Cambridge Audio 640P Service Manual

Gallery Court Hankey Place London SE1 4BB UK
Tel: +44 (0)20 7940 2200 Fax: +44 (0)20 7940 2233
640P/540P
Issue Date: 23rd August 2005
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SERVICE MANUAL
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SPECIFICATIONS:
540P 640P 640P
(MM) (MC)
Max Power Consumption 5W 5W 5W
Gain @ 1kHz 39dB 39dB 55dB
Input Impedance 47k 47k 100R
Nominal Output 300mV 300mV 300mV
Sensitivity for Nominal Output 3.35mV 3.35mV 0.5mV
THD 20Hz-20kHz 0.009% 0.005% 0.002%
RIAA Curve Accuracy +/-0.65dB <+/-0.3dB <+/-0.3dB
25Hz-20kHz 20hz-50kHz 20Hz-50kHz
(Subsonic filter off)
Signal to Noise Ratio >85db >86dB >72dB
Using Audio Precision RIAA-1
with grounded inputs.
Crosstalk @ 20kHz >76dB >83dB >69dB
Dimensions (HxWxD)
mm
46x215x133 46x215x133 46x215x133
inches
1.8x8.5x5.2 1.8x8.5x5.2 1.8x8.5x5.2
Weight
kg
0.8 0.9 0.9
lbs
1.8 2 2
AP18705/1
1

Cambridge Audio 640P Specifications

General

Phono Stage	Yes
Input Impedance	47kΩ (MM), 100Ω (MC)
Dimensions	46 x 215 x 133 mm
Weight	0.9 kg
Frequency Response	20Hz - 20kHz
Gain	39 dB (MM), 55 dB (MC)