Technics SA-5250

Data

General

• Manufacturer: Technics
• Model: SA-5250
• Year of manufacture: 1975 - 1977
• Manufactured in: Matsushita Electric Osaka Japan
• Color: Silver or black
• Remote control: -
• Power consumption: 270 W max.
• Dimensions: 420 x 140 x 355 mm (WxHxD)
• Weight: 8,3 kg
• Original price approx.: 1'050 DM

Connections

• Number of inputs: 4
  • Antenna 300 Ohm symmetrical
  • Antenna 75 Ohm asymmetrical
  • Phono 2mV/50kOhm
  • AUX 180mV/40kOhm
  • Tape 1 180mV/40kOhm
  • Tape 2 180mV/40kOhm

• Number of outputs:
  • Tape 1 180mV

Tape 2 180mV

• • Tape 1 DIN REC/PLAY 30mV

Technical Data

Amplifier

• Continuous power (at distortion factor 0,5%)

8 Ohm: 2x26W 4 Ohm: 2x23W

• dynamic power
  • 8 Ohm: 2x34W
  • 4 Ohm: 2x27W
• Total harmonic distortion: 0,5%
• Attenuation factor: 10 (4ohm)/ 20 (8ohm)
• Frequency response: 6Hz - 60kHz +1dB/-3dB
• Signal-to-noise ratio:
  • at rated power
    • Phono 60dB

AUX 80dB

• • at 50mW
    • Phono 50dB
    • AUX 55dB
• Stereo channel separation: 90dB
• Tone control:
  • Bass: 50Hz, +10dB -10dB

Treble: 10kHz +10dB -10dB

• Loudness:
  • (Volume -30dB) 50Hz, +10dB
• High Filter: -
• Low Filter (Subsonic): -
• Mute: -
• Direct/Line-Straight: -

Tuner

• Reception: Mono , Stereo (FM)
• Frequencies:
  • FM: 88 - 108MHz
  • MW: 520 - 1610kHz
• Frequency response:
  • FM: 20Hz-13kHz +/-1dB
• Input sensitivity:
  • 1.8uV, 30dB impedance, 300Ohm.

1.5uV, 20dB signal-to-noise ratio, 300Ohm

• • 1.3uV, 30dB impurity spacing, 75Ohm
  • 1.0uV, 20dB impurity spacing, 75Ohm
  • MW 30uV, 250uV/m
• Distortion factor:
  • Mono 0.3%
  • stereo 0.4%
• Signal-to-noise ratio:
  • Mono 54dB

stereo 52dB

• Channel separation:
  • 1kHz 40dB
  • 10kHz 30dB
• selectivity: -45dB
• common wave selection: 1.6dB
• Spurious wave selection: 70dB
• Image frequency attenuation: 50dB
• IF attenuation at 98MHz: 65dB
• AM suppression: 50dB

Special Features

Remarks

• Other models of the same series: TECHNICS SA-5250K (dark brown)

• Other models of the same series:
• Technics SA-5150
• Technics SA-5250
• Technics SA-5350
• Technics SA-5550

Pictures

• Extract from brochure: Technics SA-5250

bild:SA5250-001Fa.jpg

bild:SA5250-002Fa.jpg File:SA5250-001FA.JPG

Reports

Original transcript from OPERATING INSTRUCTIONS

TECHNICS Matsushita Electric Osaka Japan

FM/AM STEREO RECEIVER

OPERATING INSTRUCTIONS

TECHNICS SA-5250 (silver) TECHNICS SA-5250K (dark brown)

TECHNICAL DATA according to IHF

AMPLIFIER PART

RMS continuous sound power at 1 kHz both channels driven together 34W+34W (4Ohm) 27W+ 27W (8Ohm) RMS continuous sound power at 20 Hz-20 kHz both channels driven together 26W+26W (4Ohm) 23W+ 23W (8Ohm) Power bandwidth both channels driven together at 8Ohm 5 Hz-35 kHz, -3 dB Harmonic distortion 0.5% Intermodulation distortion 0.7% Damping Factor 20 (8Ohm), 10 (4Ohm) Input Sensitivity & Impedance PHONO 2mV/50kOhm AUX 180mV/40kOhm TAPE 1, 2 PLAYBACK 180mV/40kOhm TAPE 1 REC/PLAY i Playback 180mV/40kOhm Interference distance (IHF, A) PHONO 70 dB AUX 90 dB Frequency Response PHONO RIAA standard curve +-0.5 dB AUX 6 Hz-60 kHz, +1 dB-3 dB Tone control BASS 50 Hz, +10 dB -10 dB TREBLE 10 kHz, +10 dB -10 dB Audible Volume Correction (volume -30 dB) 50 Hz +10 dB Output voltages TAPE 1, 2 REC OUT 180mV TAPE 1 REC/PLAY recording 30mV

