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Tubes Asylum Questions about tubes and gear that glows. FAQ |
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Tubes Asylum Questions about tubes and gear that glows. FAQ |
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In Reply to: RE: Output Impedance Question??? posted by ecline6 on February 28, 2014 at 05:47:07:
You can measure with a multimeter. Reading the Ohms scale, the 4 Ohm tap to ground will read slightly lower than the 8 Ohm tap. (not much difference, probably a half Ohm difference).
You can also measure the audio output (AC Volts)at the taps. With no load, inject a constant level input source (a tone or pink noise). Keep the level VERY LOW, around one volt. (you can damage an output transformer by driving it to high levels unloaded). The 8 Ohm tap will be outputing slightly more voltage than the 4 Ohm tap.
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Follow Ups
- RE: Output Impedance Question??? - Alpha Al 06:51:56 02/28/14 (3)
- RE: Output Impedance Question??? - ecline6 16:32:02 02/28/14 (2)
- RE: Output Impedance Question??? - TimeConstant 17:03:16 02/28/14 (1)
- RE: Output Impedance Question??? - ecline6 19:18:07 03/01/14 (0)
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