Power Acoustik PWM-19 User's Manual
Contents
1. 7 Subwoofer frequencies adjustable 30Hz 250Hz 8 Input selector for Radio or CD 9 Universai half DIN chassis for ease of installation 10 Gold plated RCA input output connectors 11 20dB headroom eliminates singal overioad FRONT PANEL CONTROLS INPUT SELECTOR SWITCH SUBWOOFER FREQUENCIES This switch selects the radio 30Hz 250Hz adjustable or CD input FADER CONTROL This controls adjusts the volume between the front and rear speakers ina 4 speaker system FADER co O VOLUME SUB LOW Hi 1200 X OVER SUB VOL O f i 300 a 260 Hz Hz ER ILLUMINATION SELECT SWITCH This switch aelecis the illumination fh creen PARAMETRIC EQUALIZER CONTROLS Control the frequency reponse of the booster or cut with the 4 tone control seach sub low mid high SUBWOOFER OUTPUT VOLUME This control adjusts output level of subwoofer RCA jack alik AMBER VOLUME CONTROL This control adjusts the output level CD RADIO INPUT GAIN CONTROL Con THE CD RADIO L R CHANNEL ETT INPUT CAN BE ADJUSTED FROM THE TOP COVER N TURN THE KNOB CLOCKWISE TO GAIN THE INPUT LEVEL eee o TURN THE KNOB ANTICLOCKWISE ee oe TO CUT DOWN THE INPUT LEVEL ELECTRICAL INSTALLATION CD CHANGER RADIO CASSETTE INPUT OUTPUT FRONT REAR 0000000000 R i REMOTE BATT ROUND SUBWOOFER FRONT REAR SPEAKER SPEAKER NOTES Set your source volume at2. W A Power cousid PWM 19 PARAMETRIC EQUALIZER WITH SUBWOOFER OUTPUT EQUALIZADOR PARAMETRICO CON SALIDAS PARA SUPER BAJOS OWNER S MANUAL MANUAL DE INSTRUCCIONES ENGLISH SPECIFICATIONS e 4 BAND PARAMETRIC SUB 50Hz LOW 210Hz MID 1KHz HI 20KHz BOOSTIGUT musas 18dB O SIN RATIO ac a 110dB REF 1V INPUT a o FREQUENCY RESPONSE 10Hz 150KHz 1dB C3 e MAXIMUM OUTPUT VOLTAGE 7V RMS THD O THAD i Eon 0 05 e INPUT SENSITIVITY 150mV e HEADROOM cccccece eens 20dB e INPUT IMPEDANCE 10K OHMS e STEREO SEPARATION 82dB 1KHz e OPERATING VOLTAGE 11 15V NEGATIVE GROUND e OUTPUT IMPEDANCE 50K OHMS O SIZE HxWxD lt 2 nie ok das 25m m X 177 m m X 115 m m DUE TO OUR CONTINUING EFFORTS TOWARDS PRODUCT IMPROVEMENT THE ABOVE SPECIFICATIONS ARE SUBJECT TO CHANGE WITHOUT NOTICE INTRO T Congratulation on your purchase of your new preamplifier equalizer Our sonic excellence is considered our most important objective Your selection of this component tells us you desire to achieve the same goal Welcome to the rapi expanding group of disceming audiophiles who rely upon our products This manual has been prepared to help you maximize your enjoyment of the outstanding performance and multiple advanced features of this unit To fully realize the exceptional performance this product is capable of i
3. one half to three quarter up and leave it Always use your volume as a master main volume control it has better electronics higher S N radio and is more linear than any source unit volume available If engine noise is audible try raising the volume on the source unit and or check the ground connection on the unit ey
4. t is necessary that all signal sources amplifiers and speakers are of the highest quality EQUALIZER BACKGROUND There are basically three types of equalizers graphic parametric and a hybrid of these two often referred to as paragraphic Additionally there are passive equalizers which have no gain active gain preamps which have a gain stage usually with a volume control and booster equalizers which we won t consider here since they are inferior passive equalizers with inexpensive iC amplifiers built in As in state of the art home audio systems the optimum system requires a dedicated preamp with enormous gain to drive the various power amplifiers Since home audio amplifiers do not have adjustable sensitivity the require a high output preamplifiers to drive them to maximum levels This unit is the first production preamplifier to incorporate a specif f bandwidth parametric equalizer with shelving control With 18db boost or cut on its four bands it can compensate for the four acoustic anomalies unique to the automotive environment This unit easily becomes the Mission Control Center of any high end automotive sound system 1 FEATURES 1 Volume control with up to 7 volts RMS of output 2 Four band parametric equalizer with 18db boost Cut 3 Specific bandwidth for each band 4 Low noise BI FET op amp design yields minimum distortion 5 On board 30V bi polar switching power supply 6 Subwoofer outputs and level controls
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