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Akai Roberts Electronics 770X Reel to Reel Recorder


Akai Roberts Electronics 770X Reel to Reel Recorder


Akai Roberts Electronics 770X Reel to Reel Recorder

The Akai/Roberts 770X uses a cross-field bias technique for recording, which results in extended high frequency performance.

Features include two separate amplifier units resulting in easy identification of channel controls, built in monitor speakers with on/off switch, the recording light is driven from the erase circuits, very positive lock-out to prevent accidental recording, sound on sound facility; dubbing from left to right, pause button which may be locked in either run or pause mode, and a tape tension idler with built in cleaning pad.

In addition, the end of tape can be set to either automatically stop the mechanism or turn off the entire machine.


  • Track system: 4-track, 2-channel, stereo/monaural system
  • Heads: 1 x playback/record, 1 x erase, 1 x bias
  • Motor: 2 speed hysteresis synchronous
  • Equalization: NARTB
  • Tape speeds: 1 78  3 34  7 12 ips
  • Wow and flutter: 0.15% (7 12 ips)
  • Frequency response: 40Hz to 20kHz (7 12 ips)
  • Signal to Noise Ratio: 45dB
  • Total harmonic distortion: 3%
  • Output power: 6 watts
  • Speakers: 2 x 4"
  • Valve complement: 2 x EF86, 1 x 12AD7, 2 x 12AX7, 2 x 6X4, 1 x 6AR5
  • Dimensions: 20 x 14 x 9 inches
  • Weight: 48 lbs
  • 1 Roberts Electronics 770X Reel to Reel Recorder
  • USED
  • Very Good Physical condition (signs of use around unit)
  • Freshly polished heads (as seen in photos)
  • Fully Functional
  • 32 kg
  • 24 x 21 x 14"

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