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Sorry that is what I meant. With the toggle in the LED position: Pin 1 & 2 = 1.3 ohms Pin 2 & 3 = nothing On the 1N4148 position: Pin 1 & 2 = nothing Pin 2 & 3 = 1.3 ohms

Oh, btw, I was getting 1.3 ohms on pin 1&2 and nothing on pin 2&3 in the LED selection. And the opposite in the 1N4148 selection. I am calling pin 1 the upper most one. Does that suffice that it is not the toggle that is the problem?

You are definitely not confident about that 10u cap! The cap and LEDs are easy enough to replace. Even for me! I have more 10u electrolytics but they are most likely also from Tayda. I dont have any 3mm LEDs at the moment however.

I'd say they from Tayda.

I like it too! That LED selection was one of the reasons why I wanted to build the Lab Rat. I mean, I would have built it anyway but... I have no problem removing the LEDs. I've removed many components successfully at this point. It's just the switch that gives me a little pause.

I am hesitating on this to think for a minute, Although I think I could handle sucking the solder out and removing the toggle switch I have never done one before. I have done pots which also use an abundance of solder. I know that more interventions increases the risk of damage to the PCB. And...

This would be removing the LEDs and toggle from the circuit, so just using the SI diodes? If it operates normally, as it does when selected to the SI diodes, it would localize the problem to the LEDs or toggle, or their current soldering, yes?

1.3 Maxing the volume on the iPad I only get less than a volt on the tip of the input jack so that’s not good. But here’s the DC and AC measurements on pin #2: DC .83 AC 2.75

I have a tone generator app on my iPad that I can choose 1000Hz but I don’t see any adjustment options for voltage. Am I going get one that has that feature? Also, I don’t have and have never used a signal generator. Are there apps or do I need hardware?

Looking over this again I realized I measured the wrong group of pins slightly. D’oh! Here, let’s try this again: Pin 1 - 147 Pin 4 - 0 Pin 5 - 8 Pin 6 - 242 After 5 minutes: Pin 1 - 149 Pin 4 - 0 Pin 5 - 8 Pin 6 - 238

After replacing the tube and testing, I let it sit for an hour and I plugged in and got this: Pin 1 - 151 Pin 2 - 0 Pin 4 - 0 Pin 6 - 239 Leaving it plugged in for about 5 minutes I got: Pin 1 - 149 Pin 2 - 0 Pin 4 - 8 Pin 6 - 238 After another 5 minutes I got the same results

Changing the tube didn’t fix the issue. The DC jack has 9.13 and the cathode of the 1N5817 is 8.78. So that seems all normal,right?

Yes thank you! When I asked about "checking supply voltages" and the tube's "heater voltage" I meant literally, lol. Where do I measure? I assume with the DMM. I started as building pedals with no soldering or electrical experience 6 years ago and even though I have learned a lot from this...

Yeah, the supply voltages have never been checked. I it worked upon building it so assembling it wad the last thing I did before it started exhibiting this issue. How would one check supply voltages, and if the tube's heater voltage remain constant over time, and if the other voltage supplies...

I waited 2 hours and tried again. It was “gatey” from the beginning as beforehand. I don’t think it’s worse with the tin foil over the LEDs.

I tried the tin foil thing. At first it seemed to act normally. Then after a few strums, the “gatey” thing started happening again. Maybe worse than before. I’m going to let it sit for a while and try again but that’s what I can report now.

Nice! I have been interested in this one for a while. The original EQD pedal is based off of a MKII Tone Bender I assume from your review?

No, I had previously noticed that when I plug it in, and when I press the footswitch to activate the pedal, the lower LED flashes on quickly, but the upper one doesn't. I just tried it again. Upon plugging it in the lower LED flashes on quickly when the power cable makes contact with the DC...

Just checked them. They are in correctly, both in the same orientation. If one or both were installed wrong, it wouldn’t have worked from the beginning, right?

Ok. Use the foil to cover the LEDs? Is this to make a "shield" on them?