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Building true bypass looper, need help on parts

 
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finboy
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Joined: 08 Feb 2008
Posts: 3505
Location: Calgary, Alberta, Canada

PostPosted: Wed Oct 28, 2015 1:39 am    Post subject: Building true bypass looper, need help on parts Reply with quote

My all ehx big box board needs a reuse bypass looper, but I decided to build one instead of using the one I have.

I need 12 input/output jacks, 6 switches (silent preferred), led's (and bezels if needed), and power input. Basically 6 loops, one pedal, powered by one standard boss plug in.

I've been looking on small bear electronics but don't know enough about pedal building hardware to know what to buy. Anyone on here have any advice on parts I should check out and add to my cart?

HNB wrote:
Finboy-Pedal by Christopher Louck, on Flickr


It's going on an ehx hog 1 foot controller case, so I need to wire from scratch and sort out mounting LED's, and drilling all holed for input/output jacks
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Zack
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Joined: 09 Nov 2008
Posts: 699
Location: Chicago

PostPosted: Wed Oct 28, 2015 7:34 am    Post subject: Reply with quote

I like these power jacks cause they don't take up a lot of space. I have tried the bigger plastic ones in the past but I have a couple cases where they snapped, though I chalk that up to the guitarist's environment. As for input jacks, I usually buy mono switchcrafts but I've probably also bought Neutriks cause they're cheaper. I dunno what kind of input jacks your gonna need but they've got stereo ones and smaller profile plastic ones as well. You can probably get away without led bezels and have them float or use some hot glue. 5mm LEDs are pretty standard, and they stock metal bezels and plastic ones. Personally I like clear LEDs but it's up to you, depending on what kind of switching you're doing you could use two color ones for settings or whatever.

As for the switches, I don't really know of anyones that are silent and latching, that is to say if you need a latching stomp switch. There are momentary switches which will be essentially silent but you'll have to be holding it down unless you know how to use a relay, at least I think that's the device. I like these 3pdt switches for pedals, but you could also use a dpdt switch and wire up a millennium bypass circuit for the LED.
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finboy
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Joined: 08 Feb 2008
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Location: Calgary, Alberta, Canada

PostPosted: Wed Oct 28, 2015 12:44 pm    Post subject: Reply with quote

I was considering harvesting the current guts from the foot controller (switches and led's), but might have to figure out a way to desire them. I would think mono should work for I/o jacks as each loop will be mono.
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Zack
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Joined: 09 Nov 2008
Posts: 699
Location: Chicago

PostPosted: Wed Oct 28, 2015 8:08 pm    Post subject: Reply with quote

Yea man, you probably can harvest those LEDs but the shorter leads might be a pain to deal with since they're soldered to a board most likely. People do it though, that soaring tortoise dude makes all his electronics with recycled parts.

I just looked up the switches in the hog controller, they're single pole double throw. All true bypass loopers diagrams that I see are either 3pdt or dpdt.
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finboy
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Joined: 08 Feb 2008
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Location: Calgary, Alberta, Canada

PostPosted: Sat Nov 14, 2015 12:51 pm    Post subject: Reply with quote

What is the difference between 3pdt and Dpdt?
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Zack
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Joined: 09 Nov 2008
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Location: Chicago

PostPosted: Sat Nov 14, 2015 4:18 pm    Post subject: Reply with quote

Dual pole double throw means you have 2 columns and 3 rows, enough for wiring up in and out to a send and return. 3pdt stands for triple pole double through, it ands an additional column that's typically used for status LEDs in modern pedals. The double throw part means that the switch can toggle between two settings.

Not my image, but here's an example of a dpdt and 3pdt wired up in true bypass:
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finboy
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Joined: 08 Feb 2008
Posts: 3505
Location: Calgary, Alberta, Canada

PostPosted: Tue Dec 01, 2015 10:15 pm    Post subject: Reply with quote

harvesting some parts from a much more cramped 6 spot tbpl, i found the LED's and resistors wouldn't come out without a struggle, so I am just going to buy those new.

anyone know the id of these parts (put in a standard strap button for size reference)

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NickS
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Joined: 14 Jan 2008
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Location: Nr. Basinggrad, UK

PostPosted: Tue Dec 01, 2015 10:47 pm    Post subject: Reply with quote

One appears to be an LED and the other a 1k resistor.
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finboy
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Joined: 08 Feb 2008
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Location: Calgary, Alberta, Canada

PostPosted: Wed Dec 02, 2015 2:53 am    Post subject: Reply with quote

it is an LED, i *think* 3 mm bud don't have a ruler handy
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