Harman Kardon A230
Stereophonic Amplifier / Preamplifier
The Harman Kardon A230 uses two EL84 output tubes per channel operated conservatively in class AB, self-bias, pentode connected, and a special phase inverter designed for low distortion and high gain with minimum phase shift.
Power output: 15 watts per channel into 8Ω (stereo)
Frequency response: 15Hz to 70kHz
Total harmonic distortion: 1%
Input sensitivity: 3mV (MM), 300mV (line)
Signal to noise ratio: 60dB (MM), 70dB (line)
Speaker load impedance: 8Ω to 16Ω
Valve complement: 1 x GZ34, 4 x EL84, 2 x ECC82, 3 x ECC83
Dimensions: 13-13/16 x 4-5/8 x 11-1/2 inches
Finish: copper escutcheon, silver grey cage
instruction/owners manual - Mr Travaux
schematic - Mr Travaux
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