This is a library of perfboard and single-sided PCB effect layouts for guitar and bass. I'm not an electrical engineer by any stretch of the imagination, just a DIY'er who likes drawing layouts. It is meant for the hobbyist (so commercial use of any of these layout is not allowed without permission) and as a way to give back to the online DIY community.

Thursday, April 30, 2015

Wampler Ecstasy

Here's another great overdrive from Wampler, with a wide range of tones to choose from. It has a simple 2-band EQ and a DPDT (on-off-on) switch to go between smooth clipping, no clipping, and hard clipping.



9 comments:

  1. Ok, I've just finished it, I've done yet three times using different layouts, I had always the same issue, dark sound and the sweep of the tone control wasn't that good. But , this time I've used this layout (thanks mate) and used:
    33nF for the input cap
    47 pF across pins 6&7
    and !!! the most important thing:
    Plastic 100pF instead of ceramics (the original have the same)
    10K lin pot for tone pot (some original used C25K, so 10K lin characteristic is a big part of the C25K )
    Cheers from Algeria;)
    Rafik.

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    1. Cool. Thanks for your notes and for verifying!

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  2. The cap 1uf is a polyester in the schemantic, help, here is a electroly

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    1. In my experience you can't tell a real audible difference between capacitor types. An electro will work just fine there and it saves space. If you want to use a film or other type of capacitor there you can.

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  3. Hi, would you please guys tell me what are the pcb dimentions of this?

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  4. Hey please what is the switching open / crunch. Thanks

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    1. The switch connects to the pads labeled Sw_. Follow the switch numbering diagram on the General Layout Notes tab and you should be good to go.

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  5. the ci is mc1458? I've seen cases that are using the 4558 or the 4580, which is the original? (I'm Brazilian, I translated this question via google translate).
    thank you!!!

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    1. It's possible Wampler has used all 3 chips at different times during production. Any of them will work and shouldn't require modification.

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