|
About the QA40x category
|
|
1
|
725
|
August 9, 2023
|
|
Time domain amplitudes
|
|
8
|
150
|
September 30, 2026
|
|
Rasberry pi 4b compatible?
|
|
4
|
110
|
September 28, 2026
|
|
QA404 and QA403 Update
|
|
66
|
8354
|
September 23, 2026
|
|
macOS ampMeasure public beta
|
|
8
|
215
|
September 17, 2026
|
|
Pink Noise User Weighting
|
|
13
|
181
|
September 15, 2026
|
|
ampMeasure 1.0 is now on the Mac App Store 🎉
|
|
0
|
97
|
September 15, 2026
|
|
Driving DAC to be measured to full output
|
|
3
|
112
|
September 15, 2026
|
|
More precision in exported CSV files?
|
|
1
|
114
|
August 18, 2026
|
|
Phonalyzer for QA40x
|
|
17
|
581
|
August 16, 2026
|
|
Turntable cable test: cheap vs hifi
|
|
3
|
178
|
August 14, 2026
|
|
QA402/403 I2S expansion specifications
|
|
8
|
959
|
July 25, 2026
|
|
Revox B77 recording calibration
|
|
6
|
297
|
July 18, 2026
|
|
Continous measurements via REST API
|
|
0
|
113
|
July 16, 2026
|
|
QA403 Input and Output Impedance
|
|
1
|
178
|
July 14, 2026
|
|
Interesting Problem (?) with PWR THD vs FREQ Automated Test
|
|
8
|
190
|
July 13, 2026
|
|
QA401 noise floor
|
|
6
|
190
|
July 7, 2026
|
|
Testing amps upto 300W into 8ohms
|
|
4
|
266
|
June 18, 2026
|
|
QA403 I2S Input / Output
|
|
33
|
1869
|
June 17, 2026
|
|
USB: startech ST4200SUBM: USB 2.0 hub ok?
|
|
7
|
183
|
June 6, 2026
|
|
Multiple QA403 devices
|
|
6
|
253
|
June 5, 2026
|
|
First impressions
|
|
2
|
191
|
May 27, 2026
|
|
Capture long audio input signal (above 22s~)
|
|
3
|
140
|
May 27, 2026
|
|
QA403 availability in Eleshop
|
|
3
|
329
|
May 20, 2026
|
|
"Ringing" in Freq response using Triggered Response/Expochirp with Streamer
|
|
8
|
228
|
May 19, 2026
|
|
QA403 output on my oscilloscope
|
|
5
|
358
|
May 10, 2026
|
|
QA403 ADC overflow
|
|
4
|
217
|
April 27, 2026
|
|
6dB gain with Differential Cables
|
|
4
|
586
|
April 13, 2026
|
|
I don't understand this 6 dB gain
|
|
3
|
396
|
April 13, 2026
|
|
QA403 - 1000W audio amp-speaker test issue
|
|
5
|
241
|
April 11, 2026
|