Hiwatt Tone Stack







drew up the main layout, made brackets for, and mounted a new PTX and choke I bought for this project and some preliminary wiring. We consolidated the circuit down to just the gain stages and James tone stack, for the ideal match of simplicity and flexibility. Biacrown DR504OL This is a Biacrown variation on the two-input Hiwatt head. There is no "Hiwatt" tab on the Duncan Tone Stack calculator to see how it graphs. The product will soon be reviewed by our informers. In order to make the Alembic tone stack work better with the mix of Fane Crescendo and Celestion speakers David was using, Pete Cornish was asked to make these modifications the F2. The TriFly is not a toy or a novelty amp! It is a point to point, all-tube, one-channel amplifier with Volume control and Power switch and both 4 & 8 ohm outputs (16 ohm optional). • Designed to give incredible dynamic response with your pick attack and your guitar's controls. Round Amp – based on* a Fender® Deluxe Reverb® Chime. That was why I bought this one in particular as a second amp to my 201, which being a '69 is pretty similar in the tone department. There is a switch in the dist. Analog Outfitters Organic 15 Head and 1x12 Cab combination in spectacular two-tone dark and light wood. C'est la principal différence entre ce Sound City et les Hiwatt. Laney Amplification, Steelpark Road, Coombswood Business Park, Halesowen, West Midlands, B62 8HD, UK +44 121 508 6666. © 2019 Ceriatone Amplification Sdn Bhd ×. Hello, I am converting a Newcomb E-10B into a guitar amp. txt) or view presentation slides online. Though, there's a difference between frequency response and overall tone/feel. Here's an in-depth analysis of it. FAS_Amps Models Gallery Qu 1. The magic is getting the Mid and Bass controls dialed in together. You already have the Duncan Tone Stack Calculator widget, don't you Mal? Here's an actual measurement I took of my old Alembic F2B at 2-10-2:. Tremolo was optical, reverb was tube driven with a solid state recovery stage. This overdrive effects pedal features the specific three-knob tone circuit straight from the custom Jimmy Page model Hiwatt. In such case the difference between the term tone controls and the term tone stack is merely one of usage. These are placed right in the treble tone stack for a Hiwatt. I then disengaged the tone section with the Stack switch clicked to the right, adding sweet-hot midrange breakup and a slight bump in volume. The amp itself is a Dumble Style that Mark is universally famous for. There can be more than four levels of coefficients, the Hiwatt stack required 6 levels. The pedal as an overdrive can drive single pickups from clean to really heavy drive. Personally, I would really hesitate to mess with the Hiwatt tone stack. Being a fan of the classic Sound City and Hiwatt tone it’s hard not to have noticed all the raving reviews. On a slightly different note, has anyone ever done any mods for the hiwatt pre amp? I use might. Switchable to 4, 8 & 16 ohm output impedance, the SSP103 allows you to select from 100, 115, 230 and 240 volt sources. Designed to give incredible dynamic response with your pick attack and your guitar's controls. Best tone stack ever devised. That depends on actual pot tapers and some other things that make not all Fender tone stacks the same. You'll notice the tone stack for Marshall circuits has a "Z source" which is a lot lower than for Fender circuits. Laney Amplification, Steelpark Road, Coombswood Business Park, Halesowen, West Midlands, B62 8HD, UK +44 121 508 6666. It sounds great on much of those settings with a bit of adjustment. The preamp is pretty much a straight forward Hiwatt DR103. The EF86 is a high gain pentode designed to amplify. 4 トーンスタック(Tone Stack 元になったモデルHiwatt DR 103 Cleanは、Hiwattの最上位機種。. This tone stack is featured in Duncan Amp’s Tone Stack Calculator in slightly modified form under the name “James”. The early Hylight amps (<#1000) included a lot of different experiments, such as shared V1 cathodes and a cathode follower driving the tone stack. Other than that, it's basically a 22W Hiwatt DR103. First, I turned the TREBLE way down to 1. Plenty of mids and nothing fizzy or harsh about it—unlike most Marshalls if you EQ them wrong. Need Help? Call : (615) 297-9559 Hours : M-F 10-6/ Sat 10-5 Closed all major holidays. " How to set the Bright switch. The tone stack is unique and different than the "FMV" controls found on most amplifiers, and has significantly more tonal range. The controls are interactive for sure, but I am not sure I would say "highly interactive" as