I am also fairly new but I am pretty positive that most coils are sold buy their height ex. 1’inch coil and within these measurements 1′ or 1.5′ each could have a variety amount of coil wraps 8 10 or 12. In regards to coil verse rotary. Coils are louder and with an electro/magnetic force to move the A-bar/needle. Rotary is only electric and uses a spinning component to move the needle.
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This reply was modified 7 years, 7 months ago by ckramer5000.
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