Alpine CDA-7977 vs Panasonic VP-7704P Distortion Meter
Ever wondered how much distortion your head unit puts out? Well, me too! We just got in this really cool RMS Volt meter and Distortion Meter from Panasonic, the VP-7704P. I'm unsure of the exact manufacturer date of this unit, but estimate it's from the late 80's to early 90's (it's Old School also!). Watch me take my Alpine CDA-7977 CD tuner and test the voltage and distortion output at 1kHz...you might be amazed, I know I was!
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