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Question about eLoop's on a fan controller

post #1 of 17
Thread Starter 
I'm wondering if anyone out there has some NB eLoops hooked up to a fan controller. Do they whine at all when set to a certain percentage/voltage?

On a whim I when to check if they had released a 140mm version yet, and what do you know they have. Figured these may be better than my Phantek 140s for 3x intake on my case. The phanteks don't seem terribly well balanced and above 55% one of the front fans seems to desync and cause some annoying vibration noises.
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post #2 of 17
NBs eLoops aren't whining afaik.
The only thing I noticed on my B12-2 and B14-2 is a very subtle hum from the bearing. But you probably won't hear it above a distance of 30cm.

By the way:
the eLoops inherently aren't designed to be the best case fans. Their bionic blade design does work really well in push and can produce a lot of pressure but can emit a lot of noise when being used as a pull fan on the other hand. Even NB themselves stated that you should always have a little spacing (normally 1.0 to 2.5cm) in front of them to ensure the intake area is not restricted. Still, if you want to use them as intake fans, go sure to get some thicker shrouds or spacers to give them a little gap to breath.

If you are looking for premium case fans atm, just go for the Venturi HF. They have the same performance, are super quiet and do not suffer from such issue with the blade design.
post #3 of 17
Thread Starter 
Quote:
Originally Posted by Dr Strangelove View Post

NBs eLoops aren't whining afaik.
The only thing I noticed on my B12-2 and B14-2 is a very subtle hum from the bearing. But you probably won't hear it above a distance of 30cm.

By the way:
the eLoops inherently aren't designed to be the best case fans. Their bionic blade design does work really well in push and can produce a lot of pressure but can emit a lot of noise when being used as a pull fan on the other hand. Even NB themselves stated that you should always have a little spacing (normally 1.0 to 2.5cm) in front of them to ensure the intake area is not restricted. Still, if you want to use them as intake fans, go sure to get some thicker shrouds or spacers to give them a little gap to breath.

If you are looking for premium case fans atm, just go for the Venturi HF. They have the same performance, are super quiet and do not suffer from such issue with the blade design.

Thanks for the reply. There's a decent amount of restriction on the Define S...



Front fan filter, and about 1 3/8" opening behind the front of the case with ~1 inch slotted sides. I figured a higher static pressure fan would be best for 3x front fans, and im not as sure about the eLoops anymore (I'd be using the B14-3 around 1000rpm most likely).

What stinks is that most of the better static pressure 140mm fans are all PWM, and I have a fan hub/controller with which I prefer to use 3pin fans. I currently have 3x PH-F140SP as intake and 1x PH-F140SP as exhaust, any higher than 900 rpm they seem to desync and or cause vibrations creating this weird intermittent humming noise. They also move almost no air until they're at 1150rpm, which they are fairly loud; temps drop almost 5C once I set them from 900 rpm to ~1150rpm.

Just looking for the quietest option at this point, it's a bit frustrating.
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post #4 of 17
The SP140 are already quite decent. Maybe you should get some rubber frames to reduce the vibrations on this case...

If you want something better, go for the Venturi HF-14.
I am not quite sure whether larger blades (for example Noctua NF-A14) will make a significant difference on the pull side.
Edited by Dr Strangelove - 6/19/16 at 8:38am
post #5 of 17
SP140 is a corsail fan. PH-F140SP is Phanteks. tongue.gif

@rv8000, sorry to hear they are not working out as you hoped. I've had no problems with F140SP in cases with similar airflow restrictions. Evolv ATX, Enthoo Luxe, Enthoo Primo front venting are all similar. No idea what to suggest.blushsmiley.gif
post #6 of 17
Thread Starter 
Quote:
Originally Posted by doyll View Post

SP140 is a corsail fan. PH-F140SP is Phanteks. tongue.gif

@rv8000, sorry to hear they are not working out as you hoped. I've had no problems with F140SP in cases with similar airflow restrictions. Evolv ATX, Enthoo Luxe, Enthoo Primo front venting are all similar. No idea what to suggest.blushsmiley.gif

Yea, stuck at this point. From the very very few tests I've been able to find the B14-3 eLoops, they should generate a bit more static pressure than the PH-F140's. The 120mm eLoops I had were very quiet and seemed to be of better quality overall; specifically fan balancing and bearing quality.

I wish Fractal had a non-PWM version of the venturi 140, same goes for all the PWM Thermalright fans mad.gif. The Cougar 140's are quiet but often don't live up to their specs, and I don't wanna order a bunch of eLoops or Noctua fans when they're $25-30 each without having some guarantee on noise quality vs. performance.

