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6 Tube Stereo Pre
Preamp guitar tube stage tone explained effectrode common Guitar preamp tone explained 6 tube stereo pre
Are this transformers usable (z primary 5-20k / z secondary 12.5-50k)
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6 Tube Stereo Pre
Guitar Preamp Tone Explained - Effectrode
StompBoXed - The Guitar Pedal Builders Repository: 12AU7 Tube / Tubed