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Topics - ckim715

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Got the bias issue solved, got the regulator issue solved, now it's a really really weird thing:

Even when the pedal is not powered, it passes signal when engaged. It is very faint, but it's there. I have it wired true bypass. I am assuming I have a short somewhere on my switch, but wanted to see what you guys thought. More digging to follow...

Tech Help - Projects Page / Madbean Total Recall weird Blend Knob
« on: September 16, 2019, 09:14:51 AM »
Hey all,

So my total recall works (mostly) as it should, but the blend knob is really weird. I get unity blend with the knob at like 9 o'clock. With it at noon, the repeats are WAY louder than the dry signal. Anyone else experience this?

Tech Help - Projects Page / adding switch to interrupt power
« on: August 18, 2019, 08:02:54 PM »
Just to double check my thought, if I put an on/off switch between the 9v socket and the pcb, I can use that as a power kill switch to the pedal, right? I have a Harbinger One and I like to keep it off until I know that I am going to use it for a song so as to maximize the lifespan of the lightbulb. Thanks!

Tech Help - Projects Page / Did I just blow up my Total Recall?
« on: August 16, 2019, 07:25:10 AM »
So I had a faulty barrel plug on my Total Recall, so I swapped it out (wires are oriented correct, positive center). I plug in the PSU and turn it on, heard a loud pop, and now the pedal is dead. I checked the voltage on the EHX power supply, and I'm reading 33 volts DC. Could that have fried the board? If so, what are the likely components I'd have to replace? I'm assuming the LM7915, but is there anything else I should be looking hard at? I'm thinking maybe the 1N4751a as well, as it's only rated to 30v?

Tech Help - Projects Page / Madbean Total Recall question
« on: February 12, 2019, 09:09:30 AM »
Hey all,

I built a Total Recall and biased it per the revised instructions (pin 7 and 14/15 of the V571 for Gain 2). It works just doesn't feel right. I can get self oscillation, but that's not until like max feedback. I only get one or two repeats until the feedback pot is at the halfway mark. Any thoughts?

On top of that, I feel like the repeats are very...abrupt? Is that normal? The only other analog delay I have to compare to is the Aqua Boy I built, and the repeats seem much more organic.

Thanks all1

Tech Help - Projects Page / Lunar Module cap substitution
« on: December 31, 2014, 09:01:25 AM »
Hey all,
I'm building a Lunar Module, and C13 calls for a 2n; however, I have a 2n2. Do you think it will adversely affect the pedal if I make that substitution?

Bring back the Archer avatar....

daaaaaaaaaaanger zone!

Build Reports / Queen of what kind of clone?
« on: May 28, 2014, 08:22:49 PM »
Finished Rullywow's KOT Clone (Queen of Bone). SOUNDS. AMAZING. I have the red side as OD and the Yellow side as Dist...absolutely loving the tones I'm getting out of it. I have a JRC 4558 in the red side and an OPA2134 in the yellow, and I'm running it at 18 volts. Diodes used were 1n4148 and BA282
In addition, rullywow's breakout boards are making wiring such a breeze. It's not as neat as I'd like it to be, but I'm definitely getting better. I was going to do labels...but I kind of like the blank look.

Ignore the mismatched knobs, I'm waiting on knobbies to get here from mammoth :)

Open Discussion / Memorial day...
« on: May 24, 2014, 06:56:22 PM »
SFC James Stoddard, A Co, 2/504 PIR, KIA 30 SEP 2005
SGT Kyle Dayton, B Co, 2/504 PIR, 3 DEC 2007
PFC Kyle Metcalf, A Co, 2/504 PIR, KIA 22 APR 2012
1LT Jonathan Walsh, A Co, 2/504 PIR, KIA 22 APR 2012

May we never forget the sacrifice these men made so that others may live.

-SSG C Kim, A Co, 2/504 PIR

I built an afterlife comp, and when I wired it all up to test it, I noticed the LED is always on, even in bypass. Furthermore, I get no signal when I hit the switch. I tested the signal, and it looks like there's nothing going into input, even from the switch. The bottom left lug is input, right? What's the probability of a bad switch?

Audio/Video Demos / In a land of pedals and effects...
« on: May 12, 2014, 12:46:42 PM »
I present to you...CLEAN TONE!


Partscaster straight into a Blues Junior. Could use some comp, though. hmm.

Open Discussion / Who's got vintage gear?
« on: May 10, 2014, 02:15:42 PM »
'67 drip edge AB165 Bassman that I modded to hybrid AA864 specs. Installed new electrolytics a couple years back.

The kicker? I bought it for 200 bucks! The only thing wrong with it is it had a blown fuse and the jewel light was out.

Audio/Video Demos / Another Cosmo vid
« on: April 29, 2014, 12:25:36 PM »
Seriously, I love this pedal. Cosmo with an AC127 in it (had a 2N1304 in it before, swapped it out just to see).
this was more of a recording test, as I recently got a mic/mixer/interface.

General Questions / PCB mounted switch?
« on: April 28, 2014, 08:38:24 AM »
So I am going to build a Fatpants, but want the body and soft switches to be internal (Not external switches). Any suggestions on the best parts for this? Thanks!

Open Discussion / I feel like I'm missing something..
« on: April 24, 2014, 09:55:52 PM »
So my signal chain goes like this:

Analogman KoT clone
Sea Urchin

Gear: 2 strats, one with humbuckers, one with single coils, a Blues Junior, and a '67 Bassman.

I kind of want to get an EP Booster, as I've heard they do amazing things to the strat tone, but I feel like 3 OD/Boost/Dist pedals is a bit overkill.

Tried a compressor, not really feeling it.

Modulation? Hmm. I do have a phaser, but can't see myself using it much...

Opinions welcome!

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