Hi Roger,
Eimac 4CX800 never existed.
American amps and other were built for some time by using NOS Russian GU74b,
probably dropped from a military storage shelf
73
Peter
-----Original Message-----
From: Roger [mailto:sub1@rogerhalstead.com]
Sent: Montag, 15. Februar 2010 20:00
To: Carl
Cc: DF3KV; amps@contesting.com
Subject: Re: [Amps] Tentec Titan 425 with GU74-B????
Carl wrote:
> Its a rebranded 600W GU-74B with a magical free 200W of extra Pd to con
the
> ham market.
>
>
So the Eimac the American amps using 4CX-800s are really using GU-74B's?
73
Roger (K8RI)
> Its also a pretty non linear tube unless the ZSAC is cranked up close to
> Class A. Great shack heater.
>
> Carl
> KM1H
>
>
> ----- Original Message -----
> From: "DF3KV" <df3kv@t-online.de>
> To: <amps@contesting.com>
> Sent: Monday, February 15, 2010 7:42 AM
> Subject: Re: [Amps] Tentec Titan 425 with GU74-B????
>
>
>
>> What is a 4CX800?
>> Was never made...
>>
>> But it is true, tetrodes can not replace triodes without a major redesign
>>
>> 73
>> Peter
>>
>> -----Original Message-----
>> From: amps-bounces@contesting.com [mailto:amps-bounces@contesting.com] On
>> Behalf Of Roger
>> Sent: Sonntag, 14. Februar 2010 00:03
>> To: Greg Chartrand
>> Cc: amps@contesting.com
>> Subject: Re: [Amps] Tentec Titan 425 with GU74-B????
>>
>>
>>
>> Greg Chartrand wrote:
>>
>>> I'm looking at buying a pair of GU74-B's to have on hand as spares for
my
>>>
>> Titan 425. Has anyone out there replaced the 3cx800A7's with GU74-B's??
>>
>>> Greg
>>>
>>>
>> The GU-74B's are supposedly the same as the 4CX-800, not the 3CX-800A7
>>
>> 73
>>
>> Roger (K8RI)
>>
>> 73
>>
>> Roger (K8RI
>>
>>> ---------------------------------------------------------
>>>
>>> Greg Chartrand - W7MY
>>>
>>> Richland, WA.
>>>
>>> DN-06IF
>>>
>>>
>>>
>>> W7MY Home Page:
>>>
>>> http://webpages.charter.net/w7my/
>>>
>>>
>>>
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>>>
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