Optonica - RT-7100 Audio-cassette deck
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Optonica RT-7100 stereo cassette deck, manufactured in 1981 by Sharp under the Optonica brand, is in very good cosmetic condition and tested and working, includes a power cord, weighs 11.5 kg, and has serial number 90700290.
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Description from the seller
Optonica RT-7100 Stereo Cassette Deck – Rare High-End Japanese Vintage Hi-Fi (1981)
Manufacturer: Optonica (Sharp, Japan)
Model: RT-7100
Year: 1981–1982
Colour: shampagne
Offered for sale is an exceptional Optonica RT-7100, one of the finest cassette decks produced by Sharp under its prestigious Optonica brand during the golden era of Japanese hi-fi. Designed and manufactured in Japan, this premium single cassette deck is highly sought after by collectors for its superb engineering, elegant industrial design, and advanced microprocessor-controlled transport.
The RT-7100 features a precision 2-motor transport, Dolby B noise reduction, programmable music search (APMS), automatic program search (APSS), fluorescent peak level meters with Peak Hold, timer recording/playback capability, auto-blank spacing, repeat functions, limiter, adjustable output level, and separate microphone inputs with independent level controls. These advanced features made it one of the most sophisticated cassette decks of its time.
Technical Specifications
Made in Japan (1981–1982)
2-head, 2-motor precision transport
Supports Type I, Type II (CrO₂), and Type III (FeCr) tapes
Dolby B Noise Reduction
Frequency response up to 18 kHz
Wow & Flutter: 0.04% WRMS
Signal-to-noise ratio: up to 67 dB with Dolby B
Weight: approximately 11.5 kg
Condition
Please refer carefully to the photographs, which form part of the description.
Fully tested and in good working order.
Playback, fast-forward and rewind operate correctly.
Fluorescent display and all controls function properly.
Very good cosmetic condition with only minor signs of age consistent with careful use.
Clean interior and exterior.
This model is becoming increasingly difficult to find, especially in well-preserved condition, making it an excellent addition to any vintage hi-fi collection.
The cassette deck will be carefully packed using professional packaging materials to ensure safe international shipping.
Key specifications
2-motor transport
2-head design
Supports Type I, II, and III cassette tapes
Dolby B noise reduction
Frequency response:
Type I: 20 Hz–15 kHz
Type II: 20 Hz–17 kHz
Type III: up to 18 kHz
Signal-to-noise ratio:
57 dB (without Dolby)
67 dB (with Dolby B)
Wow & flutter: 0.04% WRMS
Weight: 11.5 kg (25.3 lb)
Optonica RT-7100 Stereo Cassette Deck – Rare High-End Japanese Vintage Hi-Fi (1981)
Manufacturer: Optonica (Sharp, Japan)
Model: RT-7100
Year: 1981–1982
Colour: shampagne
Offered for sale is an exceptional Optonica RT-7100, one of the finest cassette decks produced by Sharp under its prestigious Optonica brand during the golden era of Japanese hi-fi. Designed and manufactured in Japan, this premium single cassette deck is highly sought after by collectors for its superb engineering, elegant industrial design, and advanced microprocessor-controlled transport.
The RT-7100 features a precision 2-motor transport, Dolby B noise reduction, programmable music search (APMS), automatic program search (APSS), fluorescent peak level meters with Peak Hold, timer recording/playback capability, auto-blank spacing, repeat functions, limiter, adjustable output level, and separate microphone inputs with independent level controls. These advanced features made it one of the most sophisticated cassette decks of its time.
Technical Specifications
Made in Japan (1981–1982)
2-head, 2-motor precision transport
Supports Type I, Type II (CrO₂), and Type III (FeCr) tapes
Dolby B Noise Reduction
Frequency response up to 18 kHz
Wow & Flutter: 0.04% WRMS
Signal-to-noise ratio: up to 67 dB with Dolby B
Weight: approximately 11.5 kg
Condition
Please refer carefully to the photographs, which form part of the description.
Fully tested and in good working order.
Playback, fast-forward and rewind operate correctly.
Fluorescent display and all controls function properly.
Very good cosmetic condition with only minor signs of age consistent with careful use.
Clean interior and exterior.
This model is becoming increasingly difficult to find, especially in well-preserved condition, making it an excellent addition to any vintage hi-fi collection.
The cassette deck will be carefully packed using professional packaging materials to ensure safe international shipping.
Key specifications
2-motor transport
2-head design
Supports Type I, II, and III cassette tapes
Dolby B noise reduction
Frequency response:
Type I: 20 Hz–15 kHz
Type II: 20 Hz–17 kHz
Type III: up to 18 kHz
Signal-to-noise ratio:
57 dB (without Dolby)
67 dB (with Dolby B)
Wow & flutter: 0.04% WRMS
Weight: 11.5 kg (25.3 lb)
Details
Era
1900-2000
Brand
Optonica
Model
RT-7100
Multiple models
No
Physical condition
Very good
Number of objects
1
Includes
Power cord
Serial Number
90700290
Year of manufacture
1981
Weight
11.5 kg
Functional condition
Tested and working/playable
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