robertbartsch
06-30-2008, 10:49 AM
OK, so this 18 inch driver will serve as my sub-woofer in my HT and I plan to design and have built a separate cabinet with a power amp mounted inside the cab.
Since the driver has a 99Db sensativity rating with 1 watt at 3 feet, I assume I don't need a large power amp for this home applicaiton.
Questions:
1. What amp specs: What SS amp would be a good candidate for this project; my budget for the amp is about $300-$400. Should only amps with very low THD, say .05%, be considered or is distortion less critical for a sub woofer application? I'm assuming a 150 watt amp will suffice; right?
2. Cabinet size: The JBL recomended cabinet size is 5 sq. feet; If I'm not planning to use it at high sound pressure levels, can I build the box smaller, say 3.5 square feet and not suffer adverse affects?
3. Cabinet design: My thouhts on the cabinet are to mount the driver facing down - similar in design to the current Klipsch's subs; is this OK?
Thanks...
Since the driver has a 99Db sensativity rating with 1 watt at 3 feet, I assume I don't need a large power amp for this home applicaiton.
Questions:
1. What amp specs: What SS amp would be a good candidate for this project; my budget for the amp is about $300-$400. Should only amps with very low THD, say .05%, be considered or is distortion less critical for a sub woofer application? I'm assuming a 150 watt amp will suffice; right?
2. Cabinet size: The JBL recomended cabinet size is 5 sq. feet; If I'm not planning to use it at high sound pressure levels, can I build the box smaller, say 3.5 square feet and not suffer adverse affects?
3. Cabinet design: My thouhts on the cabinet are to mount the driver facing down - similar in design to the current Klipsch's subs; is this OK?
Thanks...