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 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.
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.
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.
Released in 2023

Cranborne Audio Carnaby 500 Harmonic EQ

Cranborne Audio Carnaby 500 Harmonic EQ is a 3-band parametric EQ for the 500 series format with a unique and revolutionary EQ concept conceived and created by Cranborne Audio.
Released in 2023

Heritage Audio Grandchild 670 Compressor

Yes, the Heritage Audio Grandchild 670 is a 500 series module based on the praised Heritage Audio Herchild 670 stereo Vari-MU compressor. Let that sink in…it is an incredible feat of engineering to say the least!
Released in 2024

Harrison 32Cpre+ Microphone Preamplifier

The Harrison 32Cpre+ is a high-performance, transformer-coupled microphone preamplifier from the famous Harrison 32C console, in a 500 series format.
Released in 2024

Harrison MR3eq 3 Band Parametric Equaliser

The Harrison MR3eq is a 3-band parametric EQ with HP/LP filters originally developed for the Harrison MR3 studio console, in a 500 series format.
Released in 2024

Harrison Comp VCA Compressor

The Harrison Comp VCA Compressor is a classic feed-forward VCA compressor in a convenient 500 series format.
Released in 2024

Maag Audio PreQ2-500 Microphone Preamplifier

The Maag Audio PreQ2-500 is a single channel, 500-series version mic preamp with the same circuit topology and sound as our top-of-the line Maag Audio PreQ2 dual-channel strip with Air Band.
Released in 2024

Acme Opticom XLA-500 Limiter

Building on the renowned design of the Acme Opticom XLA-3, Acme Audio has meticulously adapted its topology into a compact two-slot 500 series module with the Acme Opticom XLA-500 Limiter.
Released in 2025

Drawmer MQ-1 Motown Equaliser

The Drawmer MQ-1 is a 500-series seven-band proportional-Q equaliser inspired by the classic Motown sound of the 1960s. It offers fully variable ±10dB boost or cut with automatic bandwidth adjustment for intuitive tonal shaping. The unique ‘CRUSH’ feature adds harmonic saturation, enhancing warmth and presence. Designed and manufactured in the UK, the MQ-1 delivers low-noise performance, a hard-wired bypass, and the renowned build quality expected from Drawmer.
Released in 2025

Drawmer MQ-2 Motown Equaliser

The Drawmer MQ-2 is a stereo 7-band proportional-Q equaliser and compressor for the 500-series, inspired by the classic 1960s Motown EQs. It offers fully variable ±10dB boost or cut, an intuitive one-knob compressor, and a ‘CRUSH’ feature for harmonic saturation. Users can switch the processing order between EQ and compression. Designed and manufactured in the UK, the Drawmer MQ-2 delivers high-quality, low-noise performance in a two-slot 500-series module.
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