Marantz 7700-2

Data[edit]

General

Manufacturer: Marantz
Model: 7700-2
Type: Tape machine
Years of manufacture: 1978 - 1979 (prototype presented)
Made in: Japan
Color: champagne, cabinet wood walnut
Remote control:
Power Consumption:
Dimensions: 447 x 489 x 229 mm (WxHxD).
Weight: 27,5 kg
Original price: unit was never built in series, according to Stereo Review from May 1979 a price of 2'500 US-$ was planned, according to special edition "Hobby" (see reports) in Germany a price of 3'200 DM

Connections

Number of inputs:
- Microphone: 0.2 mV / 600 Ohm - 10 kOhm
- Line In: 70 mV / 100 kOhm
- Line In DIN:
Number of outputs:
- Line Out: 1.0 V
- Headphone: 200 mV, 8 Ohm

Technical Data

Max. Coil diameter: 26.5 cm
- Recording / playback system:
  - Recording: 2-track, 2-channel, 4-track, 2-channel.
  - Playback: 2-track, 2-channel, 4-track, 2-channel
Drive: 3 motors (1x AC-Servo Dual-Capstan, 2x 6-pole coils)
Heads: 6 audio heads (2x 4-track recording, 2x 4-track playback, 2x 2-track erase)
Tracks: 4
Tape speeds: 9.5, 19 cm/s, 38 cm/s
Speed fine adjustment: ± 6
Synchronisation fluctuations:
- at 9.5 cm/s: ± 0,5%
- at 19 cm/s: ± 0,5%
- at 38 cm/s: ± 0,5%
Pitch fluctuations:
- at 9.5 cm/s: < 0.08 %
- at 19 cm/s: < 0.04 %
- at 38 cm/s: < 0.03 %
Overall frequency response: Low Noise Band
- at 9.5 cm/s: 20 - 17'000 Hz, ± 3 dB)
- at 19 cm/s: 20 - 29'000 Hz, ± 3 dB)
- at 38 cm/s: 20 - 37'000 Hz, ± 3 dB)
Signal-to-noise ratio: > 66 dB
Signal-to-noise ratio: > 58 dB
Distortion factor: < 0.4 % (100 Hz, 38 cm/s)
Equalization: NAB
Crosstalk attenuation: > 53 dB (1 kHz, stereo)
Cancellation attenuation: > 70 dB
Premagnetization and erasure frequency: 150 kHz
Rewind speed: 130 seconds for 540 m band
VU meter response time: 0.01 s
- Return time: 0.8s

Special Features