Solid State Guitar Amp Forum | DIY Guitar Amplifiers

Solid State Amplifiers => Amplifier Discussion => Topic started by: Variaxeman on October 25, 2006, 04:23:44 PM

Title: Wanting to build a 20-30watt guitar amp
Post by: Variaxeman on October 25, 2006, 04:23:44 PM
Does anyone have any ideas?  I've looked around but haven't found anything other than tube amps.  I'd like to try a solid-state design.

Thanks!  :tu:
Title: Re: Wanting to build a 20-30watt guitar amp
Post by: joecool85 on October 25, 2006, 07:00:11 PM
LM1875 based amps put out roughly 25watts (+/- 5 watts depending on transformer).  I would look into doing one of those.  Brian from chipamp.com gave out some kits on here, and I think he may have some left as prototype boards.  If you're interested, let me know and I'll see what I can do.  You could also make your own PCBs, or possibly even perf one.  I know perfing a LM3886 is a bad idea as certain components need to be really close to the chip and make it hard, but the LM1875 doesn't look to be as difficult.  I myself have built a stereo LM1875, but it was with Brian's PCBs so it was easy.
Title: Re: Wanting to build a 20-30watt guitar amp
Post by: Variaxeman on October 26, 2006, 03:12:18 PM
That sounds like exactly what I'm looking for, JoeCool85!  I'd appreciate any help you can provide in my quest.  Today's lookin' up!!  :tu:
Title: Re: Wanting to build a 20-30watt guitar amp
Post by: Dr.Beat on October 26, 2006, 04:53:34 PM
An 1875 would be a nice project. . what do you think the chances are of another run of kits being done in the future?
Title: Re: Wanting to build a 20-30watt guitar amp
Post by: joecool85 on October 26, 2006, 05:25:14 PM
I'll talk to Brian asap and get back to you on that.
Title: Re: Wanting to build a 20-30watt guitar amp
Post by: Dr.Beat on October 26, 2006, 06:37:30 PM
Cool beans.
Title: Re: Wanting to build a 20-30watt guitar amp
Post by: Bob N on November 04, 2006, 02:57:38 PM
If we end up doing another run, let me know.... I'd also be interested in the LM3886.... I've got a million uses for these little screamers....
Title: Re: Wanting to build a 20-30watt guitar amp
Post by: joecool85 on November 04, 2006, 03:11:22 PM
I emailed Brian today since I haven't been able to catch him on AIM.  I'll keep you guys posted.  I highly doubt he'll do freebie kits like last time, but we may be able to get a cut cost on them.
Title: Re: Wanting to build a 20-30watt guitar amp
Post by: Bob N on November 04, 2006, 03:28:15 PM
Nah, I'm not lookin' for freebies.... I have no problems paying someone for providing a good kit at a fair price...
Title: Re: Wanting to build a 20-30watt guitar amp
Post by: Dr.Beat on November 14, 2006, 10:30:54 PM
Yeah same here, I wasn't expecting freebie stuff anyhow. I, too, am just looking for a decent price, being broke and all. .    :(
Title: Re: Wanting to build a 20-30watt guitar amp
Post by: joecool85 on November 14, 2006, 10:35:44 PM
Well, I emailed him with no response, I'll try again though.
Title: Re: Wanting to build a 20-30watt guitar amp
Post by: joecool85 on November 15, 2006, 09:37:40 AM
Alright, he said he doesn't know when he is planning on ordering more boards, but he can provide us the layouts if someone here wants to make them/order them.