Rolls RPQ160b User Manual
d
RPQ160b
Parametric Equilizer
www.rolls.com
Rolls Corporation
Salt Lake City, UT
06/09
LOW SHELF
30
20
MADE IN USA
www.rolls.com
FREQ
VEL
0
300
166
+15
BdBdBdB
WIDTH
800
1.1k
1.8k
3k
150
3.3
HZ
16
ACTIVE
LEVEL
0
-15
+15
OCT
HIGH SHELF
50
4
100
200
2
1.5
400
500
1
HZ
FREQ
2.1k
800
3.3k
400
7k
300
10k
HZ
KHZ
WIDTH
3.3
OCT
LEVEL
0
6
10
30
-12
dB
LEVEL
0
-15
+15
CLIP
+12
2k4k6k
900
600
100
200
FREQ
FREQ
400
600
1.5k
70
HZ
WIDTH
12k
20k
3.3
HZ
900
OCT
WIDTH
3.3
OCT
LEVEL
-15
LEVEL
-15
0
+15
FREQ
0
300
166
+15
dB dB
PARAMETRIC
WIDTH
800
1.1k
1.8k
3k
150
3.3
HZ
OCT
EQUALIZER
RPQ160b
POWER
QUICK START OPERATION GUIDE
-15
LEVEL
0
FREQ
2.1k
800
3.3k
400
7k
300
+15
10k
HZ
INTRODUCTION
Thank you for your purchasing the RPQ160 Parametric Equalizer. The RPQ160
uses T filters for equalization circuits to avoid the complexity and distortion of
state-variable filters. The RPQ160 is a four-band parametric equalizer designed
for years of reliable use. Please read this manual carefully to get the best results
from your RPQ160.
INSPECTION
1. Unpack and inspect the RPQ160 box and package.
If obvious physical damage is noticed, contact the carrier immediately to make a
damage claim. We suggest saving the shipping carton and packing materials for
safely transporting the unit in the future.
SPECIFICATIONS
Ω (20K balanced)
Output Impedance: 50Ω
Shelving Slope: 12 dB / Octave
Size: 19" x 4" x 1.75"
10K
R23
D2
+12V
R20
OVER LOAD
SCHEMATIC
1
Rev:
Vbias
C43
10U
7
J5
XLR JACK M
1 2
J4
PHONE 1/4
3
R25
100K
C10
C9
51
R24
+12V
SW1A
LDRR
123
2K
LDRR
2N3904
D3
Q1
R19
R18
100K
10U
10U
7
4560
8
U4B
6
5
Vbias
10K
R22
+12V
456
R21
4.7K
SW1B
DPDT
DPDT
CR4
1N4148
C6
CR3
1N4148
120PF
R11
Vbias
C5
10K
Vbias
CR1
C2 120PF
3
CR2
1N4148
J3
1N4148
R4
P100KW
P1B
P100KC
LOW SHELF
R5
1K
.27
C3
10K 1%
2
R1
10K 1%
C34
10U
1 2
XLR F PC
J1
PHONE 1/4
2
J2B
RCAX2
3
51
R27
51
R26
1
4560
4
U4A
2
3
R17
10K
1
4560
4
U3A
C8
.001
2
3
R16
3.3K
46
5
C7 .0027
P3B
P100KC
HI SHELF
13
2
P3A
R15
3.3K
P100KC
1
4560
4
U2A
120PF
2
3
10K
R14
R13
100
P6
7
P100K
R12
10K
4560
8
U2B
+12V
10K
6
5
R10
4.7K
Vbias
P2
R9
4.7K
R8
10K
7
46
1
U1A
R2
C35
4560
5
8
U1B
+12V
6
5
R7
2
3.3K
HPF
R6
C4
33K
.1
4560
4
R3
10K 1%
3
Vbias
10K 1%
C1
10U
120PF
1
2
J2A
RCAX2
P1A
CUT/BOOST
P9
P100K
1 3
P100KC
P15
P100K
BAND 3
P12
P100K
Vbias
R28
BAND 1
R30
*
R48
R50
8
+12V
R31
22K
R32
22K
*
10K
4560
8
U3B
+12V
6
5
47U
C36
R108
47K
D1
LDBLU
22K
1N4001
C31
231
J6
120PF
5
FREQ
2
C22
10U
P100K X2
P100K X2
R37
*
R68
DPDT
R56
C20
P10A
70 - 1.5K
C13
10K
R110
C28
D5
1000UF 16V
JAPDC
47K
P10B
.47
47K
503
P100K X2
P100K X2
R57
C32
1N4001
300 - 10K
C21
*
C45503
C44
47UF
R109
47K
C42
BAND 4
R58
503
C41
503
C40
503
+12V
C39
503
7
4560
33K
47K
R66
R65
8
U8B
+12V
6
5
120PF
R61
22K
*
R60 10K
7
4560
8
+12V
6
R41
22K
R42
22K
10K
C24
46
R64
3.3K
5
P13B
P100K X2
C23
650 - 20K * = FACTORY SELECT
FREQ
22K
120PF
R63
3.3K
R62
2
1
C25
.047
13
4560
4
U8A
P13A
P100K X2
2
3
P14
C26
R67
10U
*
P100K
WIDTH
47K
R46
33K
R45
U6B
C16
5
120PF
46
R44
4.7K
5
P7B
150 - 3K
P100K X2
C15
470PF
FREQ
R43
4.7K
2
13
P100K
.27
C17
4
P7A
P100K X2
C18
R47
10U
*
1
4560
U6A
2
3
P8
WIDTH
C33
2200U
2200U
.1
BAND 2
*
R38
R40
R107
47K
+12V
Q2
MPSA06
R111
C27
503
D4
D6
1N4001
123
POWER
SW2A
7
4560
33K
R55
8
U7B
+12V
6
5
R51
22K
46
R54
3.3K
C19
220PF
R53
3.3K
R52
22K
1
13
10K
4560
4
U7A
2
3
P11
P100K
WIDTH
7
R36
47K
33K
4560
R35
U5B
6
5
C12
120PF
46
R34
4.7K
5
P4B
C11
.001
FREQ
R33
4.7K
2
1
13
4560
4
P4A
U5A
2
3
P5
C14
10U
P100K
WIDTH
1
Sheet of
5968 S 350 W
Murray, Utah 84107
RPQ160B.SCH B
ROLLS CORPORATION
2 April 2009
Rb
RPQ160b PARAMETRIC EQUALIZER
Date:
Title
Size: Document Number:
Weight: 4 lbs.
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