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Total 90 documents matching your query.

1. [Amps] Ameritron QSK-5 FS (score: 1)
Author: wb4mnf@atl.org (Bob Duckworth)
Date: Wed, 18 Sep 2002 21:13:46 -0400
/archives//html/Amps/2002-09/msg00145.html (6,549 bytes)

2. [Amps] Your ideal HF mobile amp. (score: 1)
Author: wb4mnf@atl.org (wb4mnf)
Date: Sat, 01 Jun 2002 18:26:53 -0400
/MM
/archives//html/Amps/2002-06/msg00011.html (6,628 bytes)

3. [Amps] Re: Big HV Transformer for Sale (score: 1)
Author: wb4mnf@atl.org (wb4mnf)
Date: Mon, 17 Jun 2002 09:53:37 -0400
Here in Atlanta I've a 2500V 1.7 A CCS We're talking 5 kW brick on the key here. Apply the typical inflation numbers for lower duty cycle applications. Primary is single phase dual 115V 50/60 Hz. I w
/archives//html/Amps/2002-06/msg00124.html (8,554 bytes)

4. [Amps] WTS: Big, HiFi, Inverter. 120 V 60 Hz 32 A output with < 2% THD. (score: 1)
Author: wb4mnf@atl.org (wb4mnf)
Date: Mon, 17 Jun 2002 10:30:29 -0400
Here is the Big, HiFi, Inverter. 120 V 60 Hz 32 A output with < 2% THD. It is a current production model and NOS. I've a second, also NOS, if someone wants 240 V 8 kVA single phase. To run a pair lik
/archives//html/Amps/2002-06/msg00126.html (7,056 bytes)

5. [Amps] Re: PUT your price on your forsale WAS FS:cheap tubesGU74B,GI7B,GS9B,GS23B (score: 1)
Author: wb4mnf@atl.org (wb4mnf)
Date: Wed, 15 May 2002 20:58:17 -0400
A little valve grinding compound and wrist work and the mate will be very nice.
/archives//html/Amps/2002-05/msg00229.html (6,929 bytes)

6. [Amps] Sale of CB amps on eBay (score: 1)
Author: wb4mnf@atl.org (wb4mnf)
Date: Sun, 26 May 2002 22:33:50 -0400
Reason for ebay response is they are getting fed up with misinformation from the radio police. They pulled my Siltronix 1011C listing because some A$$hole told them it was an unlawful CB rig. My resp
/archives//html/Amps/2002-05/msg00446.html (9,600 bytes)

7. [Amps] Another L measurement of 2" Cu strap (score: 1)
Author: wb4mnf@atl.org (wb4mnf)
Date: Fri, 05 Apr 2002 09:29:47 -0500
So what's the inductance of a silver dollar? The Q? How about a gold sovereign? The little metal band around a pigeons leg? Those stainless staples used to hold ones guts in after abdominal surgery?
/archives//html/Amps/2002-04/msg00174.html (7,771 bytes)

8. [Amps] Putting SB200 on 6m so put band switch on auction site... (score: 1)
Author: wb4mnf@atl.org (wb4mnf)
Date: Sat, 06 Apr 2002 22:03:35 -0500
If looking for one, see here. http://cgi.ebay.com/ws/eBayISAPI.dll?ViewItem&item=1343929890
/archives//html/Amps/2002-04/msg00220.html (6,394 bytes)

9. [Amps] al-1500 (score: 1)
Author: wb4mnf@atl.org (wb4mnf)
Date: Sun, 07 Apr 2002 12:03:37 -0400
Wayne If no 10m position it is likely designed in accordance with FCC mandate and is not capable of operating on 10m without modification. Mandate says something about no more than xdb gain, I think
/archives//html/Amps/2002-04/msg00223.html (8,524 bytes)

10. [Amps] re:- Heath Kit SB220 Linear Amp - Unbuilt (score: 1)
Author: wb4mnf@atl.org (wb4mnf)
Date: Wed, 10 Apr 2002 10:21:31 -0400
IMHO that would be a waste of $2000. One could buy all parts, better quality some nice sheet metal tools, have the front panel machined with engraved letters, anodized cabinet and panel, and have mor
/archives//html/Amps/2002-04/msg00283.html (8,758 bytes)

