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Re: [Amps] Building an amp suggestions

To: "Jim W7RY" <w7ry@centurytel.net>, "glenn riccio" <gfriccio@hughes.net>, <amps@contesting.com>
Subject: Re: [Amps] Building an amp suggestions
From: "Carl" <km1h@jeremy.mv.com>
Date: Wed, 7 May 2014 22:22:31 -0400
List-post: <amps@contesting.com">mailto:amps@contesting.com>
3CX1000A7 if you can find one and a socket. Its what the 8877 should have been....bulletproof even at the updated 1500W dissipation.

The pull in my 2M amp will still do 1800W after almost 30 years.

Carl
KM1H



----- Original Message ----- From: "Jim W7RY" <w7ry@centurytel.net>
To: "glenn riccio" <gfriccio@hughes.net>; <amps@contesting.com>
Sent: Wednesday, May 07, 2014 9:37 PM
Subject: Re: [Amps] Building an amp suggestions


8877 would be my choice!

See:

http://s900.photobucket.com/user/w7ry/library/8877%20Amplifier?sort=3&page=1

73
Jim W7RY


-----Original Message----- From: glenn riccio
Sent: Saturday, May 03, 2014 3:16 PM
To: amps@contesting.com
Subject: [Amps] Building an amp suggestions

Hi every one , I am contemplating building another QRO amp. Several years
ago , I built a GG amp using a pair of 3-500z"s. Very conventional but it
works very well. I now have the urge to build another amp. I am considering using a 4-1000 but I have read that it probably isn't the best choice for GG
service. Then I thought about  class AB1. That also has its drawbacks as I
understand neutralization can be tough to get right. Since 99% of my
operating is CW, maybe a class C is the way to go.

 Does any one have any suggestions as to the best tube to use other than
4-1000 ?  Any ideas would be helpful. Thanks es 73 de K7GFR  Glenn

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