Grundig DEM Modifictions 176.4 vs 705.6 Khz

Philips SAA7220p/b + TDA1541A s1

192 kHz Sampling, bandpass 96 khz ,  FFT 1M , avarages 8* power , FFT Window “AP-Equiripple”

@ChromemaxiaII , dank voor de animated GIF 😉