McIntosh MA230

LOUDNESS CONTROL
FREQUENCY
EQUALIZATION CURVES
25
20
15
10
5
0
-5
-10
-15
-20
-25
20 100 1KC 10 KC 20 KC
FREQUENCY
19
20
15
10
5
0
-5
-10
-15
-20
RESPONSE IN DB
RESPONSE IN DB
20KC 10KC1KC
10020