Mic Pre with Texture

Passive Pultec-inspired Equalizer

FET compressor/limiter

Speck

Compressor

Dual-channel 500 Series Class A mic pre

Opto-cell limiter

Tone Shaping Microphone Preamp

Bus Compressor

553 style equalizer

Recreation of the vintage API 553 EQ

stereo bus compressor

6 band equalizer with AIR BAND

Single channel tube compressor

Passive Equalizer

DIY 500 Series FET Compressor

500 Series 4-band Single-channel Equalizer

DIY 500 Series FET Compressor

DIY 500 Series Opto Compressor

Tape Emulator with variable Silk/Texture control

2 stage mic preamp

The only sweepable parametric EQ that API has ever made.

compressor/limiter/expander/gate module from the 90's

Single channel pure tube preamp

Stereo VCA Compressor

500 Series G-series Stereo Bus Compressor with Six Ratio Settings and Five Release...

Multi-band compressor/enhancer

Single-channel compressor module

Single-channel compressor module

high-performance bus compressor

Solid State Logic 611DYN E Series Dynamics Module

Solid State Logic E Series EQ Module

Single Channel Mono Pre-Amp

Single Channel Discrete Optical Compressor

Mono optical compressor based on the classic LA tube opto compressor

Pre Amp

Equalizer