Targeting the high power demands of high-end and professional audio applications, the MJL4281A (npn) and MJL4302A (pnp) audio bipolar transistors offer a sustained collector-to-emitter voltage of 350 ...

This 2 channels audio mixer is based on the 2n3904 transistors which forms 2 pre-amplifiers. The first preamplifier of the audio mixer has a high gain and can be used for microphone input, and the ...