Fender Bassman Ab165 Schematic

The Bassman is known for its simple pure and raw tone. Now its easier to get matched sets but tube performance is all over the place so an overall bias adjustment is more useful. There is also the 6G6-B model which has a blackface but is really brown or white in the nature of the circuit had a presence control and had white barrel knobs so it is really not a part of the blackface family.

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Fender Amp Schematics to assist you with your amplifier repairs and modifications.

Fender bassman ab165 schematic. The section to the left of the PI as the layout diagram is oriented containing the plate resistors appears to have been partially converted from ab165. I came across your layout and schematic and it caught my attention for sure. Back then tubes were much closer to the designed spec but not usually sold as matched sets - and Fender certainly didnt buy them as such - so a bias matching control was more useful.

These are invaluable reference tools if you are digging around inside of your vintage Fender amplifier. 65 Deluxe Reverb Amplifier. To view this site you must enable JavaScript or upgrade to a.

Fender ro model o-fe notice shown on- 20 - bass bass 2 so -a 002 volume ima normal v. This is the same phase inverter bias and output circuit found in the AA864 Bassman AB763 Super Reverb Twin Reverb Deluxe Reverb etc. The AB165 is an interesting schematic - when you keep in mind Leos plan was always as loud as possible never driven to distortion then a lot of the seemingly-silly mods make sense.

Download FENDER BASSMAN-AB165-LAYOUT service manual repair info for electronics experts Service manuals schematics eproms for electrical technicians This site helps you to save the Earth from electronic waste. Prowess Amplifiers - Fender - Schematics - Bassman ab165 - Schematic. As the Super Reverb and Bandmaster.

Here is our collection of Black face Silver face and other 80s era Fender Guitar Amp SchematicsThey are available for free download to help you with your amplifier repair and modifications. Doing a bit of research it could sound even better. This mod converts the AB165 to classic blackface specs.

A global NFB loop on the previous Blackface Bassman wasnt enough NFB apparently so there were additional feedback caps from the plates to the grid. SCHEMATICS AND LAYOUT DIAGRAMS Here are hundreds of original Fender schematics and layout diagrams available for free viewing and download. Fender had two versions of the blackface Bassman head the short lived AA864 and the AB165.