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Phono + Test Record + Preamp
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1
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107
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July 4, 2025
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QA403 export to EMF
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10
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175
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July 2, 2025
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QA403 left output problem
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5
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105
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June 30, 2025
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Bob Cordell's QA403 Tutorial
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37
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2252
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June 25, 2025
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ABX Testing Application
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9
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191
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June 24, 2025
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Max level/ headroom
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20
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335
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June 18, 2025
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Release 1.216 is up on Github
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21
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344
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June 18, 2025
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Automated Test idea
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1
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78
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June 18, 2025
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QA462 stand-alone?
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2
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83
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June 14, 2025
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Power foldback problem on graphing
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9
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200
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June 13, 2025
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AmpFrequency Response or Chirp?
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8
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139
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June 12, 2025
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Testing X-Plot Response
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8
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69
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June 11, 2025
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Measuring RIAA with qa403
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10
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262
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June 11, 2025
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Automated tests - an exception occured - solved
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6
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70
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June 9, 2025
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Curious problem measuring distortion with QA403 and Alpine PDX F4 amp
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2
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89
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June 8, 2025
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Crosstalk change
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4
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88
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June 4, 2025
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AudioXpress October 2023 Loudspeaker SPL Response
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17
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738
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June 2, 2025
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Surface Dial to Control QA40x
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0
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63
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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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74
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May 29, 2025
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Ctrl + "Up Arrow" increment
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3
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47
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May 29, 2025
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DOA or Partially Functioning QA-403
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8
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111
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May 28, 2025
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Issues with Calibration compared with My Audio Precision
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22
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362
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May 28, 2025
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Testing Sources with No Input
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5
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135
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May 25, 2025
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Getting hold of a QA403 device
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4
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158
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May 22, 2025
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REST API Phase Measurement
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2
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87
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May 21, 2025
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I2s connector use for Input data
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0
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73
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May 20, 2025
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Amplifier with 60 Hz Hum
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7
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247
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May 19, 2025
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Pulsating oscillator
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21
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218
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May 19, 2025
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The issues with QA403 and 1.183 in terms of usage
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18
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837
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May 17, 2025
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Very Strange Frequency issue
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1
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63
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May 16, 2025
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