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Total 12 documents matching your query.

1. [Amps] modern 811 designs? (score: 1): Author: danlevans at msn.com (Dan Evans K9ZF); Date: Fri Apr 4 12:19:05 2003; Hi Folks, Can anyone point out any good 811a amp designs on the web, or elsewhere? I'm considering building an 811 based amp for a "beginner-amp-builder" project. Basically, I'm just looking for some; /archives//html/Amps/2003-04/msg00021.html (7,108 bytes)
2. [Amps] modern 811 designs? (score: 1): Author: stevek at jmr.com (Steve Katz); Date: Fri Apr 4 12:43:17 2003; Dan, most 811 designs probably are 40 years old! But you might consider making a copy of the Ameritron AL-811...its manual contains complete schematic diagrams and parts lists, and Ameritron even sel; /archives//html/Amps/2003-04/msg00022.html (9,086 bytes)
3. [Amps] modern 811 designs? (score: 1): Author: 2 at vc.net (2); Date: Fri Apr 4 13:16:13 2003; ? this should be an interesting project, Dan. If I were going to build an 811A amplifier, I would use c. eight tubes in parallel since an 811A's anode-dissipation is only 65w. This would yield 520w; /archives//html/Amps/2003-04/msg00023.html (9,159 bytes)
4. Fw: [Amps] modern 811 designs? (score: 1): Author: nospam4me at juno.com (skipp isaham); Date: Fri Apr 4 22:21:37 2003; Hi Dan, - The W6SAI Handbook, the Heathkit Warrior, the Collins 30L-1, various ARRL Handbooks and QST Mags through the past decades. - Of course a few of the above mentioned can be found on the http:; /archives//html/Amps/2003-04/msg00031.html (9,202 bytes)
5. Fw: [Amps] modern 811 designs? (score: 1): Author: 2 at vc.net (2); Date: Sat Apr 5 06:31:53 2003; ? The problem is not grid-sag, it is filament sag when the filament is hot. The W-shaped filament sags no matter how it is oriented, but when the W is vertical, the filament-to-grid spacing is not a; /archives//html/Amps/2003-04/msg00033.html (10,654 bytes)
6. [Amps] modern 811 designs? (score: 1): Author: n9rla at yahoo.com (Dan Evans); Date: Sat Apr 5 22:42:09 2003; I would like to say thanks for all of the very positive suggestions regarding an 811 amp design! I received several excellant suggestions such as copying the Ameritron designs, along with websites fo; /archives//html/Amps/2003-04/msg00050.html (8,719 bytes)
7. [Amps] modern 811 designs? (score: 1): Author: nagato at arnet.com.ar (GGLL); Date: Sun Apr 6 18:42:31 2003; Dan Evans escribi?: As I've seen a few minutes ago, this GI7B is a very different tube than 811, and also, it's rated upto 2.7 GHz!. I don't even know its cost, but, could it be convenient for an HF; /archives//html/Amps/2003-04/msg00060.html (7,645 bytes)
8. [Amps] modern 811 designs? (score: 1): Author: RFlabnotes at aol.com (RFlabnotes@aol.com); Date: Mon Apr 7 11:23:49 2003; Dan: Someone suggested that you use 8x811A in parallel. Before starting to punch out the holes for all of those sockets (not to mention the 200W filament transformer) I would suggest you consider the; /archives//html/Amps/2003-04/msg00064.html (8,957 bytes)
9. [Amps] modern 811 designs? (score: 1): Author: 2 at vc.net (2); Date: Mon Apr 7 13:42:31 2003; ? Close enough. With 1800v on the anodes, I calculate 590-ohms (?) of RL.. ? new math ? ? I can layout a 3 by 3 square for 8, 811As, including the anode choke that would need c. 8-inches of anode le; /archives//html/Amps/2003-04/msg00065.html (10,616 bytes)
10. [Amps] modern 811 designs? (score: 1): Author: 2 at vc.net (2); Date: Mon Apr 7 15:36:49 2003; ? Good idea, Bob. However, for those who want to use an inexpensive tube type, the 811 is an ok choice. - R. L. Measures, a.k.a. Rich..., 805.386.3734, AG6K, www.vcnet.com/measures. end; /archives//html/Amps/2003-04/msg00066.html (12,203 bytes)
11. [Amps] modern 811 designs? (score: 1): Author: 2 at vc.net (2); Date: Mon Apr 7 16:44:47 2003; ? Even if only 6 are close, nobody could tell on the Rx end. ? nothing glows like tantalum. - R. L. Measures, a.k.a. Rich..., 805.386.3734, AG6K, www.vcnet.com/measures. end; /archives//html/Amps/2003-04/msg00067.html (7,630 bytes)
12. [Amps] modern 811 designs? (score: 1): Author: K6KWQ at aol.com (K6KWQ@aol.com); Date: Mon Apr 7 19:15:32 2003; I can buy a 1500 watt Russian tube cheaper then 8 each 811A's, a lot less work. K6KWQ 12 volt radios are for sissies real radios can kill you. QRO? Still can't make it? You need "more power"; /archives//html/Amps/2003-04/msg00069.html (7,693 bytes)

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