Assistance

    If you have prepared components for building an amplifier such as a high voltage power supply, screen or grid voltage regulator or amplifier tube, and you are having problems analyzing the expected parameters of the amplifier,
you could use our extensive experience gained in developing powerful output RF amplifiers to build the amplifier of your dreams.
     We can calculate for you all the parameters of the tube, Pi or Pi-L network parameters for all HF bands, to make the analysis and, on the basis of the analysis, make recommendations as to the choice of the best parameters for the amplifier.
      Tube purchasers will automatically benefit from our free assistance, and as a free additional bonus, GU-74B/4CX800A tubes supplied will be a carefully matched pair.
      Essential for correct amplifier performance.

Cost of assistance is 25 EUR

Assistance is for vacuum tube customers.

PERSONALIZED DESIGN FOR AN AMPLIFIER USING VACUUM TUBES - $126 EUR
                                             (INCLUDES DRAWING OF SCHEMATICS AND CALCULATION OF ALL PARAMETERS AND
                                              COMPONENT VALUES )

P.S. Using our expert knowledge you can receive calculated tube parameters to achieve maximum power output, best signal quality and long tube life.
         They will be real parameters, not fairy tales. To be honest most web information claiming fantastic tube parameters, and correspondingly enhanced amplifier
         performance is just not true.
For example:
        Maximum output power of a linear amplifier using a GS-35B is 800W - 900W CW. The reason is grid overload. This tube is intended for impulse modulation You can get the same power output using a GU-74B tube.
        The maximum power produced on a GU84B anode can not be more than 2800W-CW. You will be lucky if you get 2500W. into a dummy load on all bands due to the low efficiency of the PI-Network normally used. There is only one way to achieve maximum power output, commensurate with a high quality signal and long tube life. You have to define all parameters very accurately. We can do that for you.

Vacuum tube facts
Tube type HF amplifier tuning
Beware this type of schematic damages tetrode grid 1 for short time!

SAVE MONEY WITH OUR EXPERT ASSISTANCE