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 U.S.A.

Released in 2007 /

Grace Design M501 Preamplifier

Presenting the Grace Design M501, our 500 series module version of the venerable m101 mic preamplifier. Now the signature transparency and detail of our circuit designs is available for your 500 series collection.

Made In U.S.A.

Released in 2009 /

Chandler Limited Little Devil Pre Amp

Chandler Limited Little Devil Pre-Amp – this might be the best piece of Chandler gear yet! What makes the Little Devil Pre so special? Well, several things.

Made In U.S.A.

Released in 2009 /

Chandler Limited Little Devil EQ

The Chandler Limited Little Devil EQ is a small package with a huge sound. It is a Chandlerised British console sound in a 500 package.

Made In U.S.A.

Released in 2009 /

Chandler Limited Little Devil Compressor

The Chandler Limited Little Devil Compressor is a mixture of all that is Chandler. It combines elements of our LTD-2 and Germanium Compressor, as well as 2264 and 33609 units, into an all-new compressor for a 500 format. Discrete transformer sound and handmade quality are the make-up of the Devil Comp.

Made In U.S.A.

Released in 2010 /

Dramastic Audio Obsidian 500 Stereo Bus Compressor

The Dramastic Audio Obsidian 500 Stereo Bus Compressor was the world’s first stereo bus compressor for the 500 series rack format.

Made In U.S.A.

Released in 2010 /

Shadow Hills Dual Vandergraph Stereo Compressor

The Shadow Hills Dual Vandergraph continues the legacy of the acclaimed Shadow Hills Mastering Compressor, renowned for its unparalleled quality and exceptional performance.

Made In Canada

Released in 2011 /

Radial Engineering X-Amp Reamper

The Radial Engineering X-Amp Reamper is a 500 series module that lets you take a pre-recorded guitar track and send it back to amplifiers and effects so that you can tailor the sound to suit.

Made In Canada

Released in 2011 /

Radial Engineering Tank Driver Spring Reverb Interface

The Radial Engineering Tank Driver is a unique 500 series modules that allows you to drive balanced line level signals through guitar amp reverb tanks, optimised to work with both modern and vintage spring reverb models.

Made In U.S.A.

Released in 2011 /

AEA RPQ500 Microphone Preamplifier

The AEA RPQ500 delivers 81 dB of clean JFET gain, NoLoad™ high-impedance circuitry, and CurveShaper™ EQ in a 500-series module, optimised for ribbons but ideal for all microphones.

Made In U.K.

Released in 2012 /

Drawmer DS101 Noise Gate

The Drawmer DS101 is the first noise gate designed specifically for the 500 Series rack system and takes its place alongside the Drawmer family of industry standard Noise Gates, such as the DS201, DS501 and DS404. Anyone familiar with those units will immediately be at home with the DS101.

Explore the full Drawmer Pro Series Series

Made In Poland

Released in 2013 /

Looptrotter SATurAMP Saturator

The Looptrotter SATurAMP is a 500 series mic and instrument preamp with a SOWTER transformer, discrete class A design, and Looptrotter’s saturation circuit, offering powerful, detailed amplification with vintage-inspired harmonic warmth.

Made In U.K.

Released in 2013 /

Neve 1073LB Microphone Preamplifier

The Neve 1073LB Microphone Preamplifier is everyone’s favourite preamp, with 500 series convenience.