Re: [Amps] NCL-2000 retube - 4CX300 options

[John Lyles <jtml@losalamos.com>]

I have some new/old stock - unused 4CX300A and 4CX350A that are 
available if anyone has use for them anymore.
John Lyles

K5PRO


> Message: 1
> Date: Fri, 19 Aug 2022 04:45:43 +0000
> From: "Fuqua, William L." <wlfuqu00@uky.edu>
> To: Paul Decker <kg7hf@comcast.net>, Radio WC6W <wc6w_amps@yahoo.com>
> Cc: "amps@contesting.com" <amps@contesting.com>
> Subject: Re: [Amps] NCL-2000 retube
> Message-ID:
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>         
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>
>     A pair of 4CX300Y tubes. Yes, they do use special sockets, but both tubes 
> ($60 ea. new in can) and Sockets are readily available
> on E$(#*. The have 400W plate dissipation. Bias changes will have to be made. 
> The base is skinner than the the 4CX250B or the 4CX350A
> thus allowing better air flow to the anode. The 4CX300A would work just as 
> well. The 8122 plate dissipation was a bit overrated, however.
> They were intended as a cheap alternative for the 4CX250B or 4X150A/7034.
>    73
>    Bill WA4LAV
>
> _
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