both Hiwatt and Fender tone tone stacks tend to be pretty well sorted IMHO. When set to ACTIVE, the tone stack is a semi-parametric EQ with +/- 12 dB of range for each control. The classic Ampeg EQ offers additional tonal control including Ultra-Hi and Ultra-Lo tone shaping. If you change the frequency away from 470 Hz the tone stack values will scale. The Les Paul R8. The Presence control is interesting, varying the amount of top cut going in to the power amp as well as the amount of high frequency negative feedback. I will eventually build it though, however, I'll post it here for anyone who wants to give it a go. Vintage Sound Amps, Inc. It’s got a great strong tone, and the eq is extremely flexible and powerful. The biggest being the over driven 100w output section and the BIG Partridge iron!! that gave it that throat. Tipos de controles de tons suportados: Fender moderno, Vox, Marshall, James (predecessor passivo de Baxandall), Fender série E, Steve Bench, controle de tom Hiwatt, e […] O artigo Download software Tone Stack calculator grátis apareceu primeiro em Toni Eletrônica One. In order to make the Alembic tone stack work better with the mix of Fane Crescendo and Celestion speakers David was using, Pete Cornish was asked to make these modifications the F2. 1 Watt Carbon Film resistors are used. With the power dimed for a full seven watts, the clean tone was simply awe-inspiring chiming from my EGC’s neck pickup—particularly with the Brite switch engaged. Like most traditional amp EQ circuits, the knobs are interactive, meaning turning one can alter the behavior of the other. The tone stack might be a little lacking compared to the proper amp version but that is a simple mod. 2013): Now verified as working, thanks to Deric. Voltage doublers using vacuum tubes would sometimes produce the wrong results, now fixed. As you change the treble setting, as one example, you are also modifying the mid-range and bass. Simply click on the appropriate tab to bring up a different schematic. NAD NCD Hiwatt Content. If I want to eq it, I use a baxendale tonestack. The Bassman-style tone stack serves two purposes: to compensate for the treble and bass attenuation that inevitably occurs at each stage of amplification and to allow the guitar player to adjust the frequency response using bass control R B, middle-range control R M, and treble control R T. *FREE* shipping on qualifying offers. If you like it leave it! About the only thing I have do to a couple of customers 50 and 100 watt models and due to that fact that they play them cranked is to go into the tone stack it self and roll off some of the highs and this lets the treble control get opened up more, and in regards to the Bass that is always turned down to around 2 or 3 at those volume levels I roll off some Bass. Analog Outfitters Organic 15 Head and 1x12 Cab combination in spectacular two-tone dark and light wood. Interesting if you check the schematics that the Marshall Jubilee uses a similar tone stack to the original Hiwatts. Won't be verified since I have such little time these days. = THE JAMES TONESTACK = The James Tonestack (or passive Baxandall) is a two-band tone network popular in Hi-Fi, as well as classic Ampeg and Orange amplifiers. Rare Hiwatt Mica 220pf Cap For Tone Stack) You are viewing a auction for one old tested Lemco Mica 220pf as used in vintage Hiwatt DR 50 watt or 100 watt amplifiers. Thanks my friend, Seth David. 1 x 12" element. You can really powerfully sculpt the drive sound this way. To keep the mathematics from becoming overwhelming, we'll make a few assumptions. Polytones and Ampegs have Baxandal tone stacks, which jave a fairly flat response at mid position. ripping off judas priest's gear truck(s) might be the easiest way to get one) it's prolly a good practice amp. They were fitted with four Celestion G10L35 8Ω speakers. Latest updates on everything Tone Changer Software related. Designed to give incredible dynamic response with your pick attack and your guitar’s controls. Et t'y fies pas : je connais + d'un pro même pas foutu de te régler correctement un tone stack et s'il n'y a pas du guitar tech et de l'ingé son pour s'occuper de ça, c'est la cata : y'en a un paquet qui sont bien + occupé à faire la teuf qu'à s'occuper de faire de la bonne zik, le club des 27 en est plein des comme ça Tiens, un cas. Take a look around and then connect with other musicians at our DISCUSSION FORUM. It's quite a bit more complicated than the Fender/Marshall type, and when it's working correctly, I think it's perfect. 