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Table of Contents
Summary of Contents for Precision Power Maxx Bass
- Page 1 MaxxBass ®...
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Page 2: Table Of Contents
TABLE OF CONTENTS Congratulations ........2 Service . -
Page 3: Congratulations
CONGRATULATIONS Thank you for choosing PrecisionPower audio equipment. At PrecisionPower we proudly design, engineer and manufacture audio products for aftermarket car audio. Our award winning engineering team utilizes innovative technology to consistently deliver Absolutely State of the Art performance, sound quality, reliability, and value. -
Page 4: Why Use Maxxbass
WHY USE MAXXBASS PrecisionPower will introduce the first MaxxBass ® processor to the automotive market. The MaxxBass ® processor is ideal for improving the perceived bass response in door mounted speakers without upgrading the speakers or amplifiers. MaxxBass ® provides subwoofer like performance with perceived bass response to 30-40Hz on door mounted speakers. -
Page 5: What Is Maxxbass
MaxxBass uses psychoacoustics to extend the perceived bass frequency response. It is proven to provide up to 1.5 octaves of increased bass range. It does not change the frequency balance of the music and sounds more natural than large bass boosts. It does not require more amplifier power and speaker excursion. -
Page 6: How Does Maxxbass Work
HOW DOES MAXXBASS WORK MaxxBass ® uses advanced digital signal processing based on the proven psychoacoustic Phenomenon of the Missing Fundamental. A basic description and a MaxxBass ® Signal Flow diagram are provided for interested users. MaxxBass first implements a crossover at the MaxxBass ®... -
Page 7: Maxxbass Signal Flow
MAXXBASS SIGNAL FLOW Cross- Input Output Over 60/80 Hz LPF + Input Signal Example Harmonics ® MAXXBASS 60/80 Hz Harmonics Processed Signal Example FEATURES Selectable MaxxBass ® Frequency Setting of 60Hz and 80Hz Green LED clip/Red LED power indicator signal Gold 2 Channel in/2 channel buffered full-range out RCA connectors 4-pin locking power plug... -
Page 8: Specifications
SPECIFICATIONS Frequency 20hz-20kHz Signal-to-Noise Ratio >85dB Separation 65dB @ 1kHz Crossover Slope 24dB/octave Input Impedance 20,000 Ohms Input Sensitivity variable, 300mV to 3V peak to peak Output Level variable, 300mV to 5V peak to peak Supply Voltage 9 to 16 VDC INSTALLATION/MOUNTING NOTE: As an option, before beginning, disconnect the negative (-) terminal of the battery to prevent an... -
Page 9: Outline And Dimensions
MASSBASS OUTLINE AND DIMENSIONS 5. 90 i n ( 15 cm ) 5. 51 i n ( 14 cm ) I N TEN SI TY O U TPU T I N PU T PO W ER CLI P M I N M AX M I N M AX... -
Page 10: Wiring Configurations
WIRING CONFIGURATIONS The MaxxBass ® Processor is recommended in two different configurations. 1. Front Stereo Configuration The figure below illustrates the wiring for a front stereo configuration. One MaxxBass ® Processor is used between the front channel source and front speaker amplifier to increase the bass response only on the front speakers. -
Page 11: Wiring Procedures
2. Dual Stereo Configurations For systems without rear subwoofers, the user may prefer to use two MaxxBass ® Processors, one for the front speakers and one for the rear speakers. The units should be wired between the in-dash CD Receiver and the power amplifiers as shown below. Front speakers In-dash with Virtual... - Page 12 The ground wire should be of the same gauge wire as the power wire. As a rule of thumb, use as short length of wire as possible. Find a location near the MaxxBass ® Processor that is metal ( the floor is ideal) and clean an area about the size of a quarter to bare metal.
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Page 13: Input
INPUT To use Speaker Level Inputs (common ground head units only), connect RCA plugs to the front or rear speaker leads as shown. NOTE: It is important to connect an input signal to both RCA input jacks if a stereo amplifier is used, otherwise the connected channel receives full range and the disconnected channel will receive only the harmonics. -
Page 14: Maxxbass Processor Settings
MAXXBASS PROCESSOR SETTINGS To achieve proper performance it is important to set or tune the settings on the MaxxBass ® Processor to the final system. This section recommends initial settings and the users can then further adjust these for optimal listening. 1. -
Page 15: Troubleshooting
When the Remote INTENSITY control is plugged into the MaxxBass ® Processor, the Remote INTENSITY control become active and the INTENSITY control on the MaxxBass ® Processor is disabled. This allows the user to install a remote control in a location different than the MaxxBass ®... - Page 16 SOUND IN ONE CHANNEL ONLY Reverse left and right RCA outputs for one band (i.e.-subwoofers) SOUND IS NOW IN OPPOSITE CHANNEL SAME CHANNEL Reverse RCA inputs Problem is in the amplifier, Speakers, or associated wiring of the silent channel. SOUND IS NOW IN OPPOSITE CHANNEL SAME CHANNEL Reverse RCAs to head unit...
- Page 17 LIMITED TWO YEAR CONSUMER WARRANTY: Directed Electronics, Inc. promises to the original purchaser, to replace this product should it prove to be defective in workmanship or material under normal use, for a period of two years from the date of purchase by the dealer as indicated by the date code marking of the product PROVIDED the product was installed by an authorized Directed dealer.
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