Testing Dynaco Stereo 70 Amplifier on Rohde & Schwarz UPL Audio Analyzer - Part 2
Please watch part 1 if you haven't already. In this video we run some comprehensive performance tests of the ST-70 on my Rohde & Schwarz UPL Audio Analyzer. 01:06 - Max power & THD+N @ max rated input sensitivity 01:34 - Finding the signal voltage needed to produce 1 Watt 02:05 - Frequency Response Tests 05:42 - SNR 07:06 - THD vs Frequency @ 1 watt, max power & 1db down from 35w 11:30 - IMD, likely user error 12:57 - Harmonic content 14:56 - What's next
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