10W Chihuahua adds a full tone stack and tube driven spring reverb. In order to make the Alembic tone stack work better with the mix of Fane Crescendo and Celestion speakers David was using, Pete Cornish was asked to make these modifications the F2. As I was thinking of that stuff, I was wondering how other people attack their initial frame of reference. Based on several years of vintage Ampeg B15 designs, the Trip Top combines the original circuits of both the Ampeg B-15NC (1964) as well as the later B-15NF (1965-67). Hiwatts are definitely voiced a lot different than Fenders, but some of the differences are not attributable to the changes in their tone stacks. Work in Progress. The KT-45’s tone stack allows control of the gain in three separate parameters- gain and amount of distortion in the treble registers, clear to swelling bass in the lower registers, and overall volume and drive. Re: Hiwatt vs Marshall I'm a Marshall guy, but I totally dig the Hi-Watt sound. Super Champ X2 - 1x10", 15 Watt Hybrid Tube/Solid State Guitar Amplifier Combo w/ EffectsYour rehearsal and recording sessions will really come alive with the unlimited tones that can be created with the Super Champ X2 combo, which takes one of Fender's most time-honored amps and ushers it into the present with updated style and modern modificat. And y es they do have an impact on your tone. Several years ago I read they had a tone stack mod. I'm with you on the expense hurt. Featured Color Tone free downloads and reviews. Built in tremolo and a very warm reverb, it had a beautiful output saturation as well. King of Gear Reviews! Guitars, Amps, Pedals & More! The Tone Attack – Active Tone Stack Pedal Kit. tone stacks, and other features further distinguish the amps from one another. The Hiwatt amp actually has a tone stack that actually works for many different guitars, and they love all pedals thrown at them. Désolé, j'ai du mal à m'exprimer aujourd'hui. Hand wired in Ottawa by a custom amp maker, eminence Legend GB128 speaker. A Hiwatt half-stack rig consisting of a 100-watt DR103 amp and a SE4123 4x12 cab would be valued between $3,000 and $3,500 in excellent condition. Multiply by output resistance to get Vout/Vin coefficients. Im selling my WEBER AB200 Valve bass amp. I have a vintage peavey mace vt series from the late 70`s, the amp that lynyrd skynyrd used and it is a hybrid with 6 6L6 power tubes and a SS pre amp. You can see the circuit attached I just assembled the whole amplifier, and for some reason I have two issues. To keep the mathematics from becoming overwhelming, we'll make a few assumptions. A Baxandall tone stack is a simple high/low shelf EQ. The hiwatt tone stack is similar to the fender but a bit easier to get flat. Toni Eletrônica One - Circuitos e informações de eletrônica. Super Champ X2 - 1x10", 15 Watt Hybrid Tube/Solid State Guitar Amplifier Combo w/ EffectsYour rehearsal and recording sessions will really come alive with the unlimited tones that can be created with the Super Champ X2 combo, which takes one of Fender's most time-honored amps and ushers it into the present with updated style and modern modificat. Probably way more copies exist than the original amps as specified by Dave Reeves. = THE JAMES TONESTACK = The James Tonestack (or passive Baxandall) is a two-band tone network popular in Hi-Fi, as well as classic Ampeg and Orange amplifiers. Both circuits are identical. It has the Classic Marshall tone and crunch in a usable 18 watt package. Like most traditional amp EQ circuits, the knobs are interactive, meaning turning one can alter the behavior of the other. Anhang)? Hat da jemend eine Berechnung/Wert für die Pegelabschwächung dazu? Muss der über einen Kathodenfolger angesteuert werden? Danke und Grüße Robert. Classic Plexi - Bassman style 3-BAND TONE STACK with mid-scoop for extended flexibility in shaping your tone. Now whether or not it was designed that way I don't know. So the Hiwatt example is the most "general" example at the moment. This overdrive effects pedal features the specific three-knob tone circuit straight from the custom Jimmy Page model Hiwatt. Hey, no worries. Overdrive inspired by the 1970 Royal Albert Hall performance. Marshall JTM30 schematic. I was little surprised how much gain this beast has and the lead channel cleans up beautifully using guitar volume. The original preamp circuit is there, but two additional tone stack values in the preamp are also included, "Round" and "Shimmer," for more modern sounds. Hide thumbs Now, the tone stack is the heart of the preamp, and the Hiwatt three-knob tone stack is. My first build