Gallery Court Hankey Place London SE1 4BB UK
Tel: +44 (0)20 7940 2200 Fax: +44 (0)20 7940 2233
640A Integrated Amplifier
Issue Date: 16
th
December 2003 (Revised May 2008)
SERVICE MANUAL – AP14676/1
SPECIFICATIONS:
Power Output:
65 watts into 8 Ohms
100 watts into 4 Ohms
Input Impedance:
47k Ohms
Loudspeaker Impedance:
4 to 8 Ohms
Line:
380mV
Phono (using optional phono stage):
1.75mV
Total Harmonic Distortion (into 8 Ohms 80% rated power):
0.005% THD (No weighting) @ 1kHz
0.003% THD (A weighted) @ 1kHz
0.01% THD (No weighting) @ 20Hz - 20kHz
Frequency Response:
5Hz to 50kHz +/- 1dB
Bass:
+/- 10dB @100Hz
Treble:
+/- 10dB @10kHz
Signal to Noise Ratio (No weighting):
92dB
Slew rate (into 8 ohms):
40V/uS
Max. Power Consumption:
615 watts
Dimensions (mm):
430 x 320 x 100
Weight:
7 kg/15.4 lbs
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