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Technic details
Specifications
Type:
AM / FM multi stereo trial amplifier
[Tuner section]
Reception frequency:
FM - 76 to 90MHz
AM - 535 to 1605kHz
Sensitivity (30% modulation):
FM - 2.5μV / 84MHz (S / N 20dB)
Practical sensitivity (30% modulation):
FM - 5μV / 84MHz (S / N 30dB)
AM - 6μV / 1MHz (S / N 10dB)
Image ratio:
FM - 30dB or more
AM - 40dB or more
FM frequency response:
20Hz to 20kHz, ±1dB
S / N ratio (1mV input):
FM - 60dB or more (100% modulation)
AM - 45dB or more (30% modulation)
FM distortion rate:
1% or less (400Hz)
[FM multi unit]
Separation:
35dB or more (400Hz)
Distortion rate:
1% or less (400Hz)
[Audio section]
Output (1% distortion):
Music Power - 28W (14W + 14W)
Continuous output - 20W (10W + 10W)
Frequency characteristics:
20Hz to 30kHz, ±1dB (Output 500mW)
Input sensitivity (1kHz input required for 9W output):
MAG, Tape HD - 2mV
XTAL - 20mV
AUX, Tape Play - 120mV
[Tone control]
50Hz:
±10dB
10kHz:
±10dB
Low filter:
50Hz, -8dB
High filter:
10kHz, -8dB
[Loudness control]
50Hz:
+12dB
10kHz:
+8dB
S / N ratio (Volume adjustment maximum, Tone control flat, 9W output):
MAG, Tape HD, XTAL - 55dB or more
AUX, Tape Play - 65dB or more
Residual noise:
0.5μW or less (At minimum volume control)
Overall:
Attached circuit FM AFC, FM stereo monitor, Loudness control, Low filter, High filter, Tape monitor, Equalizer amplifier DC ignition, Stereo horn jack, 100 - 117V power supply voltage switching, Recording socket
[Semiconductor used]
Vacuum tube (15 pieces):
6BA6 x 2, 6BE6 x 1, 6BL8 x 1, 6BM8 x 4, 6AU6 x 2, 6AQ8 x 2, 12AX7 x 3
Germanium diodes:
1N60 x 6
Silicon diodes:
FR1M x 2
Power supply:
AC 100 / 117V, 50 / 60Hz
Power consumption:
150VA
Dimensions (W x H x D):
450 x 148 x 350mm
Weight:
14kg
Year:
Around 1964
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