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DOD 440 Envelope Filter


Dolphin id:105690 Product SKU:0003

Call for availability: 0151 448 2080

The DOD 440 Envelope Filter is a legendary, vintage effects pedal, that for years has been sought-after for players looking to recreate sounds similar to what Radiohead's Jonny Greenwood achieved in songs such as Lucky and Paranoid Android.

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The DOD 440 Envelope Filter is a great, and welcome, reissue of a classic effects pedal.  Almost like an auto-wah with hints of a ring modulator, this is a quite unique FX, that can sound extreme but also subtle. Very versatile and perfect tool for a creative player, so it's no wonder it has been, for years, one of the trademark sounds used by Jonny Greenwood of Radiohead.

This pedal makes your guitar speak with vowel-like sounds, and cry with slow-filter sweeps that react to your pick attack.  The new addition of the up and down switch lets you choose which part of the sweep you want to emphasize.  Guitarists will love the UP setting for classic envelope quack.  Bassists will love the DOWN setting for big dub sub thunder. 

The DOD Envelope Filter 440 (2014) has Level and Range controls. Level controls the sensitivity of the envelope; adjust this control to tailor the triggering of the filter based upon your pick attack.  With a higher sensitivity, a lower signal will affect the envelope's effect. In other words, with a higher sensitivity you don't have to pluck as hard to make the effect audible.  Range controls the range of movement of the envelope's sweep. Counter-clockwise sweeps more low frequencies.  Clockwise sweeps more high frequencies.  The Voice switch allows you to choose which part of the filter sweep you want to emphasize.  True bypass allows your guitar tone to remain pristine even when the new DOD 440 (2014) is off.  This is a big difference from the original which would color your bypassed tone. The modern 9V DC power supply input make the pedal more pedalboard friendly.


  • Classic funky quack or swept filter tones that react to your picking dynamics
  • New Up/Down switch allows you to choose which part of the sweep to emphasize
  • True bypass, 9V DC power supply jack
  • Crisp blue status LED
  • Lighter aluminum chassis

£ 89.00 Web price, inc VAT

Ex Vat:
£74.17, VAT at 20.00%
x £ payments + £ deposit
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Call for availability: 0844 815 0888


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