Accutronics 9ab2c1b reverb tank driver

Try the mod kits the wave a diy tubedriven spring reverb unit. The reverb drive is basically a fourwatt output amplifier consisting of a 12at7 tube and a reverb driver transformer. The tank in there is an accutronics unit labeled 8gb3c1b. Spring reverb tanks are used to create a unique reverberation effect in guitar amps and organs. 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. There are a number of different types of reverb tanks available. Whats the most simple way to connect it and be able to use it.

Accutronics is a leading battery and charger design, development and manufacturing company for highperformance portable and handheld electronic devices, specialising in the development and manufacture of smart batteries. Accutronics products and specifications ce distribution. A modern reverb tank consists of drivers, transmission springs, pickups, and a shock mounting system. We range accutronics, mod and belton reverb tanks and they are in stock ready to ship from our. Problem is, even though they are the same size, same brand, and have the same number of springs, i cant verify if theyre omh compatible because the new one doesnt have the standard accutronics numbering, it just has model no. Reverb tank accutronics, 9ab2c1b, medium decay, 3spring. I had been considering before to make a diy spring reverb, but to construct springs and transducers seemed too much hassle. This is a more full and modern sounding spring reverb.

If it is an open in the tank, try the full size 4eb2or3c1b. Yes, i do use an m350 with a rack unit and have used other outboard reverbs in the. The wave s all tube design utilizes four dual triode vacuum tubes three 12ax7s and one 12at7 and comes with a mod threespring reverb tank. Reverb tank accutronics, 9eb2c1b amplified parts reverb. The fidelity is much improved over the earlier design, it is suitable for use as a frontend to a guitar amplifier. I built a spring reverb based on the tube fender reverb tank using a weber kit and modifying it with improved parts. Current production accutronics reverb tank made by belton.

Accutronics reverb tank, 9ab2c1b newoldsounds reverb. For example, can i connect it to a speaker out from a hifiamp. A signal is driven into the drivers attached to one end of each spring, labeled input, which acts like a speaker. Reverb tank part numbers consist of a seven digit code, i. Thus, accutronics considers this model a 4spring unit. Antique electronic supply makes no claims, promises, or guarantees about the accuracy, completeness, or adequacy of the contents of this article, and expressly disclaims liability for errors or omissions on the part of the author. See explanation of accutronics reverb tank numbering system here. 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.

Disconnect your reverb cables from the amplifiers chassis. The tank is physically smaller than the one in my garnet sessionman as well as the traynor, but the reverb is much nicer deeper, lusher, chimeier. The type 4 is 17 long and uses 2 long springs, each of which consists of two springs joined in the middle. With this tank, you will feel like you are part of the reverb room. 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. Reverb tank, accutronics, 4ab3c1b, long decay, 2spring.

I took out the reverb tank and i immediately saw that one of the wires black was disconnected. The additional springs in this tank provide an improved, complex reverb tone. Reverb tank accutronics, 9ab2c1b, medium decay, 3spring long 3 spring tank, medium decay, 10. Just without the reverb up at all on 0 it makes the tone noticeably clearer and punctual. Unplug the reverb pan, and connect a speaker to the reverb jack labeled reverb. The wave s reverb function can be switched in and out popfree via the front panel toggle or with a. Accutronics 9ab2c1b reverb tank accutronics belton reverb tanks 9ab2c1b is used by fender and mesa boogie and many custom amplifier builders who want a deeper reverb. The reverb tank should be isolated from vibrating surfaces as much as possible. Accutronics 4ab3c1b 2 spring reverb tank replacement reverb tank for 4ab3c1b solid, sturdy construction long 16. Each digit in the part number represents a specification.

Spring reverb tanks explained and compared antique electronic. Power transformers output transformers chokes tube driver interstage. Its a 2003 and stock except that it has had the reverb tank upgraded to an accutronics 9ab2c1b three spring medium decay unit. I have a fender 3 spring reverb tank that i would like to set up so it can be used. I think it takes more ooomph than what youre going to get out of a simple headphone amp to drive it. See a chart which lists ac impedance and dc resistance measurements for reverb tanks here. I have a accutronics spring reverb tank that hasnt got any amp, its just the plain tank. Watford valves amp parts accutronicsbelton reverb tanks. Kalamazoo amplifiers which used a driver transformer for the reverb input side. Accutronics products and specifications antique electronic. Im not sure if it will definitely work but the first tank i would try is the 4ab3c1b. 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. Use this guide to help you determine part number based upon your specifications and application.

