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Ampex MR-70

Master Recorder (1965-66)

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Ampex MR-70

Specifications

  • Track system: 1-track, single channel, monaural system

    Reel size: up to 11.5 inch reel

    Equalization: NAB, CCIR, AME

    Tape speeds: 7 12  15 ips

    Wow and flutter: 0.05% (15 ips)

    Frequency response: 50Hz to 15kHz (15 ips)

    Signal to Noise Ratio: 70dB

    Total harmonic distortion: 0.5%

    Crosstalk: 50dB

    Valve complement: 6 x 7587, 16 x 7895

    Dimensions: 19 x 24.5 x 12 inches

    Weight: 130lbs

    Year: 1965

    Note: optional 15/30 ips

    Price: USD $4005 (1966)

  • Track system: 2-track, 2-channel, stereo/monaural system

    Reel size: up to 11.5 inch reel

    Equalization: NAB, CCIR, AME

    Tape speeds: 7 12  15 ips

    Wow and flutter: 0.05% (15 ips)

    Frequency response: 50Hz to 15kHz (15 ips)

    Signal to Noise Ratio: 65dB

    Total harmonic distortion: 0.5%

    Crosstalk: 50dB

    Valve complement: 6 x 7587, 16 x 7895

    Dimensions: 19 x 24.5 x 12 inches

    Weight: 130lbs

    Year: 1965

    Note: 1/4" tape (std), optional 1/2" tape, 15/30 ips

    Price: USD $5175 (1966)

  • Track system: 3-track, 3-channel, stereo/monaural/multi channel system

    Reel size: up to 11.5 inch reel

    Equalization: NAB, CCIR, AME

    Tape speeds: 7 12  15 ips

    Wow and flutter: 0.05% (15 ips)

    Frequency response: 50Hz to 15kHz (15 ips)

    Signal to Noise Ratio: 66dB

    Total harmonic distortion: 0.5%

    Crosstalk: 50dB

    Valve complement: 6 x 7587, 16 x 7895

    Dimensions: 19 x 24.5 x 12 inches

    Weight: 130lbs

    Year: 1965

    Note: 1/2" tape (std), optional 1" tape, 15/30 ips

    Price: USD $6255 (1966)

  • Track system: 4-track, 4-channel, stereo/monaural/multi channel system

    Reel size: up to 11.5 inch reel

    Equalization: NAB, CCIR, AME

    Tape speeds: 7 12  15 ips

    Wow and flutter: 0.05% (15 ips)

    Frequency response: 50Hz to 15kHz (15 ips)

    Signal to Noise Ratio: 65dB

    Total harmonic distortion: 0.5%

    Crosstalk: 50dB

    Valve complement: 6 x 7587, 16 x 7895

    Dimensions: 19 x 24.5 x 12 inches

    Weight: 130lbs

    Year: 1965

    Note: 1/2" tape (std), optional 1" tape, 15/30 ips

    Price: USD $7425 (1966)

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