FM TUNER PART

Reception range 88-108 MHz Sensitivity 1.9 uV Harmonic Distortion MONO 0.3% STEREO 0.4% Spurious voltage spacing 70 dB Frequency Response 20 Hz-13 kHz, ±1 c113 Selectivity 70 dB Common mode selection 1.6 dB Mirror selection at 98 MHz 50 dB IF immunity at 98 MHz 70 dB Unselectivity immunity at 98 MHz 65 dB AM rejection 50 dB Stereo crosstalk attenuation 1 kHz 40 dB 10 kHz 30 dB Carrier residual -45 dB

AM TUNER PART

Reception range 520-1610 kHz Sensitivity 30 uV, 250 uV/m Selectivity 25 dB Mirror selection 45 dB IF strength 40 dB

GENERAL DATA

Power consumption 270W Mains voltage switchable 110V/120V/220V/240V Dimensions (W x H x D) 420 x 140 x 355 mm Weight 8.3 kg

TECHNICAL DATA according to DIN 45 500

AMPLIFIER PART

RMS continuous sound power at 1 kHz both channels together 2 x 34W (4Ohm) RMS continuous sound power at 20 Hz-20 kHz 2 x 27W (8Ohm) both channels together 2 x 26W (4Ohm) Power bandwidth 2 x 23W (8Ohm) both channels together driven at 4Ohm 7 Hz -35 kHz, -3 dB Harmonic Distortion nominal power at 1 kHz 4Ohm 0.5% Intermodulation distortion Nominal power at 250 Hz - 8000 Hz=4:1, 4Ohm 0.7% Frequency response 6 Hz-60 kHz, +1 dB -3 dB External voltage spacing at nominal power PHONO 60 dB AUX 80 dB at 50mW output power PHONO 50 dB AUX 55 dB Attenuation factor 10 (4Ohm), 20 (8Ohm) Final impedance MAIN or REMOTE 4-16Ohm MAIN+REMOTE 8-16Ohm Input sensitivity & impedance PHONO 2mV/50kOhm AUX 180mV/40kOhm TAPE 1, 2 PLAYBACK 180mV/40kOhm TAPE 1 REC/PLAY playback 180mV/40kOhm Tone Control Bass 50 Hz, +10 dB -10 dB Treble 10 kHz, +10 dB -10 dB Audible Volume Correction (volume -30 dB) 50 Hz, +10 dB Output voltages TAPE 1, 2 REC OUT 180mV TAPE 1 REC/PLAY recording 30mV

FM TUNER PART

Reception range 88-108 MHz Antenna Connector 300Ohm (balanced) 75Ohm (unbalanced) Sensitivity 1.8uV, 30 dB signal-to-noise ratio, 300Ohm 1.5uV, 20 dB impurity spacing, 300Ohm 1.3uV, 30 dB impedance spacing, 75Ohm 1.0uV, 20 dB impedance spacing, 75Ohm Harmonic Distortion MONO 0.3% STEREO 0.4% Signal to noise ratio MONO 54 dB STEREO 52 dB Frequency Response 20 Hz-13 kHz, ±1 dB Selectivity 70 dB Common mode selection 1.6 dB Mirror selection at 98 MHz 50 dB IF immunity at 98 MHz 70 dB Unselectivity immunity at 98 MHz 65 dB AM rejection 50 dB Stereo crosstalk attenuation 1 kHz 40 dB 10 kHz 30 dB Carrier residual -45 dB Limiting, insertion point 1.0uV Bandwidth IF amplifier 220 kHz VHF demodulator 820 kHz

AM TUNER PART

Reception range 520-1610 kHz Sensitivity 30uV, 250uV/m Selectivity 25 dB Mirror selection 45 dB IF stability 40 dB

GENERAL DATA

Power consumption 270W Mains voltage switchable 110V/120V/220V/240V Dimensions (W x H x D) 420 x 140 x 355 mm Weight 8.3 kg