Products

API 508 - 18 Pack of Module Screws The API 508 18 Pack is a packet of 500 series module screws. 500 series screws can be hard to find so this packe...

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 8P 500-Series Lunchbox - Used This is a used item in great condition, with some minor marks. Includes rack mount kit & power supply. 8-slot...

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 SR22 - Dual Channel Compressor The API Select SR22 is a Dual Channel Compressor featuring two channels of API’s patented award winning V...

API Select SR24 - Dual Channel Equalizer The API Select SR24 is a two channel, four band equalizer in a two rack-space chassis. With a dedicated kn...

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...

API Select T12 - 2 Channel Tube Mic Pre The API Select T12 is a classic 2-channel, all-tube, Class-A microphone preamplifierdesigned with API’s pro...