[Boatanchors] Lettine 240 Transmitter Plug In Coils

[Drew P.]

Richard wrote:

    " I also wonder about the logic behind B&W's pricing. If
the coils are uneconomical to make why not just discontinue
them instead of pricing them out of reach. One would think
that if low volume is the problem reducing the price and
advertising a little would increase it quite a bit. Or,
perhaps, they could just farm them out. I suspect that
whatever patents B&W has will have long ago expired and
would tell you how to make similar coils. Essentially, the
are just air-wound coils on strips of polystyrene for
support."

B&W is still selling coils at this price; otherwise they would have discontinued them. How many coils? We don't know, but this type of inductor is very much out of fashion in most new equipment construction. Look inside a reasonably contemporary HF radio; you won't find Air-Dux/Miniductor type coils.  Hence, small demand for these nowadays.

Drew