Outboard

Hlabs EQ169 - 500-format 3-band EQ based on the Studer 169 The Hlabs EQ169 is a simple but very musical 3-band equalizer, featuring a semi-parametr...

Elysia NVELOPE-500 - Stereo Impulse Shaper 500-Series Module - B-Stock The Elysia NVELOPE-500 is a powerful audio processor capable of making subtl...

AEA TRP500 Preamp Module - Lunchbox 500 Series - B-Stock The AEA TRP500 is a 500 series preamp that delivers neutral, but rich and musical tonality...

Heritage Audio OST8 ADAT - 8 Slot 500 Series OST Enclosue with ADAT Out The Heritage Audio OST8 ADAT is an 8 slot 500 series chassis that features ...

H2 Audio Helios 002 - 2 channel 11 series rack w/PSU The H2 Audio 002 is a 2 channel rack for 11 series modules such as the Helios 2128, 0011 and 5...

Rupert Neve Designs 551 500 Series Inductor EQ - B-Stock (Ex Demo) The Rupert Neve Designs 551 is a 500 series 3 band EQ the features custom-wound ...

API 527A - Compressor / Limiter - 500-Series Module The API 527A is mono VCA based compressor limiter designed in the 500 series format. The 527A f...

Alice 501T - 500-Series Mic Pre with Transformers The Alice 501T is a high-performance transformer balanced microphone preamplifier. The 501 T is d...

Heritage Audio '73 JR II - 500 Series Mic Preamp Module The Heritage Audio '73 Jr II is a 500 series, 1073 style mic pre-amp that employs fully dis...

Wunder Audio Allotrope EQ The Wunder Audio Allotrope EQ is a classic inductor-based Baxandall equalizer with has the same EQ circuit as the Wunder ...

Warm Audio WA12-500 The Warm Audio WA12 500 is a mic pre and DI based on the classic 312 style preamp built in 500 series, lunchbox format. The War...

TK Audio TK-LIZER 500 The TK AudioTK-lizer 500 is a 500 series TK Lizer that features all the power of the TK Audio’s flagship TK-lizer does, inclu...

Radial Engineering X-AMP-500 The Radial X-AMP-LB is a 500 series module that lets you take a pre-recorded guitar track and send it back to amplifie...

The Radial Workhorse Powerstrip is a 19", three module power rack designed for 500-series modules. Single RU power rack houses three 500 series mo...

The Radial Powerhouse is a 10 module 500 series power-rack designed to accommodate both older and newer 500 series modules in a standard 19" rack ...

Phoenix Audio Gyrator EQ 500 The Phoenix Audio Gyrator-EQ-500 is one of the most unique and musical EQs, allowing an incredible variety of sounds u...

Kush Audio Omega - Mic Pre 500-Series Module The Kush Audio Omega is a single width 500-series mic pre module which captures silky smooth, widely e...

IGS Rubber Bands 500 ME The IGS Rubber Bands 500 ME is a stereo equalizer packed into a duo 500-series module. This beast is equipped with transfor...

Great River 32EQ - Harrison 32 Series Classic EQ - 500-Series Module The Great River 32EQ is a 500-Series module version of the EQ and filters from...

Fredenstein Bento 10 S - 10 slot 500 series rack The Fredenstein Bento 10S is a high performance module carrier for Fredenstein Series 500 modules ...

Empirical Labs DocDerr The Empirical Labs DocDerr is a channel strip consisting of a pre-amplifier, 4 band EQ and compressor that is all packed int...

Elysia Skulpter 500 The Elysia Skulpter 500 is a discrete class-A mono preamp designed for a 500 series lunchbox. Its audiophile preamp is based on...

Elysia Mpressor 500 The Elysia Mpressor 500 is a discrete class-A mono compressor built into a 500 series sized chassis for easy integration into y...

Avedis E27 - Discete 3-Band Transformer Balanced EQ - 500-Series Module The Avedis E27 is a high quality modular equalizer in the popular and conve...

API 565 - Discrete Filter Set - 500-Series Module The API 565 Filter Bank is a 500-series module featuring sweepable high-pass and low-pass filters...

The API 550 EQ played a major part in the history of music recording in the USA during the 60's and 70's. Originally conceived for use in API's con...

API 525 Originally released in the 70's, the API 525 is a "feedback" type compressor, such as the 1176 and 660, etc. An input (threshold) control a...

Interphase Audio Iridium 500 - 4-Band Inductive Equaliser (Dark) The name Iridium is based on “Iris”, the Greek goddess of the rainbow. And that is...

Interphase Audio Iridium 500 - 4-Band Inductive Equaliser The name Iridium is based on “Iris”, the Greek goddess of the rainbow. And that is exactl...

Interphase Audio Helium 500 - 4-Band Hybrid Equaliser (Dark) The Interphase Helium is a full Class-A, discrete design, and all components have been...

Interphase Audio Helium 500 - 4-Band Hybrid Equaliser The Interphase Helium is a full Class-A, discrete design, and all components have been carefu...

Interphase Audio Carbon 500 - 4-Band Capacitive Equaliser (Dark) The Interphase Carbon is your basic building block, your “go to” EQ with it’s four...

Interphase Audio Carbon 500 - 4-Band Capacitive Equaliser The Interphase Carbon is your basic building block, your “go to” EQ with it’s four large ...

Kahayan Epsilon 32-500 Summing Mixer w/SOLID 4000 500 series modules Kahayan Audio Epsilon 32-500 with Solid 4000 Modules is a 32-channel analog su...

Heritage Audio GRANDCHILD 670 - NEW PRODUCT The Heritage Audio GRANDCHILD 670 is a faithful re-creation of the legendary Fairchild Vari-MU compress...

Maag PREQ2-500 Microphone Preamplifier The Maag PREQ2-500 Microphone Preamplifier is the powerful little 500 Series brother to the PREQ2, boasting ...

Cranborne Audio 500ADAT - 8-slot 500 series Rack with ADAT Expander & Summing Mixer - B-Stock The Cranborne Audio 500 ADAT is an 8-in/8-out ADA...

Alice 538T - 500-Series Stereo OPTO Compressor with Transformers The Alice 538T is a stereo 500 series Optical compressor. This unique design is a ...

Hlabs PRE169 - 500-Format Mic Pre with Carnhill output transformer The PRE169 is a very versatile microphone preamp. With over 67dB of gain, it sou...

API Select SV14 - Parametric EQ - 500 Series The API Select SV14 is a four band parametric EQ, re-engineered  from the highly sought-after APSI 562...

API Select SV12 - Compressor - 500 Series The API Select SV12 is a mono channel compressor in 500 series format, featuring the original compressor ...

AEA TRP500 Preamp Module - Lunchbox 500 Series The AEA TRP500 is a 500 series preamp that delivers neutral, but rich and musical tonality with up t...

H2 Audio Helios 0011 500-Series Microphone Preamp and EQ The H2 Audio Audio 0011 is a 500 series preamp and EQ recreation of the Helios console cha...

H2 Audio Helios 2128 500-Series Microphone Preamp The H2 Audio 2128 is a 500 series preamp based on the iconic Helios type 69, found in the Helios ...

H2 Audio Helios 5011 500-Series EQ The H2 Audio 5011 is a faithful recreation of the the legendary Helios Type-69 EQ found in the Helios console at...