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About the QA40x category
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1
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618
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August 9, 2023
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Crosstalk change
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4
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40
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June 4, 2025
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Power foldback problem on graphing
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3
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86
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June 2, 2025
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Has the QA403 output out-of-band residual signals?
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32
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355
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May 30, 2025
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Surface Dial to Control QA40x
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0
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31
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May 30, 2025
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Attenuator Control Board in Measuring Power Amps document
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3
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42
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May 29, 2025
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Ctrl + "Up Arrow" increment
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3
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35
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May 29, 2025
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Testing Sources with No Input
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5
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108
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May 25, 2025
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Curious problem measuring distortion with QA403 and Alpine PDX F4 amp
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1
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35
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May 24, 2025
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Measuring RIAA with qa403
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2
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76
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May 24, 2025
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I2s connector use for Input data
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0
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49
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May 20, 2025
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QA403 export to EMF
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8
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111
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May 19, 2025
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Amplifier with 60 Hz Hum
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7
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214
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May 19, 2025
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QA403 Test / Calibration question
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20
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251
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May 12, 2025
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Improvements to the software?
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66
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961
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May 4, 2025
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Q40x request for troubleshooting intermittents
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5
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75
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May 1, 2025
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To terminate or not? QA403
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2
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99
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April 28, 2025
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Mirror the input to pc
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2
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104
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April 24, 2025
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SOLVED: QA403 software runs on Linux but can't see device (device and software work on Windows)
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5
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468
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April 19, 2025
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An XLR cable adapter
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12
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406
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April 17, 2025
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Auto pad feature request
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3
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51
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April 17, 2025
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QA403 384Khz sampling rate
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20
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1090
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April 15, 2025
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How get a read of the Signal Input In dBu
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1
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66
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April 15, 2025
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How to set the delay?
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3
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66
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April 7, 2025
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Creating a log plot of a potentiometer
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7
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135
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March 31, 2025
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Just got my new QA403 along with QA451B and had some questions
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14
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915
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March 16, 2025
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Amp Gain & Distortion Autoset Limit Issues
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10
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177
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March 14, 2025
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Intermodulation distortion?
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16
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209
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March 9, 2025
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IMD SMPTE Channels Skewed
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5
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88
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March 8, 2025
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[QA403] - ASIO Driver - When?
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30
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1281
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March 7, 2025
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