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61. [AMPS] Purchase Recommendation? (score: 1): Author: RFpower@radiodan.com (Radiodan W7RF); Date: Wed, 2 Jun 1999 14:43:59 -0700; Depends on the condition of the old one. I don't know if Eimac is making them any different than they used to. I would suppose they are about the same today as yesterday. Mine still does about 2000; /archives//html/Amps/1999-06/msg00068.html (9,043 bytes)
62. [AMPS] TL-922 Filament Transformer Protection (score: 1): Author: RFpower@radiodan.com (Radiodan W7RF); Date: Sat, 5 Jun 1999 13:08:39 -0700; Hey, I thought parasitic oscillations were the root of all evil? Wow, it's a good thing we didn't try to recall all those 3CX1200A7 amplifiers that work just fine. Whew! Tnx Tom! 73, Dan Magro W7RF,; /archives//html/Amps/1999-06/msg00150.html (13,443 bytes)
63. [AMPS] slam tally (score: 1): Author: RFpower@radiodan.com (Radiodan W7RF); Date: Mon, 7 Jun 1999 11:56:25 -0700; Your choice. As my dad used to say, "don't let the door hit you in the a** on the way out" So far I've avoided any need for therapy. I have kept a pretty good tally and so far Rich You seem to have a; /archives//html/Amps/1999-06/msg00212.html (9,137 bytes)
64. [AMPS] slam tally (score: 1): Author: RFpower@radiodan.com (Radiodan W7RF); Date: Mon, 7 Jun 1999 17:40:07 -0700; I agree that the actual incidence of VHF parasitics in a properly designed HF amplifier is FAR less than you would have us believe. It's not that I don't respect your knowledge in MANY areas of radi; /archives//html/Amps/1999-06/msg00236.html (9,284 bytes)
65. [AMPS] Henry 1KD5 (score: 1): Author: RFpower@radiodan.com (Radiodan W7RF); Date: Mon, 7 Jun 1999 18:10:13 -0700; I just sold a trade in 1KD-5 on ebay for $530 in good condition and working FB. Factory checked out and the security that goes with that. I would guess with bad xformer and less tube/chimney, offer $; /archives//html/Amps/1999-06/msg00237.html (7,801 bytes)
66. [AMPS] parasites prove it? (score: 1): Author: RFpower@radiodan.com (Radiodan W7RF); Date: Fri, 11 Jun 1999 08:06:21 -0700; Rich quoted: Physician, heal thyself. 73, Dan Magro W7RF, (President WARC 1999, member SCDXC, SCCC) Manufacturers Rep & Distributor for HENRY RF Power Amplifiers. www.radiodan.com <http://www.radioda; /archives//html/Amps/1999-06/msg00390.html (8,676 bytes)
67. [AMPS] 3CX800 (score: 1): Author: RFpower@radiodan.com (Radiodan W7RF); Date: Mon, 14 Jun 1999 11:39:16 -0700; Delicate? Only a 4 watt grid dissipation! Better not make ANY mistakes at all with this tube! It is one of today's answers to "how do I make it smaller and cheaper or get more profit out of it" ampli; /archives//html/Amps/1999-06/msg00439.html (8,794 bytes)
68. [AMPS] 3CX800 (score: 1): Author: RFpower@radiodan.com (Radiodan W7RF); Date: Tue, 15 Jun 1999 10:48:22 -0700; Fortunately, the 3CX1200 series and the 3CX3000A7 are both VERY rugged tubes. Instant on too. My 1987 date code 3CX1200A7 is still in service at full output and I DON'T baby my HENRY 3K Premier. Some; /archives//html/Amps/1999-06/msg00458.html (8,920 bytes)
69. [AMPS] Intermittent 8874 (score: 1): Author: RFpower@radiodan.com (Radiodan W7RF); Date: Tue, 15 Jun 1999 11:48:42 -0700; Hi Jeff, It sounds like it is a bad connection somewhere. It should be a reasonably easy fix. Make a good physical exam and see what doesn't look like a solid connection. maybe at the tube pins thems; /archives//html/Amps/1999-06/msg00460.html (7,787 bytes)
70. [AMPS] AL-811 info???? (score: 1): Author: RFpower@radiodan.com (Radiodan W7RF); Date: Wed, 16 Jun 1999 18:05:19 -0700; <Performing my first amp repair (mine) and need a little help.... Hi Cedric, While I can't tell you what the value of resistors are used in your amplifier, allow me to take this opportunity to remind; /archives//html/Amps/1999-06/msg00484.html (7,720 bytes)
