- 1. Re: [Amps] QRO or Commander (score: 1)
- Author: w6duv <w6duv@planet.nl>
- Date: Fri, 07 Sep 2007 11:12:31 +0200
- The Emtron DX2 could be a good alternative as well. Cheers Dick PA3DUV W6DUV _______________________________________________ Amps mailing list Amps@contesting.com http://lists.contesting.com/mailman/
- /archives//html/Amps/2007-09/msg00071.html (9,635 bytes)
- 2. Re: [Amps] 4CX250 IMD (score: 1)
- Author: "w6duv" <w6duv@planet.nl>
- Date: Sat, 29 Sep 2007 17:00:37 +0200
- Same for the Collins 204C. Both the 4CX250B pre driver (Class A) and the 4CX250B driver (Class AB) run with 1500 VDC plate voltage and drive the 4CX5000 final tube. Cheers, Dick PA3DUV W6DUV ________
- /archives//html/Amps/2007-09/msg00481.html (11,017 bytes)
- 3. Re: [Amps] use of Emtron DX-2 during contest/expedition (score: 1)
- Author: "w6duv" <w6duv@planet.nl>
- Date: Thu, 1 Nov 2007 22:59:14 +0100
- I would suggest to run the amplifier @ it's rated 2 kW out. My experience with other Emtron tetrode amplifiers is that the efficiency drops significant when they run at a low output power level. The
- /archives//html/Amps/2007-11/msg00005.html (8,816 bytes)
- 4. Re: [Amps] use of Emtron DX-2 during contest/expedition (score: 1)
- Author: "w6duv" <w6duv@planet.nl>
- Date: Thu, 1 Nov 2007 23:21:41 +0100
- Scott, You're right, I passed with 3 errors for my Extra Class License. One of them must have been the power limit question. Of course all my tests with the DX4 have been on the 20 kW Rohde & Schwart
- /archives//html/Amps/2007-11/msg00007.html (9,204 bytes)
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