Accutronics 4ab3c1b reverb tank driver

I did get a small speaker driver wired to the input and a. Worth the few extra bucks, accutronics is the classic longspring reverb. Hammondaccutronics reverb tank that does not have the. Designed for applications in which the overall sound quality is important and a compact package is required. In addition very close attention has been paid to the spacing and size of the lamination of the transducers resulting in a more vintage like tone. According to its data sheet, an accutronics 4ab3c1b longdecay, 2spring reverb tank, which is a suitable replacement for a 1963 twin reverb ab763, has these specifications. The original hammond accutronics tanks from the 1960s were also wired directly to their respective rca jacks. Beltonaccutronics reverb tank, 4ab3c1b long 2 spring long decay.

I just replaced it for a vintage tank i had in storage. 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. A transformerless constantcurrent reverb driver introduction. Vetical versus horizontal reverb tank orientation discussion in amp. The type 9 reverb uses six counter wound and coupled springs that are placed in parallel. Dumble reverb pan tank tests 2ab2c1b, 9ab2c1b, 4ab3c1b, 9ab3c1b duration. And finally some short demos with the specified 3 spring 8eb2c1b tank, just to give an idea of what it sounds like. I was also pleasantly surprised that the mounting holes were cut exactly the same as the original and able to reuse the. I was originally going to show a photo of one i already have, but it looked a bit too gruesome, so i got a new one to do some further experiments with. Worth the few extra bucks, accutronics is the classic longspring reverb sound. Today, accutronics resides in a newly renovated 31,000 sq.

Watford valves amp parts accutronicsbelton reverb tanks. Our goal is to add value to our customers business and strive to provide exceptional qua. Now, to be clear, i have no reservations about the quality of korean goods in general, but whenever a company is sold and the manufacturing is moved overseas, the. Figure 2 for situations where youre getting explosive crashes of reverb due to stage vibrations, placing the amp on an iso riser such as the auralex gramma can help considerably by decoupling the amp from the.

Accutronics long decay, 4ab3c1b reverb tank new in the box. This mod tank sounds far better than the accutronics tank i replaced. If you are not sure what reverb tank you should use then here are a few tips. Add to cart add to cart add to cart add to cart add to cart add to cart customer rating. The sound of the type 4 springs is produced by four counter wound and coupled springs. Accutronics products and specifications amplified parts. Figure 4 accutronics reverb tank drive coil impedance. Is it dangerous using a tung sol 12ax7 as a reverb driver it sounds lovely to my ears. The accutronics brand reverb tanks has been around for over 50 years and has been featured in many legendary guitar amplifiers. There are a number of different types of reverb tanks available.

Accutronics belton 3 spring reverb bs3eb3c1b short tank medium decay. Reverb tank mod, 4ab3c1b, long decay, 2spring amplified. The fender reverb unit 6g15 was a vacuum tube, spring reverb equipped effects unit made by fender. Fender forums view topic reverb tank part number for. The output of the reverb tank is sent to the reverb recovery amp, it is also a 2n3906 class a low noise. Four counterwound and coupled springs deliver superior mechanical performance and the classic sound that helped make the fender twin reverb amp famous. Accutronics is a well accepted standard in reverb tanks. The company was acquired by belton and continues to make high quality reverb tanks perfect for replacement or upgrade use. The new tank is a 4ab3c1b 8 ohms input, 2,250 ohms output, long delay. The mojo princeton reverb kit that i just finished building came with a mojo 4ab3c1b reverb tank. There was an eh 12at7 wich sounds with not enough diffusion, i mean the echoes are too pronunciated. Driver circuits were all working though the tank was not.

It is a 4ab3c1c instead of the 4ab3c1b that should be in this fender, the difference is that the last c in that model number indicates a tank that was built for a vertical mounting while the 4ab3c1b is built for horizontal mounting installations. Hammond accutronics reverb tank that does not have the standard code. I was able to repair the original reverb however the new reverb tank sounded better was more vivid and present. Apr 29, 2012 if your reverb needs additional isolation, you can try double bagging it by using a reverb tank liner inside the reverb tank bag.

You would also need another 12ax7 section on the output to amplify the reverb tank output to something actually useable. The driver stage also requires a voltage amplifier to drive the reverb tank driver, meaning you would need at least a single 12ax7 section to drive the 12at7 tank driver. Breadboard spring reverb driver and accutronics reverb tank. Accutronics 4ab3c1b reverb tank accutronicsbelton reverb tanks 4ab3c1b is the reverb tank that was used in nearly all the great fender amplifiers from 1963 on. Your purchases help youth music programs get the gear they need to make music. Accutronics 4bb3c1b reverb tank accutronics belton reverb tanks 4bb3c1b is used by fender in the. It was easy to uninstall and replace and worked great. This came out of a fender princeton reverb i bought recently. Im not sure if it will definitely work but the first tank i would try is the 4ab3c1b. Belton accutronics reverb tank, 8ab3c1b short 3 spring long decay. Small in size, this threespring reverb approaches the rich textural quiality of the larger reverb units.

I searched around on the web and found accutronics to be the best price and quality tank. If you can find a reverb tank with a high impedance driver coil, the transformer may be eliminated, the driver coil will require isolation from ground. Actually, if the test tank s grounding scheme doesnt match the design parameters of the driver and recovery circuits, the reverb likely will not work at all. This article considers only the driver stage, and not the reverb recovery stage which is usually a simple triode gain stage, unfortunately. The additional springs in this tank provide an improved, complex reverb tone. This is the standard tank used in fender amps which as also use reverb driver transformer with an 8 ohm secondary. Reverb is such an important part of an amps sound and there is nothing worse than a broken or faulty reverb tank and they are simple to replace and just not that expensive. The figure 5 circuit is capable of driving an 8 ohm coil to several times the maximum rated current at. Breadboard spring reverb driver and accutronics reverb tank 600 ohm input, 2250 ohm output 4eb2c1b.

