What new production run?
DX Engineering says "Equivalent to 4CX800A", a 4CX800A never existed.
And plate dissipation is 600W, not 800W.
73
Peter
-----Original Message-----
From: Amps [mailto:amps-bounces@contesting.com] On Behalf Of John Bodine
Sent: Dienstag, 2. April 2019 13:04
To: Amps Amps
Cc: n2iccarl@gmail.com
Subject: Re: [Amps] QRO 2500DX MARK lll 4CX800
>From personal experience, I would recommend DXengineering for the GU-74b.
These are from a new production run by Svetlana and they work great but YOU
MUST reset the bias when changing tubes or they may not run linear.
https://www.dxengineering.com/parts/dxe-gu74b
On Tue, Apr 2, 2019 at 1:32 AM Steve London <n2icarrl@gmail.com> wrote:
> So, Carl, where would you suggest us cheap, constantly crying, hams get
> new, or
> at least new-old-stock Eimac 4CX800's and 3CX800's ? Lotsa luck.
>
> 73,
> Steve, N2IC
>
> On 04/01/2019 09:08 AM, Carl wrote>>
> >> Unlike Eimac, Philips and similar manufactures who design tubes for CCS
> >> service along with plenty of reserve emission to compensate for aging.
> that
> >> tube and most amateur service Chinese are run at the edge. And cheap
> hams
> >> cry constantly.
> >>
> >> Carl
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>
--
Later,
John Bodine/WU2E
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