New production accutronics 9ab3c1b spring reverb tank long 16. Spring reverb tanks explained and compared amplified parts. Accutronics 8fb3c1c rg25r manufactured for soundtech. Accutronics 8fb3c1c rg25r 3spring reverb tank compact 3spring reverb tank, used in musical instrument and small pa amplifiers.
Following a driver circuit build, the reverb tank proved to have a really nice sound. From the schematic floating around online, this amp has a reverb driver transformer with an 8 ohm secondary. The same reverb tank will sound different depending on the amp. This is the standard tank used in fender amps which as also use reverb driver transformer with an 8 ohm secondary. Accutronics reverb tank, 9ab3c1b newoldsounds reverb. Reverb tank 4ab3c1b fender marshall ampeg allparts uk. Im not sure if it will definitely work but the first tank i would try is the 4ab3c1b. Revisit reverb tanks bringing back the sound of vintage accutronics tanks. The fender reverb circuit has a bright sounding reverb effect. In comparing the sound characteristics of reverb tanks it is important to remember that the amplifier plays a major role in how the reverberation effect will sound.
Unfollow accutronics reverb to stop getting updates on your ebay feed. Reverb tank accutronics, 4ab3c1b, long decay, 2spring. Reverb tank 4ab3c1b fender marshall ampeg accutronics 4ab3c1b allparts uk. If youre wondering what 4ab3c1b and 9ab3c1b mean, visit our tech corner article on accutronics reverb tank specifications. Vintage accutronics specifications list the following delay times per spring. Hi i have a pmod4ab3c1b tank that has to much tail to the reverb and not a lot of. Current production accutronics reverb tank made by belton. Excellent quality and perfect sound,4 second decay time accurate and slight treble increase as expected from longspring tanks. The original hammond accutronics tanks from the 1960s were also wired directly to their respective rca jacks. From the schematic floating around online, this amp has a reverb driver. Primarily used by all fender amplifiers with tube reverb from 19631990.
Dumble reverb pan tank tests 2ab2c1b, 9ab2c1b, 4ab3c1b, 9ab3c1b. Figure 4 accutronics reverb tank drive coil impedance. Here is a comparison between the four different reverb tank brands discussed previously. It is recommended that the driver be a current or voltage source with an output. Revisit reverb tank, 17 long, 3 spring, equivalent to accutronics 9ab3c1b. The figure 5 circuit is capable of driving an 8 ohm coil to several times the maximum rated current at. Input impedance 8 ohms, output impedance 2250 ohms, long decay 2. Watford valves amp parts accutronicsbelton reverb tanks.
Reverb tank accutronics, 9ab3c1b amplified parts reverb. The only improvement id suggest is a clear plastic case. Replaced mod tank that was selfoscillating due to the second spring vibrating continuously. The industry standard for years, the type 4 is still manufactured today using hammonds original design. This is a more full and mordern sounding spring reverb. Four counterwound and coupled springs deliver superior mechanical performance and the classic sound that helped make the fender twin reverb amp famous. Accutronics products and specifications amplified parts. Kalamazoo amplifiers which used a driver transformer for the reverb input side.
Unfollow fender accutronics reverb to stop getting updates on your ebay feed. The type 9 reverb uses six counter wound and coupled springs that are placed in parallel. Care and feeding of spring reverb tanks elliott sound products. Input impedance 10 ohms, output impedance 2575 ohms, long decay 2.
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