Just finished this compact tube preamp with Sovtek NOS NIB 7025 (12AX7WA). Again on a jiffy box - “Shadow” - this time is an ironstone epoxy enamel finish. All metal film Rs and PIO output caps with silver plated fine copper hookup wire. Two inputs. SRPP topology. External PS is a Radi0kit kit for 12V and 250V DC. The preamp is absolutely dead quiet. No snap, crackle or pop

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