OSH Park
Profile for SirIsaac
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Shared projects
Tube Bias Board
by SirIsaac.
2
layer board of
2.51x1.36
inches
(63.65x34.44
mm).
Shared on
April 28th, 2017 00:22.
Preamp tube board bias board for the Bottlehead Crack AMP. Allows for easy re-biasing of different preamp tubes using jumpers.