Amplifiers

Gibson GA-25 1948, Black

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Specs


Instrument	Amplifiers
Brand	Gibson
Model	GA-25
Finish	Black
SKU	AP3118-A
Made In Year	1948
Preamp	6SJ7, 6SN7
Power	6V6 (x2)
Rectifier	5Y3
Wattage	15 Watts
Circuit	Modified (see description)
Speaker	Weber Sig12A-S 12", Weber 8Sig-A 8"
PT	Original
OT	Modern era replacement

Description

Due to the age of this amp most original parts have been changed, including the internal components, speakers, and output transformer. A modification was done to consolidate 2 of the 6SJ7 gain stages with a single 6SN7. An updated tube chart was printed and attached to the amp. The instrument inputs have been plugged, making the high gain jack the solo input for the amp.

It should be noted that these have a very unconventional tone circuit, and gain actually gets subtracted when the dial turns to the treble side.

*When using Affirm, we charge an additional 3.5% fee on the total at checkout. The majority of our instruments are consignment, where CVG keeps a small percentage of each sale. To be able to cover the additional costs required to offer financing, we have to include a higher fee to the customer. The 3.5% fee will be included in and spread across your Affirm payments.