Walrus Audio Canvas RE-amp

Re-amping: the studio technique that makes your takes sound "like a real amp"

Re-amping has become essential in both home and professional studios: you first record a clean (DI) guitar track, then later send it back through your actual chain (pedals, amp, cabinet, mic). The result: you save valuable time, can compare multiple settings, and adjust the tone afterward without having to replay the part.

The key point is matching: an audio interface output does not naturally drive a guitar amp input. This re-amp pedal bridges the two worlds by converting impedance and offering practical tools (phase, filter, ground isolation) that prevent common issues like buzz, hum, or excessive levels.

Who is it for, what styles, and in which contexts?

This pedal is designed for guitarists, producers, and sound engineers who want to shape an amp tone with the flexibility of digital. It's ideal if you work in a DAW, record at times when you can't crank an amp, or want to keep a clean track while exploring more radical sounds later.

Rock, blues, metal, indie, funk, post-rock, ambient: re-amping suits all styles because it doesn't impose a color. It fits equally well in a live setup (to route playback or a processing track to an amp) or on a studio pedalboard at the heart of an analog effects chain.

Controls and features: designed for a frictionless workflow

The Volume knob allows precise adjustment of the output level to drive your pedals as if coming directly from a guitar. This is crucial to regain the right "feel": overdrive response, compressor threshold, fuzz intensity, and overall interaction with an amp input.

The Ground Lift switch eliminates ground loops, often responsible for hum when connecting computer, audio interface, and amp. The Phase switch helps align signals when mixing multiple sources (e.g., mic signal + DI track or two mics). The Mute mode secures patch changes and handling, while the HPF (High-Pass Filter) cleans unwanted low frequencies before hitting an effects chain or amp.

The connectivity is designed for plug-and-play: input via female XLR or 6.35mm mono Jack from your audio interface, then output via 6.35mm mono Jack to your pedals or amp input.

Sound quality

The goal of a good re-amp pedal is to be transparent, and that's exactly the approach here: a linear frequency response from 20 to 20,000 Hz to avoid "re-equalizing" your take, and custom transformers that prioritize stable, detailed reproduction with low harmonic distortion.

In use, you get a clear attack, coherent dynamics, and especially a more natural interaction with level-sensitive pedals (fuzz, overdrives, compressors). Settings become more predictable: gain behaves as expected, delays and reverbs stay clean, and the feel under your fingers remains credible when comparing multiple amp setups from the same recorded take.

Technical specifications

Effects	Preamp	Type	sector
Technology	Analog	Use	electric guitar
Format	Pedal	Color	Black

Passive version	no power supply required	Output	6.35mm mono Jack
Linear frequency response	20 - 20,000 Hz	Dimensions (L x W x H)	12.1 x 6.6 x 3.6 cm
Control	Volume	Weight	345 g
Switches	Ground Lift, Phase, Mute, HPF (High-Pass Filter)	Passive operation	0 mA
Inputs	6.35mm mono Jack, female XLR