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RE: Refrigerated Rear compartment of Speakers?? Problems??

24.17.48.137

Caucasian Blackplate

In Reply to: RE: Refrigerated Rear compartment of Speakers?? Problems?? posted by Rafaro on February 15, 2015 at 05:35:01

Short of PA applications, it seems unlikely that most folks will ever throw enough power at their drivers to run into this issue. Look at L-pad resistor dividers in your average crossover, you may find an 8 Ohm 10W resistor in series with a driver, and they hold up OK.

My vote for cooling would be to have a large threaded hole in the pole piece, then thread in a water cooling block. A simple pump/radiator intended for cooling a computer's CPU could sit behind the speaker. Now that would be fun!

It is also worth noting that field coil drivers run insanely hot, so you can design for such things in the first place.

Follow Ups:

RE: Refrigerated Rear compartment of Speakers?? Problems?? - Rafaro 04:07:02 02/17/15 (2)
Hello Steve and Caucasian:

Yes horn drivers experience less thermal stress because of the greater electric to acoustic efficiency but imagine the output being able to push them 50% more!!!

Liquid cooling has already been done along with other methods of reducing VC overheating by conduction. These work better than air cooling as air is actually an excellent insulator and just removes radiated heat and poorly at that. Refrigeration is easy to do applies to all drivers no specific yoke etc needs to be designed to each driver.

Rafaro
- Why don't you construct prototypes? - Craiger56 12:53:39 02/17/15 (1)
  You don't seem to understand the great advise given so far.
  
  If you construct working models and live with them for a month or two then you can see for yourself how valuable your idea is.
  
  Craig
  - RE: Why don't you construct prototypes? - Rafaro 21:38:58 02/17/15 (0)
    Right....I always pass new sometimes crazy ideas by the forum as a filter. I was hoping someone had seen, heard of or had tried this but even in this very knowledgeable group with many Pros it seems it has not been done. I think it has potential I will proceed with prototypes.
    thanks
    
    Rafaro
    
    Edits: 02/17/15

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