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- Jun 23, 2004
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- HELL, were else?
I see Peltier here and there, it looks like an Awsome cooling solution but....Why is it so expensive? I dont see the reason for the huge prices, please explain to shed some light on the subjest. thanx.
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Why is peltier so expensive?
- Thread starter Hellion
- Start date
- Joined
- Apr 26, 2004
- Location
- The Netherlands
Nothing spectacular about the production or so..just plain economics.
Demand by far exceeds supply.
If they were 20$ a piece, i'd already be having 3 of them, but i don't, because they are so expensive. Though still, people buy them. That way, it's much more profitable for the industry to make a few of them and sell them expensive, then to make alot and sell them cheap.
Demand by far exceeds supply.
If they were 20$ a piece, i'd already be having 3 of them, but i don't, because they are so expensive. Though still, people buy them. That way, it's much more profitable for the industry to make a few of them and sell them expensive, then to make alot and sell them cheap.
OP
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- Jun 23, 2004
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- HELL, were else?
- Thread Starter
- #3
Yah but still. Even if they brought it down a little. i mean ive seen them for $400. if it was a little bit lower than now than they would apeal to more people, an still not lose too much money. in fact, they might even make more of a profit, by skimming 50 or so dollars off and they would get that much more back, then some. ah well, its a pointless argument because there is nothing we can do.
- Joined
- May 28, 2004
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- The Netherlands
Dude, do a search on ebay for the seller thermalenterprises. They sells 350 watt peltiers for 20 bucks..i don't think that's really expensive IMHO
- Joined
- Apr 26, 2004
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- The Netherlands
lucas81 said:
Well, that would be good. If one producer starts selling them cheap, all the rest can do is go with em to keep their marketshare
- Joined
- May 28, 2004
- Location
- The Netherlands
Well there is an groupbuy, on inkoopacties.nl for peltiers. I noticed you are dutch too, so, if you really want one, you can check there. But ia is about to end if i remember correctly so...but the highest wattage they have there is euhm....200 something watt.
- Joined
- Jan 19, 2003
Hellion said:
$400? *cough*cough*rippoff*coug*cough*
- Joined
- Feb 4, 2003
- Location
- SF Bay Area
The real price issue that arises with pelts is powering them. A high quality bench supply will run you at least $80USD or so, and you need one per pelt most of the time.
OP
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- Jun 23, 2004
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- HELL, were else?
- Thread Starter
- #10
dukat said:
I was being sarcastic. But no offense taken. Ill be more specific next time. Anyway, about that $20 pelt?....thanks ill start lookin.
- Joined
- Jan 1, 2004
- Location
- Upstate New York
Exactly what is a pelt, I know what they do, what temps they might get and I've seen guides on them but whats inside that makes it transfer the heat from the cold side to the hot side?
- Joined
- Jan 19, 2003
KOXC2003 said:
Here's a good article: http://www.cheese83.freeserve.co.uk/comp/water/peltier/peltier_phys.htm
- Joined
- May 11, 2003
i've never seen a pelt sell for more than 50 dollars... most places sell 80W ones for $25 and 226W for $38... the power supply... well now, that's a different topic all together... but wouldn't a cheesy generic PS work? i mean you really don't need 12V @ 20A for a 226W at a 3% tolerance do you?
OP
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- Jun 23, 2004
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- Thread Starter
- #14
ketchup318 said:
I guess i should specify more, i meant ALL pieces that make it work, not just the pelt itself. sorry
- Joined
- Jan 19, 2003
ketchup318 said:
Actually 20 amps is about what a 226 draws at 12v, and most cheesy generic supplies don't live up to their specs. You're right that you don't need any fancy low ripple supply, but you do need a hoss. You could build your own, but I wasted plenty of money trying to build one myself, and ended up buying one.
- Joined
- Nov 24, 2001
- Location
- Dallas, Georgia
I picked up a 110 w for $6 and a 320w for $25 about two weeks ago off ebay.
- Joined
- Nov 30, 2003
- Location
- Illinois
i've seen some 226watt pelts for about 35. but it gets you to about the same if not lower temps than a phase change system for substatially less so i wouldn't complain.
- Joined
- Jun 2, 2004
how cold do these things get-- say the one from ebay
http://cgi.ebay.com/ws/eBayISAPI.dll?ViewItem&category=3673&item=3491687693&rd=1&ssPageName=WDVW
could that cool a 2400+ mobile @ 2.5-6ghz?
http://cgi.ebay.com/ws/eBayISAPI.dll?ViewItem&category=3673&item=3491687693&rd=1&ssPageName=WDVW
could that cool a 2400+ mobile @ 2.5-6ghz?
OP
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- Thread Starter
- #19
Phase change! good, but uh...how cold would it get a P4 2.8 E prescott like mine? its OC @3.5
good, but uh...how cold would it get a P4 2.8 E prescott like mine? its OC @3.5
- Joined
- May 4, 2004
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- Madison, WI
TheCheat said:
The ice crystal that form around them should give you an idea. Just have to have a very good cooling solution for the hot side.
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