OT: Simple electronics question...

>> the other goes >> to one of the 'ends' of the pot] in one of the the speaker >> lines (doesn't matter which one)

>> -----Original Message----- >> From: cctalk-bounces(a)classiccmp.org >> [mailto:cctalk-bounces@classiccmp.org] On Behalf Of John Lawson >> Sent: Wednesday, August 04, 2004 3:33 PM >> To: woyciesjes(a)sbcglobal.net; General Discussion: On-Topic >> and Off-Topic Posts >> Subject: Re: OT: Simple electronics question... >> >> >> >> Clock radio speaker output reduction: >> >> Note that a good number of the smaller clock radios use >> higher-than-usual speaker impedances. sometimes upward of >> 60 ohms: saves output devices having to handle heavy >> currents (relatively). >> >> T'were it me, I'd obtain a 500-ohm 'trimmer' pot - the >> kind that is meant to go on a printed circuit board, be >> adjusted once, then left... >> 500 ohms at 1/4W would be fine - then put it series [one >> speaker wire goes to the wiper of the pot, the other goes >> to one of the 'ends' of the pot] in one of the the speaker >> lines (doesn't matter which one) and tweak it until you >> have the gain level you like. Pop the cover back on et Voila! >> all done. Just get a single-turn one, not the multi-turn >> type. If you really want to get fancy, you can put a small >> switch in the case, and short out the pot, thus restoring >> the radio to full volume if desired. If you could find a >> suitable volume-control / switch combination, that might >> also be a slick way to do this.. but I doubt seriously that >> a 500-ohm volume control with integral switch could be found. >> >> The usual cautions about working on/around >> mains-connected devices applies, if the clockradio is in >> fact plugged right into the wall. >> >> >> Cheers >> >> John >> >> >> PS: this presupposes you are comfortable with soldering....