Film-Tech Cinema Systems
Film-Tech Forum ARCHIVE


  
my profile | my password | search | faq & rules | forum home
  next oldest topic   next newest topic
» Film-Tech Forum ARCHIVE   » Operations   » Digital Cinema Forum   » How Hot is Too Hot for Amplifiers? (Page 2)

 
This topic comprises 2 pages: 1  2 
 
Author Topic: How Hot is Too Hot for Amplifiers?
Marco Giustini
Film God

Posts: 2713
From: Reading, UK
Registered: Nov 2007


 - posted 09-08-2019 06:07 PM      Profile for Marco Giustini   Email Marco Giustini   Send New Private Message       Edit/Delete Post 
quote: Mark Gulbrandsen
It depends on the type of dirt thats in the air and where you are located as to weather your amplifiers will clog with dirt or not. My picture above is proof that DCA's will OBVIOUSLY clog
We know that only NEC filters don't clog. [Wink]

Never said they would never clog, just said they're very easygoing on dust. In your case, if the amps had been blown regularly with compressed air, you probably wouldn't have to open them.

What I am saying here is that if a DCA amp reaches the status of your picture in, say, 12 months (likely more I suspect), a different amp with a filter on the front panel would likely clog in a few weeks, requiring maintenance.

 |  IP: Logged

Mark Gulbrandsen
Resident Trollmaster

Posts: 16657
From: Music City
Registered: Jun 99


 - posted 09-09-2019 07:26 AM      Profile for Mark Gulbrandsen   Email Mark Gulbrandsen   Send New Private Message       Edit/Delete Post 
Actually NEC filters absolutely DO clog up. I had one site overheat an ICP because they forgot about the front set of filters that were hiding behind a rarely unused Real-D attachment.

Now I have never had any other sites have totally clogged up QSC heatsinks like that. BUt I have hada number where there was a pretty fair amount built up and cutting down dissipation efficiency.

Mark

 |  IP: Logged

Marlon Martins
Film Handler

Posts: 78
From: Torres, RS, Brazil
Registered: Apr 2015


 - posted 09-09-2019 08:44 PM      Profile for Marlon Martins   Email Marlon Martins   Send New Private Message       Edit/Delete Post 
A tip: if you get a portable AC, get one with dual hose. they are more efficient and effective.

in case of no place to put hoses, cutting the door is one option. (we did here in one boot to the projector exhaust)

 |  IP: Logged

Mark Gulbrandsen
Resident Trollmaster

Posts: 16657
From: Music City
Registered: Jun 99


 - posted 09-10-2019 01:05 PM      Profile for Mark Gulbrandsen   Email Mark Gulbrandsen   Send New Private Message       Edit/Delete Post 
Real picture... 30 wpc Pure Class A power amp.

 -

 |  IP: Logged

Martin McCaffery
Film God

Posts: 2481
From: Montgomery, AL
Registered: Jun 99


 - posted 09-20-2019 09:34 AM      Profile for Martin McCaffery   Author's Homepage   Email Martin McCaffery   Send New Private Message       Edit/Delete Post 
Well, the new ac is in, and the NAS is back in the rack.
The fans did the job. The temperature in the rack peaked at about 98 degrees, but we didn't have any problems.

 |  IP: Logged

Jarod Reddig
Jedi Master Film Handler

Posts: 513
From: Hays, Ks
Registered: Jun 2011


 - posted 09-25-2019 06:00 PM      Profile for Jarod Reddig   Email Jarod Reddig   Send New Private Message       Edit/Delete Post 
Good deal Martin.

 |  IP: Logged



All times are Central (GMT -6:00)
This topic comprises 2 pages: 1  2 
 
   Close Topic    Move Topic    Delete Topic    next oldest topic   next newest topic
 - Printer-friendly view of this topic
Hop To:



Powered by Infopop Corporation
UBB.classicTM 6.3.1.2

The Film-Tech Forums are designed for various members related to the cinema industry to express their opinions, viewpoints and testimonials on various products, services and events based upon speculation, personal knowledge and factual information through use, therefore all views represented here allow no liability upon the publishers of this web site and the owners of said views assume no liability for any ill will resulting from these postings. The posts made here are for educational as well as entertainment purposes and as such anyone viewing this portion of the website must accept these views as statements of the author of that opinion and agrees to release the authors from any and all liability.

© 1999-2020 Film-Tech Cinema Systems, LLC. All rights reserved.