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Peavey Dyna Bass Active Repairs

Hey Guys, new to the forum, just switched from Doghouse, upright bass (bluegrass style) to electric. Had a 87' 4 string dyna bass for years in the closet, started playing in Praise & Worship Band at church, the got another dyan bass 5 string. Both basses have need of repair on the active electronics. 4 string make as noise like a kick drum in our in-ear monitors, and the 5 string has a pot that's bad.

Question??? Peavey doesn't have parts or replacement board any longer. Anyone know of a repair place that can help me with the active repairs?
 
I've worked on several Dyna Bass and similar Peavey preamps and will say they're well constructed. The pots are robust and unless they've are physically broken will normally only need a squirt or two of a cleaner/lubricator. Never had to change a part on the pcb.

The only repairs I've had to make are broken bypass switches, output jack replacement, bad solder joint or butchered wiring.

The only pot that would be difficult to replace is the stacked High control (50K ohm linear/250K ohm audio). The others are common values that could be hard wired to the pcb.

Any competent tech should be able to fix one without a schematic.

mech