Tuesday, December 29, 2020

JOHN HORNBY SKEWES: Zonk Machine

The Hornby Skewes Zonk Machine is pretty much a MKI Tone Bender with some value changes - most notably the 1n capacitor on the input and resistors to collectors.

A classic guitar effect from back in the day.

HORNBY SKEWES ZONK MACHINE - ORIGINAL TAG BOARD LAYOUT

HORNBY SKEWES ZONK MACHINE TAG BOARD VINTAGE GUITAR EFFECT LAYOUT


TAG BOARD LAYOUT

There's enough room on a 12-lug tag board for all the components, so here it is...   probably worth adding an electrolytic from V+ to V- somewhere too.  Just keep in mind that you will need to leave room for mounting screws at either end, so bend around the holes a little.

I didn't include all the wiring - as you can see, there needs to be a few jumpers to connect V- and grounds.  I left them off to make it easier to read, assuming that people can work out what goes where on their own.  

HORNBY SKEWES ZONK MACHINE - TAG BOARD LAYOUT



Photos care of effects database.






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