Revox B 710 MK II

Data

General

  • Manufacturer: Revox
  • Model: B 710 MK II
  • Years of manufacture: 1982 - 1984
  • Made in: West Germany
  • Color: silver
  • Remote control: yes, cable remote control optional
  • Power consumption:
  • Housing dimensions (WxHxD): 452 x 151 x 352 mm.
  • Weight (mass): 10.4 kg
  • Original price approx. : 2'900 DM


Connections

  • Number of inputs:
    • Sensitivity for 0 dB level control:
      • MIC (unbalanced) 0.35 mV/10 kOhm
      • LINE 70 mV/220 kOhm
  • Number of outputs:
  • Sensitivity for 0 dB = 200 nWb / m
    • LINE OUTPUT: max. 0.775 V, 390 Ohm, max. 1.5 kOhm (RL > 10 kOhm), adjustable with level control -26 dB

Headphones: max. 2.45 V, optimal for headphones of 200... 600 Ohm, separately adjustable via volume control


Technical data

  • Drive

4-motor double-capstan-drive

    • DC-winding motors controlled via yP
    • 2 individually quartz-controlled direct-drive Capstan motors

7-segment display

    • Tape counter 4-digit, switchable to clock function Tape speed:4.76 cm/s
  • Tone pitch fluctuation

(according to DIN 45507) IEC 386: 0, 1 % for C60 and C90

  • Cassettes that can be used
    • C46 to C120 technical data guaranteed up to C90

Rewinding times approx. 45 s for C60 approx. 65 s for C90

  • Noise reduction system
    • Dolby B/Dolby C switchable, MPX filter switchable
  • Playback equalisation
    • 3180 + 120ys for IEC I
    • 3180 + 70 ys for IEC II + IV,
    • manually selectable or automatic via cassette encoding Tape output control:
    • 200 nWb/m for 0 dB indication on peak meter.

distortion: at 315 Hz; 0 dB

    • I: better than 0.8%
    • II: better than 1.5%

IV: better than 1.5% Frequency Response: (measured over band at -20 dB)

    • I: 30 Hz-18 kHz + 2/-3 dB
    • II: 30 Hz-20 kHz + 2/-3 dB

IV: 30 Hz-20 kHz + 2/-3 dB

  • Silent-to-noise ratio: > 72 dB
  • Crosstalk attenuation: at 1 kHz: better than 40 dB
  • Pre-magnetization & extinction frequency: 105 kHz
  • Overload immunity of all inputs

40 dB (1: 100)


Remarks


  • Successor:
  • Revox B 215 with automatic band calibration "calibration computer".


Pictures

  • Picture: Revox B 710 MK II

Revox B 710 MKII.jpg


  • Extract from brochure: Revox B 710 MK II

Revox B-710 II-Prospekt-1.jpg


Test reports

  • Stereoplay 9/1982: "Spitzenklasse II" (same group as the legendary Nakamichi Dragon; best classification of cassette decks by Stereoplay at the time; for tape machines "Spitzenklasse I").


Links