If you dont use channel 1, dont worry too much about this tube, any 12ax7 or 7025 will work though noisy or microphonic tubes in this position can be a problem even if youre not using that channel. Custom reverb vibrolux reverb problem telecaster guitar forum. The 12at7 in it was a groove tube, and orange paint that gt uses for their logo turned almost tan in color from burnout. Looking at the back of the amp its the 3rd tube from the right. It is suggested that you read this manual thoroughly to understand all the features and functions of your new amplifier. It was used in the deluxe reverb, twin reverb, super reverb, concert, bandmaster, showman, pro, vibrolux, vibroverb, tremolux and no reverb deluxe. V1 if you dont use channel 1, dont worry too much about this tube, any 12ax7 or 7025 will work though noisy or microphonic tubes in this position can be a problem even if youre not using that channel. There are two tubes for the reverb, the driver v3 12at7, and the recovery v4 12ax7. Designed for drop in replacement of original units. Reverb tank was a pull from a vintage lowrey organ. The speakers in the custom vibrolux reverb are eminence replicas of the 50s jensen p10 10 speakers. Sporting 35 watts of power from two 6l6 tubes in a 2x10 configuration, these amps broke up fairly early compared to the bigger 6l6 fenders of.
Tube quality is a major factor in the tone your amp delivers. Reverb noise on fender amp no noise at all, but when i switch the reverb channel on i get this odd noiselike someone brushing along the side of a wall in a cavern. I recommend using ft caps for my filter cap boards. Princeton reverb, vibrolux reverb, deluxe reverb, super reverb, pro reverb, twin reverb. It had a printed circuit board, the reverb wasnt great, and it didnt have the tone i was looking for.
I can lift and tap the reverb tank and hear the springs rumble loudly with reverb, but no reverb. Now, the reverb tank has to be moved out of the amp and placed about two feet away for the reverb not to buzz. Hooked another reverb tank to the amp no go hooked the vrs reverb tank to another amp works like a charm. It was used in the deluxe reverb, twin reverb, super reverb, concert, bandmaster, showman, pro, vibrolux, vibroverb, tremolux and noreverb deluxe.
I did get a small speaker driver wired to the input and a. Replacement reverb tank, vintage sf fender vibrolux reverb the. Replacement reverb tank, vintage sf fender vibrolux reverb. The fender vibrolux reverb is one of fenders most classic circuits, and the reissue is a mere shadow of the original. Then you can turn down the signal in the wet channel going into the reverb driver. Used in fender blackface and silverface amps that had reverb. You should be able to get a new 12ax7 tube and swap it out with the faulty reverb tube.
Just gently tap on all the tubes and see if one makes lots of noise. These were made for maybe 78 months as the aa964, 2. In 2009, accutronics reverb was sold to belton who. Reverb tanks accutronics antique electronic supply. Fender discontinued the brownface vibrolux amp in early 64, almost immediately replacing it with the vibrolux reverb. Fender power transformer, vibrolux, vibrolux reverb, tremolux. There are a few minor marks here and there, overall quite presentable. Reverb tank accutronics, 4ab3c1b, long decay, 2spring. Beefing up a vintage fender vibrolux reverb this month ive decided to forgo answering a questionnot that i dont have plenty, and thank you for that, loyal readers. Custom reverb vibrolux reverb problem discussion in amp. The vibrolux is truly, one of the holy grails of ampdom. Silverface to blackface conversion mod schematic heaven. Fender custom vibrolux reverb reissue modifications fromel.
My first real amp was a mid60s vibrolux, which was an awesome thing. Used in most 40w tremolux, vibroverb, vibrolux, vibrolux reverb amplifier models from the 1960s. Compatible amps include tube reverbs from 19631990 such as the princeton reverb, vibrolux reverb, deluxe reverb, super reverb, pro reverb, twin reverb, quad reverb, super six reverb, vibrosonic reverb. Its an easy and completely reversible that yields what i consider to be a more versatile amp. The tank has a medium decay time for players who do not need to have a heavy surf style reverb. With a dual6l6 output stage, the amps offer about the same power, but the vibrolux has two 10s instead of the supers quad set. Instead well explore a mod to a blackface fender vibrolux reverb and the thinking behind it. Physically, parts were designed to look similar to original factory units where possible. The reverb recovery tube is another matter, thats a 12ax7 and one triode is a gain stage for the verb channel. The moderately powered vibrolux reverb received a fresh new face in 1968a silverandturquoise front panel with aluminum grille cloth trim, with tone, reverb and. The silverface bandmaster reverb is a typical ab763 amp and shares basic circuit design with the super reverb, deluxe reverb, twin reverb, vibrolux reverb, pro reverb and twin reverb. I acquired a fender custom vibrolux reverb i wasnt happy with photo 1. Bassman 5, twin reverb, showman reverb, quad reverb, vibrosonic reverb. The only goofy thing i had was the inputoutput cables on my amp were backwards from what was on the tank, but that is.
