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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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Measuring noise
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7
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1271
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February 21, 2026
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1.920 THD is > THD+N
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24
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710
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February 21, 2026
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BUG on QA403x Release 1.222
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3
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103
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February 21, 2026
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What is maximum frequenz range for a frequency response measurement with the QA403
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2
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51
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February 20, 2026
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Verifying Calibration Automatically
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8
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171
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February 20, 2026
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Question regarding measuring filterless class D amp
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28
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184
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February 18, 2026
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Q403 grounding point
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13
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319
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February 18, 2026
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Issues with high frequency measurements
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3
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122
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February 18, 2026
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Two question about 403
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0
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40
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February 17, 2026
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QA40xPlot Thread
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351
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7385
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February 17, 2026
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Help with 60hz noise
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30
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459
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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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71
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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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181
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February 12, 2026
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QA402 Software on Linux and Mac
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45
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2753
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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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208
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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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89
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February 6, 2026
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QA403 user manual
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1
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55
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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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177
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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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127
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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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174
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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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109
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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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136
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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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944
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January 29, 2026
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Is my QA403 Broken?
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3
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68
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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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195
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January 29, 2026
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