1pc Replicated German Lehmann Headphone Amplifier Finished Board

Class A Full Discrete Output

Zero - Feedback Design

Adopting a pure Class A full discrete output architecture to solve the negative feedback problem of traditional amplifiers.

The sound is more open and natural, bringing a true Hi - Fi experience.

Parameters:

Input impedance: 47 kohms

Maximum gain: 0 dB, 10 dB, 18 dB, 20 dB, switchable via DIP switches

Frequency response: 10 Hz (-0.3 dB) to 35 kHz (-1 dB)

Signal-to-noise ratio: > 95 dB at gain 0 dB

THD: < 0.001 % at 6 mW/300 ohms

Channel isolation: > 70 dB at 10 kHz

Output power: 400 mW/60 ohms; 200 mW/300 ohms

Output impedance: Preamp output 50 ohms; Headphone output 5 ohms

Audio interfaces: Neutrik headphone jacks with gold-plated contacts; 1 x preamp output; 2 x headphone outputs; Gold-plated RCA jacks (with Teflon insulation)

Power consumption: 10 W, powered by internal regulated power supply

Package:

1pc Replicated German Lehmann Headphone Amplifier Finished Board