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41. Re: [Amps] new SS amps at dayton (score: 1)
Author: Joe <nss@mwt.net>
Date: Fri, 28 Apr 2017 10:11:48 -0500
I came across this video he other day. First of all I do not know how he stays in Business, It is very obvious who he is making amps for mostly, and the power levels 3KW, BUT.. It is quite amazing at
/archives//html/Amps/2017-04/msg00375.html (8,905 bytes)

42. Re: [Amps] new SS amps at dayton (score: 1)
Author: Joe <nss@mwt.net>
Date: Fri, 28 Apr 2017 11:01:26 -0500
he's even got a full blown web page and everything too. in another video he's crabbing about some customer, and makes a statement how he's been making amps for a LONG time and is closing in on the 8
/archives//html/Amps/2017-04/msg00378.html (10,451 bytes)

43. Re: [Amps] new amp race (score: 1)
Author: Joe <nss@mwt.net>
Date: Sun, 21 May 2017 08:12:56 -0500
But it WILL help you be heard by someone with a littler antenna. Joe WB9SBD Sig The Original Rolling Ball Clock Idle Tyme Idle-Tyme.com http://www.idle-tyme.com On 5/20/2017 11:27 PM, Bill Turner wro
/archives//html/Amps/2017-05/msg00203.html (8,994 bytes)

44. Re: [Amps] 3-500Z cool down time (score: 1)
Author: Joe <nss@mwt.net>
Date: Mon, 5 Jun 2017 12:28:32 -0500
Plus in my amp if I ever got the plates hot enough to glow red or orange. I'd say once RF is removed I bet it's less than a second that it's no longer colored, and not long after that what ever temp
/archives//html/Amps/2017-06/msg00049.html (9,985 bytes)

45. Re: [Amps] 3-500Z cool down time (score: 1)
Author: Joe <nss@mwt.net>
Date: Tue, 6 Jun 2017 10:20:47 -0500
So this SB-220, that has been sitting since 1993, the tubes are most likely toast? Joe WB9SBD Sig The Original Rolling Ball Clock Idle Tyme Idle-Tyme.com http://www.idle-tyme.com On 6/6/2017 10:14 AM
/archives//html/Amps/2017-06/msg00083.html (13,806 bytes)

46. Re: [Amps] Ten-Tec Titan 10 Meter Input SWR (score: 1)
Author: Joe <nss@mwt.net>
Date: Sun, 11 Jun 2017 09:38:12 -0500
AND if the SWR is NOT 50 Ohms, pushing it into various lengths of a 50 Ohm coax WILL change the resulting impedance at the other end. Joe WB9SBD Sig The Original Rolling Ball Clock Idle Tyme Idle-Tym
/archives//html/Amps/2017-06/msg00152.html (9,848 bytes)

47. Re: [Amps] SB220 step start blows fuses (score: 1)
Author: Joe <nss@mwt.net>
Date: Mon, 10 Jul 2017 09:25:47 -0500
If you were to use this light bulb current limiter safety thing, but on a 220 variac, I assume you would have to put a light into each leg true? Joe WB9SBD Sig The Original Rolling Ball Clock Idle Ty
/archives//html/Amps/2017-07/msg00046.html (15,311 bytes)

48. Re: [Amps] SB220 step start blows fuses (score: 1)
Author: Joe <nss@mwt.net>
Date: Sun, 23 Jul 2017 17:47:42 -0500
On 7/23/2017 4:23 PM, Geert Jan de Groot wrote: Sorry for raking up an older topic; I don't always have time to keep up with mail. {snip} If the thing is wired for 220V, and instead of powering with
/archives//html/Amps/2017-07/msg00091.html (9,362 bytes)

49. Re: [Amps] SB200 on 30 M (score: 1)
Author: Joe <nss@mwt.net>
Date: Fri, 6 Oct 2017 10:51:12 -0500
This is an interesting question. On the ARRL Page it states, 30 Meters Maximum power, 200 watts PEP. Amateurs must avoid interference to the fixed service outside the US. Now is that Input Power? Out
/archives//html/Amps/2017-10/msg00078.html (7,915 bytes)

50. [Amps] Contacts Cleaner (score: 1)
Author: Joe <nss@mwt.net>
Date: Mon, 22 Jan 2018 20:54:44 -0600
I have been bringing an old SB-220 up from the grave with a 220 volt variac. Ever soo slowly.  But one think I have noticed is the multi switch is very flakey, it will read the hv but only with a lot
/archives//html/Amps/2018-01/msg00128.html (6,502 bytes)

