Carbon Black

[Nostradoomus]

Silly and stupid are two different things!

 

[lilnasty.666]

What value pots are you supposed to use, I’ve got my board ready and my enclosure drilled but there’s still no build doc up yet

 

[Nostradoomus]

What value pots are you supposed to use, I’ve got my board ready and my enclosure drilled but there’s still no build doc up yet

If I was at home I could tell you, but I just got to work so I’m a ways off from being able to answer that...someone else can chime in hopefully!

 

[benny_profane]

What value pots are you supposed to use, I’ve got my board ready and my enclosure drilled but there’s still no build doc up yet

FUZZ: B5K (I recommend using a C5K here to make the control more usable)
VOLUME: A100K
TOP: B25K

Start with the trimmer set so that the Q3 collector is about half the supply voltage and adjust from there.

 

[Nostradoomus]

Definitely use C5K, it works wonders.

 

[lilnasty.666]

FUZZ: B5K (I recommend using a C5K here to make the control more usable)
VOLUME: A100K
TOP: B25K

Start with the trimmer set so that the Q3 collector is about half the supply voltage and adjust from there.

You mean trim to 4.5V between q3 collector and ground?

 

[mdc]

I built mine with the bias control as an external pot; the sweep is actually pretty subtle and I keep meaning to swap out a different value to see if it can go into gated/zippery territory.

 

[Chuck D. Bones]

You mean trim to 4.5V between q3 collector and ground?

Unless otherwise specified, all voltage measurements are with respect to ground.

I built mine with the bias control as an external pot; the sweep is actually pretty subtle and I keep meaning to swap out a different value to see if it can go into gated/zippery territory.

Making the BIAS pot larger will do it, try B25K. If that doesn't quite get you there, try lowering the 46K/47K resistor to 33K. The values you need for the collector resistors depend on Q2 & Q3's hFE (mostly Q2).

 

[Coda]

Can I ask where you got your flat wire/ribbon cable?...

 

[Nostradoomus]

No.



(I answered that earlier )

 

[Coda]

No.



(I answered that earlier )

Found it. I must have scanned right passed it. I was looking for some ribbon cable with the last order I placed. I’m not sure it it’s any easier than individual wire...

 

[Nostradoomus]

I find it way easier. If you don’t have an automatic wire stripper it will be a pain.

 

[Bobbyd67]

What value pots are you supposed to use, I’ve got my board ready and my enclosure drilled but there’s still no build doc up yet

Look on the other side of the board xD
... Took me a while to notice xD

 

[lilnasty.666]

Look on the other side of the board xD
... Took me a while to notice xD

wow ?‍