Quiet Fan Plug n Play kit (RSP-500-48 Power Supply)
Quiet Fan Plug n Play kit (RSP-500-48 Power Supply)
Quiet Fan Plug n Play kit (RSP-500-48 Power Supply)
Quiet Fan Plug n Play kit (RSP-500-48 Power Supply)
Quiet Fan Plug n Play kit (RSP-500-48 Power Supply)
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Quiet Fan Plug n Play kit (RSP-500-48 Power Supply)

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$19.00
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(BEFORE ORDERING, PLEASE VERIFY YOU HAVE THE CORRECT POWER SUPPLY FOR THIS UPGRADE USING THE PICTURE BELOW THAT SHOWS BOTH SPIKE POWER SUPPLIES! THIS IS FOR THE RSP-500-48 MODEL POWER SUPPLY ONLY!)

My wise teacher Lao Tzu once said, "Silence is a source of great strength." He would have hated Stern Spike machines.

Anyone that has a Spike pinball machine knows that the fan is WAY TOO LOUD and really annoying, especially in a home environment.

This fan kit is designed to replace the stock 34.6dB fan in Stern Spike power supplies to make it almost silent. This replacement 12.8dB fan has less CFM (airflow) than the Stern one, but the practical difference is that just means the fan runs longer to drop the temp back down to ~104F or less once the temperature in the power supply turns it on. In testing with this fan installed on multiple machines, the RSP-500-48 power supply never exceeded ~122F (the power supply critical shutdown threshold is ~158F), however, all possible pinball machine configurations cannot be known, so you are installing this kit at your own risk.

ALWAYS MAKE SURE YOU DO THE PAPER TOWEL TEST TO MAKE SURE THE NEW FAN IS TURNING ON AFTER INSTALLATION IS COMPLETED. Note that replacing the fan in your power supply may void your warranty since you have to open the power supply and cut some goo to release the cord for the existing fan before installing this pin-compatible replacement.

The kit includes the fan with custom wire length and connector and two thread-cutting screws. 

 

FAQ

  1. How loud is the Stern Fan? How quiet is the Pinmonk one?

Meanwell has used two different fans in the power supplies Stern uses, both are very loud. The current one is the loudest of the two. Depending on which one is in yours, the noise is between approximately 34dB and 38dB.  The Pinmonk fan is less than 13dB.  Since decibels aren't linear that's much more than 3x quieter.

 

  1. Since this fan pushes less air, does the fan come on more often?

The Meanwell power supply Stern is using has a thermal scheme that dictates when the fan comes on, and when it turns off. For the 500w version, the fan comes on when it hits 122 degrees inside the power supply and stays on until the temperature comes down below 104 degrees, when it turns off. So the fact that the pinmonk fan kit pushes less air than the stock fan just means that it runs slightly longer when it does come on to bring it down to <104F again. It does not mean the fan comes on more often than a stock fan.

 

  1. But if the fan's quiet, how will I know when it fails? Will it burn up my power supply if it isn't cooled?

If the fan fails, the worst that can happen is the power supply will gradually throttle power due to the built-in failsafe system on the power supply. The power supply's failsafe begins throttling power if the temperature exceeds 122F and if the temperature continues rising (if the fan failed, for example) then a power-off trigger kicks in at 158F to protect the power supply and machine it's attached to. There is no danger of a failed fan damaging a machine or the power supply as a result. See the temp throttling chart for the power supply on the photo attached to see the throttling curve. If a fan fails (and we don't know of a Pinmonk one failing in more than 4 years of selling these), you'd just replace the fan and the power supply would be back in business. It would not "burn up."

4. Can't I make my own?

Yes. In fact, this product started as a DIY tutorial I posted on pinside. That tutorial with part numbers is still here:

https://pinside.com/pinball/forum/topic/replacing-stern-spike-noisy-ps-fans

That said, the fans sold here are custom made with a power-supply-specific wire length and connector at the factory and special thread-cutting screws.  DIY is fun, but with parts/shipping and time, it's not much cheaper than the plug and play kit here.

 

Customer Reviews

Based on 4 reviews Write a review

Customer Reviews

Based on 7 reviews
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R
Ron Mersinger
No more screamin' FANS!

We all would like screamin' fans if we were a ROCKSTAR, but not on our pins! This solved the problems on 3 of my machines and I'm thankful for a friend telling me about the Pin Monk! Great packaging with a bonus bad ass car freshener! Thanks Pin Monk! :)

T
Tor Krisitan Mo
Game changer.

New game.

B
Brian Holle
My first mod - easy install and well worth it

I have my newMandalorian / first first pinball machine into house and this easy mod quieted to power supply fan noise by 80+%. It was easy to install and you now have to listen hard to hear the p/s fan noise. Love it.

S
Shaun Farrell
Just do it

A must for me, I replace the fan before I turn the machine on for the first time.

J
Jean Agati
Quiet fan

The fan is very easy to install 👍 is noiseless too 🤗thanks for your work