submerged gainclone...

nerd of nerds · 3rd October 2005, 10:09 PM

hi!

i got a craaaazy idea...

so, there are all these people building submerged pcs where the motherboard is submerged into a non conducting liquid substance such as oil...

I got to thinking about how this could work for a gainclone...

the entire thing would be very well insulated from radiowaves...when they store radioactive nuclear waste they submerge it into liquid which dampens the waves...

there would be no need for a heatsink because of the fact that its submerged into a liquid...

it'd look really cool

the only downside i can think of is the audio cables would have to be in a seperate enclosure...thats the only downside i can think of other than a mildly complex enclosure...

ideas? thoughts? rants?

BWRX · 3rd October 2005, 10:34 PM

it would be a pain if you needed/wanted to change/replace parts on the board. it sounds like a cool idea. try it out and let us know how it goes

SY · 3rd October 2005, 10:48 PM

www.spraycool.com for a different approach to the same thing.

nerd of nerds · 4th October 2005, 12:13 AM

i'm thinking about making a craptop of pcbs all on one board...

in theory this should work really well...no interference from outside sources...VERY well insulated...

one could make an insane parallel gainclone inside a tiny enclosure...there would be no need to spend the extra money on the isolated version of the gainclone...

i'm working on a cheapy p2p gainclone to test this with...

i think i'm gonna use some 6v lantern batteries to test it with because liquids combined with wall sockets scare the sh*t out of me...

xplod1236 · 4th October 2005, 01:03 AM

What kind of liquid would you use for this?

SY · 4th October 2005, 01:08 AM

Fluorinert.

demogorgon · 4th October 2005, 02:17 PM

[nerdrampage]
LOLLOLLOLLOLLOL!!
OMGOMGOMG
!!!!11111
[/nerdrampage]

fluorinert?
yeah, thats cheap.. real cheap..

for your test go for de-ionized water..

nerd of nerds · 4th October 2005, 10:59 PM

nah, if i DO this i'll use some kind of oil...

ir · 5th October 2005, 04:20 AM

mineral oil works well

you'll still need a heatsink for the chips - not as big a one as you would for air cooling, but you still need to transfer the heat from a small point on the chip into a large amount of oil

all said and done however, the chips have an INTERNAL current limiter. you can achieve the chips maximum output with a moderatley small heatisnk anyways. using oil won't allow you to push the chips further. sure, you could make a larger bridged-parallel unit i guess. but even then, a decent chunky heatsink would do the job adeqautely, whereas with oil you'll need a fairly large volume as unlike air, the oil isn't cycling - it's jsut getting hotter and hotter

Peter Daniel · 5th October 2005, 04:33 AM

There was a thread about a similar idea once: Is LM3875 chip waterproof?

3rd October 2005, 10:09 PM	#1
nerd of nerds diyAudio Member Join Date: Apr 2004 Location: U.S.A.	submerged gainclone... hi! i got a craaaazy idea... so, there are all these people building submerged pcs where the motherboard is submerged into a non conducting liquid substance such as oil... I got to thinking about how this could work for a gainclone... the entire thing would be very well insulated from radiowaves...when they store radioactive nuclear waste they submerge it into liquid which dampens the waves... there would be no need for a heatsink because of the fact that its submerged into a liquid... it'd look really cool the only downside i can think of is the audio cables would have to be in a seperate enclosure...thats the only downside i can think of other than a mildly complex enclosure... ideas? thoughts? rants?

3rd October 2005, 10:48 PM	#3
SY diyAudio Moderator Join Date: Oct 2002 Location: Austin, TX Blog Entries: 1	www.spraycool.com for a different approach to the same thing. __________________ “Listening to records is like ****ing a picture of Brigitte Bardot.” - Sergiu Celibidache

4th October 2005, 01:08 AM	#6
SY diyAudio Moderator Join Date: Oct 2002 Location: Austin, TX Blog Entries: 1	Fluorinert. __________________ “Listening to records is like ****ing a picture of Brigitte Bardot.” - Sergiu Celibidache

5th October 2005, 04:33 AM	#10
Peter Daniel diyAudio Member Join Date: Jul 2002 Location: Toronto, Canada	There was a thread about a similar idea once: Is LM3875 chip waterproof? __________________ www.audiosector.com “Do something really well. See how much time it takes. It might be a product, a work of art, who knows? Then give it away cheaply, just because you feel that it should not cost so much, even if it took a lot of time and expensive materials to make it.” - JC

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3rd October 2005, 10:34 PM	#2
BWRX diyAudio Moderator Emeritus Join Date: Jan 2005 Location: Pennsylvania	it would be a pain if you needed/wanted to change/replace parts on the board. it sounds like a cool idea. try it out and let us know how it goes

4th October 2005, 12:13 AM	#4
nerd of nerds diyAudio Member Join Date: Apr 2004 Location: U.S.A.	i'm thinking about making a craptop of pcbs all on one board... in theory this should work really well...no interference from outside sources...VERY well insulated... one could make an insane parallel gainclone inside a tiny enclosure...there would be no need to spend the extra money on the isolated version of the gainclone... i'm working on a cheapy p2p gainclone to test this with... i think i'm gonna use some 6v lantern batteries to test it with because liquids combined with wall sockets scare the sh*t out of me...

4th October 2005, 01:03 AM	#5
xplod1236 diyAudio Member Join Date: Dec 2003 Location: On the couch	What kind of liquid would you use for this?

4th October 2005, 02:17 PM	#7
demogorgon diyAudio Member Join Date: Jul 2004 Location: Behind you.	[nerdrampage] LOLLOLLOLLOLLOL!! OMGOMGOMG !!!!11111 [/nerdrampage] fluorinert? yeah, thats cheap.. real cheap.. for your test go for de-ionized water..

4th October 2005, 10:59 PM	#8
nerd of nerds diyAudio Member Join Date: Apr 2004 Location: U.S.A.	nah, if i DO this i'll use some kind of oil...

5th October 2005, 04:20 AM	#9
ir diyAudio Member Join Date: Aug 2003 Location: WGTN, NZ	mineral oil works well you'll still need a heatsink for the chips - not as big a one as you would for air cooling, but you still need to transfer the heat from a small point on the chip into a large amount of oil all said and done however, the chips have an INTERNAL current limiter. you can achieve the chips maximum output with a moderatley small heatisnk anyways. using oil won't allow you to push the chips further. sure, you could make a larger bridged-parallel unit i guess. but even then, a decent chunky heatsink would do the job adeqautely, whereas with oil you'll need a fairly large volume as unlike air, the oil isn't cycling - it's jsut getting hotter and hotter

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