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Old 30th May 2013, 08:50 PM   #71
tinitus is offline tinitus  Europe
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I take it its the big 400mm with 4 heatsinks ?

considering its already expencive to build, I would choose 5U 300mm mono blocks
additional benefit, they could also work as 2 stereo amps (single ended)
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Old 30th May 2013, 09:01 PM   #72
tinitus is offline tinitus  Europe
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looking at the chassies in forum store I see now that the big 400mm 5U deluxe have special heatsinks with ribbed fins, which no doubt gives a bit more cooling than ususal straight fins
maybe not a lot, but likely to equal 10mm longer fins

means the special 200mm heatsink might be on par with the 'ordinary' 300mm heatsink
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Old 31st May 2013, 07:56 AM   #73
AndrewT is offline AndrewT  Scotland
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............. I have an F5Tv2 in 5U chassis and temperature is just fine. To be more precise: ~0.8A per device(4 of them per channel) at 32V rail.
Is this 102W/channel dissipation and you have one channel on each side for a total dissipation of 204W/chassis?
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Last edited by AndrewT; 31st May 2013 at 08:13 AM.
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Old 9th July 2013, 09:11 AM   #74
Jason is offline Jason  Australia
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The next batch of "10mm x 10mm grid" deluxe chassis has finished production and are presently half way across the Atlantic. Products should start shipping out around August 15th.

The deluxe chassis have been significantly improved for DIY use with a new 10x10 grid hole pattern in the base, riser panels that allow for an incredible number of mounting options and space optimization and a new blind hole pattern on the back of the front panel. The new PSU board is compatible with this 10x10 grid pattern and all new boards from the diyAudo store in the future will be featuring "10x10 grid compatibility". The 10x10 grid is a sane, open and non-proprietary pattern that circuit board designers can consider when placing mounting holes in circuit boards.

For those people that purchased the original chassis and want to get on the 10x10 train, we are making the new 10x10 300mm base and the 10x10 400mm base available for sale for the next 3 days to save you having to order it from Italy in the future. We'll ship them over by air next Monday with the ACA chassis. It won't be sold separately in the USA after this.

Of course there is also plenty of other new stuff available for pre-order in the store right now:
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Old 9th July 2013, 05:19 PM   #75
jtwrace is offline jtwrace  United States
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I hate to be "that guy" but here it goes....

Is there any talk of doing black front panels?
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Old 13th July 2013, 11:01 PM   #76
kimbal is offline kimbal  Australia
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This thread is for discussions about any of the chassis. For more information on this product, please see the product page below.

Threads on diyAudio or elsewhere on the internet that show off what can be done with these chassis or give creative ideas:
  • No threads yet - yours could be the first! Let us know by posting in this thread and we'll stick it in here!
Hi;

I'm looking at your - Deluxe 4U "Jack of all Chassis" (All Aluminum) - for fitting a couple of Leach Amps.

I would like to know what the thermal resistance of the heat sinks are.
What would be the maximum amplifier power rating usable for each heatsink for standard convection cooling ?
Can the heatsinks be provided untapped - no transistor mounting holes ?
What's the spacing distance between the transistor mounting holes provided ?
Thanks.
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Old 13th July 2013, 11:08 PM   #77
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Originally Posted by jtwrace View Post
I hate to be "that guy" but here it goes....

Is there any talk of doing black front panels?
I was wondering about this too...
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Old 14th July 2013, 01:36 PM   #78
Jason is offline Jason  Australia
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Quote:
Originally Posted by jtwrace View Post
I hate to be "that guy" but here it goes....

Is there any talk of doing black front panels?
Not currently. We have our hands full with the one color. Maybe in the future!

Quote:
Originally Posted by kimbal View Post
Hi;

I'm looking at your - Deluxe 4U "Jack of all Chassis" (All Aluminum) - for fitting a couple of Leach Amps.

I would like to know what the thermal resistance of the heat sinks are.
What would be the maximum amplifier power rating usable for each heatsink for standard convection cooling ?
Can the heatsinks be provided untapped - no transistor mounting holes ?
What's the spacing distance between the transistor mounting holes provided ?
Thanks.
For the heatsink dissipation check: 40mm Heatsink Information - you'll have to do the maths to work out whether your project is suitable or ask someone knowledgeable to help you work it out (I'm no dissipation guru).

Heatsinks can be untapped - just buy the all regular (non deluxe) version, although that will have steel top, bottom and back panels and no perforated base.

Transistor spacing mounting holes, check the UMS: http://www.diyaudio.com/forums/image...ation-v2.1.pdf

Any more questions just ask!
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Old 16th July 2013, 09:19 AM   #79
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Please confirm that the heatsinks of the 5u chassis are 0.28c dissipation for each 200mm module, so 2x 0.28 on each side?

The information isn't fully clear about this.
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Old 16th July 2013, 04:58 PM   #80
AndrewT is offline AndrewT  Scotland
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0.28C/W @ deltaT~80C sounds too good for a 200mm wide sink.
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