with a popular choice being headphone amplifiers that use a tube as a gain stage followed by an op-amp as a buffer with a low impedance output. This forms the basis of [Ratti3]’s amplifier ...
Initially, the project began as a headphone amplifier but morphed into a design specifically for guitar and bass, with preamp and power amp stages and adjustable input impedance – 500kΩ for ...
Some are you are probably wondering how the M15c is only $129 USD when it offers such a good DAC, 4 SiP modules, 3.5mm and ...