dbx
500 Series De-esser
HRK
Stereo 500 series color processor
Classic API
500 Series Equaliser
Meris
500 Series Mic Preamp
Wunder Audio
discrete class EQ
DACS Audio
DACS MicAmp 2 in 500 format
Inward Connections
500 Series VCA compressor
BAE
GRAPHIC 10 BAND EQ
Roger Schult
Vintage style baxandall 3-Band EQ
full parametric filter
Purple Audio
DIYRE
Passive Equalizer
Heritage Audio
Louder Than Liftoff
TWIN TONE-AMP™ WITH COLOUR
Big Bear Audio
Preamp with Colour Card effect slot
Phoenix Audio
compressor & gate
500 Series equalizer
Headphone and Control Room preamplifier
Weiss
Mic Preamp with DSP side-chain controlled De-esser.
ART
Vactrol based compression circuit
Parametric EQ
IGS Audio
M/S mid side matrix and dry/wet blender
EQ NEVE STYLE
BAE 1073MPL
opto compressor
Elysia
mono vca compressor
the DON classics
Class A mic pre DIY kit PLUS EQ addon
EQ addon for NV73 DIY kit
Hi-Z Microphone Preamplifier
Tube Microphone Preamplifier With Optical Compressor, 500 Series
500 Series Mic/Instrument Preamp with 20dB Pad, Low Cut Filter, High/Low Detail EQ,...
SPL
Dual Band De-Esser 500 Series module
Headphone Monitoring Amplifier 500 Series module
Grace Design
PreAmp with Ribbon Boost
Earthworks
Uncolored PreAmp with balanced variable out
Focusrite
The Focusrite Heritage – in a new format
Kush Audio
The Omega is meant to be as neutral as a preamp can possibly be.
Maag Audio
One channel microphone preamplifier with AIR BAND®
JLM Audio
Mic Pre
How much is the fish?