PowerBass ACA-250.1 Owner'S Manual Download Page 1

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ACA COMPACT A/B MONO BLOCK AMPLIFIER

Owners Manual

Please read through this manual to familiarize yourself with your new amplifi er. Should your PowerBass

AutoSound mobile amplifi er ever require service, you will need to have the original dated receipt.

ACA-250.1
ACA-450.1

2-OHM STABLE DESIGN
Minimum Impedance Load is 2-Ohms

Summary of Contents for ACA-250.1

Page 1: ...d through this manual to familiarize yourself with your new amplifier Should your PowerBass AutoSound mobile amplifier ever require service you will need to have the original dated receipt ACA 250 1 A...

Page 2: ...ed only to power subwoofers It is important that you closely follow the wiring instructions contained in this Owners Manual so that you get the most from your PowerBass AutoSound Class A B Mono mobile...

Page 3: ...erBass mobile amplifiers requires detailed knowledge of electronics wiring and proper speaker impedance We strongly recommend installation by an authorized PowerBass dealer This Own ers Manual only pr...

Page 4: ...to trim away fabric from hole locations before drilling or cutting When running power cables through sheet metal be sure to use grommets to properly insulate the metal edges from the wire insulation...

Page 5: ...owerBass Dealer NOTE Do not use a drill with driver bit to mount the amplifier Excessive force could cause the plastic mounting feet to crack WARNING Upside down mounting will compromise heat dissipat...

Page 6: ...e use of a low level convertor 3 LINE IN RCA Jacks These RCA style input jacks are for use with source units that have RCA line level outputs A source unit with a minimum output of 250mV is required f...

Page 7: ...n the amplifier chassis are for protecting the amp against over current situation To protect the vehicles electrical system an additional fuse should be used within 18 inches of the battery on the 12V...

Page 8: ...r car audio system must be disconnected until the entire wiring installation is completed Your PowerBass Autosound Mono amp will draw large levels of current so use the largest gauge power ground cabl...

Page 9: ...emember to leave the fuse out or circuit breaker off until all other cable connections are made GND Ground When grounding your amplifier locate a metal area close to the amplifier that is good source...

Page 10: ...source remote output to the wire Go back to the amplifier and cut the wire to length Loosen the screw terminal marked REM on the amplifier FUSE REQUIREMENTS While the panel your PowerBass amplifier in...

Page 11: ...t cables Car environments are notorious for poorly insulated wires This means that hiss engine noise and fan noise can easily be picked up through RCA cables if run incorrectly Make sure that the cabl...

Page 12: ...speaker output of the radio without the need of an external adapter Determine the type of radio you have and make one of the following connections Do not use the High Level inputs if you have already...

Page 13: ...ncy adjustment filters out frequencies that you don t want your subwoofer s to repro duce Using the LPF control adjust the Low Pass Frequency to limit the amount of mid range you want going to your su...

Page 14: ...ll the module within easy reach on or under your dash Fig 9 Control Module with Pre wired Plug Fig 8 Selectable Bass EQ Bass EQ Switch This special feature is designed to provide you more powerful sou...

Page 15: ...n to the subwoofer Be certain to maintain correct polarity throughout the system Make sure the subwoofer connections are positive to positive and negative to negative Most speaker wire has some indica...

Page 16: ...oofer 2 4 OHM Fig 11 Two 4 ohm Subwoofers with Single Voice Coil Speaker Output Configurations 2 OHM STABLE DESIGN Minimum Impedance Load is 2 OHMS 1 A SINGLE VOICE COIL SUBWOOFER SPEAKER 2 TWO SINGLE...

Page 17: ...becomes 8 ohm as shown above Dual 2 ohm becomes 4 ohm as shown above Dual 1 ohm becomes 2 ohm as shown above 2 OHM STABLE DESIGN Minimum Impedance Load is 2 Ohms Maintaining proper impedance is criti...

Page 18: ...s is strictly prohibited without the express consent of PowerBass USA Inc Copyright 2013 PowerBass USA Inc RECOMMENDED WIRE SIZES Power Cable Selection Chart Fuse Total 4Ft 4 7Ft 7 10Ft 10 13Ft 13 16...

Page 19: ...amplifier Voltage protection engaged Voltage to the amp is not within the 10 16 5 VDC operating range Have the battery charging system inspected Short circuit protection is engaged Check for speaker w...

Page 20: ...250Hz S N Ratio EIA Rated 105dB 105dB Input Sensitivity 250mV 6 0 Volts 250mV 6 0 Volts Crossover Slope 18dB 18dB Low Pass Crossover Freq Hz 30 250Hz 30 250Hz Selectable Bass EQ 0 6dB 12dB 0 6dB 12dB...

Page 21: ...quid damage or exposure to excessive heat Attempted repairs or alterations of any nature Product that has not been installed according to this owners manual Any implied warranties including warranties...

Page 22: ...NOTES...

Page 23: ...NOTES...

Page 24: ...PowerBass Autosound A division of PowerBass USA Inc 2133 S Green Privado Ontario CA 91761 Tel 909 923 3868 Fax 909 923 8048 www powerbassusa com...