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Rolls PARAMETRIC EQUALIZER, 4 BAND => Model RPQ160 Home Equalizer

1. 5 Ha SODAN AHN from 500 Hz down to 16Hz for the entire output of the RPQ160 a dey eee a 3 HIGH SHELF Low Pass Filter control adjusts the amount of high frequency rolloff ae oT ii il BAG from 1 kHz up to 20 kHz for the entire output of the RPQ160 ee E esl a E me NOTE THERE IS NO BYPASS SWITCH FOR THE LOW OR HIGH SHELF TA Te IESE FILTERS SIMPLY TURN THE LOW SHELF COMPLETELY COUNTERCLOCK Es by ENE sel LES 1g WISE AND THE HIGH SHELF COMPLETELY CLOCKWISE TO BYPASS THESE fo j ut Tait ty CIRCUITS ma ai eS LEVEL Adjusts the overall signal level of the RPQ160 2V 10K 5 zi 10K MCI 406 4024 E1 gt E2 NOTE The following three descriptions are identical for all four bands of equaliza tion FREQUENCY Selects the frequency to be boost or cut The band frequency g 6 k FACTORY SELECT Eim 3 Do od E ranges are listed below 2 i Band 1 70 Hz to 1 5 kHz Band 2 150 Hz to 3 kHz Band 3 300 Hz to 10 kHz Kt 7 Band 4 600 Hz to 20 kHz WIDTH Q Varies the shape or width of the equalization being boost or cut from P100K i arias i 3 to 3 octaves wide vl E selg LEVEL Boosts or cuts the signal of the indicated band from 15 to 15 dB 3 El gee EJE Power Switch Applies power to the RP
2. 640 12k 16k 20k Frequency Hz LOW SHELF SWEEP DIAGRAM The High Shelf Sweep Diagram shows the response curve of the High Self filter at its minimum and maximum setting 20 40 80 160 320 640 12k 20k 40k Frequency Hz HIGH SHELF SWEEP DIAGRAM Please note that when the Low Shelf is set fully counterclockwise 16 Hz the filter is essentially bypassed Similarly when the High Self control is set fully clockwise 30 kHz that filter is essentially bypassed The Level control has a detente at the center 0 dB position if the Clip LED is lighting the Level control may be turned counterclockwise to reduce the gain of the RPQ160 thereby reducing the clipping If a weak signal is present the Level control may be tgurned up clockwise to increase the gain To achieve the maximum signal to noise ratio the Level should be set 3 dB below the clipping level This is done by adjusting the Level control with a normal signal present until the Clip LED lights then turning the Levl down to just below the point when the LED goes out OPERATION Cont Shown below is the typical symmetrical response curve of a swept parametric band filter with the Frequency control set at 1 kHz the Level set at 15 and 15 dB and the Octave control set at 3 5 1 and 3 These curves remain consistent over the frequency spectrum they simply shift to whatever frequency setting is indicated by the Frequency control The shape is most narrow when the
3. LIMITED WARRANTY This product is warranted to the original consumer purchaser to be free from defects in materials and workmanship under normal installation use and service for a period of one 1 year from the date of purchase as shown on the purchaser s receipt The obligation of Rolls Corporation under this warranty shall be limited to repair or replacement at our option during the warranty period of any part which proves defective in material or workmanship under normal installation use and service provided the product is returned to Rolls Corporation TRANSPORTATION CHARGES PRE PAID Products returned to us or to an authorized Service Center must be accompanied by a copy of the purchase receipt In the absence of such purchase receipt the warranty period shall be one 1 year from the date of manufacture This warranty shall be invalid if the product is damaged as a result of deface ment misuse abuse neglect accident destruction or alteration of the serial number improper electrical voltages or currents repair alteration or maintenance by any person or party other than our own service facility or an authorized Service Center or any use violative of instructions furnished by us This one year warranty is in lieu of all expressed warranties obligations or liabilities ANY IMPLIED WARRANTIES OBLIGATIONS OR LIABILITIES INCLUDING BUT NOT LIMITED TO THE IMPLIED WARRANTIES OF MER CHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
4. OCT control is set at 3 and is widest at the 3 setting Amplitude 5 dB division 6k 10k 20k 20 59 100 200 600 Ik 2k Frequency Hz APPLICATIONS The RPQ160 s precise equalization has many applications including school or church gymnasiums home or professional recording studios live sound or musical instruments When coupled with a spectrum analyzer the RPQ160 can match exactly the properties of typical acoustic resonances and reflections and make immediate improvements to any installed system s amplitude and phase response Live applications include equalizing trouble spots where a mix may be muddy too harsh flat and even eliminate feedback precisely without affecting the flavor of the overall sound Recording studios benefit from the RPQ160 s precise equalization in notching trouble frequencies that remove from a performances musicality or by sweetening up a final mix
