Peavey Quadra 15 Specifications page 3

Harmonic Distortion : 10% Rated Power
130
120
110
100
90
80
70
60
50
20 50 100 200
2nd Harmonic
3rd Harmonic
Harmonic Distortion : 1% Rated Power
130
120
110
100
90
80
70
60
50
20 50 100 200
2nd Harmonic
3rd Harmonic
500 1k 2k 5k
Frequency (Hz)
500 1k 2k 5k
Frequency (Hz)
10k 20k
10k 20k