MB QUART PWM304 Operation & User’s Manual

7, Q The energy losses of relative damping (ratio of stored to dissipated energy or ratio of reactive to resistive energy). Fs Free air resonance of driver in Hz. Qms Mechanical Q. Vas Volume of air equivalent to driver from the rest position. Cms Mechanical complia…

1, PREMIUM PWM304 PWM304 Thank you for choosing the MB Quart PREMIUM subwoofer for your car audio sound system. With proper installation, you are on the path to experiencing your music in a way you only imagined possible. Here at MB Quart, we call this “Sound In Every Detail.” The PREMIUM s…

2, PWM304 500-1000 30.48 cm / 12” 30-250 4 500-1000 30.48 cm / 12” 30-250 4 84 500-1000 30.48 cm / 12” 30-250 4 84 500-1000 30.48 cm / 12” 30-250 4 84 500-1000 30.48 cm / 12” 30-250 4 84 500-1000 30.48 cm / 12” 30-250 4 84 84 315.3mm / 12.41” 278mm / 10.94” 183.6mm / 7.23…

4, PWM304 DVC 4-Ohm Coil Wiring PARALLEL COILS - + 2-Ohms + - 2-OHM SERIES COILS - + 8-Ohms + - 8-OHM SERIES COILS / PARALLEL SUBS - + 2.66-Ohms + - 8-OHM + - 8-OHM + - 8-OHM SERIES COILS / PARALLEL SUBS - + 4-Ohms + - 8-OHM + - 8-OHM PARALLEL COILS / PARALLEL SUBS - + 1-Ohm + - 2-OHM + - 2-O…

6, SUBWOOFER INSTALLATION DIRECTIONS Enclosure Materials Typically, 5/8” or 3/4” MDF (Medium Density Fiber Board) is best for most applications. 3/4” MDF is recommended. Enclosure Build Materials Connecting joints need to be glued and screwed to ensure no air escapes and joints do not sepa…

3, MB QUART PWM304 PWM304 QUICK CHANGE IMPEDANCE FEATURE The 4-Ohm dual voice coils are wired in Series when the block is inserted with 8-Ohm showing and in Parallel when 2-Ohm is showing on the Terminal label. As shown in the diagram above, changin…