Three ECC83-Based Tube Phono Preamplifier Circuits - EEWeb
MC Phono Preamp and SRPP & GKA
A MM PHONO vacuum tube preamplifier DIY - Davide Bucci
miscellaneous-schematics1
Groovewatt a DIY Vacuum Tube (Valve) RIAA Phono Preamplifier Project
RIAA-2010
7025 ECC803S 12AX7A Tube RIAA Phono Preamplifier Schematic under Repository-circuits -24637- : Next.gr
miscellaneous-schematics1
Tube Phono Pre-amp
Schematic hunt: RIAA Phono Preamp | diyAudio
VinylSavor: The Octal Phono Preamplifier, Part 1 : Circuit
Mullard Stereophonic Pre-amplifier
Groovewatt a DIY Vacuum Tube (Valve) RIAA Phono Preamplifier Project
The Valve Wizard
Hi-end phono preamplifier
Bob's Vacuum Tube Phono Preamp
Audio Research SP6 Tube Preamp
MC Phono Preamp and SRPP & GKA
VinylSavor: The Octal Preamplifier Mk2: Circuit
JE Labs Arkiv (up to 2008): JE Labs phono and line preamp
7025 Phono Circuit From Tube Manual | diyAudio
Magnetic phono preamp.
Tube Phono Preamp with passive EQ
LR Phono Preamps
RJM Audio - Tube passive phono preamplifier
6 Tube Stereo Pre
Groovewatt a DIY Vacuum Tube (Valve) RIAA Phono Preamplifier Project
