NOTE: THESE FANS ARE ONLY FOR VERY EARLY STERN PROS. Check the chart for compatibility. All current Sterns use SFAN-001, which is for the RSP-500-48. If you have a Stern made since about 2017, you likely do not need this fan, but an SFAN-001.
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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 in both the 300W and 500W power supply they use 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 TISSUE 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 the replacement.

The kit includes the fan with custom wire length/connector and illustrated, step by step instructions that we never received at the monastery for any assigned task, but I have gifted to you to make this a stress-free installation for you.

The pinside fan install thread is also located here:
https://pinside.com/pinball/forum/topic/replacing-stern-spike-noisy-ps-fans

NOTE: THIS FAN IS FOR ONLY THE VERY FEW STERN SPIKE MACHINES THAT USED THE 300W POWER SUPPLY. PLEASE CONSULT THE COMPATIBILITY CHART IN THE PICTURES WITH THIS LISTING.

(For international orders, please use http://www.pinmonk.com)