Toshiba SA-420

Data

General

• Manufacturer: Toshiba
• Model: SA-420
• Type: Receiver
• Years of manufacture: 1976 - 1978
• Made in: Japan
• Color: Silver, wooden cabinet
• Remote control: no
• Power consumption: 140 W
• Dimensions: 500 x 163 x 387 mm (WxHxD)
• Weight: 11,5 kg
• Original price approx.: 320 US-$, 948 DM

Connections

• Number of inputs:
  • Phono MM: 2.5 mV, 47 kOhm, 150 mV max.
  • Aux: 150 mV, 50 kOhm
  • Tape Play 1, 2: 150 mV, 50 kOhm

Tape Play DIN: 150 mV, 50 kOhm

• • Antenna FM / MW: 75, 300 Ohm / 300 Ohm
• Number of outputs:
  • Tape Rec 1, 2: 150 mV

Tape Rec DIN: 30 mV

• • Headphones (6,3mm jack)
  • 2 pairs of loudspeakers

Technical Data

Amplifier

• Continuous power (at distortion):
  • 8 Ohm: 2x 25 W (RMS, 20 - 20'000 Hz, 0.4 %).
  • 4 Ohm: 2x 30 W
• Dynamic power:
  • 8 Ohm:
  • 4 Ohm: 2x 38.5 W
• Total harmonic distortion: < 0.4 %
• Attenuation factor: 30 (at 8 Ohm)
• Frequency response:
  • Phono: 30 - 15'000 Hz, ± 1 dB
  • High level: 20 - 30'000 Hz, ± 1 dB
• Signal-to-noise ratio:
  • Phono: 70 dB
  • High level: 90 dB
• Tone control:
  • Bass: ± 8 dB at 100 Hz

Treble: ± 8 dB at 10 kHz

• Loudness: + 8.5 dB at 100 Hz, + 3.5 dB at 10 kHz
• Low Filter: - 3 dB at 50 Hz, 6 dB / octave
• High Filter: - 3 dB at 8 kHz, 6 dB / octave
• Mute:

Tuner

• Reception: FM, MW
• Frequencies:
  • FM: 88 - 108 MHz
  • MW: 525 - 1605 KHz
• Input sensitivity:
  • FM: 1.9µV
  • MW: 200µV
• Frequency response: 20 - 15'000 Hz, + 0,2 dB, - 2 dB
• Distortion factor FM (1 kHz):
  • Mono: < 0.2 %
  • Stereo: < 0.4 %
• Signal-to-noise ratio:
  • FM mono: 70 dB

FM stereo: 65 dB

• • MW: 50 dB
• Channel separation: 40 dB (1 kHz)
• selectivity: 60 dB
• Co-wave selection: 1.0 dB
• Spurious wave selection: 80 dB
• Mirror frequency attenuation:
  • FM: 60 dB

MW: 50 dB IF attenuation:

• • FM: 90 dB
  • MW: 65 dB
• AM suppression: 50 dB

Special Features

• Tape Dubbing
• VHF muting

Remarks

• Other models in the same series:
• Amplifier:
• Toshiba SB 220
• Toshiba SB 420
• Toshiba SB 620
• Toshiba SB 820

• [[Tuner:
• Toshiba ST-220
• Toshiba ST-420
• Toshiba ST-910

• [[Receiver:
• Toshiba SA-220 C
• Toshiba SA-320
• Toshiba SA-420
• Toshiba SA-520
• Toshiba SA-620

• Reel Tape
• Toshiba PT-862 D

• Tape Decks:
• Toshiba PC-3060
• Toshiba PC-4030
• Toshiba PC-5060
• Toshiba PC-6030

• Record Player
• Toshiba SR-210
• Toshiba SR-230
• Toshiba SR-255
• Toshiba SR-305 S
• Toshiba SR-355

• [[Speaker:
• Toshiba SS-210
• Toshiba SS-215 W
• Toshiba SS-315 W
• Toshiba SS-320
• Toshiba SS-470
• Toshiba SS-510 D
• Toshiba SS-520

• [[Headphones:
• Toshiba HR-710
• Toshiba HR-810
• Toshiba HR-910

Pictures

• Image: Toshiba SA-420

• Excerpt from brochure: Toshiba SA-420

Reports

• Review from "Good Old Hifi": [[1]]