Ive heard that the 4CX1000's will be the Penta brand, made in China.
I use a lot of Penta tubes for customer repairs and 6M conversions and Im
very impressed with the quality and consistency.
How come the Russians have stopped production? I thought they needed Yankee
dollars.
Carl
KM1H
Amplifier Repair and 6M Conversions Since 1964
----- Original Message -----
From: "Bob Maser" <bmaser@tampabay.rr.com>
To: "Dennis W0JX" <w0jx@yahoo.com>; "Amplifiers" <amps@contesting.com>
Sent: Tuesday, May 20, 2008 10:23 AM
Subject: Re: [Amps] New Amps at Dayton
> The new Alpha amp that runs a pair of 4CX1000A's is the 8410. This amp
> uses
> a 3.6KVA plate transformer.
> Also at Dayton Emtron introduced their new DX2B which also uses the
> 4CX1000A. They are in the process of introducing the DX3B which will run
> a
> pair of the same tube. Looks like all the manufacturers of amps are
> scrambling to replace the Russian tubes. The 4CX1000A can be replaced by
> the 4CX1500B, which has higher plate dissipation(remember the 30S-1 mod
> with
> the high screen voltage?).
>
> Bob W6TR
> ----- Original Message -----
> From: "Dennis W0JX" <w0jx@yahoo.com>
> To: "Amplifiers" <amps@contesting.com>
> Sent: Tuesday, May 20, 2008 9:42 AM
> Subject: Re: [Amps] New Amps at Dayton
>
>
>> The only thing that I saw at Dayton worth noting is a change in the
>> current Alpha 8100.
>>
>> The finals have been replaced with TWO 4CX1000A's instead of the
>> 4CX800A7's and the amp has been relabeled either an Alpha 8200 0r 8400
>> (sorry I tossed the literature and can't remember the exact number).
>>
>> Anyway, this should be considered a warning to any amp owner who has an
>> Alpha 91, 99 or 8100, QRO 2500, or ACOM 1000 and 2000A. Alpha said the
>> supply of GU-74B's is drying up quickly and they made the switch to
>> ensure
>> availability.
>>
>> Incidentally, the 4CX1000A's used are NOT Eimac but made by Penta in
>> China.
>>
>> 73, Dennis W0JX/8
>>
>>
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>
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