Optonica SM-7100

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Data[edit]

General

  • Manufacturer: Optonica
  • Model: SM-7100
  • Type: Integrated amplifier
  • Years of manufacture: 1980 - 1982
  • Made in: Japan
  • Color: Silver (H) and Brown metallic (HB)
  • Remote control: No
  • Power consumption: 500 watts
  • Dimensions: 430 x 75 x 382 mm (WxHxD)
  • Weight: 10.8 kg
  • Original price approx.: 1'098 DM


Connections

  • Number of inputs:
    • 2x Phono MM 2.8 mV/47 KOhm
    • Tuner, Aux, 2x Tape 150 mV/47 KOhm
    • Tape 2 DIN 150 mV/47 KOhm
    • Main-In 830 mV/10 KOhm
  • Number of outputs:
    • 2x Rec-Out 150 mV/47 KOhm
    • Rec-out DIN 30 mV/82 KOhm
    • Pre-Out
    • Headphones
    • 2x loudspeaker


Technical Data

  • Continuous power (at distortion factor)
    • 8 Ohm: 2x 60 Watt
    • 4 Ohm: 2x 70 Watt
  • Dynamic power
    • 8 Ohm: 2x 85 Watt
    • 4 Ohm: 2x 135 Watt
  • Total harmonic distortion: 0,005%
  • Attenuation factor: 35 (4 Ohm, 1 kHz)
  • Frequency response: 0 - 80000 Hz
  • Signal to noise ratio: 95 dB
  • Stereo channel separation:
  • Tone control:
    • Bass: ±10 dB at 100 Hz

Treble: ±9 dB at 10000 Hz

  • Loudness: Yes
  • High Filter: 8000/15000 Hz/6 dB, switchable
  • Low Filter (Subsonic): 15/30 Hz/6 dB, switchable
  • Mute: Yes
  • Direct/Line-Straight: Tone control switchable


Special Features

  • Power indicator
  • Mono/stereo switch
  • Tape copy function Tape 1 to Tape 2 and Tape 2 to Tape 1


Remarks[edit]



  • In Japan, the device was called SM-7.
  • In the USA, the device was called SM-7301 (silver) or SM-7305 (black).

Pictures[edit]

  • Picture: Optonica SM-7100

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  • Image: Optonica SM-7100

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  • Picture: Optonica SM-7100

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  • Picture: Optonica SM-7100

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  • Picture: Optonica SM-7100

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  • Picture: Optonica SM-7100

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  • Picture: Optonica SM-7100

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  • Picture: Optonica SM-7100

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  • Picture: Optonica SM-7100

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  • Picture: Optonica SM-7100

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www.optonica-hifi.com is a purely private, non-commercial website. There will be no equipment for sale on this website, nor will there be any offers to buy. The sole purpose of this website is the desire to keep alive the memory of the wonderful devices of the HiFi components from the slimline era of OPTONICA, which have now achieved cult status, and to provide all important information free of charge to all friends and lovers of these technical masterpieces.

www.optonica-hifi.com is a non commercial private web site. There is no hifi gear offered nor is there any interest in buying any hifi gear by the owner of this site. The aim of www.optonica-hifi.com is to keep this faboulous brand in mind and to offer free information to all friends and lovers of OPTONICA.

Please note that all pictures published here are subject to copyright. The use of the pictures for personal use requires the permission of the operator of this website. The use for own publication, especially in eBay auctions or other auction platforms in the internet is explicitly not allowed! The operator of this website has received official permission from SHARP Electronics (Europe) GmbH, Sonninstraße 3, 20097 Hamburg, Germany. The permission to use individual photocopies from original OPTONICA brochures is not transferable.

Please respect that there is a copyright on all of the pictures shown in this site. You may feel free to use all pictures for your personal use after you have received my permission on request, The use for any kind of publication, sales on eBay or similar web sites is not permitted.


Brochures[edit]

  • Optonica Program 1981-1982

Displays[edit]

Reports[edit]

Links[edit]