[AMPS] Tube selection

Rich Measures measures@vc.net
Sun, 21 Feb 1999 02:53:07 -0800




>
>A pull-out YC-156 would be cheaper than any you mentioned and easiest to
>build....no screen & bias supplys...no socket...28 bucks for a fillament
>XMFR. At 4KV it will produce 1500 watts output with only about 60 watts
>drive.

€  What drive level is required to obtain the rated anode-current, Terry? 
 thanks.. 
>
>"Larry L. Ravlin" wrote:
>> 
>> Gentlemen,
>> 
>> I am starting to put togeather the componets for a RTTY amp and have
>> decided to pick between three tubes, 8171, 3cx3000 and 2-8877's.
>> 
>> I am going to run the exciter at LOW output and "brick on key" operation,
>> I am leaning toward the 8171 but would like to hear input from others  as
>> to which tube they would use.
>> 
>> Larry L. Ravlin AKA (Laurence the Magnificent)
>> "Collins Equipt forever"
>> Ham Radio Operator K0AEY
>> Walterville, Or.
>> sheepdip@continet.com
>> 
>> "this is not a rice storage facility"
>> 
>> 
>> 
>> 
>> 
>> 
>> 
>> 
>> 
>> 
>> 
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>
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Rich...

R. L. Measures, 805-386-3734, AG6K, www.vcnet.com/measures  


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