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Total 10 documents matching your query.

1. [Amps] Pulls? (score: 1): Author: Catherine James <catherine.james@att.net>; Date: Tue, 6 Dec 2016 20:13:44 -0800; Where do you guys get your tube pulls? I see many, many mentions of pulls from medical or other devices, but I have never seen these offered. Have they dried up? Or do they all go up on eBay at crazy; /archives//html/Amps/2016-12/msg00156.html (6,385 bytes)
2. Re: [Amps] Pulls? (score: 1): Author: Catherine James <catherine.james@att.net>; Date: Wed, 7 Dec 2016 16:50:09 +0000 (UTC); And how do you find these deals when broadcast stations with older transmitters do a pull? I hear a lot of discussion around how great pulls are as an affordable source of good tubes, but it is alway; /archives//html/Amps/2016-12/msg00162.html (7,656 bytes)
3. Re: [Amps] Pulls? (score: 1): Author: K6UJ Bob Harmon <k6uj599@gmail.com>; Date: Wed, 7 Dec 2016 09:07:28 -0800; Catherine, I used to be able to get 3CPX800A7's, medical pulls. My supplier no longer has them and I haven't been able to find another supplier. I believe they aren't being used in MRI units anymore.; /archives//html/Amps/2016-12/msg00163.html (9,066 bytes)
4. Re: [Amps] Pulls? (score: 1): Author: MU 4CX250B <4cx250b@miamioh.edu>; Date: Wed, 7 Dec 2016 12:31:40 -0700; Are there any disadvantages to using the pulse-rated "800s," on HF over the original 3cx800 tubes, assuming that there's room in the RF deck for the slightly taller envelope? I'd think the higher pla; /archives//html/Amps/2016-12/msg00165.html (9,994 bytes)
5. Re: [Amps] Pulls? (score: 1): Author: Jeff Breitner <lists@rudn.com>; Date: Wed, 7 Dec 2016 15:48:22 -0500; Yes, you pretty much have to know someone. The good news is that you may just need to check with your local ham club, chances are someone there knows a broadcaster and maybe in a dusty corner at the; /archives//html/Amps/2016-12/msg00166.html (8,252 bytes)
6. Re: [Amps] Pulls? (score: 1): Author: donroden@hiwaay.net; Date: Wed, 07 Dec 2016 15:57:40 -0600; As a 40 year AM broadcast engineer, I can't remember a single pull that hadn't already dropped output below 70%. And then, those pulls were kept on a shelf for emergency backup or to use as "soft" tu; /archives//html/Amps/2016-12/msg00167.html (8,779 bytes)
7. Re: [Amps] Pulls? (score: 1): Author: RAY FRIESS <rayfrijr@msn.com>; Date: Thu, 8 Dec 2016 00:44:18 +0000; Speaking of pulls .. I was a broadcast engineer about 35 years ago and we would regularly pull tubes when they were down to about 90% of their rated readings in the transmitter. We would throw them o; /archives//html/Amps/2016-12/msg00169.html (9,886 bytes)
8. Re: [Amps] Pulls? (score: 1): Author: "Jeff AC0C" <keepwalking188@ac0c.com>; Date: Wed, 7 Dec 2016 20:31:11 -0600; I don't think PULL has a generic meaning. How can you generalize with so many different tubes in so many different applications and with different thresholds for determining when to swap? You can fin; /archives//html/Amps/2016-12/msg00170.html (11,925 bytes)
9. Re: [Amps] Pulls? (score: 1): Author: Joe <nss@mwt.net>; Date: Wed, 7 Dec 2016 22:33:08 -0600; add to the list of Pulls here, I got 8 of 4CX100K if anyone is interested. And if you want to compete with Italy, I got 4 of the 4CX15000A he he he Joe WB9SBD Sig The Original Rolling Ball Clock Idle; /archives//html/Amps/2016-12/msg00175.html (11,193 bytes)
10. Re: [Amps] Pulls? (score: 1): Author: "Doug Ronald" <doug@dougronald.com>; Date: Thu, 8 Dec 2016 09:30:01 -0800; and I have two 4CX10000D's with sockets, chimneys, filament xformer, and all associated hardware, darn-near for free... -W6DSR P.S. I "pulled" them from working xmitters. add to the list of Pulls her; /archives//html/Amps/2016-12/msg00193.html (12,603 bytes)

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