Continuity Tester Spectral Probing (opens in new tab)

Testing the loudness of a new version of the BM2257 multimeter firmware using the CRY2851 Class 1 sound level meter\. PART 2: COUPON CODE: LOUD for 10% off the BM2257 Hardware Store: 00:00 - BM2257 Firmware changes 01:58 - Crysound CRY2851 Class 1 Sound Level Analyser 06:26 - Lab baseline dBA measurement 07:39 - dBA vs dBC vs dBZ weighting 08:51 - BM2257 Buzzer measurements 10:06 - Low frequency spectral analysis \(How Low is Dave's voice?\) 11:00 - Designing and building a DIY acoustic te...