- 1. [Amps] power and db (score: 1)
- Author: "Paul Kraemer" <elespe@lisco.com>
- Date: Wed, 4 Feb 2009 10:26:09 -0600
- Did I miss something in school? Probably. All the discussions on modifying linears for a few more watts seems ridiculous, or at least frivolous. db=10 log P1 /P2 still applies doesn't it? Double the
- /archives//html/Amps/2009-02/msg00072.html (7,150 bytes)
- 2. Re: [Amps] power and db (score: 1)
- Author: Glen Zook <gzook@yahoo.com>
- Date: Wed, 4 Feb 2009 09:36:49 -0800 (PST)
- Using the "olde tyme" figure of 1 "S" unit = 6 dB your figures are correct. Unfortunately, on many "modern" transceiver "S" meters that 3 dB increase in power can equate to several "S" units. A while
- /archives//html/Amps/2009-02/msg00078.html (8,991 bytes)
- 3. Re: [Amps] power and db (score: 1)
- Author: "jos hermans" <on4kj@skynet.be>
- Date: Wed, 4 Feb 2009 19:00:27 +0100
- Pertinent remark Paul. I add a less pertinent observation....... I have only the output of a FT1000mp, say 80 to 90 ( reel ) watts. Mostly active in CW contest, or a interesting pile-up.( less DX ) M
- /archives//html/Amps/2009-02/msg00080.html (9,212 bytes)
- 4. Re: [Amps] power and db (score: 1)
- Author: "Jim Brown" <jim@audiosystemsgroup.com>
- Date: Wed, 04 Feb 2009 10:48:23 -0800
- As others have noted, S-meters are NOT well calibrated. Those I've taken the time to measure with a calibrated generator are 6 dB from S8 to S9, but more like 3dB/S-unit at S5 and below. More importa
- /archives//html/Amps/2009-02/msg00082.html (8,249 bytes)
- 5. Re: [Amps] power and db (score: 1)
- Author: DAVE WHITE <mausoptik@btinternet.com>
- Date: Wed, 4 Feb 2009 20:31:46 +0000 (GMT)
- Probably so - in theory - and a conservatively run amp will run for far longer than one which is being thrashed to death. The amp that's on the bench for repairs or awaiting components when KP1 (the
- /archives//html/Amps/2009-02/msg00084.html (9,395 bytes)
- 6. Re: [Amps] power and db (score: 1)
- Author: "Jim Brown" <jim@audiosystemsgroup.com>
- Date: Wed, 04 Feb 2009 13:06:56 -0800
- I recently finished reading a bio of Einstein, and I doubt that he would have said exactly that. I have a different philosophy. The real world is complicated, and real problems often consist of many
- /archives//html/Amps/2009-02/msg00088.html (9,426 bytes)
- 7. Re: [Amps] power and db (score: 1)
- Author: Roger <sub1@rogerhalstead.com>
- Date: Wed, 04 Feb 2009 16:48:47 -0500
- In Theory :-)) 1 db is that change in audio which under ideal conditions can just be detected by the human ear. When working AU on 6-meters, hams routinely work CW that is "in the noise" to the point
- /archives//html/Amps/2009-02/msg00092.html (10,918 bytes)
- 8. Re: [Amps] power and db (score: 1)
- Author: "Carl" <km1h@jeremy.mv.com>
- Date: Wed, 4 Feb 2009 17:19:42 -0500
- Thats why I have an old MLA 2500 for backup! Many, many tests have been run and a good ear can hear a 1.5dB change. As another 160M DXer as well as VHF and above I believe it. Size matters <G> We hav
- /archives//html/Amps/2009-02/msg00095.html (11,324 bytes)
- 9. Re: [Amps] power and db (score: 1)
- Author: Dave <mausoptik@btinternet.com>
- Date: Wed, 4 Feb 2009 22:28:33 +0000
- Maybe that's what he meant. As you know, the Great Man had a mischievous mind as well as well as a brilliant one. He certainly seems to have had more of a sense of humour than most academics I worked
- /archives//html/Amps/2009-02/msg00096.html (10,095 bytes)
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