OSH Park
Guitar/Bass Simple Preamp with Sockets
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Guitar/Bass Simple Preamp with Sockets
by jronen.
2
layer board of
1.91x1.51
inches
(48.41x38.25
mm).
Shared on
November 16th, 2014 09:16.
A simple pre-amplifier for guitar or bass with variable gain.
For use both with SMT or PTH resistors and capacitors, a power supply of +/- 5V up to +/- 15V (hint: an ATX power supply of any PC has +/- 12V), and a dual opamp such as NE5532, OPA1642, OP284, etc.
See https://github.com/jonronen/geda-stuff/tree/master/preamps for the schematics and PCB alignment