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

We have high value air variable tuning capacitors designed for tuning of the lower frequency radio bands. Capacitors for tuning the lower frequency radio bands below 2 Mhz. VLF, Long Wave, AM bands.

1400 pF Variable Capacitor for use in tuning VLF and Long Wave antennas
Longwave Variable capacitor
This capacitor is useful for receivers and antenna tuning in the VLF, Long Wave bands.

This precision 3 section brand-new Air Variable Capacitor has an adjustable range of 14 pF to 466 pF in three individually shielded sections.

Its three individually shielded capacitors in one unit! Bridge the sections to get a single capacitor with range of 40 pF to 1400 pF.

  • 3 sections, each with a tuning range of 14 pF to 466 pF.
  • You can bridge the 3 sections for 1400 pF variable value.
  • 3 holes tapped on bottom for mounting, 6-32 size standard.
  • Metal shield between the two individual sections.
  • Frame lug for easy chassis ground connection welded to rear of unit.
  • Counterclockwise rotation; as capacitance increases, as seen from the front.
  • Sturdy metal construction.
  • Size: shaft length: 1.12 inch; front to back: 3 and 2/16ths inch; width: 1 and 13/16ths inch; height 1.5 inch.

    Description: 3 sections, each 466pF max, direct drive, 1.12 inch long shaft, CCW rotation, 3 holes tapped 6-32 on bottom

    This variable capacitor will work in the range of 1 KHz to 5 MHz.

    Build a 3-way tuned antenna, or use 1 section for the RF oscillator and one section for the antenna tuner, or build a 3-band switched wide band antenna tuner.


    Stormwise Part # S3-466-X3G is $ 93.00 + $ 14.00 s/h.


    932 pF Variable Capacitor for use in tuning VLF, Long Wave, and AM broadcast band antennas Longwave Variable capacitor
    This capacitor is useful for antenna tuning in the VLF, Longwave, and AM band.

    This precision 2 section brand-new Air Variable Capacitor has an adjustable range of 14 pF to 466 pF in two individually shielded sections.

    Bridge the 2 sections for a range of 28 pF to 932 pF.

  • Frame lug for easy chassis ground connection welded to rear of unit.
  • Size: shaft length: 0.69 inch; front to back: 2 and 5/16ths inches; width: 1 and 13/16ths inch; height 1.5 inch.
  • 3 holes tapped on bottom for mounting, 6-32 size standard.
  • Metal shield between the two individual sections.
  • Counterclockwise rotation; as capacitance increases, as seen from the front.
  • Sturdy metal construction.

    This variable capacitor will work in the range of 10 KHz to 5 MHz.

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


    Stormwise Part # S2-466-X2G is $ 74.00 + $ 14.00 s/h. Part number: S2-466x2G: 3 holes tapped on bottom, with shield, frame lug welded to rear, CCW rotation, 0.69 inch long shaft


    410 pF Variable Capacitor for use in AM radio antennas and longwave antennas
    Longwave Variable capacitor

    This precision brand-new Air Variable Capacitor has a range of 15 pF to 410 pF.

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

    Most capacitors of this type go from 20 pF to 365 pF. Our unit will go up to 410 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. Part number: AMVC-410: frame lug welded to rear, CCW rotation, 0.63 inch long shaft

    Great for tuning longwave, AM broadcast, Shortwave.

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


    Stormwise Part # AMVC-410 is $ 51.00 + $ 8.00 s/h.

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

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    1558 pF Variable Capacitor for use in tuning VLF and Long Wave antennas
    Longwave Variable capacitor

    The 1558pF-73-1-32-99N is a high-voltage, heavy wattage, continuous duty capacitor. In the 1558pF-73-1-32-99N, the relationship between rotation and capacitance is almost perfectly linear.

    Air Gap: 0.032 inches

    Min Cap: 31pF

    Max Cap: 1,558pF

    Max Voltage:1100v rms

    Stormwise Part number: 1558pF-73-1-32-99N is $ 250.00 + $ 14.00 s/h.


    3250 pF Variable Capacitor for use in tuning VLF antennas
    VLF Variable capacitor

    3250pFM97 Features:

    Designed for applications requiring large capacitances (up to 3250pF) and moderate voltages 800v

    3.85" high by 3.85" wide

    High-frequency current-carrying

    High-voltage-withstanding
    Most robust, highest quality capacitor.
    Near-instantaneous tuning (minimum to maximum capacitance in just 1/2 turn)
    Efficient heat dissipation
    High durability

    Stormwise Part number: 3250pF-M97