Page 13 - GB-4000 Brochure www.QuantumBalancing.com
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For those who want more Power! “M.O.P.A.”


          190-Watts - Works exclusively with the “GB-4000”


                                                                                Please  note:  The  plasma  tube  is
                                                                                sold  by  a  separate  company.  But
                                                                                we  designed  and  tested  it  so  it  is
                                                                                matched to the “M.O.P.A.” circuit

                                                                                for the greatest power output. It is
                                                                                guaranteed  to  work  with  the
                                                                                “M.O.P.A.”
                                                                                A  smaller  plasma  tube  will  not  be
                                                                                able to handle the power output of
                                                                                the “M.O.P.A” and will void the war-
                                                                                ranty. We will help make sure you
                                                                                get  the  correct  plasma  tube  when
                                                                                you purchase the “M.O.P.A.”


















           The “M.O.P.A.” (Master Oscillator Power Am-             It has two variable frequency ranges. One is
        plifier) is a variable 20-watt to a maximum of 190      from about 2.2MHz to about 3.8MHz and when

        -watts RF plasma tube amplifier. It is an updated       producing harmonic sidebands its frequency
        replica of the original vacuum tube equipment           range goes from about 1.7 to 4.3MHz. The se-

        that was manufactured during the 1930’s/1950’s          cond frequency range covers the GB-4000’s
        era. It can be run 24/7 without overheating.            complete frequency range from 1 Hertz to
            Though it has been updated with modern              20MHz or 20 million Hertz.

        electronics it still uses the RF tank coil and 812a        Why have an instrument that only has a
        vacuum tube needed to produce the original an-          180,000 to 400,000 Hertz frequency range when

        alog sine wave and square wave waveform out-            you can have an instrument with a 20 million
        put of the original 1936/1950’s style equipment.        Hertz frequency range and is less expensive?

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