Quadruplex Videotape - Product Models

Product Models

  • Ampex:
    • VR-1000 (1956) (VRX-1000) FM Low band, 3 racks of tubes, monochrome. No timebase correction.
    • VR-1000 "Allen" update kit (made for Ampex by Allen Electronics) to color solid state, FM high band updateable.
    • VR-1001 VR-1000 with the transport vertical.
    • VR-1100E (1966) Ampex Solid State "of VR-1000," defective circuitry designed by Sony.
    • VR-1195 (1966) VR1100 with many Ampex updates.
    • VR-1200 (1966) Solid state, color high band. Analog TBC. Optional Editec.
    • VR-2000 (1967) Solid state, color high band. Optional Editec, Dropout compensation. Mark 10 head. Analog TBC.
    • VR-3000 (1967) Portable VTR with a Mark 11 ball-bearing head. All-format VTR (NTSC/PAL/SECAM, 15 ips/7.5 ips, High-Band/Low-Band). Digital TBC was possible, but required extensive mechanical modifications to the basic unit. Battery or line powered.
    • VR-3000B Portable VTR Improved version of VR-3000. Digital TBC was available as a plug-in accessory, and required no modifications to the basic unit. Improved batteries.
    • AVR-1 (1973) Very fast VTR, vacuum columns, vacuum capstan, air transport. NTSC/PAL switchable. Analog TBC.
    • ACR-25 (1974) Cart VTR, with two AVR-1 type decks.
    • ACR-25B (1975) Cart VTR, ACR-25 with AVR-2 digital TBC.
    • AVR-2 (1974) Digital TBC, compact Quad used in studios and remote trucks. Uses 110-volt single-phase AC (other quad models required 220-volt or 3-phase AC service).
    • AVR-3 (1975) Last Ampex Quad, digital TBC. Vacuum capstan. Super high band.
  • VR-2000, VR-1200 and some updated VR-1000, VR-1100E, VR-1195 used modules to correct the playback time base errors of the videotape. The list of modules are:
    • Amtec: Horizontal TBC. All that was needed for B&W playback.
    • Colortec: Color TBC in line after the Amtec for color playback.
    • Velcomp: Color velocity TBC correction for better color playback. Optional on some models.
    • Procamp: Processing amplifier on the final output. New Composite sync insertion, level adjustment.
    • Dropout compensation: Replaced snowy video spots where the FM signal on the tape is missing momentary, caused by a defect in the tape. (optional on some models) Ampex and 3M made different models for the VTR.
    • Editec: (1963) Cue tone editor for frame accurate editing.
      • The components of the VTR were the Servo System, Video Record (Modulator) and Playback De-modulator) and Power Supply.
  • RCA
    • TRT-1A (1957) Tube VTR, 4 racks of tubes.
    • TRT-1B (1959) Tube VTR, 3 racks. an available option for color expanded this machine to six racks, which included the color processing equipment and color monitor.
    • TRT-1AC Prototype
    • TR-2 (1960) Tube VTR with some solid state. Low band or monochrome.
    • TR-11 (1961) Tube VTR with solid state PS-Power supply.
    • TR-22 (1961) Monochrome low band, later color version.
    • TR-22C (1964) High-band color.
    • TR-2 (1964) Record-only solid state.
    • TR-3 (1964) Playback-only solid state.
    • TR-4 (1964) Both, solid state.
    • TR-5 (1964) Console portable solid state.
    • TR-70 (1966) Solid state, high/low band with dropout compensation.
    • TR-50 (1967) TR-4 high band.
    • TR-60 (1969) High-band & low band color or monochrome. TR-60 is an updated TR-50. RCA's Multi standard machine 405/525/625 lines. The TR-60 & TR-70 were used in the Master Slave Configuration With the TCR-100 Cart Machines timesharing the video processing circuitry of the TR-60 and TR-70 machines when a SPU was not installed with the TCR100.
    • TR-70 High-band & low band color or monochrome. RCA's Multi standard machine
    • TCR-100 (1970) Dual-deck video cartridge machine. SPU-100 was the signal processing unit. had many air-operated mechanisms
    • TR-61 (1972) High-band color, digital servo system, NTSC/PAL switchable, TR-60 is an updated TR-50.
    • TPR-10 (1975) High-band color portable. larger than a VR-3000, Had color playback, US air force use a few.
    • TR-600 (1972) Last RCA Quad. Digital TBC, compact Quad used in studios and remote trucks.
  • Bosch Fernseh
    • BM-20 B&W unit.
    • BCM-40 (1970) Solid state, analog TBC.
    • BCM-40C (1972) Updated BCM-40
  • Soviet Union
    • KADR-5 a Soviet AVR1 look alike
  • Sony made a experimental 2" VTR in 1958, after seeing an Ampex VTR at NHK, but never sold any 2" VTRs.

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