was a 5E3 in '96 but my problem is that I start modifying things before I can get the thing finished so it wound up with a bright switch and a Blackface style Bass/Mid/Treb tone stack. Tone stack straight up (all controls @ 12:00) Master volume @ 12:00 Impedance set @ 16 ohms, into 16 ohm cab I'm assuming maximum clean power is at least 100 watts, but this setting is quite a bit beyond clean. You can go from clean to scream just by using the volume on your guitar. INFO: The Shaw Tone Rod SE is a 12 watt Class A Single ended amp that picks up where the beloved Champs, Gibson Skylarks, and other small amps leave off. and seeing dweezil zappa playing dual FUCHS 1/2 stacks and a brown SG. This provides natural sound shaping via familiar bass, mid, and treble controls, just like the tone stack in a full-size stage amp. Marshall JTM30 schematic. The 3 band tone stack is shared between channels giving a simple yet effective tone palette; Pull Shift function also increases the tonal flexibility of the mid-range Studio-quality digital reverb gives rich ambience to the sound via a rotary control; A Pull Focus function adds further variation according to preference. The Gibson GA-70 tone circuit included one 12AX7 tube. Tipos de controles de tons suportados: Fender moderno, Vox, Marshall, James (predecessor passivo de Baxandall), Fender série E, Steve Bench, controle de tom Hiwatt, e […] O artigo Download software Tone Stack calculator grátis apareceu primeiro em Toni Eletrônica One. In such case the difference between the term tone controls and the term tone stack is merely one of usage. For a low-impedance driver like a cathode follower, this is a highly-accurate assumption. Space Cowboy. Authentic 3 knob tone stack from the "Jimmy Page" Hiwatt. If you can, try looking for a Hiwatt PA. That tonestack is very typical HiWatt, it is one of the things which defined the HiWatt sound. These tone samples are mediocre at best; instead, Dave Hunter's CDs with his good books set a proper standard. From ~ 1000 on, there were only a few important circuit variations in the Hylight/Biacrown circuits, which were combined in distinct ways. It features the "HRM" tone stack which has the ability to dial in a bit more gain than the standard D tone stack (HIGHLY desirable). Would it live up to the hype? Would it out conquer my beloved Sound City?. They not only have as much gain as Marshall amps but also more headroom. He thought it would compliment The amp well. phatt wrote:For about 90 % of those tone stacks the input Z is almost irrelevant,,,, what follows the tone stack is SUPER Critical if you want any decent tone shaping to happen. Bridge Pickup, Pos 2. Tone stack types: Fender modern, Vox, Marshall, James (passive predecessor to Baxandall), Fender E series, Steve Bench, Hiwatt tone stack, and now the Big Muff tone stack used in FX units. All Deering banjos are made 100% in the USA and Mantova's Two Street Music is proud to carry their Goodtime and Deering Eagle II models. tone stacks, and other features further distinguish the amps from one another. Also, the signal runs through more preamp-tube gain stages here than in a plexi (not including the reverb circuit), Reeves. Please view layout/schematic for details. I have one and have experimented using it as the Hiwatt preamp. GUITAR MESSENGER is an online music magazine dedicated to music fans of all styles and genres and serves to bring you in-depth interviews, artist features, lessons, reviews, information about the music business and its current events. The Bassman-style tone stack serves two purposes: to compensate for the treble and bass attenuation that inevitably occurs at each stage of amplification and to allow the guitar player to adjust the frequency response using bass control R B, middle-range control R M, and treble control R T. Each has a unique and slightly thicker tone than anything Fender has ever produced before or since. While it's bigger brother the AC30 was designed to compete with growing stage (and crowd) volumes, the small, but powerful voice of the AC15 gave rise to many electrified groups in the 60s. They can also be used as a headphone preamp. C'est un tone stack façon Hiwatt j'imagine. Hot Blonde. I used a combination of audio grade american made Dale RN70 metal film resistors where noise was important. The progeny of Hiwatt fanatics Clayton Callaway and Mark Huss with assistance in "U. The 4 channel preamp and simplified tone stack and control set were favored by Pete over the fully evolved DR103 Hiwatts produced for the mass market. (1) Read 1 review for this