6sl7 Phono Preamp Schematic
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VinylSavor: The Octal Preamplifier Mk2: Circuit
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VinylSavor: The Octal Preamplifier Mk2: Circuit
6SL7 / 6SN7 SE phono preamplifier
Groovewatt a DIY Vacuum Tube (Valve) RIAA Phono Preamplifier Project