Just a few of the GB-4000 Benefits...

1. Two-year full parts and labor warranty.

2. Free operating software updates.

3. Free lifetime phone support. 

4. Fully upgradable hardware.

5. Operational DVD training.

6. Ability to run overnight sets.

7. Stand alone computerized system.

8. Ability to run up to eight frequencies simultaneously (to 40,000 Hertz) instead of just one frequency.

9. Ability to run two frequencies from 40,000 Hertz to 20,000,000 Hertz.

10. RF sideband circuit superior to super-regeneration or phaser circuit capabilities.

11. Three amplifier system.

12. Sixty day money back guarantee if returned in new condition (15% restocking fee).

 

New hardware and software updates are now avaliable for your GB-4000

1. 3.1 Megahertz Carrier frequency.

2. 1/100th of a Hertz resolution.

3. Audio range now increased from 1 to 40,000 Hertz to 1 to 400,000 Hertz.

4. Mute Feature: Allows you to mute the beeper.

5. Skip Feature: Allows you to skip any frequency group or frequency in any channel.

6. Save Gating Feature: Allows you to save, in any channel, gating turned ON whenever that channel is used.

7. Variable Channel Sweep Freature: Allows you to now vary the frequency range of all frequencies in any channel from 2 Hertz to 20,000 Hertz.

 

The GB-4000 Frequency Generator Technical Specifications and Features…

Stand Alone Frequency Generator: Unlike some generators on the market today the GB-4000 was designed to be a simple to use, easy to operate, stand alone frequency generator requiring noncomplicated computer interface to use all of its features. Computer operated generators generally work well but many people do not feel comfortable having to use a computer to operate all of a frequency generator's options. Our customers appreciate that they are not required to have a computer to operate any of our instrument's capabilities. The computer software for programming frequencies into the GB-4000 is an option you'll received in the Accessory Kit.

 

The following are some of the GB-4000 features...

 

  • Programmable channels: 2,000

  • Channel capability: 48 frequencies in sequence or 6 groups capable of holding 8 frequencies each.
  • Computer software: GB-4000 programmable software included in Accessory Kit. 
  • Outputs: Four - 2 red and 2 black.
  • RF Mode Power output: Variable up to 4.7 watts power output.
  • Audio Mode power output: Variable up to 36 volts or 0.75 watts.
  • Voltage output in RF mode: Over 110 volts making it over 18 times more powerful than
    most standard frequency generators.
  • Frequency output: Digitally accurate frequencies converted to analog using a DAC.
  • Frequency range: 1 to 20 million Hertz.
  • Two circuits capable of outputing frequencies.
  • Audio Mode circuit capable of outputting 8 frequencies simultaneously from 1 to 40,000 Hertz and 1 frequency up to 400,000 Hertz. This circuit uses no RF carrier frequency.
  • Eight audio frequency range resolution: 1/100th of a Hertz.
  • RF Mode circuit capable of outputing 8 frequencies simultaneously from 1 to 40,000 Hertz and two frequencies from 1 to 20 million Hertz.
  • Waveforms: Square and Sine wave. Square wave to 100,000 Hertz. Sine to 20,000,000 Hertz
  • Duty cycle capability: 10% to 100% square wave duty cycle.
  • Gating or pulsing range: 1 - 5000 Hertz.
  • Gating duty cycle range: 10% - 90%.
  • Carrier wave frequency: Now with new 3.1 MHz RF (Radio Frequency) capable of producing harmonic sidebands like the 1930's, 1940's and 1950's equipment. 
  • Carrier wave on and off capability: Carrier wave can be turned off so the user can operate it as a 
    standard audio frequency generator.
  • Channel sweep: Variable- 2 Hertz to 20,000 Hertz or 1 Hertz to 10,000 Hertz + and - of the target 
    frequency or frequencies in all 2,000 channels.
  • Standard sweep: 1 to 20 million Hertz.
  • Converge sweeps: Two frequencies from 1 Hertz to 20 million Hertz.
  • L.E.D.: RF indicator light confirms RF output.
  • Display: LCD.
  • AC adapters: Two switching 110/240 volt power supplies for worldwide use.
  • Price: The GB-4000 is priced at $1,725.00. This price includes shipping to the USA and Canada. 

 

Why Power Output Is Important In a Frequency Generator? When comparing the various instruments, power output is a very important consideration. This is the reason the GB-4000 uses a carrier frequency so that more power can be output.

The power output of most frequency generators on the market today that do not use an RF carrier frequency is only about 0.20 of one watt.  The GB-4000 with the use of an RF carrier has a 4.7 watts power output and is over 18 times more powerful than these instruments.  With the use of the optional SR-4 1 to 15 watts power amplifier it is 75 times more powerful.

GB-4000 20 MHz Function Generator

SKU: GB4000
$1,875.00 Regular Price
$1,725.00Sale Price
  • Back in the 1950's they built plasma ray tube instruments that would run 10 frequencies simultaneously. Therefore running multiple frequencies is not a new concept. This is why we built the GB-4000 to be able to run multiple frequencies. Yet today there are some unknowledgeable people who disparage running multiple frequencies even though the original instruments used this capability. Successfully running multiple frequencies is directly tied to power. If you have enough power then it is possible to do this. Below we have given answers to the most commonly asked questions.

