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Pioneer SG-9

12 Band Stereo Graphic Equalizer (1981-83)

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Pioneer SG-9


The Pioneer SG-9 is the frequency flattener that lets you achieve flat response in any listening room.


Output Level: 1V (7.5V max)

Gain: ± 0dB

Frequency response: 5Hz to 100kHz

Signal to Noise Ratio: 92dB

Total harmonic distortion: 0.006%

Control Range: ± 10dB

Frequency Bands: 16, 32, 64, 125, 250, 500, 1K, 2K, 4K, 8K, 16K, 32KHz

Dimensions: 420 x 150 x 355mm

Weight: 7.1kg

Year: 1982


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re: SG-9

Hi guys I have pioneer sg9 equalizer when i use with recording it is come over noise look like treble noise. why this sound some people can explain please thanks

acansino's picture

re: SG-9

Mine wont power up any more,any suggestions?

re: SG-9

I have a question, can you use the equalizer just on your stereo receiver? without the tape deck.

Pioneer SG9

Could someone help me with the service manual or the schematics ?
Thank you
Thanks to hifiengine Joseph Taflan did send the schematics Thank you Joseph

re: Pioneer SG9

Also need the schematics for SG 9. Any help in locating them will be greatly appreciated. Thanks tom b

karodimitrov's picture

re: Pioneer SG9

SG-9 is the same as SG-9800-only faceplates are different.Look for the service manual for the SG-9800.

This website is not affiliated with or sponsored by Pioneer. To purchase SG-9 spares or accessories, please contact the company via their website or visit an authorised retailer.