service manual & scheme: https://www.hifi-wiki.de/images/f/f7/Dual -CV-40-Service-Manual-1968.pdf Thanks to https://www.audioservicemanuals.com/d/dual/dual-cv/7214-dual-cv-40-service-manual-1968
connectors
Technical data
special features
manufacturer: Dual
model: CV 40
type: Stereo integrated amplifier
year of construction: 1969 - 1972
Made in Germany
color: walnut, lacquer finish
remote control: -
power consumption: 80 VA
dimensions: 420 x 108 x 280 mm (WxHxD)
weight: 6.5 kg
factory price approx.:
walnut: 558 DM
grinding White lacquer: 568 DM
walnut: 558 DM
grinding White lacquer: 568 DM
number of inputs:
Phono-magnetic 4 mV/47 K-Ohm s
Phono-crystal-350 mV/470 Ohm s
tape 350 mV/470 Ohm s
Tuner 350 mV/470 Ohm s
number of outputs:
2 speakers
Phono-magnetic 4 mV/47 K-Ohm s
Phono-crystal-350 mV/470 Ohm s
tape 350 mV/470 Ohm s
Tuner 350 mV/470 Ohm s
2 speakers
the duration of the performance (total harmonic distortion)