Common Noise Gate Pedal Mistakes to Avoid

A noise gate pedal is one of the simpler pedals to operate, but there are a handful of mistakes that consistently cause problems — some in the settings, some in the placement, and some in expecting the pedal to do something it cannot do.

Setting the Threshold Too High

This is the most common error. Players turn the threshold up until all noise disappears, then leave it there. The result is a gate that cuts into the natural decay of notes, chops off the ends of sustained chords, and produces a mechanical, unnatural feel during palm-muted passages. The threshold should be set to the minimum level that silences the noise during pauses — not the maximum level that produces a noise-free signal. Find the lowest setting that works, not the highest.

Using It to Fix a Noisy Power Supply

A gate silences noise between notes. It does not remove noise that is audible while you are playing. If your pedalboard power supply is generating interference that bleeds into your tone while you play, a gate will not solve that — it will only be silent when you are not playing. The real fix is a quality isolated power supply with separate, individually filtered outputs for each pedal. A gate used alongside a noisy power supply is a partial workaround at best.

Wrong Position in the Signal Chain

Placing the gate at the end of a long effects chain means it is tracking a processed signal with compression, reverb and modulation already applied. These effects sustain and alter the signal envelope, making accurate threshold tracking harder. For most setups, the gate should be placed before or around the gain stages, not after everything else. If your unit has a loop, use it: run the gain pedals through the loop so the gate can track the clean guitar directly.

Applying It Before Diagnosing the Noise Source

A noise gate pedal added before finding what is actually causing the noise leads to over-threshold settings and suboptimal results. Before adding any gate, remove all pedals, plug the guitar directly into the amp, and listen. Then add pedals back one at a time. This identifies whether the noise is from the pickups, a specific pedal, the power supply or the venue mains. Once the source is known, you can decide whether a gate is the right solution or whether addressing the source directly is more effective.

Expecting It to Remove Noise During Playing

Players sometimes expect the gate to silence hum while they are actively playing — to run silently at all times. This is not how a gate works. The gate only closes when the signal drops below the threshold; while you are playing, the gate is open and any noise present in the signal passes through. If noise is audible during playing, it needs to be addressed at the source. Shielded pickups, shorter cable runs, quality power supply isolation and avoiding certain RF-interference-prone environments are the actual solutions.

Not Checking the Settings After Changing the Rig

A threshold setting calibrated for one guitar and one overdrive pedal needs checking whenever the rig changes. A different guitar with different output, a different gain pedal, a different amplifier setting, a different venue — all of these affect the noise floor and how the gate behaves. Players who set and forget often find the gate performing poorly in new situations that weren’t accounted for. Build checking the gate settings into your regular soundcheck.

For a technical overview of how these pedals work, see our noise gate pedal overview. For buying guidance, read the buyer’s guide and for setup, the beginner’s guide.

Frequently Asked Questions