71. [AMPS] YC156 Photos (score: 1): Author: RFpower@radiodan.com (Radiodan W7RF); Date: Wed, 23 Jun 1999 20:30:08 -0700; Great idea Dave! I would be willing to create a page template that I could plug in pix and any text sent to me by the builder. I could make a page for each amplifier and an index for them all. Send d; /archives//html/Amps/1999-06/msg00624.html (10,252 bytes)
72. [AMPS] choice (score: 1): Author: RFpower@radiodan.com (Radiodan W7RF); Date: Mon, 3 May 1999 20:08:24 -0700; Larry, This is a no brainer! Look at the parts and construction of a HENRY vs the other amp. The 3K-A (pair 3-500Z) is arguably the strongest amp ever built using those tubes. Easy 2KW+ without taxin; /archives//html/Amps/1999-05/msg00020.html (9,198 bytes)
73. [AMPS] Purchase Recommendation? (score: 1): Author: RFpower@radiodan.com (Radiodan W7RF); Date: Tue, 4 May 1999 10:10:04 -0700; Paul, Which amplifier(s) are bothered by these "spikes"? Sounds like you really went to great difficulty to modify your very FB Ten Tec transceiver to allow use into some amplifier that didn't like t; /archives//html/Amps/1999-05/msg00035.html (10,252 bytes)
74. [AMPS] choice (score: 1): Author: RFpower@radiodan.com (Radiodan W7RF); Date: Tue, 4 May 1999 10:10:03 -0700; I have no idea what "Until some company The Henry amplifiers using 3-500 tubes are quite mature and stable, to say the least. This is nothing new either. It is widely known that the Kenwood TL922 had; /archives//html/Amps/1999-05/msg00036.html (10,955 bytes)
75. [AMPS] small rice burners (score: 1): Author: RFpower@radiodan.com (Radiodan W7RF); Date: Tue, 4 May 1999 16:12:16 -0700; I too love my IC-706 (original model). I like the FT-100 in many ways except reliability (at least for now). My friend Rich WU6T is on his 4th radio! He has taken it back for service directly to Yaes; /archives//html/Amps/1999-05/msg00054.html (10,223 bytes)
76. [AMPS] choice (score: 1): Author: RFpower@radiodan.com (Radiodan W7RF); Date: Tue, 4 May 1999 16:34:38 -0700; I didn't know you were the "Guinness book" keeper of these things in amplifiers. Good to know........ My guess is that the amplifier lived through this disaster. Defective tubes caused this problem,; /archives//html/Amps/1999-05/msg00055.html (10,912 bytes)
77. [AMPS] choice (score: 1): Author: RFpower@radiodan.com (Radiodan W7RF); Date: Wed, 5 May 1999 14:17:46 -0700; Even MORE doubtful is TWO separate amplifiers would make tubes blow up in the same day. Blame where blame is due. 73, Dan W7RF -- FAQ on WWW: http://www.contesting.com/ampfaq.html Submissions: amps@; /archives//html/Amps/1999-05/msg00082.html (8,859 bytes)
78. [AMPS] Henry 2K2 (score: 1): Author: RFpower@radiodan.com (Radiodan W7RF); Date: Mon, 10 May 1999 17:34:37 -0700; Hi Marty, The 2K2 is an excellent amplifier, but quite old. It was probably made about 1967. As with anything 30+ years old, it may require care from time to time. Start by a good physical/mechanical; /archives//html/Amps/1999-05/msg00131.html (10,574 bytes)
79. [AMPS] Plate.caps (score: 1): Author: RFpower@radiodan.com (Radiodan W7RF); Date: Tue, 11 May 1999 09:24:46 -0700; Henry makes these heatsink style caps. $8 each. Available from RADIODAN. 73, Dan Magro W7RF, (President WARC 1999, member SCDXC, SCCC) Manufacturers Rep & Distributor for HENRY RF Power Amplifiers. w; /archives//html/Amps/1999-05/msg00136.html (8,064 bytes)
80. [AMPS] Henry 2K2 (score: 1): Author: RFpower@radiodan.com (Radiodan W7RF); Date: Tue, 11 May 1999 15:56:36 -0700; Hi Ian, Do your thoughts on the negative lead or positive lead glitch resistor also hold true for DC choke (choke input ps)? + or - OK, but with a greater need for insulation when placed in the negat; /archives//html/Amps/1999-05/msg00142.html (10,510 bytes)

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