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Octave · Ashdown

Ashdown PRO-FX-Sub Harmonic Generator

The Ashdown PRO-FX-Sub Harmonic Generator is an octave pedal that produces sub-octave frequencies blended with the original signal to add low-end depth. It features controls for sub-octave level, clean signal, and overall output level.

  • 9V DC · center −
  • 30 mA
  • Mono
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The rundown

Highlights

  • Generates sub-octave frequencies for extended low-end
  • Blendable clean signal mixed with the effect
  • Three controls: Subs, Clean, and Level
  • Compact footprint at 72.9 x 115.1 mm
  • Runs on standard 9V DC power

Best for

Bassists and low-register guitarists seeking to add sub-octave depth to their signal.

Quick facts

Power
9V DC
Current draw
30 mA
Polarity
Center negative
Dimensions
72.9 × 115.1 mm
Controls
Subs, Clean, Level
Stereo
No
MIDI
No
Status
In production

Where to buy Ashdown PRO-FX-Sub Harmonic Generator

$149.99 lowest new price · Reverb

Current offers
SellerConditionPriceLink
ReverbNew$149.99View
ReverbNew$169.99View

Prices last checked 20 hours ago. Links to sellers are affiliate links.

Frequently asked questions

What power supply does the Ashdown PRO-FX-Sub Harmonic Generator use?

The Ashdown PRO-FX-Sub Harmonic Generator runs on a 9V DC power supply with 30 mA draw and center-negative polarity.

What are the main controls on this pedal?

The Ashdown PRO-FX-Sub Harmonic Generator has three controls: Subs, Clean, and Level.

Does this pedal support MIDI or stereo?

No, the Ashdown PRO-FX-Sub Harmonic Generator does not feature MIDI control or stereo capability.

Similar pedals

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Specs from pedalfilter. Summary written by PedalBro from those specs and public descriptions.

Page last updated September 29, 2026.