Up for auction is an accutronics 4eb3c1b reverb tank and a fender hot rod deluxedeville style solid state reverb driver circuit. Reverb pans comparison video mod vs accutronics usa vs. This is a type 2 reverb, 800 ohm input, 2575 ohm output, medium decay, input insulated output grounded, non locking, and. Beltonaccutronics reverb tank, 8ab3c1b short 3 spring long decay. Heres a comparison of three reverb pans using a fender 63 ri reverb unit.
Accutronics 4bb3c1b reverb tank accutronicsbelton reverb tanks 4bb3c1b is used by fender in the original blues deville 4 x 10 combo fender part number 0020489000. Compatible amps include peavey bravo 112, encore 65, classic 30, backstage 30, valveking 100, windsor studio replaces peavey part number 71011114. This is the excellent digital reverb based on the accutronics btdr2h reverb brick. The lushest spring reverb i have ever used is the one built in to my garnet rebel reverb head. Disconnect your reverb cables from the amplifiers chassis. Hammondaccutronics reverb tank that does not have the. New listing accutronics 4ab3c1c usa reverb pan aus fender reverb.
The length of time required for the arrival of the very first reflections is called the delay time usually on the order of tens of milliseconds, e. The industry standard for years, the type 4 is still manufactured today using hammonds original design. Theres obvioulsy something wrong with the old tank because sometimes it hisses loudly. Dwell, mixer and tone and includes a 12at7 tube as a preamplifier. 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. Accutronics 8fb3c1c rg25r manufactured for soundtech.
Reverb tank accutronics, 4ab3c1b, long decay, 2spring. Kalamazoo amplifiers which used a driver transformer for the reverb input side. Although a 6v6 driver tube is used in the 90s reissue, the power. It was easy to find the right part the 1st time and shipping was cheap. Today, accutronics resides in a newly renovated 31,000 sq. Ryan shoots out the stock accutronics 47604 against the mod 4ab3c1c. From the schematic floating around online, this amp has a reverb driver transformer with an 8 ohm secondary. Thanks for looking in and happy bidding original 1965 gibbs spring reverb tank pan unit. Accutronics products and specifications ce distribution. V2 reverb driver, a 6v6 as opposed to a 6k6 in the original, v3 reverb recovery, a 12ax7, and v4 a buffer stage, using another 12ax7. Spring reverb tanks are used to create a unique reverberation effect in guitar amps and organs. The sound of the type 4 springs is produced by four counter wound and coupled springs.
Accutronics 4ab3c1b 2 spring reverb tank replacement reverb tank for 4ab3c1b solid, sturdy construction long 16. They are a mod 4ab3c1b, a new 2003, madeinusa accutronics 4ab3c1c that came with the unit and an old 1973 and wasted accutronis 4ab3c1b that came with the amp. One of my reverb springs broke and needed to replace the tank. Input impedance 8 ohms, output impedance 2250 ohms. Accutronics 4ab3c1b reverb tankfenderamps with tube reverb from 19631990 such as princeton reverb, vibrolux reverb, deluxe reverb, super reverb, pro reverb, twin reverb, quad reverb, super six reverb, vibrosonic reverb. Most spring reverbs are made from accutronics or are copies of this old standby. Accutronics reverb tank, 17 long, 2 spring, 4ab3c1b current production. The fender reverb unit 6g15 was a vacuum tube, spring reverbequipped effects unit made by fender. In reality, we can have a power driver or a current driver, because with a power driver current is amplified as well. So does anyone know or have tried swapping 8eb2c1b for 8gb2c1b i think the 8e goes in the blues jr. The type 9 reverb uses six counter wound and coupled springs that are placed in parallel. I suppose i shouldnt be surprised that the gibbs reverb tank in my 66 vibrolux reverb sounds much more musical. I insulated the tank from the wall wall of the toolbox with a sheet of foam packing material.
It was easy to uninstall and replace and worked great. The number and density of reflections increases rapidly with time. Genuine made in usa accutronics reverb tank medium decay long tank insulated input nos9ab2c1b made in usa 10 ohm input. It was discontinued in 1966 and was replaced by a solidstate model, the fr. Fender blues deluxe deville, marshall jcm 2000 dsl o. I took out the reverb tank and i immediately saw that one of the wires black was disconnected.
Imagine you are inside a large hall and you clap your hands once. Check the resistance of the reverb tanks output using an ohmmeter. 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. I purchased this accutronics 4ab3c1c reverb tank from amplifiedparts for a surfy bear fet reverb kit build. Accutronics reverb tanks amp parts banzai music gmbh. Tsl 60 tsl 122 laney 50w 100w, vc30, lionheart series input dc resistance. Beltonaccutronics reverb tank, 9ab3c1b long 3 spring long decay. We do not offer any other shipping methods through our reverb store at this.
Accutronics 4bb3c1b reverb tank accutronicsbelton reverb tanks 4bb3c1b is used by fender in the. Unfollow accutronics reverb to stop getting updates on your ebay feed. 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. A transformerless constantcurrent reverb driver introduction. Made in south koreanew production accutronics 4ab3c1b spring rever. Worth the few extra bucks, accutronics is the classic longspring reverb sound. Designed for applications in which the overall sound quality is important and a compact package is required.
