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Total 4 documents matching your query.

1. [Amps] Toroidal filament choke and DC current (score: 1): Author: Peter Bertini <radioconnection@gmail.com>; Date: Wed, 3 Jan 2018 14:51:23 -0500; I'm building a four tube 813 amplifier and I am planning to use a 240-43 toroid core for the filament choke. I've seen some concerns about core saturation due to the DC cathode current involved in th; /archives//html/Amps/2018-01/msg00034.html (7,065 bytes)
2. [Amps] Toroidal filament choke and DC current (score: 1): Author: "Jim Thomson" <jim.thom@telus.net>; Date: Wed, 3 Jan 2018 18:56:14 -0800; <I'm building a four tube 813 amplifier and I am planning to use a 240-43 toroid core for the filament choke. I've seen some concerns about core saturation due to the DC cathode current involved in t; /archives//html/Amps/2018-01/msg00037.html (9,879 bytes)
3. Re: [Amps] Toroidal filament choke and DC current (score: 1): Author: Manfred Mornhinweg <manfred@ludens.cl>; Date: Thu, 04 Jan 2018 14:49:09 +0000; Pete, I've seen some concerns about core saturation due to the DC cathode current involved in this application. I just did the maths. Unless I messed up while typing numbers into my trusty old Sharp; /archives//html/Amps/2018-01/msg00040.html (9,462 bytes)
4. Re: [Amps] Toroidal filament choke and DC current (score: 1): Author: "Carl" <km1h@jeremy.qozzy.com>; Date: Sat, 6 Jan 2018 10:46:30 -0500; Pete, the TL-922 has the 3-500Z filaments in series and the flat ferrite flat bar filament choke is quite small and 22uH. but I have no idea of its ferrite specs. That amp makes full power on 160 wit; /archives//html/Amps/2018-01/msg00055.html (10,004 bytes)

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