Analog four Filtering guitar

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A4 overdrive, max all levels, amp vol…
Passive guitar straight in…

Analog 4 as fx processor

Test with 8 strings guitar straight in A4 ! Only guitar + A4 as an fx. Osc 1 = Input L, Osc 2 = Ground (no osc). Set AM1 on, so Osc 2 can modulate Input L (as a square wave ring modulator). AM1 (Osc1 AM) engages Amplitude Modulation on Oscillator 1, which means that its signal is switched on/off (multiplied) by the pulse wave of Oscillator 2. This introduces new harmonics with frequencies being the sum and difference frequencies of the harmonics of the two oscillators. The result is relat…