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About the QA401 category
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0
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234
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December 5, 2019
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Measure HV Power Supply Ripple & Noise
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10
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570
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May 23, 2022
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QA401 Trouble reproducing Manual page 50
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3
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67
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April 29, 2022
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How to test a codec (eval board) with QA-401
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4
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72
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April 20, 2022
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Testing DACs with QA401 generated *.wav files
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20
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318
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April 4, 2022
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Anybody selling their QA401/QA402?
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13
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517
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March 29, 2022
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Estimated DUT THD
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5
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103
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March 27, 2022
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RIAA phono stage testing: Headroom / overload
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9
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168
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February 8, 2022
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Wow & flutter tool
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1
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117
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February 4, 2022
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QA401 Right Channel Noise Problem?
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20
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479
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January 31, 2022
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BNC to RCA adapters
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4
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230
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January 31, 2022
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Attenuator for high RMS signal tests
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1
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134
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January 20, 2022
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QA-401 Output signal
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10
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179
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December 29, 2021
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QA-401 Differential voltage specs
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3
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152
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October 14, 2021
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Input level precisions & user weighing file
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2
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152
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October 7, 2021
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Can the QA401 measure FM Tuner distortion?
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20
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531
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August 30, 2021
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Voltage divider for high power measurements
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15
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411
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August 25, 2021
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Cannot reconfigure minidsp HD when using QA401 ASIO drivers
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3
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167
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August 20, 2021
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REST API for Frequency Response White Noise
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0
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117
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August 11, 2021
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Problem measuring notch filter
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14
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257
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June 15, 2021
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-110db noise floor. Is this normal?
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2
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272
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May 27, 2021
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Product Review with QA401
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0
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269
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April 30, 2021
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Problem generating frequency response masks
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11
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378
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April 13, 2021
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Bluetooth Amp Testing
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2
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363
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April 5, 2021
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USB noise measurement
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2
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273
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March 10, 2021
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Export frequency series - wrong FFT size
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3
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200
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February 24, 2021
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QA401 Programming Commands
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6
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213
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February 23, 2021
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Very low distortion measurements
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3
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467
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February 6, 2021
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Test Plugin Suggestions
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2
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292
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February 4, 2021
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Measurement of THD vs THD+N problem
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1
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282
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February 1, 2021
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