Hammond AO-44 Reverb Amp to Hi-Fi Amp Conversion

Published:2013/3/10 21:43:00 Author:Ecco | Keyword: Hammond , Reverb Amp , Hi-Fi Amp Conversion | From:SeekIC

The Hammond AO-44 reverb amplifier was designed to be used an a secondary reverb channel amp in Hammond A-100 and M-series organs. These units can easily be converted into a mono tube amplifier that is suitable for use as one channel in a stereo amp, aka a Mono Block amp. The audio power output is around 8 watts. This project makes a good introduction to working with tubes. The AO-44 chassis can also be turned into a higher power guitar amplifier using a pair of 6BQ5 pentodes and a 6U10 compactron, see the Spartacus Amp project for details. The Spartacus project is more involved, it requires replacing most of the AO-44 circuitry. The AO-44 amps are currently available for reasonable prices on eBay.



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