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Mesa Roadster 212 Combo Fan Noise

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  • Mesa Roadster 212 Combo Fan Noise

    I have a Mesa Boogie Roadster 2x12 combo and it has an annoyingly loud fan making it a pain for recording and low volume practice.

    I have tried contacting Mesa directly to no avail and the Boogie Board posters were only helpful to the point of suggesting that a quieter fan (if a direct retrofit) might help reduce the noise. It also seems that not many people own the Mesa Boogie Roadster 2x12 combo so fan noise is not a popular concern.

    I wonder if I really need the fan at low volumes or if the fan is more to keep the circuity cool due to filament heat alone and thus needs to be on always.

    A continuously variable speed, temperature sensitive arrangement would make a lot more sense on a high-end amp like this me thinks!

    BTW the head version of this amp does not have a fan, only the combo version like mine; I assume because convection cooling is better on the head version, but who knows for sure.

    I would sure like to simply disconnect that noisy fan or at the least replace it with the quietest fan on the planet.

    Suggestions welcome!

  • #2
    You do have a couple of options.
    - Purchase a quieter fan.
    - Disconnect the fan.
    - Place a potentiometer (or a fixed resistor) inline on one of the fan leads to slow it down
    - Breadboard a variable speed motor control circuit.

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