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Summary of Contents for PowerBass ASA 1200.2x
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Page 1: Owners Manual
ASA 1200.2x ASA SERIES CLASS A/B 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. - Page 2 Thank you and Congratulations Thank you for your decision to purchase a PowerBass USA Autosound mobile amplifier! Our Autosound amplifiers are the result of extensive engineering, testing, and bullet proof construction. Their versatility enables compatibility with optional signal and audio processors. These high quality MOSFET amplifiers may be configured to allow maximum flexibility in designing different types of speaker systems.
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Page 3: Technical Features
TECHNICAL FEATURES • Low Profile Aluminum Finned Heatsink • PWM MOSFET Power Supplies for High Power Output and Best Stability into Low Impedance Loads • Variable High Pass and Low Pass Electronic Crossover • Soft Delay Remote Turn On/Off Circuit to Eliminating Pops and Clicks •... -
Page 4: Installation Precautions
INSTALLATION PRECAUTIONS NOTE: Proceed only if you are a qualified installer, otherwise; see your Authorized PowerBass Dealer to professionally install this amplifier. Always wear protective eyewear when using tools. • Turn off all stereo and other electrical devices before you begin. •... -
Page 5: Mounting Location
MOUNTING LOCATION Find a clear and well ventilated area to mount your amplifier that is unobstructed by any objects that will cause harm or block ventilation. You may use the amplifier as a template and mark the four screw locations with a felt tip pen. -
Page 6: Control Panel Layout
CONTROL PANEL LAYOUT Fig.2 Panel Layout NOTE: Panel Layout and Controls may differ by model. 1. Line INPUT (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 500mV is required for proper operation. - Page 7 5. REMOTE This is the connector port for the optional Remote Bass Boost Control. Now the amplifiers secondary gain cir- cuit can be adjusted from the driver’s seat. (See your local PowerBass dealer and ask for model ASA-BASS sold separately.) 6.
- Page 8 15. REM (Remote Input Connection) All PowerBass AutoSound amplifiers can be turned on by applying 12 volts to this terminal. This can be found on the rear of the source unit in the form of an electric antenna output, or a remote output. If this is not available you can wire to the ACC position on the key.
- Page 9 SPEAKER FUSE BATT REMOTE MONO FUSE HOLDER Chassis Ground Near Battery (–) Battery Remote Turn ON To Power Antenna Fig.3 Power Input Connection These amplifiers are designed to work within a 10 to 16 volt DC range. Before any wires are connected, the vehicles electrical system should be checked for correct voltage supply with the help of a voltmeter.
- Page 10 Ground When grounding your amplifier, locate a metal area close to the amplifier that is good source of ground (preferable the floor pan). Once again, investigate the area you wish to use for electrical wires, vacuum lines, and brake or fuel lines. Use either a wire brush or sandpaper to eliminate unwanted paint for better contact of the ground.
- Page 11 RCA INTERCONNECT SWITCH POSITION Fig.4 Low Level Input using RCA Choose the correct length and style of RCA interconnects for your needs. Always use high quality RCA audio cables (not supplied) for signal connections—those with multiple layers of shielding or a twisted pair variety for better noise rejection.
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Page 12: Set-Up Adjustments
SET UP ADJUSTMENTS Input Gain Adjustment GAIN Input Sensitivity Control Fig.5 GAIN Control This control allows you to match the input level of the amplifier to the output level of your head unit. Matching the input can be accomplished in three simple steps: Set the volume of GAIN on the amplifier to Min (completely counter clock wise). -
Page 13: Remote Port
40Hz 250Hz Fig.8 Low Pass Control (LPF) LPF (Low Pass Filter) Adjustment Using this volume, adjust the LPF frequency for your subwoofer speaker(s) operation. The X-OVER switch position should be at “LPF”. Remote Port This is for the optional Remote Gain Control (part# ASA-BASS see your Authorized PowerBass dealer for de- tails). -
Page 14: Speaker Wiring
SPEAKER WIRING AND CONFIGURATIONS Speaker Load Keep in mind your PowerBass Autosound amplifier is a high power amplifier and not a high current amplifier. In other words this amplifier requires a minimum impedance of 2 ohms STEREO and 4 ohms bridged MONO to operate trouble free. - Page 15 Speaker Output Connections 2 Channel Models ( ASA-200.2x, ASA-300.2x, ASA- 400.2x, ASA-600.2x, ASA-800.2x and ASA-1200.2X 2-Channel Speaker Output Connection Fig.11 2-CH Speaker Connection (Do not connect total impedance under 2 ohms) 1-Channel (Bridged Mode) Speaker Output Connection Fig.12 1-CH (Bridged Mode) Speaker Connection (Do not connect total impedance under 4 ohms)
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Page 16: Recommended Wire Sizes
RECOMMENDED WIRE SIZES Power Cable Selection Chart Fuse Total 4-7Ft 7-10Ft 10-13Ft 13-16 Ft 16-19 Ft 19-22 Ft In Amperes Length of Wire/Gauge 150A - 200A 2 GA 2 GA 2 GA *1/0* *1/0* *1/0* *1/0* 125A - 150A 4 GA 4 GA 4 GA 4 GA... -
Page 17: Troubleshooting Tips
TROUBLESHOOTING TIPS Problem Solution Power LED not ON With a Volt Ohm Meter (VOM) check: • +12 Volt power terminal (should read +12 to +16VDC • Remote turn-on terminal (should read +12 to +16VDC) • Ground Terminal Power LED lights GREEN, no output •... - Page 18 SPECIFICATIONS FOR AUTOSOUND A/B AMPLIFIERS ASA 1200.2x Two Channel Models 4 Ohms Power (Watts) 300W x 2 2 Ohms Power (Watts) 600W x 2 4 Ohms Mono Power (Watts) 1200W x 1 Peak Music Power (Watts) 2400W x 1 @ 10% <0.05%...
- Page 19 POWERBASS AUTOSOUND LIMITED WARRANTY POLICY PowerBass USA, Inc. offers limited warranty on PowerBass products under normal use on the following terms: PowerBass Autosound Amplifiers are to be free of defects in material and workmanship for a period of one (1) year. This warranty applies only to PowerBass products sold to consumers by Authorized PowerBass Dealers in the United States of America.
- Page 20 PowerBass Autosound – A division of PowerBass USA, Inc. 13936 Mountain Avenue – Chino, CA 91710 Tel. (909) 993-5399 – Fax (909) 993-5393 www.powerbassusa.com...
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