PX25
PX25 Class A Push Pull Stereo Amplifier

PX25 Class A Push Pull Stereo Amplifier. Cathode feedback design.

PX25 Class A Push Pull Stereo Amplifier

Power output Class A: 2x15W

THD: 0.16% (-56dB) (1dB below rated Po)

Power bandwidth: 16Hz-40kHz +0/-3dB

Output impedance: 1.1 ohm

Hum and noise: -78dB below rated Po

Transformer coupled balanced input to output.

Soft clipping, instant recovery.

CFB design, no global NFB.

PX25 Class A Push Pull Stereo Amplifier

Transformers by Sowter UK

Overall design by: Jan Erling Veiset. Worklog (Norwegian text only)