Optonica RT-7070

Data

General

• Manufacturer: Sharp Optonica
• Model: RT-7070 H/HB
• Type: Double cassette tape deck
• Years of manufacture: 1981 - 1982
• Made in: Japan

Color: Silver metallic and Brown metallic (H/HB)

• Remote control: No
• Power consumption: 20 watts
• Dimensions: 430 x 114 x 320 mm (WxHxD)
• Weight: 7.5 kg
• Original price approx.: 1'000 DM

Connections

• Number of inputs:
  • Cinch, DIN
• Number of outputs:
  • Cinch, DIN, headphones

Technical data

• Audio heads: 2 + 1
• Motors: 2 x 1
• Synchronization fluctuations: ±0.15% (DIN), ±0.04% (WRMS)
• Tape types: type I, II, III, IV
• Frequency response:
  • Type I: 20 - 16000 Hz (DIN), 30 - 16000 Hz ±3dB.
  • Type II: 20 - 18000 Hz (DIN), 30 - 18000 Hz ±3dB

Type III: 20 - 19000 Hz (DIN), 30 - 19000 Hz ±3dB Type IV: 20 - 20000 Hz (DIN), 30 - 20000 Hz ±3dB

• Premagnetization frequency: 105 kHz
• Distortion factor:
• Signal-to-noise ratio: 57 dB without Dolby, 67 dB with Dolby B
• Auto-Reverse: No
• Title search: Yes
• Dolby: B
• MPX Filter: Yes

Special Features

• Bias control
• Tape type and Dolby separately switchable for both decks
• Blank space automatic
• Peak hold switchable for level meters
• Output level control

Remarks

• Other models in the same series:
• RT-105
• RT-5200
• RT-7000
• RT-7070
• RT-7100
• RT-9100

Pictures

• Image: Optonica RT-7070 HB

• Picture: Extract from program Optonica RT-7070 H

• Image: excerpt from program Optonica RT-7070 H

• Image: excerpt from Optonica RT-7070 H program

Brochures

• Optonica Program 1981-1982

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