Kenwood KR-4070 Service Manual page 23

SPECIFICATIONS
AMPLIFIER SECTION
Power Output
KR-4070
total harmonic distortion.
40+ 40 watts 8 ohms at 1.000 Hz
47+47 watts 4 ohms at 1,000 Hz
Dynamic Power Output: 190 watts 4 ohms
Total Harmonic 0.1% at rated power into 8 ohms
Both Channels Drive:
Distortion: 0.05% at 1 watt into 8 ohms
Intermodulation 0.1% at rated power into 8 ohms
Distortion: 0.05% at 1 watt into 8 ohms
(60Hz: 7kHz = 4: 1)
Power Bandwidth:
Damping Factor: 40 at 8 ohms
Speaker Impedance: Accept 4 ohms to 16 ohms
Input Sensitivity/Impedance/Signal to Noise Ratio
10 Hz to 40,000 Hz
(IHF A Curve):
Phono: 2.5 mV/50k ohms/73 dB
AUX: 150 mV/45k ohms/95 dB
Tape: 150 mV/45k ohms/95 dB
Maximum Input Level 190 mV (rms), T.H.D. 0.1%
for Phono: at 1,000 Hz
Output Level/Impedance:
Tape REC (Pin): 150 mV/100 ohms
(DIN): 30 mV/80k ohms
Frequency Response:
Phono:
RIAA standard curve +0.3 dB,
—0.3 dB
AUX and Tape:
15 Hz to 70,000
Hz +0dB,
—1.0 dB
Tone Control:
Bass: +8 dB at 100 Hz
Treble: +8 dB at 10,000 Hz
Loudness Control +9 dB at 100 Hz
(—30 dB):
+5 dB at 10,000 Hz
FM TUNER SECTION (IHF)
Usable Sensitivity: 10.8 dBf (1.9 pV)
50 dB Quieting Sensitivity:
(Mono): 15 dBfiS.7 pV)
(Stereo): 37.2 dBf {40 uV)
Signal to Noise Ratio
at 65 dBf:
(Mono): - 72 dB
(Stereo): 67 dB
T.H. Distortion at 65 dBf:
(Mono):
(Stereo):
Frequency Response:
Capture Ratio:
Alternate Channel
Selectivity:
Spurious Response
Ratio:
Image Response Ratio:
IF Response Ratio
(Balanced):
AM Suppression Ratio:
Stereo Separation:
Sub Carrier Product
Ratio:
Antenna Impedance:
FM Frequency Range:
AM TUNER SECTION ©
Usable Sensitivity:
Signal to Noise Ratio:
Image Rejection:
Selectivity:
GENERAL
Power Consumption:
A.C. Outlet:
Dimensions:
Weight (Net):
0.15%
0.25%
20 to 15.000Hz +0.5 dB, —2dB
1.0 dB
60 dB
75 dB
45 dB
95 dB
53 dB
43 dB at 1,000 Hz
35 dB at 50 to 10,000 Hz
40 dB
300 ohms balanced and 75 ohms
unbalanced
88 MHz to 108 MHz
16 wV
50 dB
50 dB
34 dB
300 watts at full power
Switched 1, Unswitched 1
(except W, L, T type)
W 18-7/16" (468 mm)
H 5-7/8" (149 mm)
D 15-7/16" (392 mm)
20.7 ibs (9.4 kg)
without notice.
23
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