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Kenwood KR-4070 Service Manual

Kenwood KR-4070
23 pages
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KENWOOD
HI/Fl
STEREO
COMPONENTS
KR-4070
(KR-4770)
POWER
2
i:
cay
.
ae
SPEAKERE
eFHoONas
TREBLE
BALANCE
AM-FM
STEREO
RECEIVER

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Kenwood KR-4070 Specifications

Amplifier Section IconAmplifier Section
signal to noise ratio at 65 dBf67 dB
power output (mono)72 dB
power output (stereo)40 watts per channel, minimum RMS at 8 ohms, from 20 Hz to 20, 000 Hz with no more than 0.1% total harmonic distortion
frequency response20 to 15, 000 Hz +0.5 dB, -2.0 dB
capture ratio1.0 dB
both channels driven40 + 40 watts 8 ohms at 1, 000 Hz
dynamic power output190 watts 4 ohms
total harmonic distortion0.1% at rated power into 8 ohms
intermodulation distortion0.1% at rated power into 8 ohms
power bandwidth10 Hz to 40, 000 Hz
damping factor40 at 8 ohms
stereo separation43 dB at 1, 000 Hz
General IconGeneral
power consumption300 watts at full power
dimensions360 mm
weight20.7 lb (9.4 kg)
FM Tuner Section IconFM Tuner Section
usable sensitivity10.8 dBf (1.9 nV)
50 dB quieting sensitivity (mono)15 dBf (3.1 µV)
50 dB quieting sensitivity (stereo)37.2 dBf (40 µV)
AM Tuner Section IconAM Tuner Section
usable sensitivity16 µV
signal to noise ratio50 dB
selectivity34 dB

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