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post #12931 of 21116
Quote:
Originally Posted by superstition222 View Post

Is the coil whine the reason mine make a strong growling sound at moderate to lower RPMs and not at higher?

Not sure. Have you screwed them well to the radiator? It might be just vibrations coming from them. I actually though they are damn noisy before I took one in hand while it was working - and its damn silent (AS for 2k RPM obviously)
post #12932 of 21116
Derick outdid himself again! thumb.gif
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CPUMotherboardGraphicsRAM
Intel i7 3930k @4.4ghz@1.44v Asrock X79 Fataility Champion 3xInno3d GTX 780 with Full Nickel EK Waterblocks Gskill RipjawsX 4x4GB@2400mhz 11-11-11-31 
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2xSamsung 830 256gb Custom H2O - 3x XSPC RX360 with EK Blocks Surround Gaming 3x1440@96hz (X-Star) Cooler Master Trigger Red Caps 
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Hydra
(13 items)
 
Hydra 2
(23 items)
 
 
CPUMotherboardGraphicsRAM
Intel i7 3930k @4.4ghz@1.44v Asrock X79 Fataility Champion 3xInno3d GTX 780 with Full Nickel EK Waterblocks Gskill RipjawsX 4x4GB@2400mhz 11-11-11-31 
Hard DriveCoolingMonitorKeyboard
2xSamsung 830 256gb Custom H2O - 3x XSPC RX360 with EK Blocks Surround Gaming 3x1440@96hz (X-Star) Cooler Master Trigger Red Caps 
PowerCaseMouseAudio
Seasonic 1250 watt Danger Den Double Wide 21 Roccat Kone+ Creative ZX (Incoming) 
Audio
Roccat Kave 5.1 Headphones 
CPUMotherboardGraphicsGraphics
4930k Asus Extreme Black Edition Sapphire R9 290x Sapphire R9 290x 
GraphicsGraphicsRAMHard Drive
Sapphire R9 290x Sapphire R9 290x Gskil TridentX 2400mhz Samsung 830 256GB 
Hard DriveCoolingCoolingCooling
Samsung 840 500GB EK Supramacy 4x EK Blocks 6x EK XTX480 
CoolingOSMonitorMonitor
EK XT360 Windows 8.1 BenQ 3201 32in 4k IPS Qnix 32in 1440 MVA 
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post #12933 of 21116
Quote:
Originally Posted by Anateus View Post

Not sure. Have you screwed them well to the radiator? It might be just vibrations coming from them. I actually though they are damn noisy before I took one in hand while it was working - and its damn silent (AS for 2k RPM obviously)
I tried tightly screwing them down. I tried loosely. I tried in-between. I tried not screwing some screws in, loosening some, tightening some. I tried putting a piece of tissue folded into one corner. The fan's growl sound went away and came back when its housing was pulled up, pressed down, or screwed in a certain way.

I've never heard a fan growl like this before. It's coming from the motor not contact with the radiator. But, I will take the noisiest one off the radiator completely and make sure.
post #12934 of 21116
Run and listem to it on rad, then take it in your hand and run it again at 100%. Mine showed difference. Guess I could use some rubber gaskets.
post #12935 of 21116
Quote:
Originally Posted by Anateus View Post

Run and listem to it on rad, then take it in your hand and run it again at 100%. Mine showed difference. Guess I could use some rubber gaskets.
They only seem to be noisy like this when on PWM. When they're set to any single speed they don't growl. But, I will try your suggestion also.
post #12936 of 21116
Quote:
Originally Posted by superstition222 View Post

Is the coil whine the reason mine make a strong growling sound at moderate to lower RPMs and not at higher?

Quote:
Originally Posted by superstition222 View Post

They only seem to be noisy like this when on PWM. When they're set to any single speed they don't growl. But, I will try your suggestion also.

I don't know if your 'growling' noise could be similar to a 'ticking' noise, but it may be a result of the fan's PWM control. Particularly if the noise is worst at slower speeds and gone when not controlled by PWM.

I happen to read the comment below a couple days ago when checking out Noctua's fans:
Quote:
Most conventional PWM fan driver ICs put out square signals that cause sudden torque impulses. These impulses can cause minute deformations of the entire fan structure which lead to audible “clicking” noises that are especially noticeable with many common PWM fans running at slower speeds. Adopting Noctua’s Smooth Commutation Drive (SCD) technology, the custom designed NE-FD1 PWM IC slows down the slew rate of the output signal in order to give a smoother, less sudden torque impulse. This way, PWM switching noises can be effectively suppressed and the fan runs even quieter, especially at low speeds.

I am a novice with PWM fans, but thought I would just toss this into the hopper for your consideration.
post #12937 of 21116


















post #12938 of 21116
Quote:
Originally Posted by snef View Post



Warning: Spoiler! (Click to show)

















Very handsome, Sir! thumb.gif
Watson III
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3 - Koolance QD3 Quiick Disconnects Hardware Labs Black Ice Nemesis 360 GTX Primochill Adavanced LTR 3/5 x 5/8 Bool Red Tubing 3 - Noctua NF-F12's Industrial 3000 RPM Push/In... 
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Watson III
(31 items)
 
Watson V
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CPUMotherboardGraphicsRAM
Intel i7 6700K ASUS Maximus VIII Gene Asus GeForce GTX 1080 Founders Edition Corsair Dominator Platinum 3000MHz C15 
Hard DriveOptical DriveCoolingCooling
Samsung 950 Pro NVMe 512GB Lite-On w/ Lite-Scribe Watercool D5 Bitspower Black Sparkle 
CoolingCoolingCoolingCooling
3 - Koolance QD3 Quiick Disconnects Hardware Labs Black Ice Nemesis 360 GTX Primochill Adavanced LTR 3/5 x 5/8 Bool Red Tubing 3 - Noctua NF-F12's Industrial 3000 RPM Push/In... 
CoolingCoolingOSMonitor
2 - Noctua NF-F12's 1500 RPM as front intake Swiftech Helix 1800 RPM PWM 120mm fan as exhaust Windows 7 Ultimate 64bit ASUS VC239H 
MonitorKeyboardPowerCase
ASUS VS228H-P HP Mechanical PS/2 Corsair AX860 Platinum CaseLabs S5 Two-Tone White/Gunmetal 
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Logitech M510 Staples Boston Acoustics Bowers & Wilkins P5 Series II Headphones 
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post #12939 of 21116
Very hard to follow any of Snef's pics but oh well TY to Igor @ EKWB for getting this white CPU top to me it's going to make the inside of the build thumb.gif

post #12940 of 21116
Replaced my 150 ml res/pump combo with your 250 ml tube for a 250 ml res/ pump combo.

I can say that my idle temps are 18c-20c but it's because I just moved to colorado and coming from Texas is a big ambient change!
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