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Here's the underside of the board, can't see anything suspect around that area so will order another 3101 and see if that gives me some different voltages or results


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Your Vgg voltage is way off. It should read under 1v yet yours is 8v. You need to take a closer look at pin8 of the 3101 and see if there is some kind of soldering bridge or anything that doesn't look right. If you have a different 3101 maybe pop that in and recheck the reading on that pin to see if the clock itself is the issue.

Thanks for the quick reply Brian, I appreciate it. I'll have a look at the soldering etc in that area, I only have the one 3101 on hand so may order another if that's a possible failure point. Will let you know how I get on! Thanks again!


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Hi everyone, just finished up my Aquaboy build and was going through the calibration steps but I'm not getting any delay on pin 3 of IC3, only a quiet high pitched oscillation, despite much tweaking of the bias trimmer. Audio is reaching the output when the effect is engaged but just no delay. I've made no substitutions in terms of parts, been through and checked my IC and electro orientation but currently can't see any issues there. I have to admit I am guilty of boxing it already, I always do and I suppose I've built so many pedals with no issues I've become complacent! Hoping if I post my voltages something may stand out, would appreciate it if anyone can cast a knowing eye over them, thanks!

IC1
1 - 4.62
2 - 4.62
3 - 4.59
4 - 0.00
5 - 4.59
6 - 4.62
7 - 4.62
8 - 9.26

IC2
1 - 0.98
2 - 1.78
3 - 1.78
4 - 0.00
5 - 1.79
6 - 1.76
7 - 3.10
8 - 1.79
9 - 1.79
10 - 2.97
11 - 2.98
12 - 1.79
13 - 9.25
14 - 1.78
15 - 1.78
16 - 0.16

IC3
1 - 9.23
2 - 4.31
3 - 6.73
4 - 6.75
5 - 0.00
6 - 4.38
7 - 1.38
8 - 8.04

IC4
1 - 8.63
2 - 4.31
3 - 0.00
4 - 4.31
5 - 4.31
6 - 4.32
7 - 3.90
8 - 8.05

Q1
E - 3.74
B - 2.99
C - 9.26

Q2
E - 2.50
B - 3.00
C - 9.25

Q3
E - 6.18
B - 6.51
C - 9.26

Q4
E - 5.56
B - 6.05
C - 9.26

If the circuit were to be adapted to run at 18v, how would that biasing need to be changed?

I have to confess I have not even the slightest idea! Maybe a question for Benoit over at Coda Effects?


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Now the real important thing. This build is awesome! The graphic gives a 3d look at the pedal.

Thanks!


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Love that enclosure design/paint job! It's insane that you got such ripping tones without the transistors soldered in...

Haha! I managed to get these super rare invisible ones, to say they have the mojo factor would be an understatement! Very hard to come by owing to the fact you can't see them, getting the orientation right was tricky to say the least!


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That is a really quite excellent first build, inside and out! Really impressive! Keep it up!

Thanks guys, had more of a sit down session with this pedal over the weekend, I'm really into it now!

Thanks guys, pretty sure my mate will be really chuffed with this when he gets it!


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Aztec Factory built on FuzzDog Filth Fack board.

This was a request from a mate and I'd not built one before despite being curious about them. Have to say I loved it when I fired it up! Knarly fuzzy goodness! Added the fat switch for extra boeuf. Need to build my own one now! Think I might go for the more knobs version though.

Reverse etched and painted then glitter sprayed

Awesome man, thanks for sharing your process! I've been thinking about trying my hand at some painting but really have no idea how to go about it so really interesting to see! Looks like you need a steady hand and a good eye, nice work!

Thanks guys! 

Hellooo out there, hope everyone is staying well!

Latest project is the Grimafuzz from Dead End FX. I recently built the PedalPCB Super Heterodyne Receiver and really liked the fuzz section of it, a Madbean forum member was kind enough to point me in the direction of a DeadEndFx board of just that section of the PLL so got on it straight away! It's a thick, nasty, somewhat gated fuzz thing and I dig it! The board also has some cool features such as a blend pot so it can be used on bass.

Reverse etched and then painted, also tried some splatter painting for something a bit different, I really like how it came out.

How strong is the enclosure? Think it will hold up to a fair amount of use? Always wondered about those boxes.

I think it seems ok, definitely a lot thinner than Hammond boxes but I tried applying a fair amount of pressure when I pressed the switch and there wasn't really any give as such. Time will tell tbh!


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Cheers guys, was a tricky etch tbh and the aluminium reacted quite differently the Hammond boxes I'm used to. Initially I wasn't sure if it was working at all!

Also, not sure if you can see from the photo of the knob labels, but I inadvertently ended up getting bevelled lettering! The etchant must have been nibbling away at the edges of the letters, it looks pretty cool tho I think!


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