think thisīll take 3Kw |
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roborg
Registered User Joined: 05 July 2004 Location: United Kingdom Status: Offline Points: 1026 |
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yep the club install 1850's are all vented with 40mm plastic tubing so that air flows directly past the rear vent. They receive cool air from the club air conditioning, not the hot sweaty juice that passes for air inside the club
They all work fine as long as the high pass of the horn is respected! Two of the vent tubes melted when the coils were mashing themselves up on the backplate a while back.
They've taken over 1.4Kw per cab fairly compressed (compressor ~3:1 before the x-over) techno for several hours stretches without overheating (so maybe a couple of hundred watts to dissipate) When i can actually get my act together i'll do a smaart analysis & see how much power-compression they suffer over the night.
The vented mt102's are really cute, after a good nights thrashing (1.2K per cab) the back of the drivers are pretty warm, but not hot (the rear of the drivers are exposed my my mt102s so the drivers vent directly to the outside world.
For me, future designs will be all metal access plate cooled (like the terminator2 horn , search on the forum for a link) I don't really like the open & quite fragile tubing anymore.
cheers,
Rob
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What I cannot create, I do not understand
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ceharden
The 10,000 Points Club Joined: 05 June 2005 Location: Southampton Status: Offline Points: 11776 |
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Been thinking about cooling for neo drivers in very small rear chambers
(mid horns). I think a good plan is to mould some rear chambers
out of fibreglass and mount some aluminium heatsink in it next to the
voice coil vents. Maybe some parasitically powered fans on each
side if necessary.
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