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Old 11th November 2011, 11:06 AM   #1
Toride is offline Toride  Belgium
diyAudio Member
 
Join Date: May 2006
Default help with final steps of LD91 build

Hi,
I am finally going to finish the LD91 monos that I started a long (!) time ago. I'm building with the Tent Labs filament supply board directly. I have made most of the connections - I just need to attach and connect the Tent board, connect up, check everything several times (I'm a nervous builder!) and test.

Could anyone tell me how best to attach the Tent boards to the amplifier chassis?

Thanks for any help !
Nick
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Old 12th November 2011, 08:49 AM   #2
Previously: Kuei Yang Wang
 
Join Date: Nov 2002
Hi,

Quote:
Originally Posted by Toride View Post
Could anyone tell me how best to attach the Tent boards to the amplifier chassis?
Use suitable threaded stand-off's like this:

Click the image to open in full size.

Ciao T
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Old 15th November 2011, 09:50 PM   #3
Toride is offline Toride  Belgium
diyAudio Member
 
Join Date: May 2006
Hi Thorsten,
Thanks for taking time to reply - much appreciated. I thought this would be it - but I can't see any means of attaching the spacers to the chassis (no tapped holes or protruding bolts). Does this mean I have to drill and tap holes in the chassis for the stand-offs? I'm wary of doing this as the transformers are in this region of the chassis. (I have a picture of finished mono with the Tent boards over the 16V 15000F caps/rectifier bridge. I assume I have to remove the caps before attaching the Tent board.)
Thanks again for the help.
Nick
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Old 16th November 2011, 05:06 AM   #4
Previously: Kuei Yang Wang
 
Join Date: Nov 2002
Hi,

Quote:
Originally Posted by Toride View Post
Thanks for taking time to reply - much appreciated. I thought this would be it - but I can't see any means of attaching the spacers to the chassis (no tapped holes or protruding bolts). Does this mean I have to drill and tap holes in the chassis for the stand-offs?
Just drill holes and use screws through the chassis.

Quote:
Originally Posted by Toride View Post
I'm wary of doing this as the transformers are in this region of the chassis.
You need to dismount the Transformers before drilling the chassis. With a little ingenuity the screws can be hidden under the transformers if countersunk screws are used.

Quote:
Originally Posted by Toride View Post
I have a picture of finished mono with the Tent boards over the 16V 15000F caps/rectifier bridge. I assume I have to remove the caps before attaching the Tent board.
Sorry, Tent Labs stopped supplying diyhifisupply quite a few years ago, so I am unsure how things looked and where handled back then.

The boards require a direct AC feed, so you need to remove the original bridge and capacitor though.

Ciao T
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Old 25th November 2011, 07:05 AM   #5
Toride is offline Toride  Belgium
diyAudio Member
 
Join Date: May 2006
Hi,
Thanks again for the info. I suppose I should have drilled and mounted the Tent boards before connecting up. Are there any things to be wary of before dismounting the transformers?
Greets,
Nick
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