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

API 512v Discrete Mic / Line Pre

The API 512v is a mic / line / instrument preamp, world famous for its ability to provide a low noise (-129 EIN) and unusually good sounding front end for all types of audio applications.
Released in 2021

API 550-DI Direct Input

Like the console-based API 205L, the API 505-DI is specifically designed to accept a guitar, bass or keyboard direct input while minimising any loading effect on Hi-Z instrument pickups.
Released in 2021

WesAudio Rhea Vari-Mu Tube Compressor

The WesAudio Rhea Vari-Mu Tube Compressor is a fully analogue, stereo vari-mu tube compressor with digital recall, in a compact 500 series format.
Released in 2021

API 527A Compressor Limiter

The API 527A Compressor/Limiter takes its place alongside the family of API VCA based compressors, including the 225L compressor and 529, 2500, and 2500+ stereo bus compressors.
Released in 2021

Solid State Logic E-Dyn Dynamics Module

The Solid State Logic E-Dyn Dynamics Module is an E-Series Dynamics Module providing Classic SSL analogue processing in 500-Series format.
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.
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.
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.
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.
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.
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.
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.
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