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With this being a genuine PreAmp, can it be used as a pedal into the front end of an amp, or do you feed it into the return of an amps effects loop?

That's great, hope it sounds good.

Okay, it looks like you just need to disconnect pin 9 from pins 4&5 and connect pin 9 to ground, which is the solder tab next to the 6v output on the SMPS board.

Cool project by the way... Tempting :)

If I've understood you correctly 4, 5 and 9 are all connected together? If so this is wrong, your 6v to pins 4&5 is correct. Pin 9 will need to be connected to somewhere else, I'm guessing ground. But sometimes filament heaters come off a transformer winding with a center tap, and it's the...

You say you have 6V on the heater filaments, I just want to check that the 6v is between pins 4 and 9, in your diagram you only have a conection going to pin 9 there is nothing connected to pins 4&5, i.e. nothing to complete the circuit.

I find solder wick works much better if you have a tub of flux you can dip the end into before using it, even if the wick is already impregnated with flux.

https://www.pedalpcb.com/product/titania2/ ;)

Ultrex for me, usually a 88 or the Jazz XL.

Hi Jamie, is it possible that on the first build you used an audio taper pot for the output and on the second build a linear taper?

I'm going to have to box mine up now too :)

Looks great, which FETs did you use?

My suggestions: OD 1: https://www.pedalpcb.com/product/jetaime/ OD 2: https://www.pedalpcb.com/product/bbgun/ Modulation: https://www.pedalpcb.com/product/woodpecker/

Sorry, I meant as the phaser sweeps there is a part that emphasises the bass, is this where the distortion occurs? Or is it throughout? The bass seems to overload my amp creating distortion in that part of the sweep if I happen to be playing a lowish note, for a long time I thought it was the...

Is the distortion across the whole sweep, or at the bass end of the sweep?

Thank you both. So essentially nothing to worry about?

Hi Fig, the odd thing is that it is only this batch of transistors, I've never tested a transistor and had it show a diode between the Emitter and Collector. before The leakage looks fine at 11 microamps (assuming ICEO can be used as a rough leakage measurement), but I just feel something is...

I've just got 20 1T308B and they all display the diode symbol between the collector and emitter with a forward voltage around 4v on my component tester. I'm new to Ge transistors so it could well be normal for them, but if anyone can shed some light on what it means I would be grateful. My plan...

If you have a look at MB Pork Barrel https://www.madbeanpedals.com/projects/_folders/FilterMod/schematics/PorkBarrel2019.gif You can see how he's implemented it, but I don't understand how it works, I thought it would just be one end of the pot has the dry signal, the other has the wet signal...

The GL5516 is for the delegate compressor, I just don't feel is behaving quite right, maybe it's the GL5516, or the LED, but as I can't seem to get hold of any GL5516s that are anywhere close to specification I guess it's a case of putting it to one side for the moment. I might have a go at the...