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A guide to building the Pass F4 amplifier.
A guide to building the Pass F4 amplifier.
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Old 12th January 2021, 10:43 AM   #2431
thimios is offline thimios  Greece
diyAudio Member
Join Date: Aug 2009
Location: Agrinion
A guide to building the Pass F4 amplifier.
Thanks Zen!
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Old 12th January 2021, 02:20 PM   #2432
Norgaard is offline Norgaard  Denmark
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Join Date: Sep 2007
Location: Viborg
Originally Posted by nkostop View Post
So for the Keratherm and the effort to avoid disasters like the one mentioned my Zen Mod, I have also this:
SCI A18-9E Semiconductor mounting set (L x W) 22.3 mm x 15.2 mm Suitable for TO 247 1 Set | Conrad.com
Is this better or should I order the 86/82 type?
These questions may seem naive but the terminology in electronics is different in Greek language and sometimes makes it difficult to find the right part, even if it is something simple!

These look suspiciously close to the ones I am using on the ClassA's including the F4 balanced monos - due to their excellent heat transfer, however I am using these with heat paste! It is ceramic discs, they are flat - and they are brittle, so if the heat sink isn't perfectly flat they might either break or not get a good thermal contact with a nice thin layer of paste. That said I am very pleased with the performance.
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