[SixClub] 6m Converted SB-220 Amp for Sale

[Roger (K8RI)]

On 5/22/2010 6:30 PM, Chris Boone wrote:
> My personal favorite is the 4CX15000 or the later 4CX20000---Does 35KW out
> with no strain  (Class C in a FM transmitter at 88-108MHz..so it would coast
> on 6 ;)
> You can run a YC130 in place of the 15000 but that tube is squirrely in
> tuning at times!!
>    
Yah, but how do I get the power company to run 3 phase into a 
residential area? <:-))
You do realize the corona starts melting the ends off driven elements 
and directors some where around 10KW?

Ahhhh...to be able to check the beam width by looking at the neighbors 
fluorescent lights at night<cough><:-))

On single phase the whole neighborhood would go dark the first time I 
keyed the transmitter.

73

Roger (K8RI)
> Chris
> WB5ITT
>
>    
>> -----Original Message-----
>> You do realize you can purchase tested and guaranteed YC-156 pulls for
>> about the same price as a pair of 3-500Z's? They produce a signal with
>> very low 3rd order IM.  40 watts of drive with 3KV on the plate will
>> give the legal limit out. Running at those ratings THAT tube would
>> probably still be working for your great, great, great grand kids...if
>> it didn't get gassy first.<:-)) Also the YC-156 does not require a
>> socket. The grid flange bolts directly to the chassis with filament
>> leads/cathode bolting directly to the tube rings.
>>
>>      
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