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Variable Capacitors
Band-New VARIABLE CAPACITORS for tuning and fine tuning. Transmit and Receive.


Two Section 465 pF (930 pF total !) Variable Capacitor for use in lower frequency applications Longwave Variable capacitor
This capacitor is useful for receivers and for antenna tuning in the VLF, Longwave, AM, and Lower Shortwave bands.

This precision 2 section brand-new Air Variable Capacitor has an adjustable range of 14 pF to 465 pF in two individually shielded sections.

Its two individually shielded capacitors in one unit! Bridge the sections to get a single capacitor with range of 28 pF to 930 pF.


This capacitor features a 2:1 gear reduction drive to allow easy fine tuning. Two turns of the tuning shaft produces a proportional one turn of the rotor.

  • 2 sections, each with a tuning range of 14 pF to 465 pF.
  • You can bridge the two sections to obtain 28 pF to 930 pF, total.
  • 0.0125 inch air gap rated at 600 Vrms.
  • 2:1 gear reduction drive with 0.65 inch long shaft as measured from frame out; 0.38 inches from teeth of gear out.
  • Less prone to vibrations due to gear reduction drive.
  • 3 holes tapped on bottom for mounting, 6-32 size standard.
  • Electric shield between the two individual sections.
  • Frame lug for ground connection welded to rear of unit.
  • Counterclockwise rotation; as capacitance increases, as seen from the front.
  • Sturdy metal construction.

    This variable capacitor will work in the range of 5 KHz to 5 MHz, and will work with our coaxially tuned antennas as the primary tuner or as a fine tuner, depending on individual antenna's specs.

    Build a double-tuned antenna, or use 1 section for the oscillator and one section for the tuner, or build a multi-band switched antenna tuner.

    Has enough pF to tune VLF antennas over a good range.

    Manufacture year: 2009. These are NOT surplus!


    Stormwise Part # LFVC2X465pF is $ 39.95 + $ s/h.

    We can supply large quantity of pieces of this unit for your company's new radio product. Call for quote.

    USA and CANADA only.
    No Foreign Orders.

    384 pF Capacitors for use in AM radio antennas
    Longwave Variable capacitor

    This precision brand-new Air Variable Capacitor has a range of 15 pF to 384 pF.

    This capacitor is useful for receiver and antenna tuning in the longwave, AM, and shortwave bands from
    20 KHz to 5 MHz.

    Most capacitors of this type go from 20 pF to 365 pF. Our unit will go up to 384 pF. This gives you a little extra room to center the band or tune just slightly lower.

    Use this capacitor to tune your ferrite rod antenna. Peak up the signal to your longwave radio by many S-units with this low loss capacitor! Improve your reception with the sensitivity that only an Air Variable Capacitor can provide!

    Air Variable Capacitors offer sharp, narrow-band tuning. Get an Air Variable Capacitor to get the highest "Q" factor in your antenna! Get the sharpest and cleanest signals that only an Air Dielectric Variable Capacitor can give you! Longwave Variable capacitor

    Approximate Size (inches): 1.38 inches wide by 1.31 inches deep by 1.19 high. Built-in frame ground lug for easy connection.

  • 50V rms max.

    Manufacture year: 2008 or 2009.

    Great for tuning longwave, AM broadcast, Shortwave.

    Useful for fine-tuning the VLF band up or down by several KHz.


    Stormwise Part # AMVC384 is $ 18.00 + $ s/h.

    We can supply mass quantity of pieces of this unit for your company's new radio product. Call for quote.

    USA and CANADA only.
    No Foreign Orders.

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    Sales to USA and Canada only.