Thread: Sonora RDAU-209
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Old 04-17-2009, 05:49 PM
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Reece Reece is offline
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If you're measuring the resistance of the speaker with an ohmmeter, that's not the same as impedance. Resistance will be lower than impedance. It's probably a 3.2 or 4 ohm impedance speaker. Anything between 3.2 and 8 ohms would work. An 8 ohm speaker would be just a trifle lower in volume than a 4 ohm, at the same volume control setting, which would be remedied in all practicality by just turning up the volume a little more. A new output xfrmr. would not be needed. Of course you're looking at the insides and I'm not, but maybe a larger speaker could be mounted differently from the way the original one is. Just a thought.
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