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About the QA40x category
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1
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645
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August 9, 2023
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Improved Damping Factor measurement
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0
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10
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October 28, 2025
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What to measure that relates to audible differences
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17
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153
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October 24, 2025
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I2S & TDM continuity tests
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3
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51
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October 24, 2025
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Measuring classical tape decks
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10
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109
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October 23, 2025
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QA40x Feature request
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58
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2058
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October 22, 2025
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Has the QA403 output out-of-band residual signals?
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43
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658
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October 20, 2025
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IDLE Feature Request
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2
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59
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October 19, 2025
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QA403 and Tube Amp setup
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10
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158
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October 19, 2025
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QA402/403 I2S expansion specifications
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5
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608
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October 6, 2025
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Calculating Noise Floor from Export Frequency Series
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10
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145
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September 24, 2025
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QA403 additional input protection
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4
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180
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September 22, 2025
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QA403 REST API and attenuator setting
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1
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51
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September 18, 2025
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Amp Dynamics Automated Automated Test Bug?
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4
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66
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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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120
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September 13, 2025
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QA-403 Distortion Tile
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1
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70
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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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370
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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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310
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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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100
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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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43
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September 1, 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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71
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August 28, 2025
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I2S bug QA403 after triggering PUT /Settings/Default
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3
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105
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August 25, 2025
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BUG: sample rate and input scale
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3
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130
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August 14, 2025
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Crosstalk Problem?
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11
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195
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August 14, 2025
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High frequency generator resolution
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6
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154
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August 13, 2025
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Feature request: Frequency Response test & A-weighting
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1
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108
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August 4, 2025
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What's the minimal frequency step of QA403 Generators?
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2
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154
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July 28, 2025
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AMP Frequency response test
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17
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987
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July 28, 2025
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I2S-output not working as expected
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1
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94
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July 28, 2025
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Measuring phase response of a DAC
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5
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312
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July 28, 2025
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