[SixClub] MY NEW AMPLIFIER

[Richard J. Fiero II W5TFW]

LMAO,..............


  NO WAY !


                                                      A.R.S. W5TFW
                                                            V44TFW
                                                     Richard J. Fiero II
                                                       www.w5tfw.com
                                                        www.6mt.com







----- Original Message ----- 
From: "K8RI on Six" <50MHz at rogerhalstead.com>
To: <sixclub at mailman.qth.net>
Sent: Sunday, February 12, 2012 9:09 PM
Subject: Re: [SixClub] MY NEW AMPLIFIER


> On 2/12/2012 7:51 PM, Richard J. Fiero II W5TFW wrote:
>> 1 8877 on 50 MHz.......2000 watts on 6 meters !
> OK, now you have the driver stage Joey, but what are you going to use
> for a final?
>
> I have a pair of 4CX3000s you could run push pull, or how about a YC156?
> No socket needed for the YC156, the grid ring bolts right to the
> chassis. The down side is it takes 6 to 8 minutes to warm up. OTOH the
> 4CX3000's take 375 watts (each) to light the fire, but they are pretty
> much instant on. <:-))Just think, you could claim your filaments used
> more power than most of us get out on six! To top it off you can get,
> good, tested pulls for less than an 8877 pull. Course make sure you are
> sitting down before looking up the sockets for the 4CX3000s<:-))  Always
> a trade off.  But if you are willing to wait for the warm up, the YC156
> with only 3KV on it runs about the same power and gain as the 8877 and
> will probably still be doing it when your great grand kids are ready to
> retire and it only takes 225 watts to light the fire.  However if you
> feel the need for a bit of "over head" you can up the plate voltage
> substantially, but then there is the problem of burning the ends off the
> driven element and first couple of directors, plus replacing all your
> coax connectors and probably coax... As I said, it's always a trade off.
>
> 73
>
> Roger (K8RI)
>>   Gentlemen,........... you WILL HEAR me now !
>>
>>                                                          Joey
>>
>>
>>                                                        A.R.S. W5TFW
>>                                                              V44TFW
>>                                                       Richard J. Fiero II
>>                                                         www.w5tfw.com
>>                                                          www.6mt.com
>>
>>
>>
>>
>>
>>
>>
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