3/6/2023 0 Comments Mu tron battery buddy![]() ![]() The LFO does work properly,if I remove all the op amps from the phasing stages. I've done some troubleshooting and found out something, still don't know what to do now though. Hello! I'm still desperately looking for some help. I think that's still doable with the way I tweaked the layout.Īnyway, any advice before I cut the vero would be appreciated. Although I guess if needbe, I could always pull them out and go with the led/ldr combos. I'd hate to find out after all that work the 6 vactrols wired this way won't cut it. Here's my question Is there enough juice to drive 6 vactrols wired this way? I'm wondering what effect the voltage drop across the 3 pairs of LEDs will have on the sound, as apposed to just the 3 single LEDs. So now there are essentially 6 LEDs, 3 paralleled pairs wired in series as per the original layout. I was able to juggle around the layout to accomodate 6 VTL5C3's, replacing each of the 3 led/ldr combos with a pair of the 5C3's. I do have a bunch of single VTL5C3's though. ![]() ![]() ![]() The specs are not even close between the two. Only I discovered today what I thought were VTL5C3/2's turned out to be VTL5C4/2's. I've had a stash of vactrols for years and this build seems like the one I've been waiting for. This is the most badass vero build I've done Reply Delete I'll shut up and post a couple pictures meow I'll still try to add some additional filtering and do some more IC swapping to get the noise to a minimum, but I say it's an acceptable level of noise, especially when you consider that it sounds so greatĪnyways. You know, there aren't many times where you need to sit there which your phaser on while everybody is silent. I do get a bit of noise/tick, but it's certainly not noticeable in a band situation. In fact it really is the best sounding phaser I've used, I'm pretty amazed by how it sounds I've brought my build to practice a couple times and with my normal rig I can't get it to distort like it was when I was testing. Sorry for posting up this thread so much, but I have to come in here to say that I think my problem had something to do with my home setup. Born in the 80s, I have been privileged enough to play through a few vintage effects, but never did I think I'd have the chance to own any. You really do have my gratitude for this. Also I used some wide heatshrink tubing to sit over each trio of LDR/LED/LDR and folded the top over to remove most of the light.ĭudes you have really done a magnificent job on this, it is quite possibly the best pedal I've built thus far out of about 30. I've found that you can eliminate 90% of the clicking with careful trimpot tuning. Only very slight value substitutions going on with some of the caps, I used Tayda components throughout including the LDRs. I swapped them all out for the 5mm red diffused variety out of sheer frustration and voila, we have phase!!! I've used them before for effects like the ugly face with fantastic results so I thought I'd give it a shot. The LED+ connection is for the indication LED which will pulse at the rate of the phasing.Īfter much messing about I've managed to get this thing to work, and boooy it's worth the effort! All was perfect except I decided that I'd use clear bright LEDs, the white ones. This may not be necessary butĪs usual with these you need to test them in the dark or isolate the LED/LDR combo from the light in some way when testing, it obviously shouldn't be an issue when boxed but I'd still be tempted to make little cardboard box surrounds for each LED group. Give the best results, I would recommend trying to get a good match with These Tayda LDR's will apparently work extremely well with this circuit and diffuse yellow LEDs and so that is the recommendation, but it is always worth socketing and trying whatever you have to see what will work for you.īecause this is a phaser and as usual certain matched components will I would have preferred to have done this with a single LED with all 6 LDRs surrounding it, but it's too awkward to do neatly with vero, so instead opted for 3 LEDs, all with an LDR on each side. John did a great version of this using vactrols but I wanted a version using simple LDRs so it was available to build for the maximum number of people. ![]()
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