Products

A-Designs EM PEQ - Based on Pultec EQP-1A - 500-Series Module The A-Designs EM PEQ is the first and only Pultec-style equaliser in a 500-Series for...

A-Designs P-1 - 500-Series Mic Pre Module The A-Design P-1 has the highest fidelity of all the A-Designs Audio 500 preamps, capturing the mojo of i...

AEA RPQ500 The AEA RPQ500 is a ultra-clean, high-gain preamp in a 500 series module. Featuring 81dB of gain and the AEA Curveshaper, capture every ...

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...

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...

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

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

AMS Neve RMX 16 500 Digital Reverb 500 Series Module The AMS RMX 16 has been relaunched with a modern 500 series format, the world first microproce...

API 312 - 500-Series Mic Pre Module The API 312 is 500 series adaptation of API's original 312 microphone pre-amp. The 312's design is based on Sa...

API 312 - 500-Series Mic Pre Module - B-Stock The API 312 is 500 series adaptation of API's original 312 microphone pre-amp. The 312's design is ba...

API 500 Series 550A - 3 Band Equalizer Few equalizers enjoy the respect and admiration of the coveted API 550A. Designed by the now legendary Saul ...

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 500-6B The API Model 500-6B Lunchbox is a six position rack designed to accept all API standard 5.25" X 1.5" modules. This allows an engineer t...

API 500V - 10 Slot Rack + L200PS PSU The API 500V is a rugged 10-slot, 3U rackmountable chassis for your modular 500 series gear. Powered by a tri-...

API 505 DI - Discrete DI - 500-Series Module The API 505 DI is a 500-series direct input module. The 505 DI is designed specifically for guitar, ba...

API 512C - 500 Series Mic Line Preamp/DI The API 512C is a mic/line/instrument preamp designed to provide a low noise, unusually good sounding fron...

API 512V The API 512v is a preamp for mic, line and instrument feeds, world famous for its ability to provide a low noise (-129 EIN) and unusually ...

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...

API 525A Mono Compressor - 500-Series Module Since the early 1970s and the subsequent re-issue over 20 years ago, the 525 Discrete Compressor has b...

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...

API 529 The API 529 is a 500-Series (2 slot) stereo compressor module that combines the convenience and popularity of the 500 Series format API's c...

API 529 Stereo Compressor 500-Series Module - B-Stock ---This unit has been unboxed and on display in our showroom. As new with full warranty. The ...

API 535-LA The API 535-LA is a line amplifier that includes a balanced input, a polarity switch, a 20dB pad for incoming signal attenuation and a t...

The lineage of the 5500 circuit can be traced back to the original 550 equalizer designed by Saul Walker, the founder of Automated Processes Inc. T...

API 550A - 3 Band EQ - 500-Series Module - B-Stock (Ex-Demo) Few equalizers enjoy the respect and admiration of the coveted API 550A. Designed by t...

API 560 - 10 Band Graphic EQ - 500-Series Module - B-Stock Originally conceived for use in API Consoles of the 60's and 70's, the API 560 re-issue ...

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...

API 5B1 Blank Panel This is a blank 500 series blanking panel that helps protect the internal connectors of unused slots in your 500 series lunchbox.

API 920-0859 The API 920-0859 is a pair or rack ears that are designed to be attached to the API lunchbox 500 series chassis allowing you to rack y...

API Lunchbox 8HC - 8 Slot Portable 500-Series rack with external Power Supply The API Lunchbox 8HC is an 8-slot 500-series chassis with DB25 connec...

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

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...

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...

Avedis MA5 - 500-Series Class A Mic Pre The Avedis MA5 is a 500 series module size Class A microphone pre-amplifier designed to mimic the character...

Avedis MD7 The Avedis MD7 is a professional preamp that addresses the features needed in op-amp based preamps and, more importantly, with a very mu...

Burl B1 - 500-Series Mic Pre with Nickel Output Transformer Capable of getting hairy or delivering light clarity as required, thanks to independent...

Burl B1D - 500-Series Mic Pre with Steel Output Transformer The Burl Audio B1D is an all discrete transistor, class-A, direct coupled, capacitor fr...

The Burl B4 4-channel MIC/LINE input daughter card for the B80 and B16 MOTHERSHIPs. The B4 boasts the new BX6 input transformer designed for true M...

The elixir preamplifier module is an excellent compliment to the "fatter" sound of many modules now available in the API 500VPR Series format and h...

The essence is a True Class A Optical Compressor designed to fit the API 500 VPR Series rack frames offering a great feature set in a compact packa...

The essence is a True Class A Optical Compressor designed to fit the API 500 VPR Series rack frames offering a great feature set in a compact packa...

The tonic offers 3 bands of equalisation with a versatile sweep midrange section and fixed two frequency high and low bands. The tonic also has a h...

The Germanium 500 is a 500-series compatible Germanium preamp. No circuit or transformer changes were necessary to adapt Chandler Limited designer ...

The Chandler Little Devil Compressor is a 500-Series module featuring a Fet Compressor using concepts from both the Chandler Germanium Comp and the...