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Manufacturing Testing
the amplifier output will be at 10 dBV
97 mm deep)
you can be making basic audio measurements
QA451 Programmable 8/4 Ohm Load Audio Analyzer Manufacturing Testing17 Jun 2025: The QA451 is out of stock and has reached end of life due to availability issues with the load resistors. At some point there will be a replacement product. The QA451 and QA451B (collectively referred to as the QA451) are the replacement products for the QA450. The QA451 is designed for high speed testing of amplifiers. If you are testing at the module level (with modules designed for single supply operation), the QA451 allows the on off
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