5. Q160 when the unit is connected to a a properly grounded ac outlet The Power LED will light when the RPQ160 is on k REAR PANEL OUTPUT Balanced XLR and unbalanced 1 4 and RCA jacks for connection to a mixing board power amplifier or recording device INPUT Balanced XLR and unbalanced 1 4 and RCA jacks for connection to the output of a mixing board instrument or other device with the signal to be pro cessed a CONNECTION Turn off all equipment before making any connections Mount the RPQ160 in a properly grounded rack and make sure the rack is properly ventilated Ambient temperatures should not exceed 113 degrees F 45 degrees C when the equip ment is in use Connect your RPQ160 using XLR RCA or 1 4 connectors Connect the AC power cord to a properly grounded AC outlet Route the AC 5 power cord away from audio lines 2 P100KC I 15 x I 15 c17 a c13 AT PHONE 1 4 il J2A m OPERATION The two shelving filters are designed to roll off the frequency response of the signal the Low Shelf cuts the frequencies 3 dB at the control s indicated setting and rolls off below and the High Shelf cuts the frequencies 3 dB at the indicated setting and rolls of above The Low Shelf Sweep Diagram shows the response curve of the Low Self filter at its minimum and maximum setting 20 40 80 160 320
6. SHALL BE LIMITED IN DURATION TO THE ONE YEAR DURATION OF THIS WRITTEN LIMITED WARRANTY Some states do not allow limitations on how long an implied warranty lasts so the above limitation may not apply to you IN NO EVENT SHALL WE BE LIABLE FOR ANY SPECIAL INCIDENTAL OR CONSEQUENTIAL DAMAGES FOR BREACH OF THIS OR ANY OTHER WARRANTY EXPRESSED OR IMPLIED WHATSOEVER Some states do not allow the exclusion or limitation of special incidental or consequential damages so the above limitation or exclusion may not apply to you This warranty gives you specific legal rights and you may also have other rights which vary from state to state I I ROLLS I a ROLLS CORPORATION SALT LAKE CITY UTAH 7100 L I ROLLS RPQ160 Parametric Equalizer x LOW SHELF HIGH SHELF LEVEL FREQ WIDTH LEVEL FREQ WIDTH 50 100 4 6 0 400 800 30 200 2 10 200 600 N 300 1 1k N 7 N e 15 1 E 1 ROLLS I NY 0 400 e x 16 Hz 500 1 KHz 30 12 dB 12 CLIP 70 Hz 1 5k i Boer 15 ACTIVE FREQ FREQ WIDTH WIDTH LEVEL 0 x 6k PARAMETRIC 400 Tk Ni 900 12k Vay Jik 3 EQUALIZER 3 3 3 3 PWR dB 15 ocT 15 dB 15 600 Hz 20k oct RPQ160 x OWNERS MANUAL 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 des
7. igned for years of reliable use Please read this manual carefully to get the best results from your RPQ160 WARNING CAUTION DO NOT OPEN ATTENTION CAUTION To REDUCE THE RISK OF ELECTRIC SHOCK DO NOT INOT REMOVE BACK NO USER SERVICABLE PARTS INSIDE REFER SERVONA TO RISQUE DE CHOG NE PAS ENLEVER The symbols shown above are internationally accepted symbols that warn of potential hazards with electrical products The lightning flash with arrowpoint in an equilateral triangle means that there are dangerous voltages present within the unit The exclamation point in an equilateral triangle indicates that it is necessary for the user to refer to the owners manual These symbols warn that there are no user serviceable parts inside the unit Do not attempt to service the unit yourself Refer all servicing to qualified personnel Opening the chassis for any reason will void the manufacturer s warranty Do not get the unit wet If liquid is spilled on the unit shut it off immediately and take it to a dealer for service Disconnect the unit during storms to prevent damage 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 2 Please complete the Warranty Registration Card and return it to the factory TABLE OF CONTENTS Intr
8. oduction Warnings Inspection Table of Contents Description Front Panel Rear Panel Connection Operation Applications Schematic Specifications 6 Warranty Back Cover oB WN ND PP 1 A SPECIFICATIONS CONTROLS MAIN SECTION Master Level Low Shelf High Shelf Active Switch 12 to 12 dB 16 to 500 Hz High pass filter 1 to 30 kHz Low pass filter Activates bypasses equalization circuitry CONTROLS FREQUENCY SECTIONS Frequency Controls Width Level Frequency Response THD S N Ratio Max Input Max Output Input Impedance Output Impedance Shelving Slope Size Weight 70Hz to 1 5khz 150Hz to 3kHz 300Hz to 10kHz 600Hz to 20kHz 3 to 3 Octaves each band 15 to 15 dB each band 16 Hz to 30 kHz 3 dB lt 03 gt 90 dB 22 dB 22 dB 10KQ 20K balanced 50Q 12 dB Octave 19 x 6 x 1 75 48 3 x 15 2 x 4 5 cm 5 Ibs 2 kg SCHEMATIC DESCRIPTION FRONT PANEL LOWSHELF HIGHSHELF LEVEL XLRJACKM Rev A Sheet 1 of 1 gy g is x bi 8 D raw oo jae Bue ge Seer 1 600 iz 20k RPQ160 ACTIVE J5 FREA wow LEVEL LOW SHELF High Pass Filter control aduse the amount of low RT rolloff ycument Number RPQ160SCH a gt 3 PHONE 1 4 A E L RCA X2 J2B 2 P POWER Dt LDsG ROLLS CORPORATION 5968 South 350 West Salt Lake City UT 84107

Rolls PARAMETRIC EQUALIZER, 4 BAND => Model RPQ160 Home Equalizer

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Rolls PARAMETRIC EQUALIZER, 4 BAND =&gt; Model RPQ160 Home Equalizer

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Rolls PARAMETRIC EQUALIZER, 4 BAND => Model RPQ160 Home Equalizer