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Average Price: $775

High-end/Boutique

$100

$501+

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Price History

Based on price data from 2 merchants for "IGS Audio Alter 500 FET Compressor Limiter". Prices shown reflect NEW condition. Tracking began Apr 25, 2026.

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Description

Elevate your studio's dynamics with the IGS Audio Alter 500 FET Compressor Limiter, a robust entry in the realm of 500 Series modules. Drawing inspiration from the legendary Urei 1176, this compressor is a nod to the past with a modern twist, making it an essential component for any professional audio engineer or recording enthusiast. It retains the classic sound character while offering a streamlined, compact design tailored for today's modular setups.

The Alter 500 boasts stepped controls, allowing for precise adjustments to input, output, and ratio settings, ensuring you can dial in the perfect compression every time. Its intuitive VU meter provides real-time feedback, keeping you informed of your signal levels at a glance. Whether you're looking to tame dynamic vocals, punch up your drums, or add warmth to a mix, this unit delivers with clarity and precision.

Built with high-quality components, the Alter 500 promises durability and reliability, ensuring that your investment will stand the test of time. Perfect for any rack, this FET compressor is a versatile tool that fits seamlessly into your existing workflow, enhancing your sound with its distinctive tonal qualities.

Key Features:

  • FET compressor based on the classic Urei 1176 design
  • Stepped controls for input, output, and ratio settings
  • VU meter for easy signal monitoring
  • Compact 500 Series module design
  • High-quality build for durability and reliability

Product specs

Available since June 2016
Pre-Amp No
48 V Phantom power No
compressor Yes
limiter Yes
equalizer No
De-Esser No
other processors No
Rack/Frame No
supplies No

FAQs

What type of compression does the IGS Audio Alter 500 FET Compressor Limiter use?

The IGS Audio Alter 500 FET Compressor Limiter utilizes FET (Field-Effect Transistor) technology, known for its fast response and ability to add character and warmth to audio signals, making it ideal for dynamic processing in studio environments.

Is the IGS Audio Alter 500 suitable for use in a 500 series rack?

Yes, the IGS Audio Alter 500 is designed specifically for 500 series racks, allowing easy integration into modular studio setups.

Does the IGS Audio Alter 500 provide phantom power?

No, the IGS Audio Alter 500 FET Compressor Limiter does not offer 48 V phantom power, as it is a dedicated compressor/limiter unit without pre-amp capabilities.

Can the IGS Audio Alter 500 be used for both compression and limiting?

Yes, the IGS Audio Alter 500 functions as both a compressor and a limiter, offering versatile dynamic control for various audio processing applications.

What kind of sound character can I expect from the IGS Audio Alter 500?

The IGS Audio Alter 500 provides a warm and punchy sound character typical of FET compressors, making it suitable for adding energy and presence to vocals, drums, and other instruments.

IGS Audio

IGS Audio

ALTER 500 Demo Stereo

Video thumbnail for ALTER 500 Demo Stereo by IGS Audio

ALTER 500 Demo Stereo

IGS Audio

IGS Audio

Video thumbnail for IGS Audio Alter 500 Series Compressor @ ZenProAudio.com by ZenProAudio

IGS Audio Alter 500 Series Compressor @ ZenProAudio.com

ZenProAudio

ZenProAudio

Reviews

PROS

  • Surprising amount of control for its compact size

  • Delivers the bite expected from an 1176 compressor

  • Excellent compression level meter for precise monitoring

  • Warm sound despite aggressive compression capabilities

  • Top-notch build quality, well-constructed and robust

  • Rasterized knobs allow for easy recall of settings

  • Fast attack options suitable for most applications

  • 1:1 ratio available for signal enhancement without compression

  • Less noisy than expected, ideal for aggressive music genres

  • Perfect for kick drums and snares

CONS

  • Knobs have a slight play compared to other IGS gear

  • Limited to three fixed attack settings

  • May be too "slamming" for some tastes

Owner Insights

We analyzed real musician discussions from forums and Reddit to find what players love, question, and tweak about IGS Audio Alter 500 FET Compressor Limiter.

Features and functionality

  • The IGS Audio Alter 500 FET Compressor Limiter is praised for its performance on kick drums and vocals, highlighting its versatility in studio settings.

    Source

Comparisons

  • Owners find that analog compressors like the IGS Alter 500 can be pushed harder than digital plugins without degrading sound quality, offering a broader sweet spot.

    Source

Use cases and applications

  • The IGS Alter 500 is noted for its effectiveness on snare and dirty bass, alongside its primary use for kick and vocals, showcasing its multi-instrument compatibility.

    Source

User experience

  • Users appreciate the space efficiency of the 500 series format, making it ideal for smaller studios with limited rack space.

    Source

Value and pricing

  • A user reported acquiring the IGS Alter 500 for a reduced price by purchasing early, suggesting potential savings for early adopters.

    Source

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