Panasonic SA-AK631, Service Manual

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n AMPLIFIER SECTION
RMS output power
THD 10%, both channels driven
1 kHz
(Low channel) 75 W per channel (5 Ω )
10 kHz
(High channel) 70 W per channel (5
Ω
)
80 Hz
(Subwoofer channel) 160 W (8
Ω
)
Total power output 450 W
PMPO 4000 W
FTC output power
THD 10%, both channels driven
100 Hz-3 kHz
(Low channel) 59 W per channel (5 Ω )
3 kHz-10 kHz
(High channel) 57 W per channel (5 Ω )
50 Hz-100 Hz
(Subwoofer channel) 130 W (8
Ω
)
Total FTC power 362 W
n FM/AM TUNER, TERMINALS SECTION
Preset station FM 15 stations
AM 15 stations
Frequency Modulation (FM)
Frequency range
87.9 - 107.9 MHz (200 kHz steps)
87.5 - 108.0 MHz (100 kHz steps)
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SA-AK631PL
Colour
(S)... Silver Type
Sensitivity 2.5 µV (IHF)
S/N 26 dB 2.2 µV
Antenna terminal(s) 75 Ω (unbalanced)
Amplitude Modulation (AM)
Frequency range 520 - 1710 kHz (10 kHz steps)
Sensitivity
S/N 20 dB (at 1000 kHz) 560 µV/m
Audio performance (Amplifier)
Input sensitivity/Input impedance
Aux 250 mV,14.7 k Ω
Phone jack
Terminal Stereo, 3.5 mm jack
Mic jack
Terminal 0.7mV, 680 Ω
Mono, 3.5 mm
n CASSETTE DECK SECTION
Track system 4 track, 2 channel
Heads
Record/playback Solid permalloy head
Erasure Double gap ferrite head
Motor DC servo motor
Recording system AC bias 100 kHz
Erasing system AC erase 100 kHz
Tape speed 4.8 cm/s
Overall frequency response (+3 dB, -6 dB at DECK OUT)
NORMAL 35 Hz - 14 kHz
S/N ratio 50 dB (A weighted)
CD Stereo System
Specifications
ORDER NO. MD0412590C3