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External filament supply for Dyna power amps

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GP49

Posts: 498
Join date: 2009-04-30

External filament supply for Dyna power amps

Post by GP49 on Mon Jul 26, 2010 11:00 am

The Dynaco PAS preamps have a DC supply for their filaments. The Dynaco tube power amps do not.

Suitable power supplies can be found or built quite cheaply for use as an external regulated DC filament supply. Has anyone tried such an outboard one, and what suggestions would you have, specifically regarding grounding such a supply?
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