Accutronics 9ab2c1b reverb tank driver

Accutronics 9ab2c1b reverb tankaccutronicsbelton reverb tanks9ab2c1b is used by fender and mesa boogie and many. 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. A full sized tank 17 long with a triple spring set. So the reverb driver s z out can be equal to or greater than the tank s z in. I prefer spring reverb with combo amps simply for the clarity. The reverb tank should be isolated from vibrating surfaces as much as possible. Mine lost a spring or springs and after trying to fix it i decided to buy a new tank. For example, can i connect it to a speaker out from a hifiamp. 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. The reverb drive is basically a fourwatt output amplifier consisting of a 12at7 tube and a reverb driver transformer. Replacement reverb tanks, reverb tank bags and digital reverb units for your amplifier. 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. The digilog 2 module delivers a great digital reverb sound that easily replaces a traditional spring reverberation unit.

Upgrade for the fender brownface, silverface and blackface amps. Unplug the reverb pan, and connect a speaker to the reverb jack labeled reverb. Each digit in the part number represents a specification. Spring reverb tanks explained and compared amplified parts. 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. This is a more full and modern sounding spring reverb. 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. Yes, i do use an m350 with a rack unit and have used other outboard reverbs in the. Use this guide to help you determine part number based upon your specifications and application. 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. Belton accutronics reverb tank, 8eb2c1b short 3 spring medium decay. Watford valves amp parts accutronicsbelton reverb tanks. Something neat, if random, that i came across and decided to make a video of. Uraltone amplifcation offers great selection of components and replacement parts for all kinds of musical electronic equipments.

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. Thus, accutronics considers this model a 4spring unit. Accutronics products and specifications antique electronic. While the old one has seen better days i think its at least over 30 years old it still works perfectly. Replaces fender part numbers 0028055000, 028055, 025269, 020550. Remove the 6v6 or 6l6 output tubes to disable sound coming from the main speaker. 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. Accutronics products and specifications ce distribution.

Spring reverb tanks explained and compared antique electronic. We do not offer any other shipping methods through our reverb store at this. In reality, we can have a power driver or a current driver, because with a power driver current is amplified as well. Evatco has sourced a wide range of reverb tanks and even a few digital reverb units which are quite good to use. Reverb tank accutronics, 9ab2c1b, medium decay, 3spring. What is the most simple way to hook up a plain spring. There are a number of different types of reverb tanks available.

In 2009, accutronics reverb was sold to belton who. The fidelity is much improved over the earlier design, it is suitable for use as a frontend to a guitar amplifier. Build your own spring reverb tape op magazine longform. 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. I built a spring reverb based on the tube fender reverb tank using a weber kit and modifying it with improved parts.

Disconnect your reverb cables from the amplifiers chassis. Amp parts accutronicsbelton reverb tanks watford valves. Vacuum tube reverb circuits traditionally have used a lowimpedance reverb tank coupled to the driver tube by a small output transformer. 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. Reverb tank, accutronics, 4ab3c1b, long decay, 2spring. This is the standard tank used in fender amps which as also use reverb driver transformer with an 8 ohm secondary. Almost all the reverb tanks that one sees for sale are the accutronics brand. It was purchased new and was my first real amp over 12 years ago or so. This is my secondgeneration solidstate guitar reverb circuit. Power transformers output transformers chokes tube driver interstage. Reverb tank accutronics, 9ab2c1b amplified parts reverb. Revisit reverb tanks bringing back the sound of vintage accutronics tanks. This type was the original style selected by leo fender. 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.

Accutronics reverb tank, 9ab2c1b newoldsounds reverb. 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. The tank starting with 9 is what accutronics belton calls a 6spring reverb. Im not sure if it will definitely work but the first tank i would try is the 4ab3c1b. 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 industry standard for years, the type 4 is still manufactured. I think its got to do with both the tank and the driver. The additional springs in this tank provide an improved, complex reverb tone. 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. Its a little more intense but with a shorter decay than the two spring long decay stock tank. It has a small package size that is half the size of the btdr1.

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. 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, 3 spring, equivalent to accutronics 9ab2c1b. 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. More information on reverb tanks is also available at rod elliots site. The wave s reverb function can be switched in and out popfree via the front panel toggle or with a. Accutronics reverb tanks amp parts banzai music gmbh. Accutronics products and specifications amplified parts. Genuine made in usa accutronics reverb tank medium decay long tank insulated input nos 9ab2c1b made in usa 10 ohm input. The type 9 reverb uses six counter wound and coupled springs that are placed in parallel.

