Silent Fan Recommendation for TT?

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blaylok
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Silent Fan Recommendation for TT?

Postby blaylok » Thu Jan 17, 2013 10:40 pm

Hi guys,

I am on the lookout for a silent fan to put into my TT, and my Mega STE.

ATM, the TT is the heart and soul of my studio, running Cubase Audio (i just disable the audio by holding down shift and esc while booting cubase). I really, really love cubase on the atari, it is so straight forward and much more user friendly than any of the later pc or mac incarnations.

My problem is this tho........the TT's fan is quite loud indeed! Not really ideal in a studio environment when silence in the studio while recording is paramount.

Does anyone perhaps know of a better replacement fan that might be a little less noisy or more in the silent range of so called silent fans?

Any help would be greatly appreciated,

thanks guys,

kind regards,


blaylok

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Re: Silent Fan Recommendation for TT?

Postby MRAtari » Fri Jan 18, 2013 2:08 pm

i have some "significantly " quieter fans for the Mega ST / TT PSU

not silent just a hell of a lot quieter!

if your TT has the case fan behind the hard drive also this fan could be used, you would have to mod the end plug on the new fan as it's slightly different

they are £7.99 each plus shipping

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Re: Silent Fan Recommendation for TT?

Postby krupkaj » Fri Jan 18, 2013 9:40 pm

I think it is not only problem of the fan but also thin holes in the TT case. The air cannot go out smoothly through the holes and makes the noise.
IIRC In the DoIt archive there is a hint to slow down the fan in the TT and MEGA STE to quiet them down.

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Re: Silent Fan Recommendation for TT?

Postby alexh » Sat Jan 19, 2013 10:04 am

They are 40 * 40 * 10mm?

http://www.quietpc.com/nf-a4x10

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Re: Silent Fan Recommendation for TT?

Postby krupkaj » Sat Jan 19, 2013 11:57 am

No, they are 60x60

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Re: Silent Fan Recommendation for TT?

Postby alexh » Sat Jan 19, 2013 12:25 pm

Ah, then the best fan IMO has to be an acoustifan. I always used to replace XBOX 1 fans with them. They work at a range of voltages. @7.5v in the XBOX with rubber grommets they were practically silent.

http://www.quietpc.com/afdp-6025b

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Re: Silent Fan Recommendation for TT?

Postby blaylok » Sat Jan 19, 2013 12:49 pm

Hi guys,

thanks for the replies,

AlexH thanks a lot for yor recommendation, i am going to look into one of those acousti-fans now.

krupkaj, what is the hint you referred to on the Dolt archive? Could i also remove the holes on the casing to cut down on my fan output noise?


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Re: Silent Fan Recommendation for TT?

Postby qq1975b » Sat Jan 19, 2013 1:58 pm

The problem is the air exit of the TT case. I have tried some really silent fans and ,more or less, are all the same. From 14db to 19 db ones.
Maybe if you put antidust cover (I haven't tried yet) it will work with less noise (but poorer air exit).
Fan is 60X60X25
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Re: Silent Fan Recommendation for TT?

Postby krupkaj » Sat Jan 19, 2013 2:30 pm

I found the article about slowing the fan in TT. It was not in the DoIt archive but in Chips & Chips.
You can read it online here:
http://phoenix.inf.upol.cz/~opichals/li ... &index=773

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Re: Silent Fan Recommendation for TT?

Postby calimero » Sat Jan 19, 2013 4:45 pm

I also replace original fan with 60x60x25 (taken from old IMB P4 PC :D) and I slowed it down - it was almost totaly quite.

I am not sure who bought my TT after johnb :) but hope he enjoy almost silent TT right now 8)
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Re: Silent Fan Recommendation for TT?

Postby Guest » Sat Jan 19, 2013 5:17 pm

i used one from a p4 dell slim desktop
is almost silent even when not slowed down ...

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Re: Silent Fan Recommendation for TT?

Postby DarkLord » Sat Jan 19, 2013 5:54 pm

krupkaj wrote:I think it is not only problem of the fan but also thin holes in the TT case. The air cannot go out smoothly through the holes and makes the noise.
IIRC In the DoIt archive there is a hint to slow down the fan in the TT and MEGA STE to quiet them down.


Same problem as with the Mega ST, sounds like. Best Electronics catalog has a small hint box where they
advise owners to simply remove the grill altogether to improve air flow inside the case. I did that with
my Mega ST4, since it's running 24/7.
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Re: Silent Fan Recommendation for TT?

