madbeanpedals::forum

Projects => How Do I? Beginner's Paradise. => Topic started by: cpsmusic on August 23, 2014, 06:53:51 AM

Title: Suggested Pots for Chunk Chunk
Post by: cpsmusic on August 23, 2014, 06:53:51 AM
Hi,

I've finally got around to building my Chunk Chunk. I've assembled the board however I've bought the wrong type of pots - the lugs have a 90 degree bend but they have eyelets rather than pins. Also, the eyelets don't go past the base of the pot so even if they were pins they wouldn't be long enough for mounting.

Could someone point me to the right sort of pots to mount on a Chunk Chunk board. BTW, I'm in Melbourne, Australia.

Cheers,

Chris
Title: Re: Suggested Pots for Chunk Chunk
Post by: madbean on August 23, 2014, 07:10:37 AM
Chris,

You can still use the lug pots. Just make small wires to go between the pots and pads on the PCB as if they were mounting pins. I do this all the time when I run out of right angle mounted ones. And, they are very stable this way.
Title: Re: Suggested Pots for Chunk Chunk
Post by: mgwhit on August 23, 2014, 09:51:49 AM
What Bean said, but I use cut off resistor leads for this.
Title: Re: Suggested Pots for Chunk Chunk
Post by: madbean on August 23, 2014, 10:21:14 AM
What Bean said, but I use cut off resistor leads for this.

Yup, even better.
Lately I have been using 22g buss wire. There is nothing I hate more than stripping and soldering wires.
Title: Re: Suggested Pots for Chunk Chunk
Post by: cpsmusic on August 23, 2014, 05:48:22 PM
Thanks!

I was thinking that stiffer wire would be better. I had the resistor lead offcuts but I threw them out - doh! I'll dig out some stiff wire from somewhere.

Out of interest, what are the right sort of pots for the Chunk Chunk?
Title: Re: Suggested Pots for Chunk Chunk
Post by: mgwhit on August 23, 2014, 06:59:34 PM
Sorry!  Forgot that that's what you were asking in the first place.  Look for "PCB terminal" pots like this (http://www.pedalpartsplus.com/mm5/merchant.mvc?Screen=CTGY&Store_Code=PPP&Category_Code=POT16PCB).
Title: Re: Suggested Pots for Chunk Chunk
Post by: blearyeyes on September 09, 2014, 07:23:46 PM
I learned about wiring solder lug pots for PC right angle from a Mad Bean tutorial and an unintentional benefit is they are more forgiving when you drill your enclosure. If your a little off, the wired pots move more easily to accommodate the differences.
Title: Re: Suggested Pots for Chunk Chunk
Post by: cpsmusic on September 09, 2014, 08:45:48 PM
I learned about wiring solder lug pots for PC right angle from a Mad Bean tutorial and an unintentional benefit is they are more forgiving when you drill your enclosure. If your a little off, the wired pots move more easily to accommodate the differences.

Whereabouts is the tutorial?
Title: Re: Suggested Pots for Chunk Chunk
Post by: blearyeyes on September 09, 2014, 08:50:36 PM
It was a build tutorial for the ZeroPoint SDX I'll see if I can find it.


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Title: Re: Suggested Pots for Chunk Chunk
Post by: blearyeyes on December 10, 2014, 08:31:15 PM
This is one of Brian's build reports where he uses solder lug and make them into PC mount pots:


http://www.madbeanpedals.com/builds/reports/zpsdx/index.html (http://www.madbeanpedals.com/builds/reports/zpsdx/index.html)
Title: Re: Suggested Pots for Chunk Chunk
Post by: cpsmusic on December 11, 2014, 05:09:48 AM
Thanks! Nice build report - I learn a lot from these.