I am going to use a 3 spring unit with medium decay this time. 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. Replacement for all fender 6g15 tube reverb models made 19631965 and the reissue 63 reverb. Whats the most simple way to connect it and be able to use it. Accutronics 9ab2c1b accutronics reverb tanks amp parts. See a chart which lists ac impedance and dc resistance measurements for reverb tanks here. Maybe its a mechanicalvibration thing, i did use a bag to mount the full size tank. I have a solid state fender princeton 65 in which the reverb does not work. All our customers gets free technical consultation from us, service that only few companies can offer.

You would also need another 12ax7 section on the output to amplify the reverb tank output to something actually useable. It is recommended that the driver be a current or voltage source with an output rising 6 dboctave. I like the 3 spring reverb tanks as to my ears they have more depth. I had been considering before to make a diy spring reverb, but to construct springs and transducers seemed too much hassle. From the schematic floating around online, this amp has a reverb driver transformer with an 8 ohm secondary. Note that the information presented in this article is for reference purposes only. Managed from a startup to a 160employee company, qualitronics was acquired by msl in 2000. This article considers only the driver stage, and not the reverb recovery stage which is usually a simple triode gain stage, unfortunately. 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.

Belton accutronics reverb tank, 8ab3c1b short 3 spring long decay. I think it takes more ooomph than what youre going to get out of a simple headphone amp to drive it. I suppose i shouldnt be surprised that the gibbs reverb tank in my 66 vibrolux reverb sounds much more musical. See explanation of accutronics reverb tank numbering system here. Im fixing a carvin vintage 16 and the reverb tank is dead. 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. We range accutronics, mod and belton reverb tanks and they are in stock ready to ship from our. Accutronics 4ab3c1b 2 spring reverb tank replacement reverb tank for 4ab3c1b solid, sturdy construction long 16. Up for auction is an accutronics 4eb3c1b reverb tank and a fender hot rod deluxedeville style solid state reverb driver circuit. Current production accutronics reverb tank made by belton. 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. 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. By the time the signal gets to the end of the reverb tank, it is transformed. Check the resistance of the reverb tank s output using an ohmmeter.

Ideally suited for keyboard, sound reinforcement and pedal steel applications. Reverb tank accutronics, 9ab2c1b, medium decay, 3spring long 3 spring tank, medium decay, 10. I have a accutronics spring reverb tank that hasnt got any amp, its just the plain tank. This is the standard tank used in fender amps which as also use reverb driver transformer with an. The type 4 is 17 long and uses 2 long springs, each of which consists of two springs joined in the middle. Reverb tanks are available with input impedances from 8 ohms to a few k ohms. A signal is driven into the drivers attached to one end of each spring, labeled input, which acts like a speaker. Kalamazoo amplifiers which used a driver transformer for the reverb input side. 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. Unlike some tanks, revisit reverb tanks include the soft mounting grommets to acoustically decouple the outer channel from the amplifier cabinet. 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.

Accutronics roots date back to 1984, when luis pedroso founded qualitronics, in lowell, ma. Its a 2003 and stock except that it has had the reverb tank upgraded to an accutronics 9ab2c1b three spring medium decay unit. The type 8 is the higher quality version of the type 1. Twin reverb, super reverb and pro reverb, vintage or reissue amps. I have a fender 3 spring reverb tank that i would like to set up so it can be used. Just without the reverb up at all on 0 it makes the tone noticeably clearer and punctual. 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, 4ab3c1b, long decay, 2spring. 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. We import all our products, that makes us possible to keep good prices and short delivering times. Try the wave a diy tubedriven spring reverb unit from mod kits.

Mod reverb tanks are deemed the closest to the original reverb tanks from the 60s made today. 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. Changed one for a friend, and he really liked the sound. A transformerless constantcurrent reverb driver introduction. With this tank, you will feel like you are part of the reverb room. Spring reverb tanks are used to create a unique reverberation effect in guitar amps and organs.

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. Check out our spring reverb calculator to help you determine what these tank designations mean. New listing accutronics triple spring long reverb tank 9ab2c1b fender type. Vintage accutronics specifications list the following delay times per spring. A modern reverb tank consists of drivers, transmission springs, pickups, and a shock mounting system. Reverb tank accutronics, 9eb2c1b amplified parts reverb. Counter wound spring, coupled and placed in parallel, combine to create a full, rich reverb effect throughout the full range of musical sound.