product | Rate and review this product. Designed to imitate the tone of Zep’s 1970 gig at the historic Royal Albert Hall, this overdrive takes Jimmy’s gigantic Hiwatt tone and stuffs it in a tiny pedal. Other than that, it's basically a 22W Hiwatt DR103. High Z after tone stack or it dies in the ass. Won't be verified since I have such little time these days. Description:In January 1970 Led Zeppelin hit the stage of London's historic concert hall, Royal Albert Hall. Usually, plugging directly into the preamp-in will bypass the amp's tone stack. Oh, well, I’ll fix that with a little cutter! One cap and one resistor less in circuit and the eq works. Pair it with Ampeg's PF Series flip-top cabinets for the vintage styling and portability of the iconic Portaflex originals. The amp has two channels with Hi/Low. The Bassman-style tone stack serves two purposes: to compensate for the treble and bass attenuation that inevitably occurs at each stage of amplification and to allow the guitar player to adjust the frequency response using bass control R B, middle-range control R M, and treble control R T. As advertised, fuzz pedals are not all that friendly in this mode (too much bass is cut in the tone stack), but that does not mean you should not test out your fuzz box. Oh! Let's not forget that. This amp has 6 x KT88 100s in the power stage, 1 12AU7, 1 12AX7, and 1 12AT7 in the tone stack, and an EL34-B in the rectifier position. And believe me he knows what the original Hiwatt, Vox, Fender, Marshall amps sound like. Roundup: Four New 50-Watt Tube Heads Reviewed The 50-watt head remains a popular workhorse for guitarists who require the kind of power necessary to take it to a larger stage, while also valuing the headroom and full-throated voice that only large output tubes and big iron deliver. Not interested in swaps or trades. Check out the Duncan tone stack calculator if you can, they added a hiwatt design in the latest version. As I was later thinking about it, I was also thinking about how different discussions around the forums float about different sounds, tones, changing pickups, capacitors, tubes, tone stack capacitors, and other stuff. ) The next plot below assumes the tone stack is driven by a 12AX7 voltage amplifier with an output impedance of 39k and a follow-on grid resistor representing an input impedance of 1M. I meant "grids of V3" of course :-) I do not think the cathode follower V4b is necessary. Windows Setup: Click here to download the tsc_setup. Probably way more copies exist than the original amps as specified by Dave Reeves. The '72 Orange has a bandaxall tone stack, cathodyne phase inverter & EL34 tubes, the Bassman has a fender tone stack, long tail pair phase inverter & 6L6 tubes, the Hiwatt has a hiwatt tone stack, long tail pair phase inverter & EL34 tubes, and the AC30 has a Vox tone stack, long tail pair phase inverter & EL84 tubes. If I want to eq it, I use a baxendale tonestack. This overdrive effects pedal features the specific three-knob tone circuit straight from the custom Jimmy Page model Hiwatt. Strat, Fat Strat, or Telecaster Acoustic Amplification. Les transfo de sortie sont des êtres étranges, à la fois fragile mais également costauds 😉 (on m’apporte parfois des amplis dont le transfo de sortie a cramé : vieillissement, ampli trop poussé pendant des heures …), mais également des amplis combo dont le HP a sauté, le concert a continué une heure et le transfo de sortie est intact (sans charge derrière) : bref, ils en font. プリアンプセクションはシンプルなシングルチャンネルと、独立した2系統のゲイン 、マスターボリュームを装備し、より多彩なミュージックスタイルに対応したデュアルチャンネルモデルがラインアップされています。. The B-15-NF channel has the volume control section before the tone stack and in the B-15-NC channel it is after. They had the letters DW on them. I also paralleled the triodes in the 2nd stage to better drive the tone stack and to give the amp a fuller sound. Catalinbread RAH Royal Albert Hall Overdrive Pedal Authentically reproduce the tone stack of Jimmy Page's iconic Hiwatt rig. Crate Schematic Guitar Amp Combo Read/Download The Crate V5 Class A combo amplifier features a single EL84 output tube producing 5 watts through a single 10" speaker. amps introduction. The Hiwatt, as you know, has quite a lot of mid range and with the presence control that high, boosting the 6-7k range, you’ll get a pretty aggressive tone, even though it still sounds clean. Presented below are the schematic and 2 layout diagrams. In short, a new and original classic. AFAIK it's the only amp that inserted the extra gain stages after the tone stack, unlike most Marshall Mods or Marshall based