A photo of the Revision-A preamp is shown below. You’ll see that there are two dual opamps, but the schematic only shows one. This is the main part of the Rev-A update – the output section now has gain (which is easily selected), and a better buffered low output impedance. The remainder of the circuit [...]
The amplifier circuit output is 3 watts in tube Class A with the 6BX7 tubes used to draw. The project has a normal gain entry to the regular “Fender-like set of” full-range control, treble, bass, midrange and volume. It is also possible for extra high gain jack, the second phase of the tunnel and its own gain control. [...]
My cause of construction of this project was to develop a compact design for a stereo amplifier can be integrated by a wrong (but the sound quality conscious!) Living student at a university or a college dormitory. audio amplifier 50W circuit The amplifier feeds a pair of speakers with two LM3876 amplifier integrated circuits (50 watts [...]
