tag:blogger.com,1999:blog-5481402030233340127.post5145114846574792621..comments2024-03-28T17:24:07.520-04:00Comments on Perf and PCB Effects Layouts: Jon Patton Cardinal Tremolo V2dtgehringhttp://www.blogger.com/profile/09555201436004501222noreply@blogger.comBlogger12125tag:blogger.com,1999:blog-5481402030233340127.post-50648179136890645312023-03-23T08:49:40.615-04:002023-03-23T08:49:40.615-04:00Hello, i build this and i have matched pair 2N5457...Hello, i build this and i have matched pair 2N5457 and BF245b for Q1 legit VTL5C1s, Qs biased to 6V and balance 50/50.... I dont understand why do i have unity gain on 20-30% vol pot instead of 75% as in videos online... Any idea what to check ?Lukes0nhttps://www.blogger.com/profile/09159618457066375511noreply@blogger.comtag:blogger.com,1999:blog-5481402030233340127.post-59428359657084105202018-10-20T20:14:57.877-04:002018-10-20T20:14:57.877-04:00Wich type of LEDs have you used with the LDRs? Wich type of LEDs have you used with the LDRs? Diego Jorgehttps://www.blogger.com/profile/11645571260260005299noreply@blogger.comtag:blogger.com,1999:blog-5481402030233340127.post-15703965876445813232018-10-17T09:06:17.215-04:002018-10-17T09:06:17.215-04:00Try using 10k trimmers then.Try using 10k trimmers then.Effects Layoutshttps://www.blogger.com/profile/11341183658959824998noreply@blogger.comtag:blogger.com,1999:blog-5481402030233340127.post-40354728621061729972018-10-16T22:27:03.944-04:002018-10-16T22:27:03.944-04:00Mmm... I read it, But if adjust the voltaje to V/2...Mmm... I read it, But if adjust the voltaje to V/2 the sound gets noisier. I simply adjust the Trimmers to the lowest gain pointDiego Jorgehttps://www.blogger.com/profile/11645571260260005299noreply@blogger.comtag:blogger.com,1999:blog-5481402030233340127.post-40376476980007616562018-10-15T21:19:14.540-04:002018-10-15T21:19:14.540-04:00I suggest going through Jon's original build d...I suggest going through Jon's original build doc linked above. I think he talks about how to resolve that.Effects Layoutshttps://www.blogger.com/profile/11341183658959824998noreply@blogger.comtag:blogger.com,1999:blog-5481402030233340127.post-44676277227302387742018-10-15T21:11:05.859-04:002018-10-15T21:11:05.859-04:00I built it!! Sounds awesome!!!
But there is a litt...I built it!! Sounds awesome!!!<br />But there is a little distortion when I play loud. Any idea to solve this? Diego Jorgehttps://www.blogger.com/profile/11645571260260005299noreply@blogger.comtag:blogger.com,1999:blog-5481402030233340127.post-12408875974076310572018-09-21T23:18:00.165-04:002018-09-21T23:18:00.165-04:00Another great job. I have been looking forward to ...Another great job. I have been looking forward to building this. One tip, if you etch your own board do a continuity check on the traces. I couldn't figure out why I couldn't balance the vactrols. A hairline trace grounding the center of the 100k trim. DOH!bcruzin2https://www.blogger.com/profile/07686224394634037167noreply@blogger.comtag:blogger.com,1999:blog-5481402030233340127.post-13242070276576272502018-08-23T18:16:31.025-04:002018-08-23T18:16:31.025-04:00always a pleasure!always a pleasure!bluesanderlhttps://www.blogger.com/profile/00728702435583289245noreply@blogger.comtag:blogger.com,1999:blog-5481402030233340127.post-46471712226247230292018-08-23T17:13:54.420-04:002018-08-23T17:13:54.420-04:00Yeah, definitely increase that trimmer value. Soun...Yeah, definitely increase that trimmer value. Sounds like 10k should do the trick. Will probably help with the distortion too. Thanks for verifying!Effects Layoutshttps://www.blogger.com/profile/11341183658959824998noreply@blogger.comtag:blogger.com,1999:blog-5481402030233340127.post-13480759780221688282018-08-23T15:01:36.862-04:002018-08-23T15:01:36.862-04:00a few more notes :
cant bias Q1 to 6V, with the tr...a few more notes :<br />cant bias Q1 to 6V, with the trimmer all the way down i got 6.9V!<br />bout the distorted sound, with the guitar vol half down i get a clean signal.<br />maby i,m going to install a input trim-pot, and change the Q1 trimmer to 10K!<br /><br />greetings from Austriabluesanderlhttps://www.blogger.com/profile/00728702435583289245noreply@blogger.comtag:blogger.com,1999:blog-5481402030233340127.post-58758274299095710952018-08-23T14:43:37.898-04:002018-08-23T14:43:37.898-04:00hi everybody!
i finished my build last night and.....hi everybody!<br />i finished my build last night and........ it works!<br />funny to see how the two ledś are working, but i have a light distorted sound!<br />maby the problem is that i didńt used matched fets!!<br />but i think the pcb layout itself is correrct!<br />another great "artwork"<br /><br />maby you can mark it as verified, i,m going to build a jfet-matcher for the correct values.bluesanderlhttps://www.blogger.com/profile/00728702435583289245noreply@blogger.comtag:blogger.com,1999:blog-5481402030233340127.post-34784086661639755362018-06-15T09:35:16.508-04:002018-06-15T09:35:16.508-04:00Note: Q2 & Q2 must be matched.
Interesting pro...Note: Q2 & Q2 must be matched.<br />Interesting proyecto, awesome layout! ThanksDiego Jorgehttps://www.blogger.com/profile/11645571260260005299noreply@blogger.com