[Amps] NCL-2000 retube - 4CX300 options

[John Lyles]

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 at uky.edu>
> To: Paul Decker <kg7hf at comcast.net>, Radio WC6W <wc6w_amps at yahoo.com>
> Cc: "amps at contesting.com" <amps at contesting.com>
> Subject: Re: [Amps] NCL-2000 retube
> Message-ID:
> 	<BN7PR03MB4499D44D6B7DFC3D94A2AF34CB6C9 at BN7PR03MB4499.namprd03.prod.outlook.com>
> 	
> Content-Type: text/plain; charset="us-ascii"
>
>     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
>
> _