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Technics SA-250 receiver

Quartz Synthesizer FM/AM Stereo Receiver, features:
37 watts per channel at 8 ohms, 1 kHz
7 FM and 7 AM station presets
Auto-scan tuning
Signal processing display
Soft-touch switches and slide controls for convenient operation

Specifications:
Continuous Power  Output (both channels driven, 1 kHz):  2 x 37 W (at 8 Ω)
Total Harmonic Distortion (half power at 1 kHz, 8 Ω):  0,02%
Intermodulation Distortion (rated power, 60 Hz : 7 kHz = 4:1, SMPTE, 8 Ω) :  0,5%
Power bandwidth (both channel driven, -3 dB):  10 Hz - 40 kHz 98 Ω)
Damping Factor:  30 (8 Ω)
Input Sensitivity/Impedance
Phono :  2,5 mV/47 k Ω
Tuner, Tape, CD, Aux :  150 mV/18 k Ω
Phono Max. Input Voltage (1 kHz, RMS):  150 mV
Signal-to-Noise Ratio (rated power, 8 Ω, IHF A):
Phono :  70 dB
Tuner, Tape, CD, Aux :  88 dB
Frequency Response :
Phono :  30 Hz - 15 kHz,  ± 0,8 dB (RIAA standard curve)
Tuner, Tape, CD, Aux :  5 Hz - 70 kHz
Tone Controls
Bass :  ±10 dB at 50 Hz
Treble :  ±10 dB at 20 kHz
Loudness Control (volume at -30 dB):  50 Hz ±9 dB
Output Voltage
Tape/Ext (Rec Out):  150 mV
Channel Balance (250 Hz - 6,300 Hz) ±1 dB
Channel Separation:  55 dB
Headphones Output Level/Impedance:  420 mV/330 Ω
Load Impedance
Main or Remote :  8 Ω - 16 Ω
Main and Remote :  8 Ω - 16 Ω
FM Tuner Section
Frequency Range:  87,5 - 108 MHz
Sensitivity (S/N 20 dB):  1,5 µV (300 Ω);  0,9 µV (75 Ω)
Total Harmonic Distortion
Mono :  0,15%
Stereo : 0,3%
FM Signal-to-Noise  (IHF)
Mono  :  60 dB
Stereo :  58 dB
Frequency Response:  20 Hz - 15 kHz -1 dB, -2 dB
Alternate Channel Selectivity (±400 kHz):  65 dB
Capture Ratio:  1 dB
Image Rejection (98 MHz):  50 dB
IF Rejection (98 MHz):  75 dB
Spurious Response rejection (98 MHz):  62 dB
AM Suppression :  50 dB
Stereo Separation:
At 1 kHz :  40 dB
At 10 kHz :  30 dB
Carrier leak:
At 19 kHz :  -33 dB (-35 dB, IHF)
At 38 kHz :  50 dB (50 dB, IHF)
Channel balance (250 Hz - 6,300 Hz):  ±1,5 dB
Limiting Point:  1,2 µV
Bandwith
IF Amplifier :  180 kHz
FM Demodulator :  1000 kHz
Antenna Terminals:  300 Ω (balanced), 75 Ω (unbalanced)
AM Tuner Section
Frequency Range:  522 - 1611 kHz (9 kHz step)
Sensitivity (S/N 20 dB):  20 µV,  300 µV/m
Selectivity:  55 dB
Image Rejection (999 kHz):  40 dB
IF Rejection (999 kHz):  60 dB
Power Supply:  AC, 220 - 240 V, 50/60 Hz
Power Consumption:  180 W
Dimensions (W x H x D):  430 x 97 x 243 mm (16-15/16" x 3-13/16" x 9-9/16")
Weight:  5 kg (11 lbs)

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