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prickly_robot
PostPosted: Wed Jun 25, 2014 8:50 am 
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My friend was asking me about the possibility of doing some built-in effects (probably a Phase 90 and some kind of distortion) on his pedal steel. I took a quick look and it seems like there's room on the bottom for PCB's and such.

The issue would be trying to mount controls (pots and probably a toggle for bypass) on the top for him. I'd have to go back and measure the panel for its exact thickness, but it's definitely too thick for normal pots/switches. So I was wondering if anyone knows a good source for pots and toggles with extra long shanks. Kind like this: http://www.acehardware.com/product/inde ... pla_997453 but, ya know, more suitable for effects use.

I've done the normal Googling and Ebay searching, without a lot of luck so far. Any tips would be appreciated.

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crbmoa
PostPosted: Wed Jun 25, 2014 11:24 am 
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prickly_robot wrote:
My friend was asking me about the possibility of doing some built-in effects (probably a Phase 90 and some kind of distortion) on his pedal steel. I took a quick look and it seems like there's room on the bottom for PCB's and such.

The issue would be trying to mount controls (pots and probably a toggle for bypass) on the top for him. I'd have to go back and measure the panel for its exact thickness, but it's definitely too thick for normal pots/switches. So I was wondering if anyone knows a good source for pots and toggles with extra long shanks. Kind like this: http://www.acehardware.com/product/inde ... pla_997453 but, ya know, more suitable for effects use.

I've done the normal Googling and Ebay searching, without a lot of luck so far. Any tips would be appreciated.


If your local Radio Shack still has any DIY parts bins, those are actually a great source for pots and switches with ridiculously long shafts.

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prickly_robot
PostPosted: Wed Jun 25, 2014 2:33 pm 
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crbmoa wrote:
If your local Radio Shack still has any DIY parts bins, those are actually a great source for pots and switches with ridiculously long shafts.
Yeah, I thought of that at first, too. But I'd actually need the threaded part to be extra-long, as opposed to just the shaft.

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prickly_robot
PostPosted: Wed Jun 25, 2014 4:05 pm 
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Bit more digging turned up this: http://www.guitarelectronics.com/produc ... Shaft.html
I wonder if I could us the switch part to wire up bypass? Not sure how the terminals on a push-pull are configured exactly...

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crbmoa
PostPosted: Wed Jun 25, 2014 4:16 pm 
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prickly_robot wrote:
Bit more digging turned up this: http://www.guitarelectronics.com/produc ... Shaft.html
I wonder if I could us the switch part to wire up bypass? Not sure how the terminals on a push-pull are configured exactly...


The switch on that pot is a DPTP.

Probably not what you are looking for unless you are advanced enough to implement a Millenium Bypass or something similar.

A little light reading on switches <<link

Typical True Bypass wiring diagram <<link


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prickly_robot
PostPosted: Thu Jun 26, 2014 10:45 am 
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crbmoa wrote:
prickly_robot wrote:
Bit more digging turned up this: http://www.guitarelectronics.com/produc ... Shaft.html
I wonder if I could us the switch part to wire up bypass? Not sure how the terminals on a push-pull are configured exactly...


The switch on that pot is a DPTP.
Did you mean DPDT? In which case, something like this would work: http://www.generalguitargadgets.com/pdf ... _tb_gi.pdf since I don't think we were going to try and have an LED anyway.

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crbmoa
PostPosted: Thu Jun 26, 2014 10:50 am 
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prickly_robot wrote:
crbmoa wrote:
prickly_robot wrote:
Bit more digging turned up this: http://www.guitarelectronics.com/produc ... Shaft.html
I wonder if I could us the switch part to wire up bypass? Not sure how the terminals on a push-pull are configured exactly...


The switch on that pot is a DPTP.
Did you mean DPDT? In which case, something like this would work: http://www.generalguitargadgets.com/pdf ... _tb_gi.pdf since I don't think we were going to try and have an LED anyway.


Yes - I meant DPDT.

Yes, the diagram you linked will work with a DPDT switch.

Please note that pot mounted switch is NOT a toggle switch. Meaning your friend will have to reach down and pull the knob at least half the time.

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sjaustin
PostPosted: Thu Jun 26, 2014 11:11 am 
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crbmoa wrote:
your friend will have to reach down and pull the knob at least half the time.

Someone's getting a new signature today!

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crbmoa
PostPosted: Thu Jun 26, 2014 11:15 am 
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sjaustin wrote:
crbmoa wrote:
your friend will have to reach down and pull the knob at least half the time.

Someone's getting a new signature today!


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Frag Magnet wrote:


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prickly_robot
PostPosted: Tue Jul 01, 2014 9:56 am 
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crbmoa wrote:
Please note that pot mounted switch is NOT a toggle switch. Meaning your friend will have to reach down and pull the knob at least half the time.[/color]
Well, he did say he'd be happy to pay for the work, but we hadn't discussed terms;)

But, yeah, a proper toggle would be preferable (just generally, and because it'd provide a visual indicator of "effect on/off" without needing an LED). Just need to find one that's DPDT at least, and has the extra-long shank/collar/thready bit, whatever the proper term is;) The search continues...

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