Ernie Ball MM HD-500 Bass Amp - $400 (lafayette / orinda / moraga)

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condition: good

make / manufacturer: Ernie Ball

model name / number: Music man HD-500

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Super rare 500w Music Man bass head, tube pre amp and 2 foot switchable channels. Probably the coolest amp I’ve owned.
I’ll give you a choice of 2 different 4x10 cabinets and a hard case for a bit more.

post id: 7908489638

posted: 2026-01-13 15:37

updated: 2026-03-06 15:00

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Ernie Ball MM HD-500 Bass Amp - musical instruments - by owner -...

Super rare 500w Music Man bass head, tube pre amp and 2 foot switchable channels. Probably the coolest amp I’ve owned. I’ll give you a choice of 2 different 4x10 cabinets and a hard case for a bit...