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About the QA40x category
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1
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684
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August 9, 2023
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6dB gain with Differential Cables
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4
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496
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April 13, 2026
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I don't understand this 6 dB gain
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3
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292
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April 13, 2026
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QA403 - 1000W audio amp-speaker test issue
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5
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89
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April 11, 2026
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Mesurment setup
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3
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157
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March 25, 2026
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Input bandwidth and display settings
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3
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108
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March 11, 2026
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QA403 Availability
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1
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139
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March 5, 2026
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BUG on QA403x Release 1.222
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5
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208
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March 4, 2026
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Question regarding measuring filterless class D amp
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28
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212
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February 18, 2026
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QA40x software question: plotting individual harmonics
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3
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100
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February 6, 2026
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Weighting for wow and flutter
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2
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193
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February 4, 2026
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Mirror the input to pc
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3
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186
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February 2, 2026
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What is wrong with the THD calculation with ext. Generator
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15
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121
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January 30, 2026
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Has the QA403 output out-of-band residual signals?
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44
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1066
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January 29, 2026
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BUG: sample rate and input scale
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5
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201
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January 29, 2026
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Measure power amplifier at the output?
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21
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765
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January 28, 2026
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Saved Automated Test setups not loading
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6
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154
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January 27, 2026
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Strange FFT / FFT not stable
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5
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279
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January 27, 2026
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QA403 Antialiasing?
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2
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64
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January 27, 2026
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Improvements to the software?
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88
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1722
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January 26, 2026
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An XLR cable adapter
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17
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903
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January 23, 2026
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Some bug in the spectrum display which fixes itself over time
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7
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106
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January 21, 2026
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First version of custom QA40x Audio Analyser
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34
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1318
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January 15, 2026
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I2S bug QA403 after triggering PUT /Settings/Default
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6
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193
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January 12, 2026
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IDLE Feature Request
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4
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135
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January 11, 2026
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Amp Dynamics Automated Automated Test Bug?
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5
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124
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January 11, 2026
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USB C to B Cable
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0
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70
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January 8, 2026
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Dynamic Headroom Measurement
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2
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100
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January 6, 2026
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QA403 and Tube Amp setup
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23
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575
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January 2, 2026
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Generating Other Waveforms
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9
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270
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December 18, 2025
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