11. [Amps] Glitch resistors (score: 1)
Author: wb4mnf@atl.org (wb4mnf)
Date: Fri, 08 Mar 2002 10:13:03 -0500
Not needed with RL filter. Only RC filter. Right?
/archives//html/Amps/2002-03/msg00160.html (7,423 bytes)

12. [Amps] Power Supply using Microwave oven XFMR's ? (score: 1)
Author: wb4mnf@atl.org (wb4mnf)
Date: Fri, 15 Mar 2002 10:18:45 -0500
I would like to know if anyone has tried the $130 Panasonic SMPS spare that is sold for their newer microvave cookers? -bob
/archives//html/Amps/2002-03/msg00343.html (7,608 bytes)

13. [Amps] Henry 2KD Classic (score: 1)
Author: wb4mnf@atl.org (wb4mnf)
Date: Fri, 22 Mar 2002 21:59:48 -0500
Do not listen for ticking caps with remaining ear...
/archives//html/Amps/2002-03/msg00525.html (7,520 bytes)

14. [Amps] Fluid dynamics (score: 1)
Author: wb4mnf@atl.org (wb4mnf)
Date: Sat, 23 Mar 2002 20:53:13 -0500
Not wishing to solve empirically... I'm trying to calculate blower requirements for a tube and wonder if anyone on the list can and would mind explaining, in general, how to do this. I know: the geom
/archives//html/Amps/2002-03/msg00550.html (7,268 bytes)

15. [Amps] Amps that are GI7B candidates ? (score: 1)
Author: wb4mnf@atl.org (wb4mnf)
Date: Sun, 24 Mar 2002 09:59:10 -0500
I'm having trouble with the cooling requirements of this tube. Specs say 350 W requires 40 m**3 per hour. At 1.2 kg.m**3, that's 52 kg/hour air, squeezed through a 200mm**2 heat exchanger 'duct'. If
/archives//html/Amps/2002-03/msg00553.html (7,826 bytes)

16. [Amps] SB-220 tuning cap needed (score: 1)
Author: wb4mnf@atl.org (wb4mnf)
Date: Tue, 26 Mar 2002 19:45:15 -0500
Isn't this the way it goes... Q=CV as in charge q Coulombs Now for the other Q(uality) Loaded tank Q is around 2 to 3 Unloaded tank Q is around 10 Unplug the antenna, slam the load control to minimum
/archives//html/Amps/2002-03/msg00608.html (7,575 bytes)

17. [Amps] SB-220 tuning cap needed (score: 1)
Author: wb4mnf@atl.org (wb4mnf)
Date: Tue, 26 Mar 2002 22:57:56 -0500
RichWhat does "worst case" mean? Thanks, -bob
/archives//html/Amps/2002-03/msg00618.html (7,277 bytes)

18. [Amps] Still working on external anode tube cooling and have a few questions... (score: 1)
Author: wb4mnf@atl.org (wb4mnf)
Date: Thu, 28 Mar 2002 10:49:22 -0500
Please. Actual experience or hard reference only. How about it. I know there are some commercial amp manufacturers reading this list... Application is GI6B GI7B. Seeking info for other external anode
/archives//html/Amps/2002-03/msg00653.html (10,843 bytes)

19. [AMPS] GE 450-470Mc amp using 1 x 4cx300, pretty red knobs, anyone got one going on 70cm CW/SSB? (score: 1)
Author: wb4mnf@atl.org (wb4mnf)
Date: Sun, 09 Sep 2001 19:59:07 +0100
Trying to decide what to keep and what to dispose of before moving. Dug this out and wonder if anyone is using on ham bands and cares to talk about it. Nifty looking rack mount 1 x 4cx300 450-470Mc b
/archives//html/Amps/2001-09/msg00161.html (8,201 bytes)

20. [AMPS] RF110A Titan swap (score: 1)
Author: wb4mnf@atl.org (wb4mnf)
Date: Fri, 14 Sep 2001 06:18:37 +0100
Have an RF110A with Harris single phase 60cy PS. Clean but not tested. Moving to a very small house in Honolulu next fall and am considering TenTec Titan or other 2 x 3cx800 desktop amp. Anyone carin
/archives//html/Amps/2001-09/msg00241.html (6,451 bytes)


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