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Welcome to the QuantAsylum Forum
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9
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1787
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December 7, 2019
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BUG on QA403x Release 1.222
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2
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40
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February 16, 2026
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Question regarding measuring filterless class D amp
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24
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144
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February 16, 2026
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1.920 THD is > THD+N
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18
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652
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February 16, 2026
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QA40xPlot Thread
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350
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7161
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February 16, 2026
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Help with 60hz noise
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30
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433
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February 16, 2026
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Windows Computer needs - Memory, etc
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11
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59
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February 12, 2026
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Frequency Response issues in a QA403. (edit: Be careful to turn off Weighting)
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10
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171
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February 12, 2026
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Q403 grounding point
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11
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285
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February 11, 2026
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QA402 Software on Linux and Mac
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45
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2735
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February 9, 2026
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Shipping costs to germany/europe?
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12
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200
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February 8, 2026
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QA40x Plot: linear graphic?
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4
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53
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February 6, 2026
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QA451B issue with external loads
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18
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185
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February 6, 2026
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QA40x software question: plotting individual harmonics
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3
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85
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February 6, 2026
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QA403 user manual
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1
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50
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February 5, 2026
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Weighting for wow and flutter
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2
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176
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February 4, 2026
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Need help with geophones and qa472
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1
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39
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February 3, 2026
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RIAAA test with 403
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16
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120
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February 2, 2026
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Mirror the input to pc
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3
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171
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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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108
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January 30, 2026
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Automated test AMP THD versus frequency
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3
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131
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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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925
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January 29, 2026
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Is my QA403 Broken?
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3
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66
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January 29, 2026
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Measure frequency response of digital stethoscopes
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5
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209
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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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194
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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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712
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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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151
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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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270
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January 27, 2026
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QA403 Antialiasing?
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2
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55
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January 27, 2026
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Improvements to the software?
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88
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1558
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January 26, 2026
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