K&K Audio / Lundahl Transformers

updates and reformulation of questions

72.54.202.114

In Reply to: RE: heat dissipation posted by raq on November 29, 2007 at 04:45:31

Kevin,

Thank you for your answer to the other post I placed.

I'm writing with some updates due to the time I had to research the subject in the meantime. I'm only addressing the following part of my post:

"Do you have any suggestions for a digikey or mouser heat sink (or you have something available for purchase?)?",

the rest stays open to your answers, whenever you get a chance. Here it goes:

Digikey and/or Mouser don't seem to be helpful, their extrusion profiles stock is quasi-inexistent. I will probably use the local Aavid dealer to custom build a heatsink per my space limitations constrictions - unless you advise me that your larger heatsink will suffice for my application, and then I might go ahead and order four kits with large heatsinks (pending sorting out fitting three of your kits, one w/ small HSs, two w/ large HSs, within same space limitations).

To sum up, whenever you get a chance, please let me know:
1. What would you estimate voltage drop on the CCSs would be if I use two in parallel in cathodes of my PP tubes (per your previous advice / design), and
2. Whether your large HS would be enough for that application.

Thank you, I appreciate your courtesy and really helpful support.
Best regards,
Radu.

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