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. The item youve selected wasnt added to your basket. Spring reverb tanks explained and compared amplified parts. Vintage bogen t155 mic input transformer for moving. This is a more full and modern sounding spring reverb. I mounted it vertically in a 19 toolbox using four quarter inch machine bolts. The tank is accutronics 8gb2c1b the second digit only goes to e on all the code charts. So does anyone know or have tried swapping 8eb2c1b for 8gb2c1b i. Input impedance 8 ohms, output impedance 2250 ohms, long decay 2. I have a solid state fender princeton 65 in which the reverb does not work. Watford valves amp parts accutronicsbelton reverb tanks. The original tank went out on my zverb and i had to custom order a replacement directly from accutronics after trying a nos american made accutronics and a mod tank.
Im not sure if it will definitely work but the first tank i would try is the 4ab3c1b. The fender reverb unit 6g15 was a vacuum tube, spring reverbequipped effects unit made. 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. Dont remember the specs, but the accutronics were a custom spec with a longer decay. Four counterwound and coupled springs deliver superior mechanical performance and the classic sound that helped make the fender twin reverb amp famous. It is recommended that the driver be a current or voltage source with an output rising 6 dboctave with increasing frequency. Accutronics 8fb3c1c rg25r 3spring reverb tank compact 3spring reverb tank, used in musical instrument and small pa amplifiers.
This is the sound we know of the fender twin reverb. I found a tank in germany but not worth the price plus shipping and conversion to us dollars. Vintage fender style reverb driver custom by heyboer ebay. Accutronics products and specifications amplified parts. The type 4 reverb spring is manufactured using hammonds design. 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. Twin reverb, super reverb and pro reverb, vintage or reissue amps. 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. The reverb tank should be isolated from vibrating surfaces as much as possible.
Revisit reverb tank, 17 long, 2 spring, equivalent to accutronics 4ab3c1c. Save fender accutronics reverb to get email alerts and updates on your ebay feed. It is no longer strong in terms of current nor big in terms of voltage. 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. New production accutronics 4ab3c1b spring reverb tank. Carvin vintage 16 accutronics 8gb2c1b fender stratocaster. Belton accutronics reverb tank, 4ab3c1c long 2 spring long decay. Octachime multitone wooden tank with handle and beater 3.
Current production accutronics reverb tank made by belton. Accutronics reverb tank fix question discussion in amps and cabs bg started by whoatherechunk, mar 8, 2014. Accutronics 4db2c1d reverb tank accutronicsbelton reverb tanks 4db2c1d is commonly found in marshall amplifiers with vertical. I searched around on the web and found accutronics to be the best price and quality tank. Mar 18, 20 heres a comparison of three reverb pans using a fender 63 ri reverb unit. 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. Spring reverb tanks explained and compared antique. The ruby tubes 3eb2c1b is a 9 3 spring drop in replacement reverb tank for the accutronics 8eb2c1b. I think its got to do with both the tank and the driver.
I need to mount my accutronics reverb tank in my 1x10 combo amp. By the time the signal gets to the end of the reverb tank, it is transformed. With some careful prodding with a flat jewelers screw driver, i was able to lodge. Reverb tank accutronics, 4ab3c1c amplified parts reverb. So the reverb driver s z out can be equal to or greater than the tank s z in. It is recommended that the driver be a current or voltage source with an output rising 6 dboctave with increasing. So the reverb drivers z out can be equal to or greater than the tanks z in on the recovery side, its a bit different. Check the resistance of the reverb tank s output using an ohmmeter.
Accutronics long decay, 4ab3c1b reverb tank new in the. Belton accutro nics reverb tank, 4ab3c1c long 2 spring long decay. Spring reverb 4 for sale garden structures online store. Managed from a startup to a 160employee company, qualitronics was acquired by msl in 2000. Im confused by all the different opinions on how to mount it.
This is the standard tank used in fender amps which as also use reverb driver transformer with an 8 ohm secondary. The mod reverb tanks are high quality upgrade units. Vacuum tube reverb circuits traditionally have used a lowimpedance reverb tank coupled to the driver tube by a small output transformer. Primarily used by all fender amplifiers with tube reverb from 19631990.
Updated september 20 to a smaller box, same excellent sound. Click here for more general information about the kits. The vertically mounted tank should be a 4ab3c1c last letter in accutronics model. Accutronics products and specifications antique electronic. 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.
It was purchased new and was my first real amp over 12 years ago or so. Hey guys, i know this is a bass forum but maybe somebody here can help. The fender reverb unit 6g15 was a tube, spring reverbequipped effects. Always pay close attention to the series of letters and numbers associated with each reverb. Small in size, this threespring reverb approaches the rich textural quiality of the larger reverb units. The original hammond accutronics tanks from the 1960s were also wired directly to their respective rca jacks. Dec 08, 2017 ryan shoots out the stock accutronics 47604 against the mod 4ab3c1c. Replaced mod tank that was selfoscillating due to the second spring vibrating continuously. Accutronics reverb tank, 4ab3c1c newoldsounds reverb. From the schematic floating around online, this amp has a reverb driver. Take it out of the very nice padded bag it arrived in and just use the cardboard piece for padding. Excellent quality and perfect sound,4 second decay time accurate and slight treble increase as expected from longspring tanks. Vintage accutronics specifications list the following delay times per spring. Accutronics roots date back to 1984, when luis pedroso founded qualitronics, in lowell, ma.
853 321 1107 815 235 829 637 615 1457 791 1135 378 1295 1090 4 95 1119 1165 888 138 1198 886 1111 428 89 200 255 661 184 790 113 153 638 13 215 1365