amp designs, again AFAIK. We were already familiar with the basic Hiwatt topology having done the WIIO which went for the Pete Townshend Live At Leeds sound. The above amplifier has a unique tone /circuit which was specifically designed by David Reeves /Hiwatt for Pete Townshend of “ The Who ” circa 1971–72. The 3 band tone stack is shared between channels giving a simple yet effective tone palette; Pull Shift function also increases the tonal flexibility of the mid-range Studio-quality digital reverb gives rich ambience to the sound via a rotary control; A Pull Focus function adds further variation according to preference. Vintage Sound Amps, Inc. Good for ribbon cable replacement ! Your mod changed the way the tone stack reacts, there are many mod you can try there, and listen to the result. Of course this has a lot to do with Page's playing technique and Gibson Les Paul. As there have been a few comments about the fabled Dumble Amps I thought I'd share my findings with you. From ~ 1000 on, there were only a few important circuit variations in the Hylight/Biacrown circuits, which were combined in distinct ways. Description:In January 1970 Led Zeppelin hit the stage of London's historic concert hall, Royal Albert Hall. A tone stack is, as name implies, a circuit consisting of stacked filter circuits - active or passive - that control the tone of the amplifier. Could not afford a Marshall. Mac(Easy Wine)でTone Stack Calculater!アンプのトーンセッティングについて。 にほんブログ村 ←クリックしてね(^з^)-☆!! 先日、HIWATTクローンの修理をしてまして、インスタに載せていたの 記事を読む. Can anyone elaborate on this?. Built in tremolo and a very warm reverb, it had a beautiful output saturation as well. Also, the signal runs through more preamp-tube gain stages here than in a plexi (not including the reverb circuit), Reeves. Or get an Ampeg. Toni Eletrônica One - Circuitos e informações de eletrônica. Here's an in-depth analysis of it. So the Special 6 has a fixed tone stack and a more simple tone control. The EF86 is a high gain pentode designed to amplify. Designed to give incredible dynamic response with your pick attack and your guitar’s controls. 95 Sale price $164. It's Gain and Level knobs are your helping hands in navigating through the countless shades of drive offered by it's 3 way toggle. Different tone stack of course but plenty Hiwatt goodness. the assembly of the amp its like an hiwatt either. As there have been a few comments about the fabled Dumble Amps I thought I'd share my findings with you. Fender Super Champ X2 Guitar Amplifier $399. Gold Coast North Upper Coomera 09/10/2019. It will accept your guitar input via a 1/4" phono jack. The above amplifier has a unique tone /circuit which was specifically designed by David Reeves /Hiwatt for Pete Townshend of “ The Who ” circa 1971–72. 1976 Hiwatt 4x12 guitar cab vintage. Laney Amplification, Steelpark Road, Coombswood Business Park, Halesowen, West Midlands, B62 8HD, UK +44 121 508 6666. exe file and install the software to your PC [approx 1075K bytes]. One of Ken Fishers [Trainwreck amp designer] vintage Fender Deluxe mods includes reducing the tone stack to a single tone knob to allow a fuller mid-range to come through. It features the "HRM" tone stack which has the ability to dial in a bit more gain than the standard D tone stack (HIGHLY desirable). Re: Output impedance of tl072 input buffer « Reply #4 on: April 22, 2015, 06:20:31 PM » I understand that, but what the impact will be on the response curves when I add a Fender tone stack instead of the existing one, when i have only a few hundred ohms of output impendance after inbut buffer, but before tone stack. Never gigged, never left the house. They had the letters DW on them. This amp started life as a tired and somewhat poor sounding Sound City amp. I also left the amp Sims on, to good effect. It's well worth comparing those to. The tone stacks are almost always TMB/FMV, but without mid controls. pdf), Text File (. A very fine amp. Hartke HD series er en videreutvikling av den populære Hydrive-serien som benytter seg av en unik høyttalerkonstruksjon som er e. The ongoing problem is massive gain. The most famous user of these amps typically only used one of the four channels. How far can you go before a 200 watt cab sends up the white flag?. This is a custom USA made 200watt plus all tube amp built by Weber USA. A tone stack is, as name implies, a circuit consisting of stacked filter circuits - active or passive - that control the tone of the amplifier. We highly recommend subscribing to their blog. And that could mean i could stack th eoutput of another PSU giving