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SONY STR-6550

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Technic details

Specifications

Type:
FM stereo / FM-AM receiver
[FM tuner section]
Antenna terminal:
300Ω (Balanced)
Sensitivity:
1.8μv (IHF)
1.4μV (S / N: 30dB)
Image interference ratio:
55dB

IF interference ratio:
90dB
Spurious interference ratio:
78dB
AM suppression ratio:
55dB
Capture ratio:
1.5dB
Selectivity:
70dB (IHF)
S / N ratio:
68dB
Frequency response:
30Hz to 15kHz, +0 -2dB
Distortion factor (400Hz, 100% modulation):
Mono - 0.3%
Stereo - 0.8%
FM stereo separation:
35dB or more (1kHz)
[AM tuner section]
Antenna terminal:
Bar antenna built-in
With external antenna terminal
Sensitivity Bar antenna:
48dB / m
External antenna:
30μV
Image interference ratio:
55dB (1000kHz)
S / N ratio:
50dB
Distortion factor:
0.8%
[Amplifier section]
Dynamic power (IHF):
54W (8Ω)
61W (4Ω)
Effective output (1kHz, single channel):
25 / 25W (8Ω)
25 / 25W (4Ω)
Headphone output:
8Ω to 10kΩ
Speaker terminal:
4Ω to 16Ω
Harmonic distortion rate:
0.8% or less (At rated output)
0.1% or less (At 1W output)
Damping factor:
25 (8Ω)
Semiconductor used:
Transistors x 44
FET's x 1
Diodes x 27
Supplied:
Feeder antenna
Fuse 2A x 2

Power supply:
AC 100V, 50 / 60Hz
Power consumption:
63W
Dimensions (W x H x D):
434 x 144 x 345mm
Weight:
8.5kg
Year:
1971

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