500 Series

The 500 Series format introduced modular studio processing within compact rack systems, allowing engineers to combine preamps, equalisers, compressors and other signal processors in interchangeable slots. Originally developed as part of console channel strip designs, the format evolved into a standalone modular ecosystem widely adopted in modern studio production.

This archive includes 500 Series modules and compatible rack systems used in professional recording environments. From vintage-inspired recreations to contemporary circuit designs, the 500 Series format provides flexible hardware processing within modular studio workflows.

Made In Poland

Released in 2019 /

WesAudio Prometheus Passive Equaliser

The WesAudio Prometheus Passive Equaliser is a ng500 fully analogue passive equaliser with digital recall, in a compact 500 series chassis.

Made In U.S.A.

Released in 2019 /

API 535-LA Line Amplifier

Modeled after API’s highly prized console-based 325 booster cards, the API 535-LA can both amplify and attenuate incoming and outgoing signals for ultimate flexibility, all while providing API’s trademark warmth and tone.

Made In U.S.A.

Released in 2019 /

API 512C Discrete Mic/Line Preamplifier

The API 512c 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.

Made In Canada

Released in 2019 /

Radial Engineering EXTC Guitar Effects Interface

The Radial Engineering EXTC is a unique 500 series module that allows you to connect guitar pedals to the inputs and outputs of pro audio equipment, providing the ability to incorporate effects pedals into your mix in new and creative ways.

Made In Poland

Released in 2019 /

WesAudio Calypso AD/DA Converter

The WesAudio Calypso AD/DA Converter is a digital audio interface designed to work in 500 series enclosure.

Made In U.S.A.

Released in 2019 /

Retro DOUBLEWIDE II Tube Compressor

Retro DOUBLEWIDE II is a premium, hand-wired 500 series tube compressor with upgraded speed and control, combining vintage tone and robust build quality in a compact dual-slot format.

Made In U.S.A.

Released in 2019 /

Chandler Limited TG Opto Compressor

The Chandler Limited TG Opto compressor is a handmade, fully discrete, mono, dual space module, designed for the 500 Series format.

Made In U.S.A.

Released in 2019 /

Retro 500PRE Microphone Preamplifier

Retro 500PRE is a 500 series tube preamp based on the Sta-Level, delivering rich detail, organic saturation, and natural limiting for both recording and mixing applications.

Made In U.S.A.

Released in 2019 /

Maag Audio EQ2-500 2-Band Equaliser

The Maag Audio EQ2-500 is a 2-band equaliser module that fits into a single slot of the popular 500VPR series racks. Many features and the design philosophies of the Maag Audio EQ4M standalone equaliser are incorporated into both the EQ2 and eqEQ-500 series equalisers.

Made In U.K.

Released in 2020 /

AMS/Neve AMS RMX16 Digital Reverb

What do you do when an old reverb is still so popular after nearly 40 years? You update it and release it once again. The AMS RMX16 was the world’s first microprocessor-controlled, full-bandwidth digital reverberator and characterised an enormous number of seminal recordings from the 1980s onwards. Its designer’s love for music and experience in the aerospace industry meant it was way ahead of its time on release.

Made In U.S.A.

Released in 2020 /

Avedis Audio E12G 12 Band Graphic Equaliser

The Avedis Audio E12G 12 Band Graphic Equaliser was designed for the need for a high-quality graphic equaliser in a 500 series module format.

Made In China

Released in 2020 /

Solid State Logic E-EQ E Series Equaliser

The Solid State Logic E-EQ E Series Equaliser offers unique response curves and tonal character, reproducing the legendary sonic signature of an early 80’s classic, the SL 4000 E console.