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Normal Shelf Wide Bandwidth
(slope =about 4 to 5 dB/oct)
Special Shelf Medium Bandwidth
(slope = about 8 to 10 dB/oct)
"Pultec Shelf" Narrow Bandwidth
Bell Cut Narrow Bandwidth
(just for reference)
LOW SHELF CURVES
Just like most EQs, a 100Hz low shelf
doesn't reach "max" until about 10 Hz.
13
FREQUENCY RESPONSE
BANDWIDTH SETTING AT 1 1:00
LOW FREQ SHEL VES (22, 33, 47, 68 are new)
-20
+20
-18
-16
-14
-12
-10
-8
-6
-4
-2
-0
+2
+4
+6
+8
+10
+12
+14
+16
+18
d
B
r
20 50k50 100 200 500 1k 2k 5k 10k 20k
Hz
47Hz
100Hz
68Hz
22Hz
150Hz
33Hz