Search found 10 matches

by Lachie
Thu Mar 22, 2018 9:49 pm
Forum: JLM Audio Kits
Topic: V6 Power Supply Build Thread
Replies: 16
Views: 14374

Re: V6 Power Supply Build Thread

Thanks joe! A question that is perhaps silly... Once powered up should the + and - rails buzz out on a multimeter? Both to each other and to ground? It’s only doing this once powered up I’m troubleshooting to see where a problem with my Soundcraft 200b is located and this is killing me. Voltage rail...
by Lachie
Tue Mar 13, 2018 2:10 pm
Forum: JLM Audio Kits
Topic: V6 Power Supply Build Thread
Replies: 16
Views: 14374

Re: V6 Power Supply Build Thread

Hi Joe,

just to clarify on combining the rails in your last example. Which resistors are getting subbed out for 5w? I can't see any .1R resistors on the PCB.

Thanks
by Lachie
Mon Jan 15, 2018 8:00 pm
Forum: JLM Audio Kits
Topic: V6 Power Supply Build Thread
Replies: 16
Views: 14374

Re: V6 Power Supply Build Thread

Hi Joe,
Could you give a bit of a run down on the jumpers? I can't find this info anywhere...
I'm trying to get V3 putting out 48v (this part seems obvious..) and one more rail of +/-17v (so I'm guessing combining V1 and V2 rails?).
Thanks
by Lachie
Sat Nov 11, 2017 12:36 pm
Forum: JLM Audio Kits
Topic: AC/DC & POWERSTATION KIT BUILD THREAD
Replies: 319
Views: 274518

Re: AC/DC & POWERSTATION KIT BUILD THREAD

Is it at all possible for me to use a single secondary AC transformer to get +/-30V from one of the AC/DC 3 rail kits? I'm struggling to find a dual sec. transformer that will fit in the space I need it to, but can find a couple that would put out a single 36v or 48v AC secondary voltage and will al...
by Lachie
Fri Jun 16, 2017 1:32 pm
Forum: JLM Audio Kits
Topic: REPRO Passive reamp Box Build Thread
Replies: 6
Views: 15167

Re: REPRO Passive reamp Box Build Thread

Ha, yep. Thought that might be it. That's definitely the plan, though I'd like to build a few into a 1ru chassis as it's more functional than a reamp box to me. It'd just be nice to be able to have a single reamp channel be able to feed 2 amps/pedals rather than use 2 REPRO channels on the one sourc...
by Lachie
Thu Jun 15, 2017 2:51 pm
Forum: JLM Audio Kits
Topic: REPRO Passive reamp Box Build Thread
Replies: 6
Views: 15167

Re: REPRO Passive reamp Box Build Thread

Legend, thanks Joe.
Any easy way to avoid that possibility?
by Lachie
Thu Jun 15, 2017 1:47 pm
Forum: JLM Audio Kits
Topic: REPRO Passive reamp Box Build Thread
Replies: 6
Views: 15167

Re: REPRO Passive reamp Box Build Thread

Is it possible to add a second 1/4" unbalanced output to these by just piggy backing another jack onto the first?
Or perhaps more complicated?
Thanks
Lachie
by Lachie
Wed Jul 10, 2013 4:09 pm
Forum: JLM Audio Kits
Topic: API transformer swap?
Replies: 3
Views: 4482

Re: API transformer swap?

Thats great! I searched for 'API' but came up with nothing.
Should have just checked the build thread!
Thanks alot!
Lachlan
by Lachie
Wed Jul 10, 2013 3:16 pm
Forum: JLM Audio Kits
Topic: API transformer swap?
Replies: 3
Views: 4482

Re: API transformer swap?

Oops ignore what I said re: the extra legs. I realise now I am thinking of the 99v's legs!

But looking into it some more, is it worth thinking about the 2520 opamps along with the EA2622's?

Thanks again!
by Lachie
Wed Jul 10, 2013 3:07 pm
Forum: JLM Audio Kits
Topic: API transformer swap?
Replies: 3
Views: 4482

API transformer swap?

Hey All, I have a rack of 4 Baby Animals that I built around 6 years ago. I got them all pretty straightforward with JLM1:4 & JLM99v in all 4 channels. Lately I was thinking of swapping the input transformers to the API Classic EA2622 on a couple channels. Im just wondering if its a straight swa...

Go to advanced search