me, say, another 30 Volts, in order to increase the power of the amp. No tone stack: a pre and a post. Each of your pairs of power tubes gets one of the signals to each tube, so that one tube pushes the sound and the other pulls it. So I suppose I should be looking into how the original Hiwatt tone stack and PI was set up, first. On this page I use the 5F6-A Bassman's tone stack but all the stack's component values can vary in other amps. Preamp tubes are JJ 12AX7's known for low noise and linearity. Checking the schematic it seem like it switches in a superbig cap for the treble knob when in crunch/ultra, basically bypassing the tonestack. Traynor YSR-1 Custom Reverb / 1971 / 50 Watts Condition - Excellent working and cosmetic condition / Full Service / All new Electrolytic Caps / Add Vox Type choke / Add bias pot / Re-Tube amp and Re-Bias Amp / Remove 180 Ohm Resistor on output Jack and Install new Switchcraft SJ12A Output Jack / Add Presence control to Amp circuit and mount control on rear panel of Amp chassis / Modify Tone. Featured Color Tone free downloads and reviews. Presented below are the schematic and 2 layout diagrams. Analog Tone Stack and Onboard Delay. The most important innovation of the Hiwatt is its excellent tone stack. There are two pairs of independent channels (four channels altogether); the second two are voiced brighter then the first two. The Pantheon is Brian Wampler's take on the classic Bluesbreaker circuit. Hiwatts are definitely voiced a lot different than Fenders, but some of the differences are not attributable to the changes in their tone stacks. The VOX Hand-Wired Series relies on the painstaking technique of turret board hand-wir. Since I own a Dual Rectifier, I’m using it as the example, but these concepts and this tone stack are applicable to many amplifiers. The LOWATT LEAD is based on a "one off" DR103 that Dave Reeves modified in his garage in New Malden. I will eventually build it though, however, I'll post it here for anyone who wants to give it a go. Featuring an accurate tone stack from his Hiwatts, this thing goes from subtle to downright rude when you crank the gain. The Hiwatt was used more for the immense volume you can get than the exact tone. Whenever I add my own tone control, it's usually a big muff style tone stack. Usually, plugging directly into the preamp-in will bypass the amp's tone stack. •V9 Big Muff Reissue and V10 Little Big Muff - Feedback values were always 470pF. His career with The Who spans 50 years, during which time the band grew to be considered one of the most influential bands of the. Try it yourself but make sure you use the Hiwatt treble cut presence/feedback control too. A lot of what people assume is 'classic Marshall power valve distortion' is actually happening in the preamp tone stack stages and also. There is no "Hiwatt" tab on the Duncan Tone Stack calculator to see how it graphs. Which is the exact opposite of say, the Fender tone stack, where you turn down the mids to turn up the other stuff. Was the tone stack on old Hiwatts Reeves' original design? Yes, but there was a lot of variation up until '71. Josh Freese played some drums. The 1974 L/B 120 Mark IV featured here comes from an evolved Sound City lineup, and is one of the notable designs to have moved on from the brand’s Hiwatt roots. First, we'll assume that the driving circuit has an output impedance of zero. If you change the tone stack and don't change the frequency the tone stack will use the standard values. Being true to simple yet beautiful vintage fuzz circuits, FU cleans up well, provide scorching amounts of gain, sharp attacks and blossoming harmonics. Modeled after a vintage HiWatt®, the Custom cab sports two 12 inch speakers that give any amp a focused low end and mid range push. And Pete Towshend uses a very uniquely eq'ed Hiwatt so that one is also hard to say is the standard Hiwatt sound. Set the drive knob at max for really broken small amp sound—or set the bass knob to minimum for AM radio-style tone. The TriFly is not a toy or a novelty amp! It is a point to point, all-tube, one-channel amplifier with Volume control and Power switch and both 4 & 8 ohm outputs (16 ohm optional). I also left the amp Sims on, to good effect. We were already familiar with the basic Hiwatt topology having done the WIIO which went for the Pete Townshend Live At Leeds sound. DFX - Custom 85 - Hand-Wired Tube Amplifier. Learn More. Vox AC15HW1 Hand Wired Guitar Combo Amp from Musos Corner There may never have been an amp boasting such a lofty and pure sound in the entire history of VOX. FENDER