Lightspeed Attenuator a new passive preamp

[rayma]

They don't make any mono stepped pots, but at those prices, just buy two and only use one section of each.

 

[fartblind]

Nice!

Just to be sure. Will they work in the mono set up. I mean input to the middle “pin”, output to the left and right “pins”?

 

[rayma]

The pinout is the same as any volume pot.

 

[fartblind]

I’ve been reading info about TDK 2CP-2511/4CP-2511, there they states “Please take care not to use for setting resistance value, as, if so, we are afraid that a trouble may happen.” Therefore the question. Otherwise no problem, got it!

 

[rayma]

I think they mean "no DC current through the pot".

 

[fartblind]

Yes, ought to be. Would have been nice if they actually written it….

 

[Thomas Lieberkind]

Hi

I have a few questions:

Where do i get the Solinec nsl 32sr2 ?
Are the Advanced Photonix nsl 32sr2 from DigiKey just as good ?
How do i make sure, that the ones i get, are all grade A ?

Hope that someone will answer..

Thanks

 

[georgehifi]

How do i make sure, that the ones i get, are all grade A ?

If you want the ones that are going to give you a closer match with less left overs (waist), you need to hunt down the NSL32SR2S (the 'S" on the end stands for selected) you still have to mach them up, they cost more but you 'll need far less of them to get the matched sets, and you'll get a lower minimum volume from the "S" ones as they have a lower min impedance.

https://www.digikey.com/en/products/detail/advanced-photonix/NSL-32SR2S/5039807

https://www.crestcomponents.com.au/nsl32sr2s-p-165.html

https://www.heisener.com/ProductDetail/NSL-32SR2S

Cheers George

 

[Thomas Lieberkind]

Thank you George, i have ordered 30 from DigiKey.

Cheers