- 1. Re: [Amps] 4-1000A color (score: 1)
- Author: Rob Atkinson <ranchorobbo@gmail.com>
- Date: Thu, 26 May 2011 09:19:51 -0500
- I run 3-500zg orange for years with no trouble--you just have to blast the air over them; only RF PA tube I know of that isn't supposed to show color is the 813 and if you look at the plate thickness
- /archives//html/Amps/2011-05/msg00227.html (6,855 bytes)
- 2. Re: [Amps] 4-1000A color (score: 1)
- Author: "Roger (sub1)" <sub1@rogerhalstead.com>
- Date: Thu, 26 May 2011 15:04:06 -0400
- In my 2K4 they ran quite bright. I used to run 813's well past showing color. They were downright glowing, yet I never had any problems with them. Of course back then they were $5 to free and "we" as
- /archives//html/Amps/2011-05/msg00232.html (8,037 bytes)
- 3. Re: [Amps] 4-1000A color (score: 1)
- Author: Glen Zook <gzook@yahoo.com>
- Date: Fri, 27 May 2011 14:21:27 -0700 (PDT)
- I have heard some REALLY "olde tymers" say that they ran a 6L6 with like 1200 volts on the plate. They had to send CW really fast because a short "dah" turned the plate red hot and a long "dah" melte
- /archives//html/Amps/2011-05/msg00253.html (7,383 bytes)
- 4. Re: [Amps] 4-1000A color (score: 1)
- Author: "Paul Kraemer" <elespe@lisco.com>
- Date: Fri, 27 May 2011 17:43:02 -0500
- One of my earliest acquaintances with an old tyme contester and dxpeditioner (now SK) ran a 4-1000 at 6 kv and 1adc key down. With 5 elements at 150 ft he could demonstrate the ability to pretty much
- /archives//html/Amps/2011-05/msg00254.html (8,396 bytes)
- 5. Re: [Amps] 4-1000A color (score: 1)
- Author: Jan Erik Holm <sm2ekm@telia.com>
- Date: Sat, 28 May 2011 08:00:43 +0200
- The first 4-1000A amp I built (1973 I think it was) "almost" ran those numbers, no problem with the tube, the glow was more white then red. Later I converted it to 2 x 4-1000A and 3-phase power suppl
- /archives//html/Amps/2011-05/msg00263.html (9,032 bytes)
This search system is powered by
Namazu