#1790563 - 08/02/07 08:41 PM
Re: Leave rack spaces open above and below tube gear?
[Re: Matt.Hepworth]
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audiorulez
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Registered: 06/20/07
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Top and bottom. Heat rises, if the air cannot pass easily up through the unit, it will not properly cool.
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#1792325 - 08/07/07 06:59 AM
Re: Leave rack spaces open above and below tube gear?
[Re: Bill@Welcome Home Studios]
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audiorulez
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True Bill it really depends on the gear. And yes, it's not just tube gear that gets hot. I've a Focusrite SS comp that has to have space top and bottom or it will go into thermal shutdown. However, there's no harm in leaving more rather than less space.
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#1795290 - 08/13/07 08:34 PM
Re: Leave rack spaces open above and below tube gear?
[Re: audiorulez]
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paris
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Registered: 08/06/07
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Loc: Kamloops B.C.
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I have installed 2x112 volt 4.5 inch fans on a 3 space rack plate to blow the air and heat out of the console with the power amps and and the Mac G5s and also left space between the amps for circulation. I also placed a thermometer in side the console rack to check ambient temperatures once it reaches 85 F + I turn on the fans and monitor closely. I had the power supply blow its caps in my REV 7 becuase it got too hot.
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#1795363 - 08/14/07 04:19 AM
Re: Leave rack spaces open above and below tube gear?
[Re: paris]
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Bill@Welcome Home Studios
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I have installed 2x112 volt 4.5 inch fans ....
My room is much to quiet to support fans running in the background.
I remember when I had a pair of Rev7s, really liked those pieces but for their self-noise. To my mind, probably the best effect that Yamaha ever produced. Ergonomically friendly, great assortment of programmable choices, and easy to program.
Bill
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"...it's easier than hitting the kids, and almost as much fun..."
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#1795431 - 08/14/07 06:13 AM
Re: Leave rack spaces open above and below tube gear?
[Re: Bill@Welcome Home Studios]
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audiorulez
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There are many silent fans available that are not that costly, and are all but silent.
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#1795434 - 08/14/07 06:17 AM
Re: Leave rack spaces open above and below tube gear?
[Re: audiorulez]
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Bill@Welcome Home Studios
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There are many silent fans available that are not that costly, and are all but silent.
Yes, I have them in my computer, along with speed controls. The computer has always sat in the machine room. But these fans will not work in my racks, in my room. Too noisy. As always, your mileage may vary.
Bill
Edited by Bill@Welcome Home Studios (08/14/07 06:19 AM)
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#1795466 - 08/14/07 07:41 AM
Re: Leave rack spaces open above and below tube gear?
[Re: Bill@Welcome Home Studios]
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audiorulez
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Then you should get some different fans, obviously the ones you have are not silent design. We have several in our racks, and they are inaudible and added less than 2db to the quiet noise level of our CR.
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#1795710 - 08/14/07 02:25 PM
Re: Leave rack spaces open above and below tube gear?
[Re: audiorulez]
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miroslav
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So...which make/model fans are they that are inaudible...?
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miroslav - miroslavmusic.com"Just because it happened to you, it doesn't mean it's important."
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#1795731 - 08/14/07 03:15 PM
Re: Leave rack spaces open above and below tube gear?
[Re: Griffinator]
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audiorulez
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Griffinator, read my post, I did offer a suggestion, and I did not talk down, so please don't try to put words in my mouth.
I believe the OP is smart enough to do a simple search on their own.
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#1795756 - 08/14/07 04:49 PM
Re: Leave rack spaces open above and below tube gear?
[Re: Griffinator]
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audiorulez
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There are far too many to list, I personally don't remember what we use. When comparing simply look at the SPL level listed for the fan.
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#1795763 - 08/14/07 05:09 PM
Re: Leave rack spaces open above and below tube gear?
[Re: audiorulez]
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miroslav
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Yes...I agree on the fans.
Many claim to be "silent"...then when I try them in the studio...heck, I can hear them running from 20 feet away...
...so I have to assume that mics will hear them and they might create enough background noise that can mask things when you are mixing.
I just thought if you truly did find some "inaudbile" make/model fans...I would surley check them out specifically...rather than buy into manufacturer's claims...
Maybe next time you are in your studio...you can poke your head behind the racks and then let us know the make/model...?
Edited by miroslav (08/14/07 05:12 PM)
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miroslav - miroslavmusic.com"Just because it happened to you, it doesn't mean it's important."
