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Topics - sammy-arfie

#1
Hi all, so I just finished populating my Dandy Horse build from Lectric fx, and I am unable to get the correct voltages.

My -15V test point is reading around -7.5v, and TP1 is measuring at around -3.8v - half of what they should be.

As I was examining my board, I noticed that I had accidentally loaded a 1n4001 instead of a 1n4002. Swapped that out, with no change. I've changed the LT1054 for another one I had on hand, no change. I purchased these LT1054's on Digikey and used one in my Echo 600 build which is working great with no issues.

I'll try and get some pictures of the front and back of the PCB's next time I am in my workshop, but all components are oriented correctly. Besides the 1n4001, I cannot find any more mistakes or incorrect values.

Any help or advice would be appreciated.
#2
I was wondering if anyone knew what size the screws are on the top panel of a vintage Mu-tron Bi-phase? The ones on mine are pretty chewed up and one is missing so I was looking to replace them, but having a hard time finding the right size and thread.
#3
General Questions / Dead End Lola Phase Volume Drop
October 09, 2022, 03:57:01 PM
Hey there guys, I was wondering if anyone here has also built the Dead End Lola Phase and if anyone else is experiencing a volume drop. I built this one last year and it sounds fantastic, but it has a significant volume drop, especially when the Depth is higher up and when both Phasors are engaged. I've been through the alignment a few times, and it sounds very excellent in the studio, but the volume drop has made it a little difficult to use live without it being in a loop.

Is this just the nature of the Bi-phase circuit? I know phase shifters can have a volume drop. Am I missing something in the alignment?
#4
Hey y'all ! So I'm nearing completion on my Bi-Phase Clone and I have a resistor that keeps burning out on me. It's resistor R11 on the main board, 12R 1/4 Watt and it's burned out twice now on me...It's getting the correct voltage it should off of the jumper and the other 12R resistor on the other side (R12) is working just fine. Any one run into this one ? On the upside the effect is working great and sounds absolutely fab (when there isn't smoke coming out of it !). Powering it with a 16VAC power adaptor on a surge protector. Any help is appreciated!