Optonica RT-9100

Data

General

• Manufacturer: Sharp Optonica
• Model: RT-9100 H/HB
• Type: Cassette Tape Deck
• Years of manufacture: 1981 - 1982
• Made in: Japan
• Color: Silver metallic (H) and Brown metallic (HB)
• Remote control: Yes
• Power consumption: 43 watts
• Dimensions: 430 x 144 x 371 mm
• Weight: 12.5 kg
• Original price approx.: 2'498 DM

Connections

• Number of inputs:
  • Cinch, DIN, 2x mono microphone, Front Line-In
• Number of outputs:
  • Cinch, DIN, headphones, syncron connection for timer AD-200 T

Technical Data

• Audio heads: 4 (record, play, delete, search)
• Motors: 2
• Synchronisation fluctuations: ±0.12% (DIN), ±0.038% (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 - 20000 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

• Dual Capstan drive
• Quartz-controlled capstan motor
• Rear band control
• Dolby level adjustable for all 4 bands separately
• Bias adjustable for all 4 bands separately
• Test tone generator for bias and Dolby level
• Peak Hold for level meter switchable
• Timer switch
• switchable limiter
• adjustable output level
• separate level controls for Line/DIN and Microphone
• 2 counter memories
• programmable track order
• various automatic repeat functions (A-B, complete cassette page, program)
• automatic search (direct selection of titles)
• blank space automatic
• 10-key keypad for programming
• key tones can be switched off
• Syncron connection for timer AD-200 T. It then serves as a real-time counter and buffer for programming.

Remarks

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

• In Japan, the device was called RT-9.
  

• In the USA, the device was offered as an assembly of tape deck and timer as RT-6905 (color black).

• Other models of the same series:

• Preamplifier:
• Optonica SO-9100
• Power amplifier:
• Optonica SX-9100
• Tuner:
• Optonica ST-9100
• Tape deck:
• Optonica RT-9100
• Turntable:
• Optonica RP-9100
• Programmable Quartz Timer:
• Optonica AD-200 T

• Optonica series 9100
• Optonica 9100 Series
• Optonica 7100 Series
• Optonica 5200 Series
• Optonica System 105

Pictures

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Brochures

• Optonica Program 1981-1982

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