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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?

I'm lucky it's just in the last 18 months my eyes have stopped focusing quite as close as they uses to, thankfully it's not been a problem when reading or in everyday life, just SMD soldering and drilling small holes. I did learn quickly yesterday not to look around the room while wearing the...

That's great, hope it sounds good.

I started drilling, gave up, got in the car and drove to a supermarket where I bought some reading glasses, came back and was able to see what I was drilling! I feel it is down hill from here :oops: As a side note, any etchers here?

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.

Too late I know :oops: In the UK we call them Fig Rolls, in the USA, Fig Newtons?

They are all good, we need some optimism in this world.

What gave it away?

There are so many possibilities with this forum subsection, we could have: Rats nest of the week! It’s so beautiful I might just have to hang it on the wall ‘art' award. Can you tell where I went wrong? Guess what it is competition.

I couldn’t help wanting you to add “Pudding" at the end of your “Bread & Butter” suggestion. Simple ingredients lead to wonderful tones… I mean desserts!

"A baker's dozen" Because lets face it, nothing is what it seems ;)

I really want a ghost trap pedal

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

No confusion, I amended my post yesterday after I appreciated my base-8 initial calculations resulted in a scaling error of 10…. ...Yeah, okay I got confused, I admit it! :rolleyes:

Hold your horses, there is a deception a foot. 
 Mr. Fig states, and I quote the scoundrel directly, "I just finished testing and cataloguing a lot of 50 Germanium PNP MP21A" 
 But Sir! I count with my very eyes 51, this is clearly a deception of grave magnitude, but I clearly see the secret...

62hFE with a leakage of 0.197mA. But wait...
 
 I'd chosen to consult the akashic records for guidance on those numbers, but that does not tally with your message causing me to question the validity of the leakage value, all you say, all are under 0.120mA how can this be! Being stumped I feel...