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■About This Items■

It is modified to reduce noise.

We plugged in the bass guitar and got sound.

Tested.It works fine with 9V power adapter or 9V battery.

It made in Taiwan 2008 and Modified in Japan 2024.

Modified part_1:【IC1】【IC2】【IC3】Changed operational amplifier from JRC14558D to NE5532AP.

Modified part_2:【C12(47μF)】【C17(100μF)】【C32(1μF)】【C21(1μF)】【C22(1μF)】The capacitors were changed to audio grade electrolytic capacitors or Tantalum Capacitor.

Modified part_3:【R34(10K)】【R36(10K)】【R7(3.3K)】【R41(4.7K)】【R26(1K)】These resistors were changed from carbon resistors to metal film resistors.

The red LED is replaced with a bright white LED.

Please note that the modified GEB-7 with reduced noise does not have the noise reduction features of the BOSS NS-2 Noise Suppressor.

The R34 locations are soldered with lead wires extended.


Slightly peeling paint in some areas.

Please have a look at the photos.



■Included Items■

Nothing(Main Unit Only).

Not include Adapter.


We send a product by DHL or FedEx or EMS.

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■About Importer's Obligation■

Import duties, taxes, and charges are not included in the item price or shipping cost. These charges are the buyer's responsibility. Please check with your country's customs office to determine what these additional costs will be prior to bidding or buying.

Thank you for your understanding.

Listeda month ago
ConditionVery Good (Used)
Very Good items may show a few slight marks or scratches but are fully functional and in overall great shape.Learn more
  • GE-7 Modified Noiseless Bass Equalizer PSA
  • Grey
  • Made in Taiwan 2008 & Modified in Japan 2024.
Made In
  • Taiwan

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Kawasaki-shi, Japan
Joined Reverb:2023

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