Pioneer A-70

Data

General

• Manufacturer: Pioneer
• Model: A-70
• Type: Integrated amplifier
• Years of manufacture: 1983 - 1985
• Made in: Japan
• Color: Silver
• Remote control: no
• Power consumption: 800 W max.
• Dimensions (WxHxD): 420 x 131 x 411 mm
• Weight: 12.3 kg
• Original price approx.: 1'400 DM

Connections

• Number of inputs:
  • Phono MM: 2.5 mV / 50 kOhm, 300 mV max.
  • Phono MC: 0.15 mV / 3 Ohm or 0.25 / 40 Ohm, 18 mV max.
  • Tuner: 150 mV / 50 kOhm
  • CD / Aux 1, 2: 150 mV / 50 kOhm
  • Tape Play 1, 2: 150 mV / 50 kOhm
• Number of outputs:
  • Tape Rec 1, 2: 150 mV / 2.2 kOhm
  • Headphones: 4 - 16 Ohm
  • 2 pairs of speakers

Technical Data

• Continuous power
  • 8 Ohm: 2x 120 W (RMS, 20 - 20'000 Hz)
  • 4 Ohm:
• Dynamic power
  • 8 Ohm:
  • 4 Ohm:
• Total harmonic distortion: < 0.003 %
• Attenuation factor: 25 (8 Ohm)
• Frequency response:
  • Phono, RIAA: 20 - 20'000 Hz, ± 0,2 dB
  • High level: 5 - 100'000 Hz, + 0 dB, -3 dB
• Signal-to-noise ratio:
  • Phono MM: 78 dB

Phono MC: 70 dB

• • High level: 109 dB
• Tone control:
  • Bass: ± 10 dB at 100 Hz

Treble: ± 10 dB at 10 kHz

• Loudness: + 9 dB at 100 Hz, + 3 dB at 10 kHz
• High Filter:
• Low Filter (Subsonic): - 6 dB / octave at 15 Hz
• Mute: - 20 dB
• Line Straight: yes

Special Features

• Gold-plated phono input
• Dual mono construction with separate power supplies

Remarks

• Previous model:
• Pioneer A-7

• Successor model:
• Pioneer A-77X

• Other models in the same series:
• Amplifier:
• Pioneer A-20
• Pioneer A-30
• Pioneer A-40
• Pioneer A-60
• Pioneer A-70
• Pioneer A-80
• Pioneer A-90

• [[Tuner:
• Pioneer F-50
• Pioneer F-70
• Pioneer F-90

• [[Receiver:
• Pioneer SX-40
• Pioneer SX-50
• Pioneer SX-60
• Pioneer SX-V 80
• Pioneer SX-V 90

• [[Tape Decks
• Pioneer CT-50 R
• Pioneer CT-70 R
• Pioneer CT-90 R
• Pioneer CT-A 7
• Pioneer CT-A 9

• Record Player
• Pioneer PL-44 FS
• Pioneer PL-88 FS
• Pioneer PL-505
• Pioneer PL-707
• Pioneer PL-L 800 S

Pictures

• Image: Pioneer A-70

• Excerpt from brochure: Pioneer A-70