Kalamazoo amplifiers which used a driver transformer for the reverb input side. Reverb tank accutronics, 8db2c1b amplified parts reverb. The industry standard for years, the type 4 is still manufactured today using hammonds original design. Spring reverb tanks explained and compared amplified parts. A full sized tank 17 long with a triple spring set. Up for auction is an accutronics 4eb3c1b reverb tank and a fender hot rod deluxedeville style solid state reverb driver circuit. Your old tank should have a number on it, something like 4ab3c1b.

Applies to shipments to germany with our standard courier service dhl when paid via paypal, credit card or lastschrift. It was easy to find the right part the 1st time and shipping was cheap. The industry standard for years, the type 4 is still manufactured today using. Replacement for all fender 6g15 tube reverb models made 19631965 and the reissue 63 reverb. Fender amp parts fender reverb tanks amp repair parts. We are not just another ems provider, but a true collaborative partner. I suppose i shouldnt be surprised that the gibbs reverb tank in my 66 vibrolux reverb sounds much more musical. Mod reverb tanks 4ab3c1b reverb tank check price on amazon description. Unfollow accutronics reverb to stop getting updates on your ebay feed. Accutronics roots date back to 1984, when luis pedroso founded qualitronics, in lowell, ma. The type 4 reverb spring is manufactured using hammonds design. Accutronics reverb tanks amp parts banzai music gmbh. Accutronics reverb tank, 4ab3c1b newoldsounds reverb.

Reverb tank accutronics, 4ab3c1b, 8 ohm long decay, 2spring. Dumble reverb pan tank tests 2ab2c1b, 9ab2c1b, 4ab3c1b. Care and feeding of spring reverb tanks elliott sound products. Accutronics 4ab3c1b reverb tankfenderamps with tube reverb from 1963 1990 such as princeton reverb, vibrolux reverb, deluxe reverb, super reverb. Upgrade your noname reverb tank with the real deal. Accutronics products and specifications ce distribution.

Excellent quality and perfect sound,4 second decay time accurate and slight treble increase as expected from longspring tanks. My friends fender amp the reverb would not always work. With this tank, you will feel like you are part of the reverb room. A great sounding amp that breaks down goes from being a favorite piece of gear to a useless piece of crap in less time than it takes to read this. In addition, very close attention has been paid to. Actually, if the test tanks grounding scheme doesnt match the design parameters of the driver and recovery circuits, the reverb likely will not work at all. The reverb tank should be isolated from vibrating surfaces as much as possible. Feb 14, 2012 correct accutronics spring reverb tank for a drri. Upgrade for the fender brownface, silverface and blackface amps.

I am hoping it is a 4ab3c1b type, but it does not have a code of that type. It sounds more harsh and metallic than im used to and has a super long decay. I bought this item to replace a 4ab3c1b accutronics reverb tank in my fender twin amp protube series. One of my reverb springs broke and needed to replace the tank. Always pay close attention to the series of letters and numbers associated with each reverb. One reader reported having good results using a mouser 42tu0 1k to 8 ohm transformer. Beltonaccutronics reverb tank 4ab3c1b long 2 spring long. Dwell, mixer and tone and includes a 12at7 tube as a preamplifier. The mod reverb tanks are high quality upgrade units. Input impedance 8 ohms, output impedance 2250 ohms, long decay 2. Replaced mod tank that was selfoscillating due to the second spring vibrating continuously. Some of the major differences between the mods and other reverb tanks are that the transducers are wired directly to their respective rca jacks asopposed to current production tanks where transducers are connected by a detachable plug to their. Managed from a startup to a 160employee company, qualitronics was acquired by msl in 2000. I did get a small speaker driver wired to the input and a microphone preamp.

While the old one has seen better days i think its at least over 30 years old it still works perfectly. This is the sound we know of the fender twin reverb. The input transducer of a reverb tank is a coil of wire wound around an iron core. The original hammond accutronics tanks from the 1960s were also wired. Vacuum tube reverb circuits traditionally have used a lowimpedance reverb tank coupled to the driver tube by a small output transformer. Unraveling the mysteries of amp reverb uncategorized. New production accutronics 4ab3c1b spring reverb tank. Unfollow reverb tank accutronics to stop getting updates on. Accutronics was founded on the principles of providing customers with the highest level of quality, expertise and service in the industry. Delivery times for other countries and shipping methods can be found on our shipping information page. Accutronics reverb tank, 17 long, 2 spring, 4ab3c1b current production.

Current production accutronics reverb tank made by belton. This is a more full and modern sounding spring reverb. The made in usa accutronics pan in my 63 fender reverb reissue was on the fritz, and with some trepidation ordered this replacement, which are now being manufactured in korea. More information on reverb tanks is also available at rod elliots site. It was discontinued in 1966 and was replaced by a solidstate model, the fr. Evatco has sourced a wide range of reverb tanks and even a few digital reverb units which are quite good to use. Accutronics products and specifications antique electronic. Use this guide to help you determine part number based upon your specifications and application. Avoid mounting the outer channel of the reverb tank directly to the mounting surface by using grommets, rubber standoffs, reverb tank bag and liner or other products designed for mechanical isolation. Reverb tank accutronics, 4ab3c1b, long decay, 2spring. Primarily used by all fender amplifiers with tube reverb from 19631990. The accutronics tank was working, but it wasnt producing as much reverb as it should have been and had begun to feed back if i set the reverb at 7 or higher. Accutronics 4ab3c1b reverb tank accutronics belton reverb tanks 4ab3c1b is the reverb tank that was used in nearly all the great fender amplifiers from 1963 on.