Used in fenderamps with tube reverb from 19631990 such as the princeton reverb, vibrolux reverb, deluxe reverb, super reverb, pro reverb, twin reverb. Also compatible with some speakerdriven, type f, vintage ampeg amps. I have a new model custom vibrolux reverb by fender in the studio, and it had what i. Didnt use this in an amp like it seems like its meant for. Guitar interactive the free online guitar magazine 115,249 views. For vintage blackface and silverface twin reverb, pro reverb, super reverb, vibrolux reverb, etc. The 763 in the model name comes from the circuit change date of 71963. I now it wont have reverb, but i have read that the headcab blackfaces have less gain than the combo amps with reverb, due to some circuit differences. Input impedance 8 ohms, output impedance 2250 ohms, long decay 2. Fender amp preamp tube layout and recommendations kca nos. The 4ab2c1b 2spring reverb tank is used a wide variety of amplifiers.
If you used the cc resistors in the fromel mod, those can be a source of noise also. It is suggested that you read this manual thoroughly to understand all. The mods change all of the crucial components in the signal path and restore the glory of the vibrolux reverb. May 27, 2015 first, a vibrolux reverb is a bit like a mini super reverb. Is the blackface version called a custom vibrolux reverb or simply vibrolux reverb.
Hi, i have a late 60s silverface vibrolux where the 3rd tube from the left for the reverb driver burns so hot you can smell it. Turned out one of the connecting wires had broken so i soldered a new piece of wire in. Bf deluxe reverb and bf vibrolux reverb use the same as all the other ab763 amps. This is also a great drop in replacement upgrade power transformer for the 65 deluxe reverb reissue and 68 fender custom deluxe reverb amps since it is usa made, uses more high quality steel that runs much cooler and has a bottom end. Pick of the day 1966 fender vibrolux reverb and 1977 marshall jmp 2104 duration. The reverb tank is a nonoriginal accutronics unit and an ampeg style footswitch holder was added inside the cabinet. Twin reverb, deluxe reverb, princeton reverb, super reverb, vibroverb, vibrolux reverb, pro reverb. Fender vibrolux reverb 35watt vintage blackface guitar combo.
Which reverb tank and transformer for vibrolux and dr. The only goofy thing i had was the inputoutput cables on my amp were backwards from what was on the tank, but that is probably the amp and not the tank. While most blackface and silverface fenders use the same value capacitors in the tone stacka 250 pf, a 0. Ok, i had a fromel kit installed in my fender custom vibrolux reverb reissuehad a bad reverb tank so the tech. I have a 2 year old fender custom vibrolux reverb reissue amp and the. The guitarist with an eye and ear for late60s fender silverface style will love the 68 custom vibrolux reverb, which honors the classic look and great sound of that eras amps. Deluxe reverb, vibrolux reverb, super reverb, twin reverb, showman reverb, pro reverb and dual showman reverb. As you know fender builds a tough product whether its a guitar or an amp and i have a fondness for every product ive owned with the exception of ss amps. Reverb stopped working on my 1970s fender twin so i removed the reverb tank and opened it up.
Fender vibrolux reverbamp 1966 black imperial guitar. Custom reverb vibrolux reverb problem telecaster guitar. Fender amp parts fender reverb tanks amp repair parts. Nov 11, 2015 i acquired a fender custom vibrolux reverb i wasnt happy with photo 1. Do yourself and your amp a favor and ditch the cc, and use some flameproof. I was amazed how flimsy the original wire was, it was like a human hair almost. The mod involves removing the reverb from the normal channel, lowering the gain of the preamp, increasing the caps on the reverb to make it fuller, replacing the tone stack capacitors with higher quality caps, removing the protection diodes on the. Highimpedance typefor solid state driver and measures approx. The mod involves removing the reverb from the normal channel, lowering the gain of the preamp, increasing the caps on the reverb to make it fuller, replacing the tone stack capacitors with higher quality caps, removing the protection diodes on the 6l6s, adding negative feedback, and changing the ground.
Find fender vibrolux and fender vibroverb from a vast selection of guitar amplifiers. Accutronics reverb tank, 17 long, 2 spring, 4ab3c1b current production. Princeton reverb, pro reverb, reverb driver, super reverb, tremolux, tweed bassman, tweed deluxe, twin reverb, twin super, vibrolux. Fender deluxe reverb, fender vibrolux reverb, fender pro reverb, fender. Check out our spring reverb calculator to help you determine what these tank designations mean. Custom vibrolux service manual studio sound electronics. Fender custom vibrolux reverb reissue modifications. I recently purchased a 95 fender custom vibrolux reverb and it was not the cleanest of amps from abuse. Vacuum tube reverb circuits traditionally have used a lowimpedance reverb tank coupled to the driver tube by a small output transformer. This listing is for one premium tube set for your blackface or silverface fender super reverb, pro reverb, vibrolux reverb, or bandmaster reverb amplifier. Fender power transformer, vibrolux, vibrolux reverb. Reverb tank mod, 4ab3c1b, long decay, 2spring amplified. I believe that the kit was originally sourced from mojotone, with a few added extras from marsh including the vibrolux reverb face plate and the build guide mojo dont sell a vibrolux kit at the time of writing.
