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References: [ +from:rbonner@qro.com: 226 ]

Total 226 documents matching your query.

81. Re: [Amps] Amp 10 m Output Fold Back Also on 15 m (score: 1)
Author: "Robert B. Bonner" <rbonner@qro.com>
Date: Tue, 16 Jan 2007 16:49:51 -0600
Didn't my response to you get published? AM I BEING RESTRICTED FOR SOME REASON? I noticed a post taking all day yesterday posted at 9:30 AM to make it up by evening. If this is the case I'll take my
/archives//html/Amps/2007-01/msg00174.html (11,731 bytes)

82. Re: [Amps] EIMAC (8877 TYPE) TUBES FOR SALE (score: 1)
Author: "Robert B. Bonner" <rbonner@qro.com>
Date: Wed, 17 Jan 2007 14:19:57 -0600
YEAH like the cover. BOOM Plate durable One small thing - they are a little bit taller than a standard 8877 so beware if there's anything immovable or critical around the anode connection. Steve ____
/archives//html/Amps/2007-01/msg00178.html (8,442 bytes)

83. Re: [Amps] YC-257 VS 8877 (score: 1)
Author: "Robert B. Bonner" <rbonner@qro.com>
Date: Thu, 18 Jan 2007 07:30:40 -0600
Somebody might want to get "CURRENT THOUGHTS FROM EIMAC" as just like the rest of us, attitudes over time. Like today I hate ham radio, yesterday I didn't, tomorrow I might not again. When I first go
/archives//html/Amps/2007-01/msg00186.html (9,534 bytes)

84. Re: [Amps] EIMAC (8877 TYPE) TUBES NO LONGER FOR SALE (score: 1)
Author: "Robert B. Bonner" <rbonner@qro.com>
Date: Sat, 20 Jan 2007 02:36:11 -0600
I'm not pointing at any other statements in this thread other than LOU's disappointment. This is the major problem with a forum such as this. EVERYBODY has the same level of authority. Meaning JOE 5
/archives//html/Amps/2007-01/msg00195.html (10,996 bytes)

85. Re: [Amps] 3CX1500A7 versus 3CPX1500 TSPA (score: 1)
Author: "Robert B. Bonner" <rbonner@qro.com>
Date: Mon, 22 Jan 2007 11:21:07 -0600
John, Same output capacitance in grounded grid configuration. My BIBLE only shows the feedthrough capacitance as varying from .1pF to .2pF for the 3CPX. PLUG THEM IN. Its been already mentioned from
/archives//html/Amps/2007-01/msg00225.html (9,618 bytes)

86. Re: [Amps] 3CX1500A7 versus 3CPX1500 TSPA (score: 1)
Author: "Robert B. Bonner" <rbonner@qro.com>
Date: Tue, 23 Jan 2007 13:54:52 -0600
What's stuck up your ass Kirkby? The differences between all versions of the tube was covered at least twenty times here in the last week. Were you on vacation? Worthy Exchequer please add Lou's 3CPX
/archives//html/Amps/2007-01/msg00234.html (10,299 bytes)

87. Re: [Amps] 3CX1500A7 versus 3CPX1500 TSPA (score: 1)
Author: "Robert B. Bonner" <rbonner@qro.com>
Date: Tue, 23 Jan 2007 18:09:30 -0600
I didn't post that post to escalate, but terminate the thread. Do I have to pop you to Lou? We really don't have to get the last word in edgewise do we? Something to think about. We never get the las
/archives//html/Amps/2007-01/msg00241.html (9,032 bytes)

88. Re: [Amps] 813 Filament Transformer (score: 1)
Author: "Robert B. Bonner" <rbonner@qro.com>
Date: Wed, 24 Jan 2007 07:40:07 -0600
You possibly could use a transformer out of an old battery charger. These usually were half wave power supplies with no filter cap and 6 and 12 v switch over here anyway. (center tapped) You could th
/archives//html/Amps/2007-01/msg00245.html (9,231 bytes)

89. [Amps] FW: plate choke bypass caps (score: 1)
Author: "Robert B. Bonner" <rbonner@qro.com>
Date: Wed, 24 Jan 2007 13:01:57 -0600
You would only bypass at the B+ end, you want this choke to think it is 1 choke... The center bypassing would make it act as two chokes. It would be better to wind a single choke bigger in diameter t
/archives//html/Amps/2007-01/msg00249.html (8,775 bytes)

90. Re: [Amps] FW: FW: plate choke bypass caps (score: 1)
Author: "Robert B. Bonner" <rbonner@qro.com>
Date: Wed, 24 Jan 2007 18:49:03 -0600
Yes Colin, I think I mentioned here once before... By 1980 I was sort of a factory authorized (didn't really exist total smoke in the vapors) DF to SX Alpha conversion center. They would just say wel
/archives//html/Amps/2007-01/msg00255.html (8,832 bytes)

