Noll TCM 3 Volume issue

[larrygs]

Any of you use this same preamp?

Let's say volume goes from 1 to 10 on the volume pot, when you turn the pot, only from 9 to 10 go get volume, less than that there is no volume at all.
It came with a Linear Taper Volume pot, so thinking it was the pot I replace it with an Audio Taper Volume pot. Same result.

I just want to know if this is normal with this preamp or there is something defective.

It came prewired, but when I replaced the pot I did follow this diagram:

http://noll-electronic.de/files/a25_tcm3_wiring_diagram.pdf

Thanks!

Larry

 

[Crater]

It sounds like you used the wrong value pot for your volume control.

 

[larrygs]

It sounds like you used the wrong value pot for your volume control.

250k just like the stock one, still the original and the replacement are the same value and I get the same result.

 

[wyrmspawn]

I have no problem with my tcm2's volume pot. I had the same problem with bad or uneven volume regulation using a 1 meg pot and truly very hot pup.

 

[mustBmtd]

If you haven't gotten any results yet. Check with my friend fruitlabor. He knows these preamps really well.

 

[larrygs]

If you haven't gotten any results yet. Check with my friend fruitlabor. He knows these preamps really well.

I will thanks!

Larry

 

[wyrmspawn]

Do you use passive pickups?

 

[larrygs]

Do you use passive pickups?

Correct.

 

[wyrmspawn]

What pot was installed before the noll?

 

[larrygs]

What pot was installed before the noll?

The preamp came prewired with all pots, 250k Linear from stock.

 

[wyrmspawn]

Mail Klaus Noll.