JE Labs Arkiv (up to 2008): JE Labs phono and line preamp
6DJ8 Tube RIAA Phono and Line Preamplifier Schematic
DIY Audio Projects Forum • Single Tube RIAA (per channel)
The Valve Wizard
Magnetic phono preamp.
Borbely RIAA Preamp With Tubes - A Project Remembered and Revisited | audioXpress
Marantz 7 RIAA Phonograph Preamp – Preservation Sound
Tube Phono Pre-amp
VinylSavor: The Octal Preamplifier Mk2: Circuit
The Valve Wizard
The Valve Wizard
Updated Groovewatt Tube RIAA Phono Preamp Schematic | Valve amplifier, Electronics basics, Tube
simple phono preamp - bass boost | diyAudio
A MM PHONO vacuum tube preamplifier DIY - Davide Bucci
Schematic hunt: RIAA Phono Preamp | Page 2 | diyAudio
Groovewatt a DIY Vacuum Tube (Valve) RIAA Phono Preamplifier Project
Single Tube RIAA preamp too good to be true? | diyAudio
Tube Phono Preamp with passive EQ
MC Phono Preamp and SRPP & GKA
Bob's Vacuum Tube Phono Preamp
6 Tube Stereo Pre
12ax7 Phono Preamplifier | diyAudio
Spice and the art of preamplifier design, Part 2
12AT7 Tube Phono Pre-Amp Schematic - Old Schematics
Three ECC83-Based Tube Phono Preamplifier Circuits - EEWeb
RJM Audio - Tube passive phono preamplifier
Groovewatt a DIY Vacuum Tube (Valve) RIAA Phono Preamplifier Project
