Question about Fisher RS909
I have a pair of "The Fisher XP-55b" loud speakers, and they have COM/OHMS connections instead of a typical +/- one. So, how can I connect them to a new amplifier? My current connection is that "+" to "COM" and "-" to "OHMS". If I changed the current poles, would I only change the diaphragm's beating direction? I am wondering if there is an appropriate connection form for those ones. Thanks..
Hi, assuming there are only 2 connections then you're idea is basically sound as long as you follow the same setting/connection scheme for both left and right speakers. However, you may want to reverse since if I remember it right COM would refer to common or ground and therefore OHMS(there should be a 4 or an 8 somewhere) would have to be the +. It might also be a good idea to check if the impedance of the speaker will match the "new amplifier". Please let me know how this turns up. Regards.
Posted on Apr 15, 2007
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