51. Re: [Amps] water purity/conductivity in water cooled tube amplifiers (score: 1)
Author: Joe <nss@mwt.net>
Date: Sat, 14 Apr 2018 19:49:33 -0500
How about instead of "Water" use Mineral Oil or Transformer oil? Joe WB9SBD Sig The Original Rolling Ball Clock Idle Tyme Idle-Tyme.com http://www.idle-tyme.com On 4/13/2018 8:40 PM, Steve Bookout wr
/archives//html/Amps/2018-04/msg00029.html (12,031 bytes)

52. Re: [Amps] Dielectric grease for roller inductors ? (score: 1)
Author: Joe <nss@mwt.net>
Date: Thu, 5 Jul 2018 13:30:04 -0500
isn't dialectic grease an Insulator? Joe WB9SBD Sig The Original Rolling Ball Clock Idle Tyme Idle-Tyme.com http://www.idle-tyme.com On 7/4/2018 12:11 PM, Jim Thomson wrote: What are you folks using
/archives//html/Amps/2018-07/msg00012.html (8,265 bytes)

53. [Amps] 47 Ohm 5 watt (score: 1)
Author: Joe <nss@mwt.net>
Date: Mon, 6 Aug 2018 09:05:36 -0500
I hope someone has in their parts box. (2) 5 Watt 47 ohm non inductive resistors. Anyone? Joe WB9SBD _______________________________________________ Amps mailing list Amps@contesting.com http://lists
/archives//html/Amps/2018-08/msg00018.html (6,317 bytes)

54. Re: [Amps] 47 Ohm 5 watt (score: 1)
Author: Joe <nss@mwt.net>
Date: Sat, 11 Aug 2018 11:46:39 -0500
Yeah temp would be an issue, these will  be replacing these in a SB-220 amp. Joe Sig The Original Rolling Ball Clock Idle Tyme Idle-Tyme.com http://www.idle-tyme.com On 8/9/2018 12:54 PM, Bryan Swade
/archives//html/Amps/2018-08/msg00028.html (10,333 bytes)

55. Re: [Amps] 47 Ohm 5 watt (score: 1)
Author: Joe <nss@mwt.net>
Date: Sat, 11 Aug 2018 11:51:24 -0500
Yes temp will be an issue. these are for the parasitic things in the tops of 3-500Z's in a SB-220 amp. Joe WB9SBD On 8/9/2018 12:54 PM, Bryan Swadener via Amps wrote: Be careful of the temperature de
/archives//html/Amps/2018-08/msg00029.html (8,408 bytes)

56. [Amps] Heathkit SB-220 HV Transformer (score: 1)
Author: Joe <nss@mwt.net>
Date: Tue, 25 Dec 2018 15:35:16 -0600
Does anyone have any spec's of what each coil of the SB-220 HV transformer should ohm out to if good? Joe WB9SBD _______________________________________________ Amps mailing list Amps@contesting.com
/archives//html/Amps/2018-12/msg00109.html (7,052 bytes)

57. [Amps] SB-220 High Voltage Transformer. (score: 1)
Author: Joe <nss@mwt.net>
Date: Thu, 3 Jan 2019 13:23:49 -0600
Does anyone have the Ohmages for each coil of a Good High Voltage Transformer of a original equipment SB-220 Amp? In other words what an Ohm meter says for each coil... Joe WB9SBD ___________________
/archives//html/Amps/2019-01/msg00012.html (6,316 bytes)

58. Re: [Amps] HV rectifier diodes (score: 1)
Author: Joe <nss@mwt.net>
Date: Mon, 28 Jan 2019 09:18:36 -0600
How about equalizing resistors? Joe WB9SBD Sig The Original Rolling Ball Clock Idle Tyme Idle-Tyme.com http://www.idle-tyme.com On 1/27/2019 2:28 PM, Mark Schoonover wrote: Art, Take a look at 1N5408
/archives//html/Amps/2019-01/msg00153.html (10,391 bytes)

59. [Amps] Test (score: 1)
Author: Joe <nss@mwt.net>
Date: Sat, 11 May 2019 13:19:29 -0500
Just testing to see if this is working. I sent a message and got a reply as being blocked because of it thinks it is spam. Joe WB9SBD _______________________________________________ Amps mailing list
/archives//html/Amps/2019-05/msg00030.html (6,505 bytes)

60. [Amps] SB-220 Re-Build (score: 1)
Author: Joe <nss@mwt.net>
Date: Sun, 12 May 2019 14:25:00 -0500
SB-220 Re-Build I have had quite a long discussion going on the Heathkit Amps E-Mail Reflector, and thought for those of you here not on that list might like some of the information I have done with
/archives//html/Amps/2019-05/msg00037.html (12,366 bytes)

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