1965 Hilgen Basso B2501 - $800 (Mount Union)

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This is my 1965 Hilgen Basso B2501 which started its life out as a bass combo. When I received it, the first thing that needed to be replaced was the output transformer. The paper tolex was falling off of it, so I refinished the cab and replaced both front and rear baffles with real wood, replacing the failing particle board. I also replaced the front cloth. One of the mods I had done to it was to be able to use the bass channels as a second gain stage. I replaced the 15" speaker that sounded like it had a wet blanket covering it with the infamous Celestine Green Back. Now it sounds like it should. I have the schematics and notes on the amp as well. Bring a thumb drive so I can transfer them for you. Great pedal platform, although no effect loop. Two 7591A power tubes. a Unique sounding amp with some mojo. I have had it since about 2000. I just don't need it anymore, and cleaning house. First $800 takes it

Advantages of a stock one:

1. Real plywood baffles.
2. upgraded output transformer and comes with old one too.
3. 12" Celestine green back vs old we blanket 15"
4. Able to now use the bass channel as a second gain stage.
5. Completely saved the cab with an eye fetching stain selection.
6. Upgraded 3 prong plug now.
7. Added Master Volume.
8. The new transformer supports other impedances just needs to be wired in.
9. replaced ugly old front grill cloth.
10. Comes with a hand made leather dust and gigging cover.
11. I have schematics for it all.

post id: 7917459869

posted: 2026-02-25 09:48

updated: 2026-05-03 08:09

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1965 Hilgen Basso B2501 - musical instruments - by owner - sale -...