Benchmark PRE420, Инструкция по эксплуатации

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PRE420 Instruction Manual – rev. E Page 18
High-Pass Filter - Frequency Response
Audio Precision 02/19/07 11:33:00 PRE420 - Frequency Response
Color Sweep Trace Line Style Thick Data Axis Comment
2 1 Red Solid 4 Anlr.Level A Left HP Filter On
-3
+3
-2.8
-2.6
-2.4
-2.2
-2
-1.8
-1.6
-1.4
-1.2
-1
-0.8
-0.6
-0.4
-0.2
+0
+0.2
+0.4
+0.6
+0.8
+1
+1.2
+1.4
+1.6
+1.8
+2
+2.2
+2.4
+2.6
+2.8
d
B
r
A
10 200k 20 50 100 200 500 1k 2k 5k 10k 20k 50k 100k
Hz
The above graph shows the response of the 40 Hz high-pass filter. Response is -3 dB at 40 Hz with
a slope of 12 dB/octave.