Technics RS-745 U

Data

General

• Manufacturer: Technics
• Model: RS-745 U
• Type: Quadraphonic reel-to-reel tape recorder
• Year of manufacture: 1973 - 1975
• Made in: Japan
• Color: Wood / Metal Silver / Black
• Remote control:
• Power consumption: 99 watts
• Dimensions: 435 x 546 x 228 mm (WxHxD)
• Weight: 26 kg
• Original price approx.: 280'000 Yen (Japan, 1974), corresponds to about 4'200 DM

Connections

• Number of inputs:
  • Line In: 70 mV
  • Line In DIN:
  • Microphone: 0.22 mV, 600 Ohm - 20 kOhm
• Number of outputs:
  • Line Out: 500 mV, 50 kOhm
  • Line Out DIN:
  • Headphone: 30 mV

Specifications

• 4-track, 2/4-channel, stereo/quadraphonic tape deck.
• Max. Reel diameter: 18 cm
• Drive: 1 motors (1x capstan, 2x reels)
• Heads: 3x HPF (4 track/2 channel recording, 4 track/4 channel playback, 4 track/2 channel erase)
• Tracks: 4
• Tape speeds: 9.5 cm/s, 19 cm/s
• Synchronisation fluctuations:
  • 0.18 % (at 9.5 cm/s).
  • 0.10 % (at 19 cm/s)
• Pitch fluctuations:
• Overall frequency response:
  • 19 cm/s: 40 Hz - 22 kHz (± 3 dB).
• Signal-to-noise ratio: 54 dB
• Signal-to-noise ratio: 38 dB
• Distortion factor: 0.5%
• Equalization: NAB standard
• Crosstalk attenuation:
• Cancellation attenuation:
• Premagnetization and extinction frequency: 160 kHz

Special Features

• 4 VU meters
• Tape selector switch
• Playback selector switch
• Automatic limit stop
• Pre-/post-tape control

Comments

• Other models in the same series:
  • Technics RS-724 U
  • Technics RS-728 U
  • Technics RS-744 U
  • Technics RS-745 U

Pictures

• Image: Technics RS-745 U

• Technics advertisement for quadraphonic reel-to-reel tape recorders RS-724 U, RS-728 U, RS-744 U, RS-745 U.

Links

• External link to "Audio Heritage" website: RS-745 U