2 of the 350mm heatsinks, especially the flat back version, should be enough for a stereo A30. They are definately enough for a A30 mono block. The finnis A60 runs on the hot side according to his website, using 2 300mm flanged heatsinks. Bigger heatsinks at a third less power should be fine.
The Conrad heatsinks are priced great, but the shipping is really terrific. I received mine by Aussie Post. 4 of their biggest heatsinks cost about $15USD delivered!
-David
The Conrad heatsinks are priced great, but the shipping is really terrific. I received mine by Aussie Post. 4 of their biggest heatsinks cost about $15USD delivered!
-David
dw8083 said:2 of the 350mm heatsinks, especially the flat back version, should be enough for a stereo A30. They are definately enough for a A30 mono block. The finnis A60 runs on the hot side according to his website, using 2 300mm flanged heatsinks. Bigger heatsinks at a third less power should be fine.
The Conrad heatsinks are priced great, but the shipping is really terrific. I received mine by Aussie Post. 4 of their biggest heatsinks cost about $15USD delivered!
-David
sounds great... now i just have to find out wich design i would build..
is there any place where i can buy the pcb to an A30??
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wuffer said:
sounds great... now i just have to find out wich design i would build..
is there any place where i can buy the pcb to an A30??
http://www.chipamp.com/Aleph/
Or Contact Brian.
brian@chipamp.com
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Joined 2002
wuffer said:out of stock but i dont need the pcb right now
Contact him see what your options are.
dw8083 said:
You need to apply a correction factor of 1.4 to the Conrad rating to compensate for the right operating range.
.30 * 1.4 = .42 C/W
Why is this addiotional correction factor needed?? Regarding to what??
Conrad specifies its heatsinks at 80C rise above ambient. At lower rises the performance is less due to lower convective airflow. They provide a handy chart to help you predict performance in your situation here: http://www.conradheatsinks.com/technical_details.html (shoot for around 30C rise to have roughly 55C heat sinks.)
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