HI-FI Stereo Headphone Amplifier

 

 Features:

High performance - low noise and distortion

High and low impedance drives

High output power (up to 200mW;? At 8 and 32?)

Dual connectors for headphones - can drive two pairs!
Works with any power amp or line level audio

 

Measured performance:

Frequency Response ........................................................................... flat from 10Hz to 20kHz (see charts)
Nominal ....................................................................................... 200mW into 8? and 32?, 85mW at 600?
Max. output (current or voltage limited )........................ 575mW into 8?, 700mW into 32?, 130mW at 600?
Harmonic Distortion ...................................................................... Typically 0.0005% (600? Load) 0.001%

                                                                                                        (32? Load) and 0.005% (8? Charge)
Signal to Noise (weighted ).................................... -130 DB (600?),-120dB (32?) And 111dB (8?) For the 

                                                                                                                          output   power of 100mW.
Crosstalk ...................................................................... better than-68 dB from 20 Hz to 20 kHz at 100m? 

                                                                                                                            output power (see charts)
Input Impedance .................................... ~ 47k? | | 47pF
Output ..................... ~ 5?