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New tube phono preamp, hiss-like noise and crackling on left channel .
New tube Phono preamp, hiss-like noise and crackling on left channel
Groovewatt a DIY Vacuum Tube (Valve) RIAA Phono Preamplifier Project
Spice and the art of preamplifier design, Part 2
Borbely RIAA Preamp With Tubes - A Project Remembered and Revisited
Tube Phono Pre-amp