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I'll take a look - I do have OP07's

Yeah, I have a bunch of these. They just dont work with way pedal are powered. Too bad too - nice plugs and mount from the inside.

No problem - just pm your address and I'll throw a few in the mail.

Are you in the US? I have a few and can send you one if you want

Only thing I've ever done is adjust to taste - I always socket my LED resistors to be able to adjust. Seems like a lot of electronics manufactures dont bother and just try to go by specs - and wind up with LEDs that have the brigntness of a laser and could be seen from the moon. Yeah, MXR...

yeah I think I'll just try the way you suggested (same as mine). I'm not interested in all the options like the CherryPie. Just to get a "noramal tremolo" as an option would be nice. Whats also nice about this option is that if I socket C2 and C3 its super simple to try it out and hear how it...

Got it - like pedalPCB said just put the LEDs for the LDR's in phase. Or the way I had drawn out seems workable.

Did a search for the schematic but nothing turning up.

Right - I just put a 10pF so there was "something" there vs open to avoid pops, but thats pretty much what I'm thinking C2 is C7 in my schematic and C3 is C5

So a harmonic tremolo has a High Pass and Low Pass section. Each with a LDR (not sown in circuit). Can you get a "normal" tremolo sound by only using one of the paths and opening up the filter? Something like below where you switch C7 and C5 so they are either "off" (as shown = normal...

Great - I'll screen a few of the LDRs to taste. I take it you just used the 3mm tayda diffuse LED (as specified on the build doc)? Covered or uncovered? I looked at a lot of the harmonic tremolo projects / pcbs etc. The Pendulum looks like a great balance: not too complicated (three knobs)...

I thought the C100K vs 50K was supposed to give you more "low speed" range - I too wouldn't care for the super fast range Volume - not sure. The two reviews on the Pendulum seem to contradict whether the vol range is too much (high) or just right btw - anyone know if the KE-10720 (tayda) work...

found a cool link with PedalPCB Pendulum Zepplin Labs Quaverato BYOC Brown Face Harmonic Tremolo 1776 Effects Carindal Tremolo V2 Surfy Industries SurfyTrem I think the pendulum sounded awesome! Going to order one and give it a try. Opinions on the mods from anyone?: replace C50 with...

Go the bug for a tremolo... I don't have a harmonic trem, does the Pendulum sound anything like the Supro?

Ha - my LEDs never really wind up where they are on the board. I tend to move things around :)

Thanks - I wish - iron on toner transfer. Pretty robust. Since the plates come 'off' I can get the transfer to work pretty well. At this point my pedalboard is almost all 1590B (takes some doing!) PedalPCB. The Gravitation Reverb and Magnetron delay are likely gong to bump off my TC Alter...

I love the top mount 1590B - more work but totally worth it

Slick - 9 pin small signal tube? Microphone or pedal preamp or ??

thanks - makes a lot of sense now We have a research project that has a BGA component and we were asking a local house to just solder the device for us - and he mentioned the rails. Had we just asked him initially to do the boards AND mount the device he would have just added the rails himself...

Thanks - so its basically making the board a bit "bigger" non-functional perimeter for the handling. - yes? They always seem to show it (in the examples) as panelized, I guess thats to make things cheaper but not really anything to do with the "rail" requirements.