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Old 8th June 2013, 04:41 AM   #11
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I've been able to fit these into a 1590A before, so you should be able to make it fit without the battery. Probably have to offset the jacks.
You could probably point-to-point wire it. Use the DC jack, footswitch, and volume control as tie points.
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Old 8th June 2013, 03:58 PM   #12
Cassiel is offline Cassiel  Libya
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I will fit everything inside but not with the jacks I had. Standard jacks no good for this box. Too wide. Using special ones.You will see. I think it will be finished today.
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Old 10th June 2013, 01:46 AM   #13
Cassiel is offline Cassiel  Libya
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Default I have a dilemma.

I have decided to use an external battery pack. I think it gives me more freedom and I don't have to worry about hum issues. My dilemma is the following: six Ni-Cad 1.2V batteries (2400 mAh) in series gives me 8 volts, I know it should be less but that's what I'm reading. It goes to more than 11 volts with eight batteries in series. I'd prefer six as the battery pack would be lighter. What would you do, iaxxaxxai? Is this circuit very sensitive to over/undervoltage?

* Seven would be ideal, I know, but due to the way I'm doing it, it's got to be six or 8.
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Last edited by Cassiel; 10th June 2013 at 01:49 AM.
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Old 10th June 2013, 01:52 AM   #14
Cassiel is offline Cassiel  Libya
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This is what I'm talking about. Of course it would have longer leads.

Ni-MH Battery Pack
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Old 10th June 2013, 02:03 AM   #15
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It should work fine on 8v. You can adjust the bias if you need to.
I have actually built a pedal with an external rechargeable battery before. It was a pack of six cells. I don't remember the voltages it produced, it's been awhile.
You could use a standard 5,1mm barrel connector for the battery pack so the pedal could use either the batteries or an external supply. And then you could potentially use the batteries to power other pedals as well.
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Old 10th June 2013, 02:09 AM   #16
Cassiel is offline Cassiel  Libya
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Great. It's six then.

Quote:
You could use a standard 5,1mm barrel connector for the battery pack so the pedal could use either the batteries or an external supply. And then you could potentially use the batteries to power other pedals as well.

Yes, that's a good idea. I thought about that. Thanks for everything. The circuit is finished but I haven't had the time to finish the box.
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Old 10th June 2013, 02:11 AM   #17
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wait, I just found a pic of it... it was 8 cells and put out 9,6v
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Old 10th June 2013, 02:15 AM   #18
Cassiel is offline Cassiel  Libya
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Funny, I just read the voltage - it's going down after the recharge. Probably it will stay on 7.2 volts. I think that would be too low. 8 cells then?
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Old 10th June 2013, 02:19 AM   #19
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Here are pics. Also found a pic of that very small one I built awhile ago. It looks like there's extra stuff in the circuit for this one. Pretty sure I built it with one of those charge pump chips to make a negative supply. I don't do that anymore. LOL
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File Type: jpg battery pack.JPG (101.9 KB, 36 views)
File Type: jpg smallrangemaster2.JPG (107.1 KB, 34 views)
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Old 10th June 2013, 02:20 AM   #20
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here's inside the small one...
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File Type: jpg smallrangemaster1.JPG (186.9 KB, 34 views)
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