7 of Dwarves Auto Wah
An updated and tweaked version of a 90's rackmount auto filter squeezed into a neat little 1590B package.
We won't lie - it's a fiddly beast to work with, requiring some fine tuning of the Bias and Sensitivity controls to get it to work nicely with individual guitars, but the results are worth it when you get the settings nailed. You could see this as either a pain or a blessing, as it means you can get all kinds of responses from it to suit your playing style. It's almost an instrument in itself. Just as good on bass as it is on guitar.
Once the above controls are tweaked, you have lots of scope for adjustment with Resonance and Decay settings. Several hours can easily be lost twiddling with different placing dynamics to explore the huge range of sounds you can get from this thing.
The kit is supplied with vertical-mount pots which have round shafts, so you'll need set-screw fitting knobs.
If you want the PCB without parts there's a link for that at the bottom of the page.
Partial kit: PCB, all board-mounted components, pots.
Full kit: As above, plus footswitch and appropriate daughterboard/components for your selected bypass type (see Downloads section for details of those), jack sockets, DC socket, battery snap, hook-up wire, LED.
Enclosure (pre-drilled) is available as an option with full kits, and will not take a battery. Knobs are not included.
Inspired by: Snow White Autowah
Difficulty: Medium
PCB size: 50 x 50mm
Knobs required: 4
Enclosure: 1590B
Direct-Connect compatible (4-way)
Download the INSTRUCTION PDF
7Dwar
Pedal Parts
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