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Refurbished Items

Refurbished Compact Travel Combo

Refurbished Compact Travel Combo

$2,250.00 SALE $1,995.00

If you need to take your GB4000 on the go, the Compact Travel Combo is your perfect solution. It comes with the GB4000, the SR4 amplifier and the Compact Travel case.

Save over $460.00 on this Refurbished Compact Travel Combo. Includes the GB4000, SR4 amplifier in the Compact Travel Case with foam cushioning.

The compact travel case's sturdy construction will ensure that your equipment is safe, and the custom foam padding will make it easy to package your units for travel. The compact case is constructed of heavy duty ABS, has rounded metal-reinforced corners and is impact and scratch resistant.
  • Includes fully updated refurbished GB4000 RF Frequency Generator AND SR-4 15 Watt RF Amplifier
  • Attractive, durable Compact Travel Case
  • Highest power output available in a contact device
  • You can program your own custom channels
  • Displays frequencies on screen and in the manual
  • Comes with a full 2 year warranty

Refurbished M.O.P.A. Combo with Plasma

Refurbished M.O.P.A. Combo with Plasma

$4,145.00 SALE $3,995.00

We now have a Refurbished MOPA Combo available that comes WITH the Plasma Tube included from the original purchaser.  Save $595.00

 The MOPA amplifier was designed based on an in-depth analysis of the equipment used by the original frequency researchers.

Though it has been updated with modern electronics, it still uses the RF tank coil and 812a vacuum tube needed to produce the original analog sine wave and square wave output of the original equipment.

  • Includes the GB4000 and the MOPA Amplifier
  • Hands-Free operation, non-contact frequency delivery
  • Only system on the market that can output the 1930s/1950s frequencies
  • Built-in frequency counter for easy configuration
  • Comes with full 2 year warranty