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Installing QA403
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2
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111
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October 2, 2025
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Feature request: Polarity Test
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5
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137
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September 25, 2025
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Calculating Noise Floor from Export Frequency Series
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10
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152
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September 24, 2025
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Tractor status and forks
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0
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59
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September 24, 2025
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Strange frequency blip
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4
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78
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September 24, 2025
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QA403 additional input protection
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4
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187
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September 22, 2025
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Channel L an R are Different? (Getting started with your QA402)
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5
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92
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September 18, 2025
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QA403 REST API and attenuator setting
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1
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52
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September 18, 2025
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Substitute the QA472 Low Noise Mic Preamp?
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2
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66
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September 18, 2025
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Output unstable?
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7
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103
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September 16, 2025
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Amp Dynamics Automated Automated Test Bug?
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4
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82
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September 15, 2025
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Feature request - Switching out 12dB attenuation
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1
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51
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September 15, 2025
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How to control four QA403 units using a USB hub?
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1
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71
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September 15, 2025
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PC requirements?
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5
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112
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September 15, 2025
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QA403 ADC FFT performance with external analog 1kHz
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9
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175
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September 15, 2025
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Considering a Purchase, Have Newbie Questions
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2
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139
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September 13, 2025
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QA-403 Distortion Tile
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1
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75
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September 11, 2025
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QA-403 power readings off by 6db
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26
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383
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September 9, 2025
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Measure power amplifier at the output?
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11
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358
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September 6, 2025
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Question about measurement results of "Getting Started"
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3
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112
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September 2, 2025
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Menu cropped and offline graph tool accessibility
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1
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51
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September 1, 2025
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Differential cables
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44
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1788
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August 29, 2025
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PyQa40x: PyQa40x_freq_response_with_mask.py
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0
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54
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August 29, 2025
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Making the REST API visible to other computers on the network
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5
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89
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August 28, 2025
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THD vs Harmonics vs Total distortion
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5
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171
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August 27, 2025
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I2S bug QA403 after triggering PUT /Settings/Default
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3
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120
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August 25, 2025
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QA401 Right Channel Noise Problem?
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21
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1074
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August 22, 2025
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Acoustics Measurement Features
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9
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380
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August 16, 2025
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BUG: sample rate and input scale
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3
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137
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August 14, 2025
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Crosstalk Problem?
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11
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203
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August 14, 2025
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