I am going to use a 3 spring unit with medium decay this time. So the reverb driver s z out can be equal to or greater than the tank s z in. 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. This is the standard tank used in fender amps which as also use reverb driver transformer with an. So did the late usa made accutronics tank that i put in my 67 super reverb, the original tank in my 68 princeton reverb and the imported 3 spring tank accutronics, if i recall in my mesa express. Almost all the reverb tanks that one sees for sale are the accutronics brand. Ideally suited for keyboard, sound reinforcement and pedal steel applications. Remove the 6v6 or 6l6 output tubes to disable sound coming from the main speaker.

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. It was purchased new and was my first real amp over 12 years ago or so. Genuine made in usa accutronics reverb tank medium decay long tank insulated input nos 9ab2c1b made in usa 10 ohm input. Twin reverb, super reverb and pro reverb, vintage or reissue amps. I too dont understand why the jr has so many reverb problems, many other manufactures use ss reverb drivers with great success. 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. The type 8 is the higher quality version of the type 1. What is the most simple way to hook up a plain spring. Dumble reverb pan tank tests 2ab2c1b, 9ab2c1b, 4ab3c1b, 9ab3c1b duration. In reality, we can have a power driver or a current driver, because with a power driver current is amplified as well. The type 9 reverb uses six counter wound and coupled springs that are placed in parallel. I was also pleasantly surprised that the mounting holes were cut exactly the same as the original and able to reuse the plywood base the original was on without making new holes in it. This type was the original style selected by leo fender. Check out our spring reverb calculator to help you determine what these tank designations mean.

Upgrade for the fender brownface, silverface and blackface amps. I have a solid state fender princeton 65 in which the reverb does not work. If you are looking for a shorter decay time you could use a 9ab2c1b but you would have to mount it on the bottom of the cab if you have room. Im fixing a carvin vintage 16 and the reverb tank is dead. Try the wave a diy tubedriven spring reverb unit from mod kits. I think its got to do with both the tank and the driver. Accutronics roots date back to 1984, when luis pedroso founded qualitronics, in lowell, ma. The industry standard for years, the type 4 is still manufactured. If the reverb in your amplifier no longer works and you suspect the reverb tank itself is the issue, you can test the tank with an ohmmeter by doing the following. The tank starting with 9 is what accutronics belton calls a 6spring reverb.

In 2009, accutronics reverb was sold to belton who. Its a little more intense but with a shorter decay than the two spring long decay stock tank. This is my secondgeneration solidstate guitar reverb circuit. All our customers gets free technical consultation from us, service that only few companies can offer. New listing accutronics triple spring long reverb tank 9ab2c1b fender type. More information on reverb tanks is also available at rod elliots site. Changed one for a friend, and he really liked the sound.

Accutronics 9ab2c1b reverb tankaccutronicsbelton reverb tanks9ab2c1b is used by fender and mesa boogie and many. Spring reverb tanks explained and compared amplified parts. Accutronics 9ab2c1b reverb tank accutronicsbelton reverb tanks 9ab2c1b is used by fender and mesa boogie and many custom amplifier builders who want a deeper reverb. Managed from a startup to a 160employee company, qualitronics was acquired by msl in 2000. Check the resistance of the reverb tank s output using an ohmmeter. Ce distribution makes no claims, promises, or guarantees about the accuracy, completeness, or adequacy of the contents of this article, and expressly disclaims liability for errors or omissions on the part of the author. A full sized tank 17 long with a triple spring set. I prefer spring reverb with combo amps simply for the clarity. It has a small package size that is half the size of the btdr1. Unlike some tanks, revisit reverb tanks include the soft mounting grommets to acoustically decouple the outer channel from the amplifier cabinet. Accutronics products and specifications amplified parts. Revisit reverb tanks bringing back the sound of vintage accutronics tanks. Something neat, if random, that i came across and decided to make a video of. Counter wound spring, coupled and placed in parallel, combine to create a full, rich reverb effect throughout the full range of musical sound.

