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Total 9 documents matching your query.

1. [Amps] Quieting a Henry 2K Classic X (score: 1): Author: Dennis W0JX via Amps <amps@contesting.com>; Date: Fri, 1 Nov 2019 18:24:31 +0000 (UTC); I have acquired a Henry 2K Classic X (domestic model) amplifier. It uses a pair of 3-500Z's with chimneys. The very loud Dayton blower is driving me nuts. The Dayton blower is a model 2C915A, 3020 RP; /archives//html/Amps/2019-11/msg00011.html (8,439 bytes)
2. Re: [Amps] Quieting a Henry 2K Classic X (score: 1): Author: Ron Youvan <ka4inm@gmail.com>; Date: Fri, 1 Nov 2019 14:34:11 -0400; I have acquired a Henry 2K Classic X (domestic model) amplifier. It uses a pair of 3-500Z's with chimneys. The very loud Dayton blower is driving me nuts. The Dayton blower is a model 2C915A, 3020 R; /archives//html/Amps/2019-11/msg00012.html (8,163 bytes)
3. Re: [Amps] Quieting a Henry 2K Classic X (score: 1): Author: "Gary Smith" <Gary@ka1j.com>; Date: Fri, 01 Nov 2019 15:27:59 -0400; I like Ron's suggestion of external mounting. If you put carpeting inside the enclosure, you'll deaden the sound even more. What I did with the Alpha 77 which has a user selectable speed via a wire r; /archives//html/Amps/2019-11/msg00015.html (10,433 bytes)
4. Re: [Amps] Quieting a Henry 2K Classic X (score: 1): Author: AJ <iamfromcanadaalso@gmail.com>; Date: Fri, 1 Nov 2019 16:13:44 -0400; Hi Dennis Why not use destructive interference, I did that back in school many years ago. I know so many people complain about fan noise etc when it can be quelled. Having said that you would need a; /archives//html/Amps/2019-11/msg00016.html (9,352 bytes)
5. Re: [Amps] Quieting a Henry 2K Classic X (score: 1): Author: Jim Klein <k7rdx@charter.net>; Date: Fri, 1 Nov 2019 17:39:38 -0700; I use German EBM blowers for my YC-156 amplifiers and they are very quiet even before I add noise reduction Audio foam insulation to the cabinets and Blower body itself.You can find Audio cabinet foa; /archives//html/Amps/2019-11/msg00021.html (10,694 bytes)
6. Re: [Amps] Quieting a Henry 2K Classic X (score: 1): Author: Martin Sole <hs0zed@gmail.com>; Date: Sat, 2 Nov 2019 08:48:54 +0700; Dennis, I have here two of this exact amplifier, actually the export model but I believe transformer differences aside they are the same. I agree the blower is indeed quite noisy, though airflow I fi; /archives//html/Amps/2019-11/msg00022.html (11,866 bytes)
7. Re: [Amps] Quieting a Henry 2K Classic X (score: 1): Author: donroden@hiwaay.net; Date: Fri, 01 Nov 2019 22:34:04 -0500; Thats what Bill Orr told me about 4CX250Bs in the mid 70s. "If they pop out of the sockets, back the air down a bit. Don W4DNR _______________________________________________ Amps mailing list Amps@c; /archives//html/Amps/2019-11/msg00023.html (7,654 bytes)
8. Re: [Amps] Quieting a Henry 2K Classic X (score: 1): Author: Mark Schoonover <mark@ka6wke.net>; Date: Fri, 1 Nov 2019 21:07:06 -0700; You could always send them to my QTH. They'll be extremely quiet from your perspective! :) 73! Mark KA6WKE Website: https://www.ka6wke.net _______________________________________________ Amps mailing; /archives//html/Amps/2019-11/msg00024.html (8,353 bytes)
9. Re: [Amps] Quieting a Henry 2K Classic X (score: 1): Author: Donald Fox via Amps <amps@contesting.com>; Date: Sat, 2 Nov 2019 12:37:11 +0000 (UTC); Another thing that K7EM did was to install a step start circuit in the plate transformer primary circuit. The no longer obtainable (from Henry anyway) 1214 and 1171 plate transformers are scary expen; /archives//html/Amps/2019-11/msg00026.html (13,150 bytes)

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