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1. LF: audio amps (score: 1): Author: "mal hamilton" <[email protected]>; Date: Tue, 17 Aug 2010 11:57:53 +0100; It has been suggested in the past to use a 15 to 20 uF capacitor in series with the amp output to the antenna, but the transformer method might be better or use nothing and match the low Z to the ant; /rsgb_lf_group-archives/html/rsgb_lf_group/2010-08/msg00390.html (7,980 bytes)
2. Re: LF: audio amps (score: 1): Author: "Johan H. Bodin" <[email protected]>; Date: Tue, 17 Aug 2010 14:15:31 +0200; Yes, a DC blocking capacitor is a good idea in some cases. For example, between the audio amp's output and the primary of a matching transformer. Otherwise, a large DC current may flow due to a small; /rsgb_lf_group-archives/html/rsgb_lf_group/2010-08/msg00727.html (8,697 bytes)

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