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Old 21st June 2017, 08:55 AM   #51
saf is offline saf  Portugal
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I do not know your chassis layout or height space...
But if there is room enough, you could do something unorthodox and quite efective:
Mount the heatsinks with fins pointing upwards, and modules pointing downwards.
This will be harder to mount/dismount the wires, but when its done ...its done.
I believe the heat will dissipate very efficiently this way.
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Old 21st June 2017, 09:24 AM   #52
suresh is offline suresh  India
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please have a look at post no 64 or even the previous page in the link below . the heat sink i used is horizontal one . my speaker is a tough load but 8 ohms . if your speaker is 4 ohms then you have to be very careful. if the fins are projected outside the cabinet then it may be suitable.

Maya200
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Old 27th June 2017, 08:55 AM   #53
AKSA is offline AKSA  Australia
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Sene,

How are going with your heatsink issues?

Thanks to Raj and Felipe - as owners, the know exactly the thermal requirements of the Maya 200.........

Hugh
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Old 27th June 2017, 09:45 AM   #54
andyr is offline andyr  Australia
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Quote:
Originally Posted by stvnharr View Post
I think you just have to consider the horizontal finned heatsink as a learning experience not to be repeated again.
Wise advice, Steven ... we can all make mistakes like this.

Quote:
Originally Posted by stvnharr View Post
Don't know why you didn't get the modules with attached heatsinks, as that the best choice
Aaah, the push of every DIYer (well, at least first-time DIYer) to "save money" - which sometimes doesn't work out that way!

Andy
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Old 27th June 2017, 01:32 PM   #55
sene is offline sene  Jamaica
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Hugh,Steven,Andy
Thank you all for your inputs.I went ahead and had the heat sinks cut like i had mention before and realign the pieces by joining them together in a manner where the fins are now vertical.That part of the project is now completed and i am very pleased with the outcome.I was not able to source the preferred EI transformers so i am waiting the arrival of the recommended toroidal Anteks any day now...
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Old 27th June 2017, 04:25 PM   #56
saf is offline saf  Portugal
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Show us a picture....or it 'aint true !
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Old 27th June 2017, 10:30 PM   #57
stvnharr is offline stvnharr  Australia
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Quote:
Originally Posted by sene View Post
Hugh,Steven,Andy
Thank you all for your inputs.I went ahead and had the heat sinks cut like i had mention before and realign the pieces by joining them together in a manner where the fins are now vertical.That part of the project is now completed and i am very pleased with the outcome.I was not able to source the preferred EI transformers so i am waiting the arrival of the recommended toroidal Anteks any day now...
Oh good that you've had success with this. You will be pleased that you've done this and now have the fins vertically aligned.
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Old 27th June 2017, 11:12 PM   #58
stvnharr is offline stvnharr  Australia
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Quote:
Originally Posted by andyr View Post
Wise advice, Steven ... we can all make mistakes like this.
It was quite awhile ago that I did this and I was totally befuddled when the heatsinks arrived with the horizontal orientation. But I quickly figured out my mistake and reordered correctly. The horizontals eventually went into the recycle bin.
I might add that it's much easier to order from Julian at Conrad.
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Old 28th June 2017, 12:35 AM   #59
AKSA is offline AKSA  Australia
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Steve,

But for o/seas the weight and bulk of the Conrad heatsinks doubles the shipping costs, a major issue for kit builders.

Hugh
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Old 28th June 2017, 12:46 AM   #60
stvnharr is offline stvnharr  Australia
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Steve,

But for o/seas the weight and bulk of the Conrad heatsinks doubles the shipping costs, a major issue for kit builders.

Hugh
International shipping is expensive. It's part of the cost and there's no way around it.
Some vendors have shipping estimators which is helpful when ordering so that there's less of a surprise when shipping cost exceeds goods cost.

Last edited by stvnharr; 28th June 2017 at 12:55 AM.
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