IGS 500 Series Modules
IGS 500 Series modules distil the brand’s analog design philosophy into the compact API format, offering powerful, space-efficient tools without compromising sound quality or build integrity. Each module delivers classic tone with modern reliability.
All IGS 500 Series modules are precision-crafted in Europe.
S-Type 500 VU
Stereo VCA Compressor
S-Type 500 VU is a transparent stereo buss compressor inspired by legendary British console designs, delivering controlled dynamics, low noise performance, and musical glue with flexible sidechain filtering.
ONE LA 500
Classic Tube Opto-Compressor
ONE LA 500 is a high-voltage tube optical compressor for the 500-series, delivering smooth, musical leveling with iconic simplicity, transformer-balanced tone, and unmistakable analog warmth for vocals and instruments.
RB 500 ME
Stereo Pultec Style EQ
RB 500 ME is a mastering-grade stereo passive equalizer in double-slot 500 format, combining classic 1960s EQ curves, transformer-balanced I/O, and class-A drive for precise, musical tone shaping.
Tubecore 500
Pure Tube Vari-Mu
TUBECORE 500 is a true vari-mu tube compressor for the 500-series, offering rich harmonic compression and smooth dynamics control for tracking or mastering when used individually or as a matched stereo pair.
NE573
Classic Microphone Preamplifier
NE573 is a classic transformer-balanced Class-A microphone preamp inspired by vintage British designs, delivering punch, weight, and unmistakable analog character for vocals, drums, and instruments.
573EQ
Classic Inductor Equalizer
573EQ is a four-band inductor equalizer inspired by the legendary 1073, delivering musical low end, precise midrange control, and open, airy highs with modern stepped precision.
A-Type 525
Discrete VCR Compressor
A-Type 500 is a fully discrete compressor/limiter inspired by classic American feedback designs, offering fast, musical dynamics control with intuitive operation in a compact and reliable 500-series format.
576 Blue Stripe
Rev A FET Compressor
576 Blue Stripe is a FET compressor inspired by the iconic 1176 Revision A, combining ultra-fast transient response, Class-A tone, and modern features including a versatile Slam Mode.
572 Red Stripe
Full Tube Preamp
572 Red Stripe is a tube mic and instrument preamp for the 500-series, delivering rich saturation, stepped precision, and versatile recording options including transformer-balanced I/O and front-panel Hi-Z input.
BISON 500
Parallel Mixer with Mid/Side Processing
Bison 500 is a Mid/Side processor with parallel blend control, transforming dual-mono compressors into powerful stereo and M/S dynamics tools for creative mixing and spatial control.
EQM500
Highlight or Subdue Vocals
EQM500 is a passive midrange equalizer inspired by 1950s American designs, delivering musical body, presence, and precise resonance control across vocals, instruments, and full mixes.
iQ505
5-Band Fully Parametric EQ
iQ505 is a five-band fully parametric equalizer in 500-series format, offering wide frequency coverage, transparent tone shaping, and surgical precision for corrective and creative studio applications.
Photon 500
LED Opto-Compressor
Photon 500 is an optical compressor inspired by classic 1960s designs, delivering smooth, program-dependent gain reduction through opto-coupled dynamics and transformer-balanced output stages.
Alter 500
Classic FET Compressor
Alter 500 is a FET compressor for the 500-series, offering stepped control, fast attack and release options, and Slam Mode for aggressive, punchy, or controlled compression styles.
RB 500
Single Pultec Style EQ
Rubber Bands 500 is a compact passive equalizer inspired by vintage Pultec designs, delivering musical low-frequency shaping, transformer-balanced character, and true bypass in a single-slot format.
Vanad 500
Microphone Preamplifier
Vanad 500 is a transformer-balanced mic and instrument preamp for the 500-series, offering stepped gain control, tonal flexibility, and a convenient front-panel Hi-Z input for modern studios.