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field coil

  1. Carbsandcaps

    Inexpensive field coil driver

    I want to get these Jensen a12 concert series filed could speakers going so I need a power supply preferably adjustable and inexpensive. I came across these dc motor controllers for $18 each. They put out 0-170vdc and are adjustable so what could go wrong? Well as with any switching supply, they...
  2. F

    Field Coil 18inch woofer

    Hi all, Im new to Audiokarma and would live to let you know what is new. Have been working on a field coil 18 inch woofer system for a few months. It giving me the tightest fastest bass I have ever experienced. Running at 12 to 22 VDC drawing 1 to 1.4 amps. I find the sweet spot at 18 VDC / 1.1...
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