Sony TC-788-4 specifications

Category : Tape machines

Brand : Sony

General

Connections

Tech nical data

Special equipment

• Manufacturer: Sony
• Model: TC-788-4 (designation in Japan for the identical Sony TC-7850)
• Type: 4-channel tape machine
• Year of manufacture: 1974 - 1978
• Made in: Japan
• Color: Silver, Wooden Side panels
• Remote control:
• Power consumption: 70 watts
• Dimensions: 448 x 558 x 227 mm (WxHxD)
• Weight: 26.5kg
• Factory price approx.: 3'500 DM

• Number of inputs:
  • 4x Microphone: 0.2mV / -72dB
  • 4x Line: 60mV /-22dB/100kOhm
Number of outputs:
• 4x Line: 0.43V / -5dB /<10kOhm
• Headphones Front, Rear: 8 Ohm

• 4x Microphone: 0.2mV/ -72dB
• 4x Line: 60mV/ -22dB/100kOhm

4x Line : 0.43V / -5dB / < 10kOhm
• Headphones Front, Rear: 8 Ohm

• 4-track, 4-channel, quadraphonic Tape Deck, also playable in stereo
• Max. Coil diameter: max. 26 cm
• drive: 3 motors
  • 1x AC Servo (Dual Capstan)
  • 2x 8-Pole DC Servo (coils)
• heads F&F: 3
  • 1x recording
  • 1x playback
  • 1x
• tracks: 4
• tape speed of 19 cm/s, 38 cm/s
• Delete wow and flutter:
  • ± 0,04 % (38cm/s)
  • ± 0,06 % (19cm/s)
• Pitch changes:
  • to 0.02% WRMS (38cm/s)
  • 0,03% WRMS (19cm/s)
  • ± 0.03% of DIN (38cm/s)
  • ± 0,04% DIN (19cm/s)
• total frequency response:
  • 20Hz - 35kHz (38cm/s, ± 2dB, SLH)
  • 30Hz - 28kHz (19cm/s, ± 2dB, SLH)
  • 20Hz - 30kHz (38cm/s, ± 2dB, standard)
  • 20Hz - 23kHhz (19cm/s, ± 2dB, standard)
• signal-to-noise distance to NAB:
  • 53 dB at Low Noise-Band
  • 56 dB in the case of Fer ro-Chrome tape
• total harmonic distortion: 1,2 %
• equalization: NAB Equalizer
• crosstalk attenuation at 1 kHz in stereo mode: 55 dB
• delete attenuation:
• premagnetization and deletion frequency: AC 85 kHz
• VU-Meter:
  • Response: 30Hz - 30Khz
  • range: -40dB to +15dB
  • rise time: 1 ms
• delete attenuation at 19 cm/sec:
• bias and erase frequency: 160 kHz

• 1x AC Servo (Dual Capstan)
• 2x 8-Pole DC Servo (coils)

• 1x recording
• 1x playback
• 1x Delete

• ± 0,04 % (38cm/s)
• ± 0,06 % (19cm/s)

• 0,02% WRMS (38cm/s)
• 0,03% WRMS (19cm/s)
• ± 0.03% of DIN (38cm/s)
• ± 0,04% DIN (19cm/s)

• 20Hz - 35kHz (38cm/s, ± 2dB, SLH)
• 30Hz - 28kHz (19cm/s, ± 2dB, SLH)
• 20Hz - 30kHz (38cm/s, ± 2dB, standard)
• 20Hz - 23kHhz (19cm/s, ± 2dB, standard)

• 53 dB at Low Noise-Band
• 56 dB in the case of Fer ro-Chrome tape

• Response: 30Hz - 30Khz
• range: -40dB to +15dB
• rise time: 1 ms

• double-Capstan Direct drive
• Adjustable Drawcord for 18 and 26 coils
• Full-logic-button circuit
• two-step bias
• three-stage equalization for Normal, Low-Noise and SONY FeCr-double-layer band

• Additional models in the "Professional" series:
• Sony TC-755
• Sony TC-755A
• Sony TC-756-2
• Sony TC-758
• Sony TC-765
• Sony TC-766-2
• Sony TC-788-4
• Sony TC-850-2
• Sony TC-850-4
• Sony TC-854-4
• Sony TC-880-2

• image: Sony TC-788-4

• External Link: website "The Vintage Knob": [1]

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