SPL PASSEQ Passive Mastering Equalizer for Pro Audio Applications (All Black) - Manual (Page 15)

11
Control Elements
1
2
3 4
5
6
7
8
9
11
12
14
15
16
17
13
10
Auto Byp.
-10
-9.
5
-
8.
5
-6
.7
-5
.2
-4
.2
-3
.2
-2
.3
-
1.5
-0
.5 0 1.0 1.6
2
.5
3
.5
4
.5
5.5
6
.7
8
.0
9
.5
10
30
42
6
0
7
5
95
110 140 18
0
27
0
3
20
400
6
00
0
0
.5
3
7
12
15 17
19
20
21
2
2
0
0
.3
0
.7
1
.5
2.5
3.5 5.3
7.3
8
.7
1
0.6
11
.5 0
0
.2
1
3
4.
5 6 7
8
9
9.5
1
0
200
25
0
36
0
5
00
8
00
1k 1k5 2
k
2
k5
3k
5
4
k3
6k
1 0
15
18
2
6
4
0
5
4 80 1
20
1
80
24
0
38
0 5
50
220
32
0
4
60
7
20
1
k3
1k8 2k3 2
k8
3
k3
4
k
4
k5
4k 8
580
78
0
1k
2
1
k8
2
k5
3k9 5k2 7
k8
1
1k
14
k
18
k 2
2k 5k
6
k
7
k
8
k6
1
0k
12k 14k 1
6k
1
8k
20
k
25
k 3
5k
0
0
.3
1
.7
3
.7
6
.4
9 11
1
3
15
.6
1
6.5
17
0
0
.2
0
.3
0
.6
1.1
1.7 2.6
3.8
5
.7
9.2
12
.5 0
0
.2
0
.5
1
1.
7 2.6 3.8
5.3
7.7
11
1
4.5
1.0
0
.9
0.
8
0.
7
0.6
0.45 0.35
0.2
5
0
.17
0
.12
0
.1
Interval
dB
dB
dB
dB dB
dB
dB
Hz Hz
Hz
Hz Hz
Hz
passive
mastering
equalizer
PASSEQ
Sound Performance Lab Model 1650
A Wolf
Neumann
Design
Q HF - HF +
MF - MF +
LF - LF + Output
120V DC Audio Rail
17
-10
-9.
5
-
8.
5
-6
.7
-5
.2
-4
.2
-3
.2
-2
.3
-
1.5
-0
.5 0 1.0 1.6
2
.5
3
.5
4
.5
5.5
6
.7
8
.0
9
.5
10
30
42
6
0
7
5
95
110 140 18
0
27
0
3
20
400
6
00
0
0
.5
3
7
12
15 17
19
20
21
2
2
0
0
.3
0
.7
1
.5
2.5
3.5 5.3
7.3
8
.7
1
0.6
11
.5 0
0
.2
1
3
4.
5 6 7
8
9
9.5
1
0
200
25
0
36
0
5
00
8
00
1k 1k5 2
k
2
k5
3k
5
4
k3
6k
1 0
15
18
2
6
4
0
5
4 80 1
20
1
80
24
0
38
0 5
50
220
32
0
4
60
7
20
1
k3
1k8 2k3 2
k8
3
k3
4
k
4
k5
4k 8
580
78
0
1k
2
1
k8
2
k5
3k9 5k2 7
k8
1
1k
14
k
18
k 2
2k 5k
6
k
7
k
8
k6
1
0k
12k 14k 1
6k
1
8k
20
k
25
k 3
5k
0
0
.3
1
.7
3
.7
6
.4
9 11
1
3
15
.6
1
6.5
17
0
0
.2
0
.3
0
.6
1.1
1.7 2.6
3.8
5
.7
9.2
12
.5 0
0
.2
0
.5
1
1.
7 2.6 3.8
5.3
7.7
11
1
4.5
1.0
0
.9
0.
8
0.
7
0.6
0.45 0.35
0.2
5
0
.17
0
.12
0
.1
dB
dB
dB
dB dB
dB
dB
Hz Hz
Hz
Hz Hz
Hz
Q HF - HF +
MF - MF +
LF - LF + Output
1 HF- Frequency
2 HF- Gain
3 MF- Frequency
4 MF- Gain
5 LF- Frequency
6 LF- Gain
7 HF+ Frequency
8 HF+ Gain
9 HF+ Q
10 MF+ Frequency
11 MF+ Gain
12 LF+ Frequency
13 LF+ Gain
14 Output
15 Power LED
16 Auto Bypass
17 Channel Switch