Technics SA-73

Data

General

• Manufacturer: National Panasonic Technics
• Model: SA-73
• Type: Integrated amplifier
• Year of manufacture: 1970 - 1972
• Made in: Japan
• Color: Silver
• Power consumption:
• Dimensions: 407 x 127 x 300 mm (WxHxD).
• Weight: 8.1 kg
• Original price approx.: 42'800 Yen (Japan, 1970), 700 DM

Connections

• Number of inputs:
  • Phono: 0.8 mV (MM)
  • Tuner: 240 mV, 100 kOhm
  • AUX: 240 mV, 100 kOhm
  • Tape 1, 2: 240 mV, 100 kOhm
• Number of outputs:
  • Tape Rec (Cinch): 240 mV
  • Pre Out: 1 V
  • Headphones
  • 2 pairs of speakers

Technical Data

• Continuous power (at distortion factor)
  • 8 Ohm: 2 x 12 W
  • 4 Ohm:
• Dynamic power
  • 8 Ohm: 40 W
  • 4 Ohm: 52 W
• Total harmonic distortion: < 0.5%
• Attenuation factor: 33 (8 Ohm, 1 kHz)
• Frequency response: 10 - 60'000Hz
• Signal-to-noise ratio:
• Phono: 74 dB
• High level: 88 dB
• Stereo channel separation:
• Tone control: slider

Bass: ± 10 dB Treble: ± 10 dB

• Loudness: + 8 dB at 50 Hz, + 5 dB at 10 kHz
• High Filter: - 6 dB at 6 kHz
• Low Filter (Subsonic): - 6 dB at 200 Hz
• Muting:

Special Features

• Tape Rec/PB: Din socket
• Slider

Remarks

• Other models in the same series:
• Preamplifier:
• Technics SU-30 A

• Power amplifier:
• Technics SU-40 A

• Integrated amplifier:
• Technics SU-50 A
• Technics SA-73

• Receivers:
• Technics SA-40
• Technics SA-50
• Technics SA-52
• Technics SA-53
• Technics SA-54
• Technics SA-60
• Technics SA-65
• Technics SA-70
• Technics SA-420
• Technics SA-4000

• Tape Machines
• Technics RS-730 U
• Technics RS-732 U
• Technics RS-735 US
• Technics RS-768 US
• Technics RS-796 US

• Turntables:
• Technics SL-30
• Technics SL-31
• Technics SL-40
• Technics SL-41
• Technics SL-1000
• Technics SL-1100

• [[Speakers:
• Technics SB-22
• Technics SB-33
• Technics SB-66
• Technics SB-77
• Technics SB-88
• Technics SB-88 G

Pictures

• Excerpt from Japan brochure: National Panasonic SA-40, SA-53, SA-54, SA-73