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Old 8th July 2012, 10:50 AM   #1
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Join Date: Jun 2011
Location: Hobart Australia
Question tubelab SE component mounting

Hi all,

I have yet another question about the SE, Is there any reason I cant mount all the caps and the transistors on the underside of the board?

Why do I want to do this?

Aesthetics, I want to put the board in a chassis make it shiny and so on.

Obviously i would prefer it work properly and sound great before anything else.

thanks

Last edited by magnetman; 8th July 2012 at 10:56 AM.
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Old 8th July 2012, 01:19 PM   #2
DF96 is offline DF96  England
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Will cooling be an issue? Less air flow under a chassis.
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Old 8th July 2012, 04:45 PM   #3
Jpeg is offline Jpeg  United States
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Join Date: Dec 2010
Location: Akron Ohio
Yes, you can do it. That is how I did mine and how several other's have been built. The hardest part is the filiment regulator, it has 2 rows of pins that don't match when placed on the bottom of the board. It takes some real 'quality time' with a pair of needle nose pliers to get them all to match up. You also have to get creative with heat sinc mounting.

If you have not already, I reccomend going though this post:
Pictures of your Tubelab amp

Some really good ideas here.
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Old 8th July 2012, 09:02 PM   #4
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Join Date: Jun 2011
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Cooling may be an issue, I will have to ensure adequate ventilation, I have also noticed that George has used a chunky heatsink at the back of the board it appears to be attached to the PQ5EV5 Voltage reg.

I have seen that post a while ago, thank you for reminding me of its existence.

I had forgotten about the 5 pin IC, shouldn't be too hard though. Awesome!

I was also thinking of lifting the tube sockets up off the board not far mind you, I want to attach them on the underside of the chassis directly above where they would normally sit max extension of about 18mm (3/4") give or take a couple of mm. is this going to cause problems has anyone done this before?

cheers
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Old 8th July 2012, 09:31 PM   #5
Jpeg is offline Jpeg  United States
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Location: Akron Ohio
I have not tried that. There is a thread on it though:

Tubelab SE - Sockets off PCB?
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Old 8th July 2012, 09:52 PM   #6
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Join Date: Jun 2011
Location: Hobart Australia
Cheers, I won't be doing that then, that's for the 'too hard basket' it seems to me that all I need to do us mount all the components on the reverse side and have some holes accurately punched in my chassis.

Once again thanks!
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