Vintage Digital
My Effects Rack

500 Series

500 Series effects, often referred to as the “lunchbox” format, are a popular and versatile set of audio processing modules used in professional audio recording and production. Originating in the USA but embraced worldwide, these pint-sized powerhouses allow sound engineers and musicians to customize their signal chain with preamps, EQs, compressors, and various other processors, all fitting neatly into a compact 500 Series rack.

Released in 2021

H2 Audio 0011 Mic Pre and 3-Band EQ

The H2 Audio 0011 Mic Pre and 3-Band EQ is the original channel module from so many iconic studio recordings of the past.
H2 Audio 0011
Released in 2021

H2 Audio 5011 Helios 3-Band EQ

The H2 Audio 5011 Helios 3-Band EQ is the EQ section from the 0011 in a 500 Series package.
H2 Audio 5011
Released in 2021

H2 Audio 2128 Helios Mic Preamplifier

The H2 Audio 2128 Helios Mic Preamplifier is the mic preamp circuit from the 0011 in a 500 Series package.
H2 Audio 2128
Released in 2022

SPL BiG Stereo Image Shaper

The SPL BiG Stereo Image Shaper is a Stereo Image Bigger Maker for 500 Series effects racks.
SPL BiG
Released in 2022

TK Audio BC501-GR Bus Compressor

TK Audio’s best-selling 500-series module, the TK Audio BC501-GR Bus, is a stereo bus compressor that features all the power of TK’s flagship BC1-THD.
TK Audio BC501-GR
Released in 2022

AEA TRP500 Microphone Preamplifier

The AEA TRP500 500-series preamp delivers 85 dB of quiet JFET gain, ultra-high 100 kΩ impedance, and a switchable high-pass filter, optimised for ribbons but exceptional with all microphones.
AEA TRP500
Released in 2022

TK Audio T-Komp 500 Comrpessor

The TK Audio T-Komp 500 has a unique design which offers a modern take on the old vari-mu ratio curve. The ratio is progressive and increases with the threshold level.
TK Audio T-Komp 500
Released in 2022

TK Audio TK-Lizer 500 Equaliser

The TK Audio TK-Lizer features all the power of the TK Audio’s flagship TK-Lizer, including the M/S functionality that has made it such a staple in studios all over the world.
TK Audio TK-Lizer 500
Released in 2022

TK Audio M/S Blender 500 Parallel Processer

The new TK Audio M/S Blender 500 Parallel Processer is a multi-functional parallel processing tool. A dual mono blender, a stereo blender and a M/S encoder/decoder in one.
TK Audio M/S Blender 500
Released in 2022

WesAudio Phoebe Microphone Preamplifier

The WesAudio Phoebe Microphone Preamplifier is a Class A microphone/line/instrument preamplifier with digital recall, in a compact 500 series chassis.
WesAudio Phoebe
Released in 2022

Weiss A1 Microphone Preamplifier

The Weiss Engineering A1 is a high-fidelity microphone and line preamplifier with Lundahl transformers, a discrete Class A design, and up to 60dB of clean gain. It features a precision digitally controlled de-esser, a -24dB pad, a selectable low-cut filter, and 48V phantom power. Designed for API 500-series racks, it delivers pristine, transparent sound for professional recording applications.
Weiss A1
Released in 2022

Solid State Logic Ultraviolet Stereo Equaliser

Solid State Logic Ultraviolet Stereo Equaliser takes the acclaimed minimum phase-shift Violet stereo EQ section from Fusion and puts it into 500-series format.
Solid State Logic Ultraviolet
7 / 97