The amplifier in this case is based upon the CMoy, a common headphone amp design. [ErikaFluff] added a MOSFET on the output to drive his relatively low impedance (32 ohm) Grado headphones with ...
The Bass Bump Headphone Amp is no exception, since it’s made out of easy to source parts, and can be built on a proto-board. We’ve seen many variants of the classic cMoy amplifier ...