MUSTANG GT 200 - Hoe kan een moderne legende zoals de digitale versterkers van Mustang worden verbeterd? Eenvoudig - we doen het opnieuw, groter en beter met de 200 watt Mustang GT-200. Rare Hiwatt Mica 220pf Cap For Tone Stack) You are viewing a auction for one old tested Lemco Mica 220pf as used in vintage Hiwatt DR 50 watt or 100 watt amplifiers. While it's bigger brother the AC30 was designed to compete with growing stage (and crowd) volumes, the small, but powerful voice of the AC15 gave rise to many electrified groups in the 60s. Also, the signal runs through more preamp-tube gain stages here than in a plexi (not including the reverb circuit), yet it’s far from the high-gain creation this might. Reeves also added a 3-way Voice toggle switch to get a much wider range of tones, unlike the original which was mostly a one-tone design. Roundup: Four New 50-Watt Tube Heads Reviewed The 50-watt head remains a popular workhorse for guitarists who require the kind of power necessary to take it to a larger stage, while also valuing the headroom and full-throated voice that only large output tubes and big iron deliver. Brand New NAMM Show Hand Painted Woolly Mammoth 7 Fuzz from the geniuses at ZVex. As far as tone goes, anything goes. The amp itself is a Dumble Style that Mark is universally famous for. From here I set the output and solo boost to desired volume and make minor tweaks in the tone stack depending on the emphasized frequencies at volume selected. The clean tone stack may resemble a Hiwatt in some ways but I haven't really analyzed it that much yet. It has a full tone stack and just about all the features of the big Hiwatt amps but in a small package. (8th one built in Hiwatt Green) Z 2x10 Cab With the same tone stack and EF86 front end but with the 6V6s on the. But is not Hiwatt>Marshall in many ways? I've never had the pleasure of owning one, but I still think they're as purdy as can be: Also a word on the Dumble OD. I meant "grids of V3" of course :-) I do not think the cathode follower V4b is necessary. I put in a switch to toggle between shared-cathode Late 60's preamp and a split cathode early 70's preamp, but it wasn't worth it - the shared is so much better. Tone Changer Software Informer. Not interested in swaps or trades. Also, tone stack settings may or may not be modelled in an Amp-specific way. Like POD Farm, Amplitube 4 comes in free, regular, and Deluxe versions. There have been a bunch of cool new amps at the 2014 Winter NAMM show but one that has gotten a lot of attention is the Hiwatt Custom Little D. For its 3 controls, TT has a massive adjustment range and with guitar volume and tone controls, even more. DAM Sonic Titan with modified tone stack A few people don't like the tone control on the Sonic Titan, so this is a modification based on Skinpimp's Sonic Samurai. Set the drive knob at max for really broken small amp sound—or set the bass knob to minimum for AM radio-style tone. is the first amplifier company ever endorsed by world renowned session guitarist Brent Mason. The back end of the preamp is mostly normal, including the tone stack, but the front end has a cathode follower driving a Balance control that is controlled by footswitch (like the rare SAP amp does). Sound City is most known nowadays as the "poor man's Hiwatt", as it is a similar amp (Many early Sound City amps were actually designed by Hiwatt founder David Reeves) in many respects - it uses the same transformers, headshell, and chassis. The tone stacks are almost always TMB/FMV, but without mid controls. Think Robben tone then note it has a touch more on tap. The Trainwreck Pages. There is no other way to achieve this feel. I can't stress this enough, as I get SUCH good tones out of the TA but a full stack would allow control of the mids. Humbuckers sound really fat and juicy and are not that clean on low settings. Won't be verified since I have such little time these days. Well, when I add 1 gain stage to a gain stage that sits prior to the tone stack, which is followed by another gain, I get a 2 + 1 topology. Then went to ADA MP-1 with a Carvin Tube 100, Peavey 5150, Mesa Dual Rect, Mark III Coliseum, Single Rect and a Roadster. Sound Cities or Hiwatts with a P90 equipped guitar are just helpful. Interesting if you check the schematics that the Marshall Jubilee uses a similar tone stack to the original Hiwatts. Specializing in vintage reproduction cabinets and replacement components. It sounded awesome and plugging basses and p90 SGs into one cranked channels the who all day. This is a dual EL84 amp and puts out 20 watts.