Postby Guest » Sat Jan 19, 2013 6:35 pm

actually the fan came from the dell psu the stupid wee boy switched it to 110 so killed the old psu
i just changed it out for an ebay 10er the same
always good for the spares box...

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Re: Silent Fan Recommendation for TT?

Postby blaylok » Thu May 09, 2013 12:49 am

Back to trying to sort this out again.......(didn't really have a win last time :-(

i am looking at this particular fan for my tt...............

http://www.ebay.com.au/itm/SilenX-IXTRE ... 0516009512

it is a 12volt fan, is that what i need for the tt or do i need 5v?

can anybody give me an ok that it would work or perhaps suggest anything better please?

thanks

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Re: Silent Fan Recommendation for TT?

Postby alexh » Thu May 09, 2013 5:51 am

SilenX don't have a great reputation. Lots of the reviews online are written by them. Have you noticed that there is no connector on this fan. Is that what you want?

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Re: Silent Fan Recommendation for TT?

Postby blaylok » Thu May 09, 2013 6:20 am

hi alexh, it was u who suggested the acoustifan last time, unfortunately i couldn't get them to post to australia and couldn't find one one ebay.


i realise that it has no connector on the end of the silenx one, i planned to resolder a connecter off some old peecee gear

what about these then?

http://www.ebay.co.uk/itm/Noiseblocker- ... 19c8bce0ad

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Re: Silent Fan Recommendation for TT?

Postby qq1975b » Thu May 09, 2013 9:31 am

For me, the best ones are Be Quiet! Unfortunatly, they don't build fans of this size.
So, now I am using on my TTs and MegaSTe these Noiseblocker you wrote down. They are quite silent. The problem with the TT and MegaSte is the form of the airflow exit on the case, that is not the best desing to be silent.

Here in Spain I found them for less than 7€ in a store.
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Re: Silent Fan Recommendation for TT?

Postby dma » Thu May 09, 2013 1:17 pm

Maybe you could add a speed controller to your fan (such as this)?
I mean performance of nowadays fans maybe better enough to run it slower than original ones.

Also another good fans brand is PAPST.

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Re: Silent Fan Recommendation for TT?

Postby calimero » Thu May 09, 2013 1:47 pm

I am pretty sure that only:

speed and design dictate noise of fan.

everything above 2000rpm is very low noise (simple lower voltage to achieve this).

to have good airflow, it is important that wings of fans are big.
there are some stupid design of fans where central motor is so big that there are little room for wings!

e.g.
Image

vs this

Image
(both are 40mm fans)
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Re: Silent Fan Recommendation for TT?

Postby wongck » Thu May 09, 2013 11:25 pm

calimero wrote:speed and design dictate noise of fan.

Yes, larger fan area means the motor can spin slower giving less noise while having the same amount of air flow.
Better motor mechanical parts also plays apart.
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Re: Silent Fan Recommendation for TT?

Postby Dark Willow » Fri May 10, 2013 1:22 am

The TT's narrow slats on the exhaust ports do generate a lot of turbulence and so noise. When I swapped out the old fans, I replace them with slimline ones, and set them back from the edge of the case. Basically, the closer the fan blades are to the slats on the exhaust ports, the interference there is to the airflow, and so more noise. Getting them further apart smooths things out a bit and makes life quieter.

I ordered two cheap fans as well of the same dimensions and gutted them, leaving just the main frame, and used it as a duct and spacer between the case edge and the new fans (creating a little "tunnel" for the air). It has reduced noise a lot. As well as being slimline, I also chose new fans with small central motors. I settled on these:

http://www.ebuyer.com/124543-startech-6 ... -fan6x1tx3

Another thing to both improve airflow and reduce noise would be to remove the slats on the exhaust ports with a dremmel cutter, and replace it with a less restrictive grill like this:

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Re: Silent Fan Recommendation for TT?

Postby JonB » Fri May 10, 2013 6:37 pm

calimero wrote:Image


I just ordered one of these Noctua fans for a PC power supply. We'll see how quiet it is..
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Re: Silent Fan Recommendation for TT?

Postby krupkaj » Fri May 10, 2013 9:11 pm

I have just got the Sunon with maglev bearing.
http://www.tme.eu/en/details/mb60201v3- ... -000u-a99/

I did not want to cut the TT case, but I am affraid I have to do it :(

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Re: Silent Fan Recommendation for TT?

Postby blaylok » Fri May 10, 2013 11:14 pm

thanks everyone for the advice.....

i think i will try out the noiseblocker fan


i will post back how it goes

cheers :cheers:


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