Mesa 2x10 diesel

Discussion in 'Amps and Cabs [BG]' started by Starkey, Jun 9, 2017.


  1. Starkey

    Starkey

    Jun 9, 2017
    I just acquired a Mesa diesel 2x10 cab. The horn has been removed. I've ordered a horn from Mesa there is a three way rocker switch for horn control- high off and low. Does anyone have a schematic on the correct wiring for the horn and switch?
     
  2. agedhorse

    agedhorse Supporting Member Commercial User

    Feb 12, 2006
    Davis, CA (USA)
    Development Engineer-Mesa Boogie, Development Engineer-Genzler (pedals), Product Support-Genz Benz
    Ask customer service to send you the wiring diagram for your speaker.
     
  3. Starkey

    Starkey

    Jun 9, 2017
    I have. They do not have it. They haven't made the diesel line in over 20 years
     
  4. agedhorse

    agedhorse Supporting Member Commercial User

    Feb 12, 2006
    Davis, CA (USA)
    Development Engineer-Mesa Boogie, Development Engineer-Genzler (pedals), Product Support-Genz Benz
    Is the rest of the crossover present, or was that removed as well?
     
  5. Starkey

    Starkey

    Jun 9, 2017
    There is a resistor on the three way switch. From what Mesa is telling me, the original horn was a celestion with a built in crossover. I had already ordered a current production horn. They are saying I need to get a current backplate.
     
  6. agedhorse

    agedhorse Supporting Member Commercial User

    Feb 12, 2006
    Davis, CA (USA)
    Development Engineer-Mesa Boogie, Development Engineer-Genzler (pedals), Product Support-Genz Benz
    If there is no crossover present in your cabinet, you MUST have the current jack plate which has the crossover included. Otherwise you will destroy the new horn.
     
  7. Starkey

    Starkey

    Jun 9, 2017
    Right. I know this. My question was more for the wiring of the three way switch
     
  8. agedhorse

    agedhorse Supporting Member Commercial User

    Feb 12, 2006
    Davis, CA (USA)
    Development Engineer-Mesa Boogie, Development Engineer-Genzler (pedals), Product Support-Genz Benz
    Follow the documentation provided with the new plate.
     
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    Primary TB Assistant

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