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Ampex 800 Series (863)



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Brand: Ampex

The Ampex 800 Series (model 863) was a significant innovation in magnetic tape recording technology in the mid-1960s. This high-performance tape recorder boasted several impressive features that revolutionized the audio industry, some of which are still considered standard practices in modern recording technologies.1. Professional-Grade Quality: The Ampex 800 Series (model 863) was specifically designed to cater to professional broadcasters and recording studios. It delivered high-fidelity, detailed sound reproduction with exceptional accuracy and depth.2. Large Magnetic Tape Capacity: The Ampex 800 Series (model 863) used ΒΌ inch tape, which provided an enhanced recording density compared to the conventional 1 inch tape. The machine could hold up to 3,120 feet of magnetic tape (nearly 1,500 meters), significantly increasing the available recording time and minimizing the requirement for frequent rewinding.3. Longer Recording Times: The Ampex 800 Series (model 863) boasted an extended recording time, having a frequency response of 5 Hz - 12 kHz and a noise floor of approximately -70dB. When different recording speeds were used, extended working durations became possible, as the machine could play, rewind, and pause in quick succession.4. Remote Control and Standalone Operation: In some situations, it is practical to operate machines remotely. Ampex's 800 Series (model 863) could be controlled through a console or as a standalone unit, where operators worked at the recording station without necessary movement.5. Enhanced Sound Recording Quality: The Ampex 800 Series (model 863) introduced various features that set it apart from other magnetic tape machines at the time. These features included Active Balance Lubrication, Cross-Capstan, and Vacuum Tracking, which ensured lower noise levels and more accurate sound reproduction, resulting in clearer and more detailed sound quality.In summary, Ampex's 800 Series (model 863) was an incredible innovation in audio recording technology, that revolutionized the industry by introducing higher-fidelity, longer recording times and a more extended list of features. This technology continues to inspire modern recorder designs, with many contemporary brands still analyzing designs and features of this legendary machine.



  • Track system: 4-track, 2-channel, stereo/monaural system
  • Equalization:
  • Heads:
  • Motor:
  • Reel size:
  • Tape speed: 1 7⁄8   3 3⁄4   7 1⁄2 ips
  • Wow and Flutter: 0.15%  (7 1⁄2 ips)
  • Frequency Response: 50Hz to 15kHz  (7 1⁄2 ips)
  • Signal to Noise Ratio: 46dB
  • Distortion: 2%
  • Crosstalk:
  • Analogue Inputs: 200mV (line), 1mV (mic)
  • Analogue Outputs: 1V (line), 6W (speaker)
  • Dimensions: 483 x 343 x 190 mm
  • Weight: 17.8 kg
  • Year: 1966
  • Price:

Ampex 800 Series (863)

Ampex 800 Series (863)

Ampex 800 Series (863)

Ampex 800 Series (863)



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