The lack of 140mm fan reviews/comparisons is super frustrating, 6 month's to year long gaps in between any comprehensive ones.
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post #7 of 17
Quote:
Originally Posted by Dr Strangelove View Post

NBs eLoops aren't whining afaik.
The only thing I noticed on my B12-2 and B14-2 is a very subtle hum from the bearing. But you probably won't hear it above a distance of 30cm.

By the way:
the eLoops inherently aren't designed to be the best case fans. Their bionic blade design does work really well in push and can produce a lot of pressure but can emit a lot of noise when being used as a pull fan on the other hand. Even NB themselves stated that you should always have a little spacing (normally 1.0 to 2.5cm) in front of them to ensure the intake area is not restricted. Still, if you want to use them as intake fans, go sure to get some thicker shrouds or spacers to give them a little gap to breath.

If you are looking for premium case fans atm, just go for the Venturi HF. They have the same performance, are super quiet and do not suffer from such issue with the blade design.

Where can one obtain a cheap spacer?
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post #8 of 17
Quote:
Originally Posted by doyll View Post

SP140 is a corsail fan. PH-F140SP is Phanteks. tongue.gif
You're right.
Maybe I just don't want it to be a Corsair fan, I mix it up everytime I read this notation biggrin.gif
Quote:
Originally Posted by rv8000 View Post

Yea, stuck at this point. From the very very few tests I've been able to find the B14-3 eLoops, they should generate a bit more static pressure than the PH-F140's. The 120mm eLoops I had were very quiet and seemed to be of better quality overall; specifically fan balancing and bearing quality.

I wish Fractal had a non-PWM version of the venturi 140, same goes for all the PWM Thermalright fans mad.gif. The Cougar 140's are quiet but often don't live up to their specs, and I don't wanna order a bunch of eLoops or Noctua fans when they're $25-30 each without having some guarantee on noise quality vs. performance.

The lack of 140mm fan reviews/comparisons is super frustrating, 6 month's to year long gaps in between any comprehensive ones.
Since I just released a roundup the last week (that sadly is only available in my german atm) I can tell that - at least for some airflow configurations - the Fractal HF (actually 3-Pin voltage, not PWM!) performs just as well as the B14 does, comparing RPM/noise to measured airflow. Those are probably the best AF fans you can get at the moment.

The Cougar T14S and V14H are completely fine when you can get them for a low price.
Antec TrueQuiet are good silent fans if you do not get a faulty model.
Phanteks F140's are mostly a safe pick. They offer a good performance and quiet operation.
If you want some LED, go for the Aerocool DS or TT Riing.

...
Quote:
Originally Posted by TK421 View Post

Where can one obtain a cheap spacer?
Dunno where you are from.
But usually you can get some cheap ones on ebay wink.gif
post #9 of 17
Quote:
Originally Posted by rv8000 View Post

Yea, stuck at this point. From the very very few tests I've been able to find the B14-3 eLoops, they should generate a bit more static pressure than the PH-F140's. The 120mm eLoops I had were very quiet and seemed to be of better quality overall; specifically fan balancing and bearing quality.

I wish Fractal had a non-PWM version of the venturi 140, same goes for all the PWM Thermalright fans mad.gif. The Cougar 140's are quiet but often don't live up to their specs, and I don't wanna order a bunch of eLoops or Noctua fans when they're $25-30 each without having some guarantee on noise quality vs. performance.

The lack of 140mm fan reviews/comparisons is super frustrating, 6 month's to year long gaps in between any comprehensive ones.
The TY-147A can be ran variable voltge with no problems. I know a guy running TY-143 variable voltage to get the idle down to 300rpm-ish.

Here is Thermalbench comparison of TY-147A, PH-F140MP, and a few others. Sadly no PH-F140SP


I scaled to match and overlayed this one.


Here is link to @Dr Strangelove testing.
http://extreme.pcgameshardware.de/luftkuehlung/441379-140mm-luefter-roundup-2016-a.html#post8275828

He emphasizes that the m3/h is not an accurate m3/h reading and his readings should only be used to compare with his other readings. The are more of a X3/X reading and not calibrated to any known standard.

I took the liberty of editing @Dr Strangelove 100 m³/h by underlined name and graph line to top for easier comparison of fans we are talking about here. If you don't want me doing this, please let me know and I will remove it.

Edited by doyll - 6/20/16 at 3:47am
post #10 of 17
Thanks for the reference thumb.gif

The results in m³/h are not fixed to any common standard such as most of the manufacturer values are (resp. they do not use the same setups so there is basically no sense in comparing those specs in general).

You should also have a look at the sound recordings (which can give you a rough glimpse of what the fans could sound like under certain contitions) because also the readings of the RPM (U/min) vary from fan to fan.
https://soundcloud.com/user-514251562/sets/140mm-fan-roundup-2016
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