Custom vibrolux reverb mark moyer mod jdp amplifiers. Ab763 was fenders internal model designation for the 1963 blackface circuit. With a fender blackface style reverb amp you can pull the reverb driver tube out altogether. Ok, so when i got this amp it came with a replacement tank. Tank is in excellent clean shape as you can see in the pictures. Its strength lies in the sweetness and early breakup caused by the smaller transformers than the super reverb, vibroverb and pro reverb. Also compatible with some speakerdriven, type f, vintage ampeg amps such as b12x. Custom vibrolux reverb mark moyer mods right now, i have the janphilips 5751 in for both preamps, a sovtek 5751 in for the reverb driver, a tung sol ax7 in for reverb recovery and tremelo oscillator, and a jj ecc81 in for the phase inverter.
Used in fenderamps with tube reverb from 19631990 such as the princeton reverb, vibrolux reverb, deluxe reverb, super reverb, pro reverb, twin. The transformers are made by heyboer, but you can also choose mercury magnetics as an upgrade if you want to spend the extra coin. Twin reverb, deluxe reverb, princeton reverb, super reverb, vibroverb, vibrolux reverb, pro. The 35w blackface vibrolux reverb vr is the smallest member of the blackfacesilverface 6l6 fender amp family. Input impedance 800 ohms, output impedance 2575 ohms, long decay 2. Jesse, that is an interesting concept and one i havent considered. Up for auction is an accutronics 4eb3c1b reverb tank and a fender hot rod deluxedeville style solid state reverb driver circuit. Reverb tank accutronics, 4ab3c1b amplified parts reverb. Great paper layer wound power transformer like vintage era original. Vibrolux reverb, deluxe reverb, super reverb, pro reverb, twin reverb, quad reverb, super six reverb, vibrosonic reverb.
The blackface fender vibrolux reverb is one of the more desirable amps of the era. Fender amp preamp tube layout and recommendations kca. A transformerless constantcurrent reverb driver introduction. The 2 button footswitch provided will switch both the vibrato and the reverb on or off. The main differences between these amps are transformer size, filter caps size and outputspeaker impedance. Rich lows, sparkling highs and lots of headroom, it will make you say wow from the first note. It features 40 watts of power driving two ten inch speakers. The fender custom vibrolux reverb is a modern day reissue of the famous blackface amp. If you want wire holes or mounting holes, you will have to drill those. But that is not the only way to drive a reverb tank using a vacuum tube, and in fact it is not the best way. What some people fail to realize is that with the pot at 10, it is acting like a normal ab763a deluxe reverb, a vibrolux reverb, a super reverb, a twin reverb.
This is also a great drop in replacement upgrade power transformer for the 65 deluxe reverb reissue and 68 fender custom deluxe reverb amps since it is usa made, uses more high quality steel that runs. I may be wrong, but i think the reverb tube on the super reverb is the. Vintage gibbs special products1122 reverb tank pulled from a 72 fender vibrolux. Like all silverface amps, the vibrolux reverb was modified in the cbs periods to. Compatible amps include tube reverbs from 19631990 such as the princeton reverb, vibrolux reverb, deluxe reverb, super reverb, pro. I did get a small speaker driver wired to the input and a microphone preamp. So i ripped out the printed circuit board and installed pointtopoint eyelet board photo 2. The amp was missing the reverb tank when i got the amp so i dont know what it sounded like before, but it sounded great when i got the tank in the amp.
Revisit reverb tank, 17 long, 2 spring, equivalent to accutronics 4ab3c1b. Accutronics accutronics reverb tanks were originally manufactured as a division of hammond organ, and became popular in the guitar industry through their inclusion in the famous fender twin reverb. Click on the namelayout link for each board to see the fender layout diagram. I looked in back and the tubes inside plates were bright orange like a branding iron. This vibrolux is in very good plus to excellent condition, fully functional and cosmetically in nice shape. The power tube compliment is 12ax7s and one 12at7 in the preamp section, and a pair of 6l6s in the power section. Revisit reverb tank, 17 long, 3 spring, replacement for accutronics 9eb3c1b and belton bl3eb3c1b. Primarily used by all fender amplifiers with tube reverb from 19631990. Unlike the common nylon bobbin wound reverb drivers available on the market today, this is a reasonably priced, vintage constructed. The amp not passing signal may or may not be related to the reverb problem, which could be caused by a defective input cable to the tank, a defective input transducer in the tank, a bad reverb driver tube or transformer, or somebody swapping tubes around into the wrong positions, as well as a possible minor component on the circuit board. The difference the mark moyer mod makes on a fender custom vibrolux reverb is astonishing. Fender vibrolux reverb 35watt vintage blackface guitar.
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