91. Re: [Amps] power supply transformer (score: 1)
Author: "Robert B. Bonner" <rbonner@qro.com>
Date: Thu, 25 Jan 2007 09:46:10 -0600
I used to make jokes about rectifying the line cord. Or even throwing a wire up over the powerline and rectifying it for the power amp. Using a transformer isolates your circuit from the mains. I was
/archives//html/Amps/2007-01/msg00259.html (8,939 bytes)

92. Re: [Amps] Isolation Transformer (score: 1)
Author: "Robert B. Bonner" <rbonner@qro.com>
Date: Sat, 27 Jan 2007 13:14:55 -0600
Try www.alltronics.com this didn't take too much thinking. One too many periods. Hi Steve, The provided URL is not working and for several reasons. When you a have long URL or an URL that's likely to
/archives//html/Amps/2007-01/msg00266.html (9,241 bytes)

93. Re: [Amps] Isolation Transformer (score: 1)
Author: "Robert B. Bonner" <rbonner@qro.com>
Date: Sat, 27 Jan 2007 14:48:58 -0600
You did it again Bert, Smart Ass not smart as... ;-0 (Me too) Not everybody is as smart as you are Robert. Not only too many periods but also several spaces. I'm just trying to help. Try www.alltroni
/archives//html/Amps/2007-01/msg00270.html (10,557 bytes)

94. Re: [Amps] Bad tubes from ebay, update (score: 1)
Author: "Robert B. Bonner" <rbonner@qro.com>
Date: Sat, 27 Jan 2007 17:35:38 -0600
Larry you hit the nail on the head. I have bought a pile of tubes off eBay none of them have come from Russian Sources. If the seller claims not tested, or good tube, whatever, I always contact them,
/archives//html/Amps/2007-01/msg00273.html (10,808 bytes)

95. Re: [Amps] Thunderbolt clone (score: 1)
Author: "Robert B. Bonner" <rbonner@qro.com>
Date: Sat, 27 Jan 2007 22:27:04 -0600
Every couple weeks a T-Bolt comes up on eBay. If it isn't a Desk KW does. BOB DD Gentlemen, I was trying to find a thunderbolt for the AM station That just about duplicates my dads. A Viking Valiant
/archives//html/Amps/2007-01/msg00280.html (7,564 bytes)

96. Re: [Amps] Bad tubes from ebay, update (score: 1)
Author: "Robert B. Bonner" <rbonner@qro.com>
Date: Sun, 28 Jan 2007 02:00:38 -0600
Bob don't let 3 months elapse this is possibly what he's trying to pull now at this point with the delays. Once that happens YOU CANNOT POST A NEGATIVE... and then you are completely screwed. Tell hi
/archives//html/Amps/2007-01/msg00282.html (14,082 bytes)

97. Re: [Amps] 3CX1500A7 VS 3CPX1500A7 (score: 1)
Author: "Robert B. Bonner" <rbonner@qro.com>
Date: Sun, 28 Jan 2007 13:57:00 -0600
the same filament as in an 8877. The guy emailing REID, as that one too... It is ok with a directly heated cathode to turn down the filament until a noticed drop in emission, then turn it up a click
/archives//html/Amps/2007-01/msg00298.html (8,960 bytes)

98. Re: [Amps] 3CX1500A7 VS 3CPX1500A7 (score: 1)
Author: "Robert B. Bonner" <rbonner@qro.com>
Date: Sun, 28 Jan 2007 15:57:32 -0600
There you go Steve. I knew I had that info correct. too... There's a specific note in the 'CPX data sheet about heater voltage - basically recommending operation at 5V unless peak current above 24A (
/archives//html/Amps/2007-01/msg00306.html (8,169 bytes)

99. Re: [Amps] Filament voltages (score: 1)
Author: "Robert B. Bonner" <rbonner@qro.com>
Date: Mon, 29 Jan 2007 11:41:23 -0600
I think the point Tom has made twice now over the weekend is for BC service that might work, for ham service it doesn't. Until we are going hammer down on these amps for a solid 24/7/365, that scene
/archives//html/Amps/2007-01/msg00321.html (11,755 bytes)

100. Re: [Amps] Bad tubes from ebay, update (score: 1)
Author: "Robert B. Bonner" <rbonner@qro.com>
Date: Mon, 29 Jan 2007 11:50:14 -0600
A potential negative feedback should bring in a negotiating team from eBay and the situation negotiated to a successful finish or permanent deletion of the seller. They should earn their money at eBa
/archives//html/Amps/2007-01/msg00322.html (9,344 bytes)

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