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Post subject: Princeton Reverb RI - Extension Cabinet
Posted: Mon Feb 01, 2010 5:30 pm
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Hello, anyone use an extrenal speaker cabinet with this amp and also run the internal speaker at the same time? The manual says 8 OHM minimum so I'm assuming I have to replace the internal speaker with a 16 OHM one and have an extension cab that is 16 OHM as well. Is this correct? anyone try this?


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Posted: Wed Feb 03, 2010 10:05 am
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If the reissues are like the originals, no - you can plug in an 8 ohm extension cabinet, which is what I do with mine. Otherwise, without an extension cab, you'd be running 16 ohms into the amp.

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Posted: Mon Feb 08, 2010 12:18 pm
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Weber makes two models of an impedance matcher. The Impedance Matcher allows you to match the output impedance of your amp to impedances of speakers and cabinets that are not the same as your amp output impedance. Matches 2, 2.6, 4, 5.3, 8, and 16 ohms to 2, 2.6, 4, 5.3, 8, and 16 ohms. Includes an extra output jack and a balanced and unbalanced line out with a level adjustment.

Also, I read somewhere that any tube amp can handle a 100 percent mismatch, although the preference is usually to go for the low mismatch (4 instead of 16 for an 8 ohm OT).

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