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61. Re: [Amps] GS35B Amps Common Problem / few more comments (score: 1): Author: mark bitterlich <markbitterlich@embarqmail.com>; Date: Wed, 06 Nov 2019 18:52:57 -0500; While I totally agree that the 8877 is a great tube, and has been used successfully in many great amp designs both commercial and homebrew, I personally agree with Carl. The 3CX3000A7 gives the best; /archives//html/Amps/2019-11/msg00047.html (10,957 bytes)
62. Re: [Amps] GS35B Amps Common Problem / few more comments (score: 1): Author: "Mark Bitterlich" <markbitterlich@embarqmail.com>; Date: Thu, 7 Nov 2019 12:40:18 -0500; Jim, you can buy two new 8877's for $180 each? That is impressive. Yes, the socket is expensive. Yes, the filament is at 7.5 volts at 51.5 amps, but it is also a no warm up tube so it doesn't need to; /archives//html/Amps/2019-11/msg00057.html (12,823 bytes)
63. Re: [Amps] Amp causing RFI (score: 1): Author: mark bitterlich <markbitterlich@embarqmail.com>; Date: Tue, 28 Jan 2020 21:52:12 -0500; If he hooks his antenna to the ground rod, it might actually solve his issue. Wa3jpy -- Original message --From: Ron Koenig <k4akkron@gmail.com> Date: 1/28/20 19:01 (GMT-05:00) To: John Bodine <joh; /archives//html/Amps/2020-01/msg00044.html (8,870 bytes)
64. Re: [Amps] Henry 2K-4 Failure (score: 1): Author: mark bitterlich <markbitterlich@embarqmail.com>; Date: Thu, 19 Mar 2020 21:32:24 -0400; Or you could try a new tube ...... -- Original message --From: Adrian <vk4tux@gmail.com> Date: 3/19/20 18:17 (GMT-05:00) To: Jim Thomson <jim.thom@telus.net>, amps@contesting.com Subject: Re: [Amps]; /archives//html/Amps/2020-03/msg00085.html (9,101 bytes)
65. Re: [Amps] Henry 2K-4 Failure (score: 1): Author: mark bitterlich <markbitterlich@embarqmail.com>; Date: Fri, 20 Mar 2020 13:57:01 -0400; Nichrome wire would have to dissipate 75 watts of heat unless it was mounted on stand-offs with air flow. Otherwise that heat will go directly to the socket thus quickening their demise as they lose; /archives//html/Amps/2020-03/msg00090.html (10,711 bytes)
66. Re: [Amps] SB-220 Output Network (score: 1): Author: Mark Bitterlich <markbitterlich@embarqmail.com>; Date: Thu, 12 Aug 2021 18:15:12 -0400; You might consider looking at the network design values of the Henry 3k that used a pair of 3-500's. Both the 3k and 3k-A ran those tubes with about the same plate voltage you mention. They could exc; /archives//html/Amps/2021-08/msg00021.html (13,114 bytes)
67. Re: [Amps] SB-220 Output Network (score: 1): Author: Mark Bitterlich <markbitterlich@embarqmail.com>; Date: Thu, 12 Aug 2021 18:29:18 -0400; Of course the Henry was a Pi-L tank, but the tune cap was a split stator 29-145 pf cap at 4500 vdc. -- Original message --From: Richard Solomon <dickw1ksz@gmail.com> Date: 8/12/21 6:21 PM (GMT-05:00; /archives//html/Amps/2021-08/msg00023.html (14,317 bytes)

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