Rolls REQ131 - Manual

EQUALIZERS
Rolls equalizers are designed for modern sound reinforcement and recording applications. Smooth band-pass
filtering and transparent low-noise circuitry provide virtually distortion free operation.
REQ131 Mono 31-Band Graphic Equalizer
0
+12
LEVEL
16
20
30
50 100
HPF LPF
500
400
1
200
HZ KHZ
1.5
4
2
6
10
30 -12
EQ
BYPASS
PWR
20 25 31.5 40 50 63 80 100 125 160 200 250 315 400 500 630 800 1K 1.2K 1.6K 2K 2.5K 3.1K 4K 5K 6.3K 8K 10K 12.5K 16K 20K
+12
-12
+17
+10
0
-7
-13
REQ215 Dual 15-Band Graphic Equalizer
20
Hz
kHz
10 150
3.5
6
30
+17
+10
0
-7
-13
LVL
PWR
20 40 63 100 160 250 400 630 1K 1.6K 2.5K 4K 6.3K 10K 16K
+12
-12
+17
+10
0
-7
-13
IN/OUT
+12
-12
LVL
IN/OUT
CHANNEL 1 CHANNEL 2
20
Hz
kHz
10 150
3.5
6
30
0 0
20 40 63 100 160 250 400 630 1K 1.6K 2.5K 4K 6.3K 10K 16K
FEATURES
• Standard ISO Frequency Centers
• Adjustable Hi/Low Shelving Filters
• XLR, 1/4" and RCA Inputs and Outputs
SPECIFICATIONS
Frequency Response: 16 Hz to 30 kHz +/-3 dB
THD: <.03%
S/N Ratio: >90 dB
Max Input: +21 dB (REQ131)
+17 dB (REQ215)
Max Output: +21 dB (REQ131)
+17 dB (REQ215)
Input Impedance: 10K Ω (20K balanced)
Output Impedance: 50 Ω
LED Levels: +17, +10, 0, -7, and -13 dB
Frequency Centers: 31 ISO standard 1/3 octave +/-3% (REQ131)
15 ISO standard 2/3 octave +/-5% (REQ215)
Shelving Slope: 12 dB / Octave (REQ131)
6 dB / Octave (REQ215)
Size: 19" x 6" x 1.75"
(48.3 x 15.2 x 4.5 cm)
Weight: 5 lbs. (2 kg)
5143 South Main Street, Salt Lake City, UT, 84107
(801) 263-9053 FAX (801) 263-9068
[email protected] ï www.rolls.com