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Welcome to the QuantAsylum Forum
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9
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1812
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December 7, 2019
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Can I test a USB ADC with the QA403?
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4
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188
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April 10, 2026
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QA40xPlot Thread
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380
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8688
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April 8, 2026
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SPLMeter app now available on GitHub
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0
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50
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April 7, 2026
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Frequency respone trace
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5
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102
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April 7, 2026
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Qa40x_V2 Version 0.1
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26
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498
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April 4, 2026
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QA402 Software on Linux and Mac
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51
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2964
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March 24, 2026
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Abnormal Graph on Crown Amp
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8
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112
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March 16, 2026
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SPKR Impedance - Vas measurement issue
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2
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99
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March 13, 2026
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403 and ARTA sw
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2
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112
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March 12, 2026
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Testing an audio compressor
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3
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97
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March 7, 2026
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My custom Q403 case
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4
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148
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March 5, 2026
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Adding a switch to the 403
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13
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221
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March 3, 2026
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Verifying Calibration Automatically
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9
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208
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February 26, 2026
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1.920 THD is > THD+N
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24
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739
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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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97
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February 20, 2026
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Q403 grounding point
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13
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365
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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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134
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February 18, 2026
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Two question about 403
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0
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51
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February 17, 2026
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Help with 60hz noise
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30
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514
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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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81
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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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193
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February 12, 2026
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Shipping costs to germany/europe?
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12
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227
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February 8, 2026
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QA40x Plot: linear graphic?
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4
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57
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February 6, 2026
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QA403 user manual
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1
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74
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February 5, 2026
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Need help with geophones and qa472
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1
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43
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February 3, 2026
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RIAAA test with 403
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16
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143
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February 2, 2026
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Automated test AMP THD versus frequency
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3
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147
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January 30, 2026
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Is my QA403 Broken?
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3
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75
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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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222
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January 29, 2026
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