NAD3130 heatsink suitable for gainclone ?

ash_dac · 12th June 2006, 08:21 PM

Hi,

I have gutted my NAD 3130 amp in preparation of a gainclone amplifier. The old heatsink previously had four To3 transistors attached. I do not know the C / W of the heatsink, and I'm not sure NAD did either but the case is well vented.

Could this heatsink be used for a 30W 2X LM3886 amplifier ? (Nad 3130 was rated at 30W I think)

edit:metal is about 3mm, and feels like aluminium

es44 · 12th June 2006, 08:41 PM

I can't tell from the pictures you've got there. But i can tell you that i'm running 2xlm3886 with two pieces (one each) of aluminium measuring 10mm x 150 mm x 70mm, and that's enough for me.
They are only slightly warm, i can easily touch them, my guess is 50 degrees, and ambient temp is right now 28 degrees (celcius)

best regards
Ebbe

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12th June 2006, 08:41 PM	#2
es44 diyAudio Member Join Date: Apr 2005 Location: Fredericia, DK	I can't tell from the pictures you've got there. But i can tell you that i'm running 2xlm3886 with two pieces (one each) of aluminium measuring 10mm x 150 mm x 70mm, and that's enough for me. They are only slightly warm, i can easily touch them, my guess is 50 degrees, and ambient temp is right now 28 degrees (celcius) best regards Ebbe

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