Dual CS 650 RC Service Manual

Dual
Edition February 1980
Service Manual
CS 650 RC
Technical Data
Measured values
Current
Line voltage
Drive
Power input
Power consumption
Time from start to rated speed
Platter
Platter speed
Pitch control
Speed control (monitoring)
Sensitivity of the illuminated strobe
(for 0.1 % speed deviation)
Total wow and flutter
(according to DIN 45 507)
Rumble
(according to DIN 45500)
Tonearm
Effective length of tonearm
Offset angle
Tangential tracking error
Tonearm bearing friction
(related to stylus tip)
Stylus pressure
Cartridges
Weight
typical values, Rumble and wow and flutter values obtained with test record.
AC 50 to 60 Hz.
110 to 125 V, 220 to 240 V
electronically-controlled direct-drive system, Dual EDS 500
Motor at playing operation, approximately 2 watts < 50 mW
220 V.50 Hz: at start 35 mA at play
15 mA
110 V 60 Hz: at start 65 mA at play approximately 25 mA
2— 2.5 s at 331/3 rpm
non-magnetic, 1.4 kg, 304 mm diameter
33 1/3 and 45 rpm, electronically adjustable
Separate for both speeds, each adjustable by means of variable resistor,
range of regulation: 10%
with illuminated stroboscope for platter speeds 33 1/3 and 45 rpm, 50 or 60 Hz.
6 division markings per minute at 50 Hz,
7.2 division markings per minute at 60 Hz.
(German Industry Standard) ± 0.05 %
WRMS
± 0.03 %
Unweighted:
50 dB
Weighted: 75 dB
Torsionally rigid tubular aluminum tonearm in low-friction four-point gimbal suspension.
221 mm
240 4'
0.160 /cm
vertical 0.07 mN (0.007 g)
horizontal 0.15 mN (0.015 g)
from 0 to 30 mN (0 to 3 g) infinitely variable with 1 mN- (1/10 g) calibrations
from 0 to 15 mN (0 to 1.5 g) operable from 2.5 mN (0.25 g) stylus pressure upwards.
with 1/2 inch screw-type attachment. These can be fitted with the special accessories
no. 262 186 which can be obteined from trade dealers.
ca. 7,4 kg