The GB4000
20Mhz Frequency Generator

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Check out our Used and Refurbished section HERE
Save time and money - The GB-4000 is the only frequency generator or frequency machine today that can run 8 frequencies simultaneously.
Plasma Tube MOPA Amplifier Now Available
Now you can order your GB4000 Frequency Generator online. or
over the phone at 1-877-743-3757.
The GB4000 frequency machine was designed after careful and thorough research to include the features and capabilities required by today's Frequency Generator users. The GB-4000 is the only Frequency Generator available that has all these features and specifications. | |
![]() | Can produce all Frequencies in the range of 1 to 20 million hertz in .01 Hz Increments. |
![]() | The GB4000 can output Audio and high RF frequencies. It can operate as an audio frequency generator, or a high frequency generator. |
![]() | Produces digitally accurate frequencies using a digital signal processor. Output is converted to analog for full analog harmonics. |
![]() | Incorporates a 3.1 MHz RF (Radio Frequency) carrier wave technology. |
![]() | The machine can be used as a standard low audio frequency generator. |
![]() | Produces the same harmonics as a ray tube. - NOW with an optional plasma tube amplifier attachment. |
![]() | Full LCD Display - no hidden program numbers like other frequency machines. |
![]() | The GB4000 Allows you to program your own frequencies and groups of frequencies (2000 custom channels available, each channel stores up to 48 frequencies). |
![]() | Computer programmable software included. |
![]() | Can run single or multiple frequencies (up to 8 frequencies simultaneously). |
![]() | Incorporates gating or pulsing capabilities from 1 - 5000 Hz with a 10 - 90% duty cycle. |
![]() | The GB4000 is capable of running both sine wave and square wave waveforms in RF mode. |
![]() | Channel sweep capabilities in all 2000 channels. Chanel sweep from 1 - 10000 Hz |
![]() | Capable of running both narrow and broad range sweeps. |
![]() | Capable of running converge sweeps to 20 million hertz. |
![]() | Offers 4 outputs (other frequency generators have only 2 outputs). Most other frequency machines only have 2 outputs |
![]() | The GB4000 is 9 times more powerful than other audio frequency generators. |
Order your GB4000 Frequency Generator here! or call and talk to one of our friendly representatives. Your new GB4000 Frequency Generator will usually ship the next business day.
Shipping is always free within the Continental US. Shipping to Canada is free for the GB4000 and SR-4 amplifier. For the MOPA amplifier there is a small shipping charge.
Please read the Return Policy
When you purchase a GB4000, you will usually also want to purchase the Accessory Kit from KD Enterprises. Your machine will come will all required connecting wires, so you will need the kit WITHOUT connecting wires.