Computer Goods/Electronics/Speaker

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Al wrote at 2012-12-12 15:42:51
You could also use a transformer to match the impedances between the circuit and the speaker. If you cannot find an off-the-shelf one, a possible way is to get a small audio output transformer (i.e. from Radio Shack), the secondary is 8 Ohms, the primary is 1000 Ohms so, you can take it apart, remove turns from the primary so you end up with a ratio of turns of 5.625 more turns in the primary than the secondary. Have fun and good luck.  


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