Teac A-4070 G

Data[edit]

General

  • Manufacturer: Teac
  • Model: A-4070 G
  • Type: Auto-Reverse tape machine
  • Year of manufacture: 1972 - 1975
  • Made in: Japan
  • Color: silver / black, wooden cabinet
  • Remote control: yes, cable remote control RC-514
  • Power consumption: 140 W
  • Dimensions: 454 x 456 x 236 mm (WxHxD)
  • Weight: 23 kg
  • Original price approx.: 145'000 Yen (Japan, 1972), 2'175 DM

Remote control RC-514: 5'500 Yen, 80 DM WR-100 dubbing cable: 1,000 yen, 15 DM

    • Option TZ-407 dust cover: 3'500 Yen, 50 DM


Connections

  • Number of inputs:
    • Microphone: 0.25 mV / -72dB / 600 Ohm - 10 kOhm (6.35 mm jack).
    • Line In: 100 mV / 50 kOhm (Cinch)
    • Line In DIN: 30 mV / 10 kOhm
  • Number of outputs:
    • Line Out (adjustable): 300 mV / 10 kOhm (Cinch)
    • Headphones: 8 Ohm (6,35 mm jack)


Technical Data

  • Max. Coil diameter: 18 cm
  • Drive: 3 motors

1x Hysteresis-Synchron Capstan-Motor

    • 2x 6-pole winding motors
  • Heads: 4
  • Tracks: 4
  • Tape speeds:
    • 9.5 cm/s: ± 0,5 %
    • 19 cm/s: ± 0,5 %
  • Synchronization fluctuations:
    • 9.5 cm/s: < 0.09 %
    • 19 cm/s: < 0.06 %
  • Overall frequency response:
    • 9.5 cm/s: 30 - 13'000 Hz, ± 3 dB

19 cm/s: 30 - 20'000 Hz, ± 3 dB

  • Signal-to-noise ratio: > 58 dB
  • Distortion factor: < 1 % (1 kHz)
  • Equalization: according to NARTB
  • Crosstalk attenuation: 50 dB (1 kHz)
  • Cancellation attenuation: 60 dB (1 kHz)
  • Premagnetization and extinction frequency: 100 kHz
  • Rewind speed: 90 seconds for 370m band


Special Features

  • Auto-reverse tape machine
  • Multiplay
  • Echo
  • Vertical and horizontal operation possible


Comments[edit]









Pictures[edit]

  • Extract from brochure: Teac A-4070 G

Teac A-4070 G-Prospekt-1.jpg


Reports[edit]

Links[edit]