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Ampex MR-70

Master Recorder · 1965-66

Documents

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Operation/maintenance manual
Originally shared by karodimitrov
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Brochure
For: 1965
Originally shared by karodimitrov
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Spec sheet
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Specifications

70-1
Track system
1-track, single channel, monaural system
Reel size
up to 11.5 inch reel
Equalization
NAB, CCIR, AME
Tape speeds
7 1⁄2 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
130 lb (59 kg)
Year
1965
Note
optional 15/30 ips
Price
USD $4005 (1966)
70-2
Track system
2-track, 2-channel, stereo/monaural system
Reel size
up to 11.5 inch reel
Equalization
NAB, CCIR, AME
Tape speeds
7 1⁄2 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
130 lb (59 kg)
Year
1965
Note
1/4" tape (std), optional 1/2" tape, 15/30 ips
Price
USD $5175 (1966)
70-3
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 1⁄2 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
130 lb (59 kg)
Year
1965
Note
1/2" tape (std), optional 1" tape, 15/30 ips
Price
USD $6255 (1966)
70-4
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 1⁄2 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
130 lb (59 kg)
Year
1965
Note
1/2" tape (std), optional 1" tape, 15/30 ips
Price
USD $7425 (1966)