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Average Price: $511
High-end/Boutique
$75
$151+
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Based on price data from 3 merchants for "ISP Technologies Hum Extractor + Decimator Noise Reduction System". Prices shown reflect NEW condition. Tracking began Apr 2, 2026.
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Description
When noise threatens to overshadow your musical brilliance, the ISP Technologies Hum Extractor + Decimator Noise Reduction System steps in as your silent guardian. This dual-channel powerhouse is designed to tackle the notorious power line frequency hum with ease, thanks to the patent-pending Hum Extractor technology. It's the perfect ally for guitarists who crave the pure, unadulterated tone of single-coil pickups but dread the accompanying noise.
The Hum Extractor + Decimator system doesn't just stop at hum removal. It incorporates the celebrated Decimator X noise suppression to ensure your riffs remain crisp and your sustains smooth, even through high-gain setups. Unlike traditional noise gates that rudely cut off notes, this pedal uses advanced vector integration to deliver adaptive release times, preserving the integrity of your performance.
With intuitive controls, including separate knobs for Hum Extraction and Decimator thresholds, you can fine-tune your rig to perfection. The HX Position switch offers placement flexibility, while the Input Gain knob and Level meter keep your signals in check. Whether you're taming a vintage amp's roar or insulating your rig from modern interference, this pedal ensures you can focus on what matters most: your music.
Key Features:
- Dual-channel noise reduction system with up to 80 dB noise reduction
- Patent-pending Hum Extractor for removing 50Hz/60Hz hum
- Decimator X technology for ultra-transparent noise suppression
- Separate Hum Extraction and Decimator Threshold controls
- HX Position switch for flexible placement in your effects chain
- Input Gain knob and Level meter to manage signal integrity
- Compatible with both single-coil and humbucking pickups
- Includes a 9V DC mains adapter
Product specs
| Pedal Type | Noise Reduction |
| Analog/Digital | Digital |
| Inputs | 1 x 1/4" (instrument), 1 x 1/4" (input2) |
| Outputs | 1 x 1/4" (guitar out), 1 x 1/4" (output2) |
| Bypass Switching | Buffered |
| Power Source | 9V AC 1.5A power supply (included) |
| Power Usage | 800mA |
| Height | 1.85" |
| Width | 7.15" |
| Depth | 4.5" |
| Weight | 1.2 lbs. |
FAQs
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How does the ISP Technologies Hum Extractor + Decimator reduce noise in my guitar signal?
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The Hum Extractor + Decimator uses advanced digital algorithms to eliminate hum and noise from your guitar signal without affecting your tone, providing a cleaner sound.
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Can the ISP Technologies Hum Extractor + Decimator be used with both electric guitars and bass guitars?
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Yes, the Hum Extractor + Decimator is suitable for use with both electric guitars and bass guitars, effectively reducing noise in both types of instruments.
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What type of power supply does the ISP Technologies Hum Extractor + Decimator require?
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The Hum Extractor + Decimator requires a 9V AC 1.5A power supply, which is included with the pedal.
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Is the ISP Technologies Hum Extractor + Decimator compatible with other pedals in my signal chain?
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Yes, the Hum Extractor + Decimator is designed to work seamlessly with other pedals in your signal chain, providing noise reduction without interfering with your effects.
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Does the ISP Technologies Hum Extractor + Decimator offer true bypass switching?
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The Hum Extractor + Decimator features buffered bypass switching, which helps maintain signal integrity even when the pedal is not engaged.
Reviews
PROS
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Eliminates 95% of noise, even in high interference areas
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Can handle severe EM/RF interference effectively
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Two-stage process targets specific frequency noise and general gain-related noise
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Transparent noise gate, preserving guitar tone
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Ideal for high-gain situations, maintaining dynamic sound
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Works exceptionally well with both humbuckers and single coils
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Provides a true zero parasitic noise experience in hardware setups
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Unmatched in targeting and eliminating 50/60Hz parasitic noise
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Enhances live performances and studio recordings by reducing unwanted noise
CONS
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Setup requires precise tuning to find optimal performance
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Not straightforward for DAW-only environments without additional plugins and routing
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Initial setup can be time-consuming and complex
Owner Insights
We analyzed real musician discussions from forums and Reddit to find what players love, question, and tweak about ISP Technologies Hum Extractor + Decimator Noise Reduction System.
Features and functionality
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The ISP Hum Extractor + Decimator G pedal is considered the most comprehensive noise reduction solution currently available, surpassing competitors in effectiveness.
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The Decimator X includes an advanced adaptive release mechanism designed to offer a more natural sustain by tracking playing dynamics.
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Use cases and applications
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The ISP Decimator II G String is effective for setups requiring simplicity, with a recommended configuration of guitar -> Decimator -> distortion -> Decimator -> time effects -> amp.
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The ISP Decimator II G String struggles with clean, ambient tones due to choppy sustain decay, making it less suitable for post-rock or ambient music styles.
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Owners report that the Decimator II G String excels in high-gain, metal settings, effectively reducing noise while maintaining tone during overdriven and distorted sounds.
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The Decimator may not be optimal for single coil setups with clean tones; alternatives like the Ilitch noise cancelling system can provide quieter operation without sacrificing tone.
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Comparisons
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The ISP Decimator is often compared to the TC Sentry, with some preferring the Sentry for its flexibility and others valuing the Decimator's simplicity and effectiveness.
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After trying the Fortin Zuul, some users returned to the ISP Deci-mate G Micro, finding it allows notes to ring out longer, which is crucial for certain playing styles.
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The Decimator X is noted for potentially improving upon the sustain cut issues found in earlier models like the Decimator II G String.
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User experience
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Some users note that the original Decimator could overly suppress signals on clean channels, a flaw reportedly improved in later models like the G String II.
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Owners of the ISP Decimator II appreciate its robust build quality; one reported minimal damage after dropping a 5150 in a road case onto it.
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Some users are actively comparing the Decimator II G String and Decimator X, seeking better deals on platforms like Reverb for used gear.
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