It is recommended that the driver be a current or voltage source with an output rising 6 dboctave. 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. Up for auction is an accutronics 4eb3c1b reverb tank and a fender hot rod deluxedeville style solid state reverb driver circuit. Proper reverb tanks are a bit hard to get, but when i found that schneiders laden sells the small accutronics amc2bf3 reverb tank for the very reasonable price of 12. We import all our products, that makes us possible to keep good prices and short delivering times. Accutronics reverb tanks amp parts banzai music gmbh. Vacuum tube reverb circuits traditionally have used a lowimpedance reverb tank coupled to the driver tube by a small output transformer.

This unit is much more sensitive than the stock unit so i keep it mostly at 23 and maybe go to 5 for deeper reverb sounds but never get close to 710 range. The reverberation effect is created when an audio signal created by a transducer is sent through one or more springs, the movement of the springs is then converted back into an audio signal by another transducer at the other end, creating the unique sound. Made for high quality reverb sound but mindful of small spaces. Replacement for all fender 6g15 tube reverb models made 19631965 and the reissue 63 reverb. Mod reverb tanks are deemed the closest to the original reverb tanks from the 60s made today.

Evatco has sourced a wide range of reverb tanks and even a few digital reverb units which are quite good to use. We do not offer any other shipping methods through our reverb store at this. Vintage accutronics specifications list the following delay times per spring. I suppose i shouldnt be surprised that the gibbs reverb tank in my 66 vibrolux reverb sounds much more musical. Build your own spring reverb tape op magazine longform. This is the standard tank used in fender amps which as also use reverb driver transformer with an 8 ohm secondary. Reverb tank accutronics, 9ab2c1b amplified parts reverb.

Reverb tank accutronics, 4ab3c1b, long decay, 2spring. The two spring tanks i have used seem a bit thin sounding and trying to increase the value only gives more ring rather than depth. A transformerless constantcurrent reverb driver introduction. The usual choice for a tube amp is something in the 1 to 5 k ohm range, which can be driven from a dc blocked tube plate. Uraltone amplifcation offers great selection of components and replacement parts for all kinds of musical electronic equipments. Mine lost a spring or springs and after trying to fix it i decided to buy a new tank. Replacement reverb tanks, reverb tank bags and digital reverb units for your amplifier. Note that the information presented in this article is for reference purposes only. This article considers only the driver stage, and not the reverb recovery stage which is usually a simple triode gain stage, unfortunately. You would also need another 12ax7 section on the output to amplify the reverb tank output to something actually useable. Belton accutronics reverb tank, 8ab3c1b short 3 spring long decay.

Revisit reverb tank, 17 long, 3 spring, equivalent to accutronics 9ab2c1b. So did the late usa made accutronics tank that i put in my 67 super reverb, the original tank in my 68 princeton reverb and the imported 3 spring tank accutronics. 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. Amp parts accutronicsbelton reverb tanks watford valves. I like the 3 spring reverb tanks as to my ears they have more depth. Replaces fender part numbers 0028055000, 028055, 025269, 020550. Belton accutronics reverb tank, 8eb2c1b short 3 spring medium decay. Reverb tanks are available with input impedances from 8 ohms to a few k ohms. While the old one has seen better days i think its at least over 30 years old it still works perfectly. By the time the signal gets to the end of the reverb tank, it is transformed. The digilog 2 module delivers a great digital reverb sound that easily replaces a traditional spring reverberation unit. A follower whether tube, bjt or mosfet is used when you want to transform an rather high impedance tube plate into a low impedance reverb tank.

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. Maybe its a mechanicalvibration thing, i did use a bag to mount the full size tank. From the schematic floating around online, this amp has a reverb driver transformer with an 8 ohm secondary. The lushest spring reverb i have ever used is the one built in to my garnet rebel reverb head.