>
>Thanks for your kind attention to my problem,.... Now !! I have homebrewed
>exciter with 1 watt output using 6CL6 to drive my current linear amp using
>pair of 6146B, but in future I want to replace this current liner amp to a
>single 4-400A amplifier, and I have prepared power supply for this porpose
>with 2500 volt and 0.6A output. I have think, this is not suffience to drive
>4-400A with grounded grid configuration. So what the best thing should I do
>with my 4-400A and my current exciter with only 1 watt output ?, should it
>be increased ??....
? Only if you want to drive the 4-400A in Class AB1.
>------------------------------
>
>>From: Rich Measures <measures@vc.net>
>>To: "Firson, YD1BIH" <firson@hotmail.com>, <amps@contesting.com>
>>Subject: Re: [AMPS] 4-400A On AB1
To: <amps@contesting.com>
>>Date: Tue, 13 Jul 1999 22:01:12 -0700
>>
>>
>>
>>
>> >
>> >Hi All,
>> >
>> >I am try to build linear amp using single 4-400A, I don't know, how much
>> >drive required for 4-400A in class AB1..Any body could describe me, how
>>much
>> >is it ??.
>> >
>>Ä With 4kV on the anode and 800v on the screen, it takes about neg. 140v
>>on the grid to make 75mA of ZSAC. . With a 200-ohm grid termination R
>>and a 1 to 2 bifilar input transformer, 140 p-v works out to about 50w of
>>drive. For best stability, ground the screen direct to the chassis and
>>DC-float the cathode. There's a circuit on my Web site.
>>
>>- cheers, Firson
>>
>>
>>Rich...
>>
>>R. L. Measures, 805-386-3734, AG6K, www.vcnet.com/measures
>>
>>
>>--
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>>
>
>
>______________________________________________________
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>
>--
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>
Rich...
R. L. Measures, 805-386-3734, AG6K, www.vcnet.com/measures
--
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