Yamaha CA-610 Specs

Continuous Min. RMS Power (both channels driven at rated distortion, 20Hz-20kHz):

50 + 50 Watts at 4 Ω

40 + 40 Watts at 8 Ω

Total harmonic Distortion:  0,05% or less (rated output)

Intermodulation Distortion:  0,05% or less (rated output)

Power bandwidth (IHF, both channels driven):  10 -50 ,000 Hz

Damping factor (8 Ω, 1 kHz):  better than 50

Output Terminals:  A, B or A + B (front panel switch)

Speaker Impedance:

A or B : 4 to 16 Ω

A + B : 8 to 16 Ω

Frequency response (Aux to Sp. Out):  20 Hz - 20,000 Hz  +0,2  -0,3 dB

RIAA Deviation: 20 Hz - 20,000 Hz ±0,3 dB

Signal-to-noise Ratio (IHF-A  network):

Aux to Sp. Out : 90 dB

Phono to Sp. Out : 75 dB

Residual Noise (Pre + Main Amp , 8 Ω):  0,4 mV

Input Sensitivity/Impedance:

Phono : 2,5 mV/50 k Ω

Tuner, Aux tape PB ( 1,2) : 150 mV/50 k Ω

Phono Dynamic Margin (1 kHz,0,1% THD) : 150 mV/1 k Ω

Output Level/Impedance:

Tape Rec Out (1, 2): 150 mV/1 k Ω

Tone Controls:

Bass : ± 12 dB boost/ cut at 50 Hz

Treble : ± 10 dB boost/ cut at 10 kHz

Loudness Control (volume -30 dB):  50 Hz : +9 dB, 10 kHz : +5 dB

Subsonic Filter:  -3 dB at 25 Hz (12 dB/oct)

Audio Muting:  -20 dB

Semiconductors:  4 Ics; 29 Transistors; 13 Diodes plus 3 Zener Diodes;

Power Source: 110/130/220/240 V AC switchable, 50/60 Hz

Power Consumption:  105 Watts