Power Acoustik PEQ-80 User's Manual
Contents
1. Equalization Range Input impedance Input Sensitivity Output Level Frequency Response Crossover Rolioff Power Requirements Accessories included Dimensions WxHxD 12dB nominal at each center frequency High Level 100 ohms Accepts balanced or unbalanced Low Level 72K ohms High Lever 4 volts in for 500 out nominal Low Level 500mV for 500 out All slides set to center 20Hz to 20KHz Slides at center 120B octave 11 76 DC negative ground 200mA nominal Mounting brackets for optional under dash mounting trimplate 7 1 5 1 2 178 25 5 141 Due to out continuing efforts towards product improvement the above specifications are subject to change without notice2. terminal that powers your radio The Violet wire is used to tum the 80 On it should be connected the in dash radio s Power Antenna Output Lead The final step in the electrical installation is to connect the amp Right Output signals from your radio to the PEQ 80 Inputs in one of two ways depending on how your radio is equip ped if it has Phono style Line Outputs then they are connected to the matching Line In puts using a purchased cable pair as discussed above and shown in the figure INSTALLATION 7 Most speaker systems require rather heavy boost at the lowest frequencies due to the fargo amount of air that must be moved However speaker woofer cones resonate between 45 60Hz where output is higher so do not boost too much at 60Hz Use heavy boost at 150Hz less boost at 400Hz 2 Due to sound wave reflection between the front and rear windshields typical vehi cle there may be heavy foss between 700Hz to 1 3KHz so moderate boost here is very effective and will create more presence for vocalists 3 The mid range from 3 to 6KHz should not require much change from flat center speakers work well here Adjust per your taste 4 Due to limitations in human hearings sound above 8KHz is not heard very well Moderate boost at 2 adds a crisp character when percussion instruments are present SPECIFICATIONS Center Frequencies 60 150 400 3K 6K 15KHz
3. Power Acs MODEL PEQ 80 7 BAND PASSIVE GRAPHIC EQUALIZER OWNERS MANUAL INTRODUCTION The Power Acoustik Model 80 is intended for those who value the acoustic benefits of mult band Graphic Equalizer but who also desire higher audio power level capabilities than can be obtained an in dash unit Being a Passive Equailzer it doesn t it contain power ampifiers to drive speakers directly Instead it provides 2 pairs of Stereo signal outputs and the seven center frequencies are concentrated in the critical 60Hz to 15KHz region where compensation is most needed FEATURES AND OPERATING CONTROLS 1 FADER Allows front to rear balancing in four speaker systems for best directional imaging 2 EQ Press in to engage the equalizer circuitry Press it outer position the result is the same as setting all slide controls to center position It is useful in judging the result of your EQ Settings 3 OUTPUT LEVEL DISPLAY A dual three color LED Display shows the instantaneous peak level for the Left and Right channels adding yet another dimension to your visual enjoyment EQ SLIDE CONTROLS Each slide controls the amount of boost or cut in one small part of the total audio frequency range With all slides in the center position the overall frequency response is flat By moving any slide up or down the output within the band is increased or decreased by up fo 12 db INSTALLATION 12 VOLTS Right Ora
4. nge Front m Remote Amp Left Yellow Common Orange Black 80 Rear Remote Yellow Black anm Amp Black Vehicle Source Ground Ground 12 VOUS ORANGE DRANGE BLACK YELLOW YELLOW BLACK Source Gnd OUTPUTS Phono Cable With Plugs The PEQ 80 is designed for in dash installa tion directly above or below a standard DIN 5 ed radioftape player Installation Kits or the purpose are available from variety of sup pliers Consult with professional Autosound installer for assistance Each wire is individually labeled to reduce any chance of error Phono cable pairs with plugs on both ends are required to connect the PEQ 80 outputs to the remote amplifiers and also for the phono inputs if used These be purchased from a local audio dealer in the correct lengths for your particular installation The Black wire labeled Power Ground is con nected directly to the vehicle chassis cond Brown wire labeled Source Ground is connected to the chassis of the in dash radio This dual ground system is helpful in reducing common sources of noise generated by your vehicle The Red wire with inline fuse is the main power input fo the PEQ 80 It should be nected to a source of Switched 12 volts Cut off by the Ignition switch This is normally the same
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