Rolls REQ313 User Manual
REQ313 GR APHIC EQUALIZER
CORPORATION
MODEL REQ313
WARNING:
DO NOT EXPOSE THIS EQUIPMENT TO RAIN OR MOISTURE.
TO REDUCE THE RISK OF ELECTRIC SHOCK DO NOT REMOVE BACK.
NO USER SERVICABLE PARTS INSIDE. REFER SERVICING TO
QUALIFIED SERVICE PERSONNEL.
RISQUE DE CHOC - NE PAS ENLEVER
The ROLLS REQ313 graphic equalizer is intended f or room equalizing or sound shaping and the appro ximate frequency response curve can be seen graphically by the settings of the frequency controls. Recording and broadcasting
studios, sound contractors and musicians will appreciate the low noise , straightf orward design, and v ersatile signal
control of the REQ series.
The equalization filters in the REQ313 are constant bandwidth
(constant Q). The bandwidth of each individual filter is narrow
31 BAND
GRAPHIC
EQUALIZER
CONSTANT Q
CORPORATION
MODEL REQ313
CAUTION
DO NOT OPEN
RISK OF ELECTRIC SHOCK
enough to prev ent unwarranted inter action between filters, y et
wide enough to produce exactly the type of correction curve
demanded by ev en the most unusual acoustic surroundings.
FEATURES
• 31 Bands of constant Q equalization
• XLR and 1/4” input and output
REQ313
• Low cut and High cut filters
• Passiv e b ypass
• 1 Year W arr anty
SPECIFICATIONS
Equalizer
Bands: 31
Frequency Response: 20Hz - 20kHz
Accuracy: 5% Center Frequency
Range: +6dB or +12 dB (Switch selectable)
Inputs
T ype: Active Balanced/Unbalanced
Connectors: XLR, 1/4” TRS
Impedance: 12k Ohms
Maximum Level +22 dB (Balanced),
+15dB (Unbalanced)
Outputs
T ype: Electronically Balanced
Connectors: XLR, 1/4” TRS
Impedance: 600 Ohms
Maximum Level: +22 dB (Balanced),
DO NOT EXPOSE THIS EQUIPMENT TO RAIN OR MOISTURE.
+15dB (Unbalanced)
RFI Filters: Yes
WARNING:
TO REDUCE THE RISK OF ELECTRIC SHOCK DO NOT REMOVE BACK.
NO USER SERVICABLE PARTS INSIDE. REFER SERVICING TO
QUALIFIED SERVICE PERSONNEL.
RISQUE DE CHOC - NE PAS ENLEVER
Passive Bypass Switches: Y es
Overload LED Threshold: 3dB below clipping
Low Cut Filter: 10 - 250Hz, 12dB/Oct.
Frequency Response: 20Hz - 20kHz, +0.5dB
THD + Noise: 0.01% (20Hz - 40kHz)
S/N Ratio: 110dB below Max level (A weighted)
Equivalent Input Noise: -95dB (20kHz noise bandwidth)
Dimensions: 3.5”H x 19”W x 8.5”D
ROLLS CORP.
5968 South 350 West
Salt Lake City, UT 84107
(801) 263-9053 • (801) 263-9068
www.rolls.com
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