    Some people have asked? Does running multiple frequencies reduce the power level of the frequencies? The answer to that question would be yes, but only if you do not have enough power output. This is why we built the GB-4000 with the ability to output 4.7 watts at 100% duty cycle using an RF (Radio Frequency) carrier frequency. This is about 18 times more power output than the 1957 instrument. Using an RF carrier frequency is the only way the power level could be increased. The original 1957 contact instrument did not use an RF carrier frequency so they could only output one audio frequency at a time with only 0.20 or 1/5th of one watt of power. This power level worked very well with only one audio frequency. In order to overcome this limitation the GB-4000 uses two separate circuits.

    The "Audio Mode" circuit has no RF carrier frequency and 0.75 watts power output. It is used for frequencies from 1 Hertz to 400,000 Hertz. Frequencies used with this "Audio Mode" circuit can be physically felt from 1 to about 20,000 Hertz.

    The "RF Mode" circuit is used for frequencies from 1 Hertz to 20 million Hertz. The 3.1 MHz carrier frequency can also be used with this circuit. Because of the RF carrier any audio frequencies cannot be felt. Using this method it is possible to use 4.7 watts and makes it possible to run up to 8 frequencies simultaneously with more than twice the 1957 power level per frequency. This is why the GB-4000 can run up to 8 frequencies with sufficientpower output.

    Logically when using the 1957 power level if you used 2 audio frequencies using this RF circuit you would want to double that power level (2 X 0.20 = 0.40% of one watt) to 0.40% of one watt. If you run up to 8 audio frequencies you would want at least 8 times that power level or 1.60 watts peak power. This is why the GB-4000 has 3.7 watts power output so that it has over 2 times the power capability needed for running 8 audio frequencies simultaneously at the original 1957 capability of 0.20 watts of power for one audio frequency.

    Some people also ask if they can only run multiple frequencies. The answer to that question is no. The GB-4000 gives you the flexibility to switch from running one audio frequency at a time to being able to run up to 8 audio frequencies at a time. You can choose how you want to run the frequencies.

    Many people want even more power than the GB-4000 power levels per audio frequency. If you want more power then you can purchase the SR-4 1 to15 watt power amplifier and you will have 1.87 watts of power for each frequency, if you run 8 audio frequencies simultaneously. If you decide to only run 4 audio frequencies simultaneously then you would have 3.75 watts of power for each frequency. And if you only run one frequency you can have up to 15 watts of power for a single audio frequency.

    If you want even more power than 15 watts of power then you can purchase the M.O.P.A., gas tube amplifier which is a variablae 20 to 190 watts maximum power instrument. With this instrument you could run up to 8 audio frequencies simultaneously with up to 23.75 watts of power for each audio frequency.

    We look at it as going from good to better to best.

     

    What separates the GB-4000 from other frequency generators available today?
    While almost all manufacturers only run one frequency at a time the GB-4000 can run from 2 to 8 frequencies simultaneously for a superior multi-frequency waveform. The benefit of running frequencies simultaneously is a time saving feature. If you run 8 frequencies one at a time it would take 40 minutes to run them all but if you run them simultaneously then it would only take 5 minutes to run all 8 frequencies. 

    The GB-4000 can output up to 8 frequencies simultaneously up to 40,000 Hertz and 2 frequencies up to 20,000,000 Hertz. Each frequency is generated and output in a pure waveform. With its 20 MHz (20 million Hertz) frequency range it has the ability to generate millions of individual frequencies in pure waveforms which can be put into individual channels and run as sequences of individual or multiple frequencies.

    Some manufacturers claim that running multiple frequencies simultaneously causes the purity of each individual waveform to be lost as well as creating the possibility of canceling out or creating other frequencies. Rarely are other frequencies created and when they are they are generally beat frequencies which are considered beneficial. Even though frequencies combined together may seem to lose their individual clarity, all the components of each frequency are present. Think of an orchestra playing many different instruments. Though they combine together to make beautiful music, each instrument’s full sound components are still present and nothing is lost. In order for a frequency to be canceled out, the same frequency must be introduced 180 degrees out of phase. Since the GB-4000 does not output the same frequency 180 degrees out of phase the canceling of a frequency is not possible. The original 1930's/1950's instruments did not have any of these problems and neither do our instruments. Those who run multiple frequencies simultaneously are seeking the benefits of using multiple frequencies. The time saving benefit is the main reason most people prefer to use multiple frequencies.

  • Order: 800-477-0066

    Office: 385-220-5000

DISCLAIMER: We do not call our instruments Rife Machines or a Rife Machine like many other companies do. Dr. Rife specifically stated that he "did not want his name put on any machine" because "some people" might use his name to sell their frequency machines. Those companies who respect his wishes do not call their machine a "Rife Machine." The function generator and amplifiers on this website are sold as electronic test equipmentInformation disseminated on this website is public knowledge for educational and research purposes only. It should not be construed as any type of medical advice and you accept responsibility for any actions you may take. No suitability, claims or merchantability for any recommended purpose or use is stated or implied. This website is available to help you research and learn more about frequency generating machines. The manufacturer of this equipment is in no way responsible for the information supplied, or use of the products, for anything beyond your personal research. No statements on this website have been evaluated by the Food and Drug Administration.

Any product mentioned or described on this website is not intended to diagnose, treat, cure, or prevent any disease.

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