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May 22, 2016 Update : Relist, revised shipping policies and price.
Yamaha - GSP100 Guitar Sound Processor/Preamp

Item Description

Type: Guitar preamp

  • Front (TRS 1/4) - Input (for guitars), Phones.
  • Back (TRS 1/4) - Output L/R, Aux SND, Aux Return L/R, REC OUT L/R (TS 3.5mm).

Other knobs, jacks, switches, etc: 
  • Knobs - Gain, Master, Tone Controls (Bass, Middle, Treble), Parametric EQ (FREQ, Q, Level), Aux level (RTN, SND) 
  • Switches - Dist (Distortion), UMB (Chorus-like Effect)
  • Other -  DC IN/OUT (DC IN for adapter 12V, center positive. Look the picture above.)

Condition: All functions works properly. 
  • This instrument has cosmetic scratches and wears.
  • make crunch sound when some knobs moves. No problem in fixed position.
  • AC adapter NOT included.


・We will ship worldwide by SAL with tracking number. It usually takes 10~21 days after shipping. (SAL means Surface Air Lifted, provided by Japan Post).

・Shipping will have within 3 business days after your payment confirmed.

・We have a discount program about shipping charge if you order two or more our selling items at once. For details, please let us know which item you want to order!

・Import duties, taxes and any other charges are not included in the list price and shipping charge. Buyers are responsible for these additional costs.

*Please ask beforehand for shipping to Africa, Central America, Middle East, South America, or if you don't know which area your country is treated as.

We accept Paypal only. Please pay with in 3 days after your order.

We obey the Reverb's Return Policy.

Please note
・All of our selling items have been checked in AC 100V, 50/60 Hz. You should use converters or step up/down transformers properly in other conditions.

・To know details about shipping and return, please check "Shop policies".

・Feel free to ask any question about our listing. We will reply to you within 24 hours!

Reverb Buyer Protection

Reverb has your back if your item is lost, damaged, or doesn't match its description. Simply report any issues within 7 days and we'll help you get a full refund.Learn more about Reverb Buyer Protection.

Listed8 years ago
ConditionGood (Used)
Good condition items function properly but may exhibit some wear and tear.learn more
  • GSP100
Made In
  • Japan

T-Gear Market (Ship from Japan)

Tottori-Shi, Japan
Joined Reverb:2016

Reverb Gives

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Carbon-Offset Shipping

Your purchases also help protect forests, including trees traditionally used to make instruments.

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