5 - J.w. Miller Adjustable Coil Forms

US $2200

  • Waterford, Virginia, United States
  • Jun 16th
Ceramic coil forms made by J.W. Miller they may be 4200 series.. Form dimensions are .260 X .858. These are adjustable and have cores for various frequency ranges. They come with mounting hardware. They are NOS and have never been used. I have all the cores but some are in short supply or sold out. The cores are color coded as follows; -0 Form only no core -1 .2 to 1.5mHz Yellow -2 1.0 to 20 Mhz Red -sold out -3 20 to 50 Mhz Green -4 50 to 200 Mhz White -5 100 and up Mhz No color – brass core Please state what core you want with the coil form. This is for a quantity of 5 coil forms, "mix and match" OK. $12.50 includes shipping to US address only.

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