Audiofab Frequency Distiller

Here’s what players say about the Frequency Distiller:

“As a stand alone evaluation, The Frequency Distiller is a powerful, facile, wondrous sounding device, that can elevate the impact of any instrument, in any genre. There is significant overlap in the results achieved with the Frequency Distiller and the Superfilter 2.”

“I purchased one of your Frequency Distillers last year, and I love it!”

“After a full week I’m absolutely loving this pedal. I think I need one or two more because there are so many settings that are just awesome.”

“An absolute tone monster and something I’ve dreamed about for like 25 years.”

Use Channel A on its own with a clean signal blend, Channel B on its own with a clean signal blend or activate Channels A+B in parallel and blend both filters along with your clean tone. The result is a highly customizable and musical EQ experience, ideal for studio, stage, or experimental setups.

A stereo input mode enables connection of an instrument with a TRS output jack so that two pickups are each processed by a different filter channel. The result is blended together into a mono output. When bypassed in stereo mode, the tip signal is switched to the output via true-bypass switching.

Features:

Super-flexible, dual-channel tone shaping for bass (or guitar)

Controls that go to “11” to give that little bit extra

Four filter types per channel: low-pass, high-pass, band-pass, and notch

Variable cutoff/center frequency: 40 Hz to 6 kHz

Adjustable resonance (Q): 1.0 (wide) to 5.5 (narrow)

Internal input gain selectors: 0 dB, +10 dB, +20 dB

True bypass switching with long-press mute function

High-quality jacks, switches, and potentiometers

9V external power supply, boosted internally to 26V for massive headroom

LED indicator: lights when pedal is engaged. Flashes when the pedal is muting.

Rugged Hammond 1590BB aluminum enclosure

Controls:

A | B | A+B Switch – Choose single-filter (A or B) or dual-filter (A+B) mode. In single-filter mode, only one channel is active; in A+B mode, both filters run in parallel (and both clean mix controls are active).

Mono | Stereo Switch – Selects mono versus stereo input operation. Note that in stereo mode, only the “tip” signal is switched to the output when the pedal is bypassed.

Clean Mix (A or B) – Adjusts the amount of clean signal blended with the filter’s output. This control now goes to 11, giving you one extra!

Gain – Controls the output level of each filter (A or B).This control now goes to 11, giving you one extra!

Frequency – Sets the center or cutoff frequency (in Hz) for the selected filter type.

Resonance (Q) – Adjusts how sharply the filter attenuates frequencies outside its passband (sometimes called “quality factor” or Q). Setting ranges from wide (0.5) to narrow (5.5).

Filter Type – Selects the filter shape: low-pass, high-pass, band-pass, or notch.

Footswitch – Tap to toggle between bypass and active. Hold to mute the output.

Power Supply Requirements:

The recommended power supply is a high quality (regulated), 9-volt (tip-negative, sleeve-positive) at 300 mA minimum.

Note that a power supply is not provided with the pedal.