Dear customer, When properly installed and operated, your Bazooka MGA amplifier will give you years of clean uninterrupted sound reproduction. Therefore, we urge you to take a few minutes to carefully read through this manual. It will explain all of the features of your amplifier and help insure trouble free installation. Sound can be deceiving. Over time your hearing comfort level adapts to higher volumes of sound. What may have sounded normal can actually be too loud and harmful to your hearing.
SAFETY PRECAUTIONS ENGLISH Fuse amplifiers power wire at the battery. Be sure to fuse the power wire within 12” of the car's battery. This will protect the car's battery in case of a short circuit between the power amplifier and battery. THIS IS A MUST, the amplifier's built-in fuse will only protect the power amplifier not the car's battery! Use high grade wire connectors.
FEATURES AND BENEFITS DC Offset Protection Short Circuit Protection The circuit protects the amplifier from damage due to a short found in the speakers or wiring. If one of the speakers or its wiring comes in contact with ground, the amplifier will shut down. To resume normal operation, correct the problem and turn the head unit off, then back on. The amplifier will reset and play again.
ENGLISH Subsonic Filter (MGA1190, MGA1300, MGA1500 & MGA1800) A subsonic filter has been provided to filter out unwanted subsonic bass frequencies below the audible range of the subwoofer. This feature helps to improve the amplifier's overall performance since power is not wasted reproducing frequencies beyond the speakers' normal operating range. This feature works in conjunction with the Low-pass crossover to provide band-pass filtering.
MOUNTING LOCATION Select the location in which you wish to mount the amplifier. Use caution when mounting amplifier, there are many wires, gas lines, vacuum lines, brake lines as well as a gas tank in the automobile. Make sure you know where they are when mounting the amplifier to avoid puncturing lines, shorting wires or drilling holes in the gas tank. Once you are ready, use a pencil to mark the mounting holes in the bottom panel.
ENGLISH CONNECTIONS Panels slide off to make connections easier.
POWER CONNECTIONS BRIDGED RIGHT FUSE PROTECT +12V 25A POWER REM ENGLISH LEFT GND CHIL SPEAKERS IN-LINE POWER FUSE MOUNTED WITHIN U H 12" FROM BATTERY RECOMMENDED (NOT PROVIDED) RADIO'S REMOTE TURN-ON OUTPUT + 94.7 - CAR C BATTERY Y +12V 2 IMPORTANT! Before making any connections, disconnect the car’s battery until the installation is completed to avoid possible damage to the electrical system. Connect the amplifier to the car's battery.
SIGNAL CONNECTIONS ENGLISH Connect the RCA output of the head unit (AM/FM cassette player, CD, or DAT) to the RCA input terminals of the amplifier. To make these connections, we recommend high quality RCA cables, which are available at your local car audio retailer. Run signal wires away from electrical wires to avoid possibility of induced noise from the car's electrical system (i.e. popping noises or engine noise).
HIGH LEVEL CONNECTIONS (OPTIONAL) High Level inputs have been included to connect the amplifier to a radio without low-level outputs (i.e. factory radio). This connection will allow you to connect directly to the speaker output of the radio with out the need of an external adapter. CAUTION! Before making any connections determine the type of radio to avoid possible damage to amplifier and/or radio.
ENGLISH HIGH NPUT LINE IN GND CH BASS BOOST X OVER X OVER 6dB 0dB 12dB LPF FLAT HPF LPF FLAT HPF BASS BOOST LINE IN HIGH INPUT 6dB 0dB 12dB GND CH2 CH3 CH4 CH1 CH3 MAX MIN 50Hz 250Hz 50Hz GAIN X OVER CH1 / CH2 CH2 250Hz MN MAX X OVER GAIN CH3 / CH4 CH4 94.
SPEAKER CONNECTIONS Make the speaker connections using speaker wire that is at least 16 gauge or heavier. SP SP SP SP PROTECT 20A Please note that although the MGA1190, MGA1300, MGA1500 and MGA1800 are mono amplifiers, we have provided two sets of speaker terminals on the amplifier. These terminals are connected in parallel internally (connected together). The second set of speaker terminals are intended for ease of connection when running multiple woofers.
ENGLISH SPEAKER CONNECTIONS (BRIDGED) The MGA amplifiers are capable of being bridged in a mono configuration. This feature allows you the flexibility of using the amplifier to drive a ** subwoofer or a center channel. In this configuration the amplifier sums the right and left channel to deliver one channel (mono) output. Please note: in order for the amplifier to sum right and left signal information, both right and left RCA connections must be made.
SPEAKER CONNECTIONS (TRI-MODE) The MGA265, MGA2100 and MGA2150 are capable of running in a Mono / Stereo mode. This feature gives the amplifier the ability to run stereo satellites (midbass & tweeter) simultaneously with a mono subwoofer. Please Note: In the Tri-mode configuration, the amplifier’s built-in crossover must be set to the ”FLAT” position so the speakers receive full range output.
ENGLISH REMOTE BASS CONTROL MODULE (OPTIONAL) Before connecting the remote, it will be necessary to find a mounting location that will be easy to access for adjustment. Once you select your mounting location, you will need to run the control wire from the remote to the amplifier. To avoid possibility of induced noise from the car's electrical system (i.e. popping noises or engine noise), run the cable from the remote to the amplifier away from the car's electrical wiring.
ADJUSTING THE X-OVER AND BASS . (Please note: If you intend to use the MGA265, MGA2100 and MGA2150 in the Tri-mode configuration, it is necessary to set the crossover control to the “FLAT” setting in order to receive full range output) You can add 6 or 12dB bass boost by switching the Bass Boost control. Select the crossover type on the amplifiers side panel.
ENGLISH TROUBLE SHOOTING THE SYSTEM We have put together this trouble-shooting guide if you experience problems after installing the amplifier. Please keep in mind that the majority of problems incurred are caused by improper installation and not the equipment itself. In addition, there are many components in the system that could cause various signal problems such as inducted electrical noise and engine noise.
S PECIFICATIONS MGA265 MGA465 Output Power @ 14.4 VDC : 4 ohm 2 ohm Bridged 4ohm Bridged 2ohm Frequency Response + 5dB S/N Ratio (A weight) THD (A weight) Low Input Level Hi Input Level Battery Voltage Range Crossover Type Crossover Freq. Range Crossover Slope Bass EQ at FULL/LP Subsonic Filter Phase Control Unbalanced Input (RCA Jack) Jack for Remote Control Line Output Fan Fuse MGA1190 65W x 2 95W x 2 190W x 1 N/A 25Hz 22KHz >90dB .30% 200mV 6V 1.0V 10.0V 10.
ENGLISH LIMITED WARRANTY Southern Audio Services, Inc., warrants all products to be free from defects in material and workmanship for a period of one (1) year from the date of purchase. In the event the product is not as warranted, SAS’ sole obligation shall be to repair or replace the defective product at SAS’ option: SAS limits its obligation under any implied warranties under state laws to a period not to exceed the limited warranty period.
ENGLISH How to obtain warranty services: 1. You are responsible for delivery of the product to an authorized BAZOOKA® dealer or contact SAS at 1-800-THE TUBE for a Return Authorization number. The Return Authorization number must be clearly written on the outside of the box. Freight must be prepaid to SAS. Warranty replacement parts will be returned freight prepaid. The entire enclosure may be returned for warranty service, but return will be freight collect. 2.
--_ ......._-_ _-- _._._- 11 . . - . . - " __ .., ... eo -... ..