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#1795765 - 08/14/07 05:24 PM
Re: Leave rack spaces open above and below tube gear?
[Re: miroslav]
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audiorulez
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It appears we are using some Zalman ZM1's. I'm current about 5 feet from 4 of them and wouldn't know they are there if I hadn't looked. Airflow spec is 20.6 CFM and noise output 20dbA.
Happy now?
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#1795772 - 08/14/07 05:52 PM
Re: Leave rack spaces open above and below tube gear?
[Re: audiorulez]
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paris
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in the G5's they use delta AFB0912vh 12 volt DC for the back exhaust behind the processors to push the heat out, these use scooped blades and have sensors on them and only Ramp up if the temp reaches theshold , couple these with a veriable
speed control run the fans constantly at 5-7 volts they become silent, boost to 12 volts they become a wind tunnel , due to the nature of the scooped blades they run extremly quiet.
I using very powerfull and noisy 112 volt 4" to move the air away from the power amps and comps but only for short bursts and monitor the comps temp at the CPU
I try to maintain 35-40 c max on the comps.
I have foung the G5 towers to be REALLY quiet running 6 fans internally
Paris
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#1795842 - 08/14/07 08:34 PM
Re: Leave rack spaces open above and below tube gear?
[Re: miroslav]
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paris
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I use both 2x112 volt 4" fans on a 3 space rack plate this is the work horse move tons of air fast , but these are loud and I would not fire them up with live mics , however to solve the initial prob of keeping things like tube amps power amps etc at a relitively safe temp these are great they could be gerry rigged to on a veriac device (dimmer etc ) provided they are used on a separate a/c circuit than the studio gear. dimmers and flourecents in line with studio gear is a hum waiting to happen.
computer fans12volt D/C can be adapted to run at a verispeed 5-7 volts (wall wort or comp fan speed control) and at a lesser volatage work silently for extended periods . These move a consistant volume of air I used this very arrangement to help a friend bring the operating temp of his G4 from a consistant op temp of 40+C down to 30C and is very quiet in operation.
This could be adapted to a 3 space rack plate and with the help of rubber bushings be vibration free.
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#1795966 - 08/15/07 06:56 AM
Re: Leave rack spaces open above and below tube gear?
[Re: paris]
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miroslav
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I use both 2x112 volt 4" fans on a 3 space rack plate this is the work horse move tons of air fast , but these are loud
Yeah...I've tried my share of 3" and 4" fans...and even using resistors on some of them to slow 'em down...
...they were still audible.
Heck...I can even hear even the mild "whoosh" from the airflow out of the A/C vent....so I haven't had much look with the small fans I've tried in the past.
Oh...I would be careful with running fans for awhile and then shutting them off while recording, etc…as that will cause the temps to fluctuate back and forth...and that may be worse than just letting the gear run hot-n-steady...???
I have a couple of Reverb units that have always run sizzling hot on the power supply side of the unit.
I tired cooling them with fans in the past...but the fans were always to noisy.
So...what I did was to drill a bunch of small holes in the top covers right over the PSU...and a couple holes below...and found that helped the heat dissipate a lot quicker and they do not run quite as hot as they use to.
I've had them for....10 years at least...and still no failures, same with all my other gear (knock on wood).
Edited by miroslav (08/15/07 07:01 AM)
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#1796090 - 08/15/07 12:27 PM
Re: Leave rack spaces open above and below tube gear?
[Re: miroslav]
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audiorulez
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There are TONS of solutions to this very common studio issue. Didn't think what I used was that important to you. I'll try to do as much work as possible for you from now on, so you have more time to come up wiht those whitty combacks...
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#1796180 - 08/15/07 04:02 PM
Re: Leave rack spaces open above and below tube gear?
[Re: miroslav]
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audiorulez
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Well today was one day obviously. Hope you enjoy your new fans, do you need me to order them for you also, and perhaps come install them as well?
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#1796358 - 08/16/07 05:35 AM
Re: Leave rack spaces open above and below tube gear?
[Re: miroslav]
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audiorulez
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Probably no more effort than it would have been for you to google the subject, yet unlike you, I actually did something, yet you still remain an a**.
Here's a dollar, go buy a clue dude.
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#1796517 - 08/16/07 10:57 AM
Re: Leave rack spaces open above and below tube gear?
[Re: miroslav]
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Jim Quinn
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Looks like this thread is done.
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