Editorial Reviews
Amazon.com Product Description
The Studio L8400P is a powerful 12" powered subwoofer with a 600-watt digital amplifier. It is built with a cast aluminum frame chassis that helps give you outstanding bass response.
Product Description
The L8400P-BK 12" 600-Watt Black Powered Subwoofer delivers all the low-frequency impact and excitement required by today's high-definition video and music formats by incorporating technology originally developed for the most demanding professional applications. The 12" driver features a cast-aluminum frame and a massive HeatScape motor structure with Symmetrical Field Geometry combined with JBL's PolyPlas cone to deliver deep, powerful and bone-crushing bass. The Peak Dynamic Power is measured by recording the highest peak-to-center voltage produced by the power amplifier with its limiters disabled, across the output of a resistive load equal to minimum impedance of the transducer, using a 50Hz sine wave burst, 3 cycles on, 17 cycles off. Weight - 58 pounds (26.4kg)
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Customer Reviews
Excellent ! November 21, 2008
A. Vivino (NYC Metro)
This subwoofer is made to produce QUALITY sound. Some reviews here and elsewhere complain that it does not pump out high amounts of booming base.
This is not a car sub. It is a home theater sub. It produces very clean and tight base, at respectable levels, even when playing action movies.
I much rather have realistic base than simply a big box that pumps out low frequency vibration.
I've tested many subs, and for this price point, you cannot get better quality.
That said, if you have a very large room, you may have to turn the volume up high to get the same level that cheaper subs put out.
Also, placement within the room is everything when it comes to subs.
Don't hesitate: If you can get this for 350-450, buy it.
great sub.... September 24, 2008
T. Davis (Henderson, NV)
1 out of 1 found this review helpful
this sub just like any you buy has to be adjusted to your unit and speakers. this may a few days to get it right to your personal liking....but once u do u will love this best i owned and this is my forth different one over the last 25 years......jbl knows there stuff....
jbl l8400p subwoofer June 25, 2008
D. Danielson (New York)
2 out of 2 found this review helpful
brand new this subwoofer is great for small to medium sized rooms. medium meaning around 13' by 18'. Low end base is good but could be a slight bit heavier for a sub this size. Its worth the amazon price of $450.00 for the size room or smaller that i stated at the beginning.
Great Subwoofer for Home Theatre April 24, 2008
Brad Crabtree
2 out of 3 found this review helpful
I was tryin to debate whether to get this $450 600 watts RMS subwoofer or the $175 JBL SUB12 with 300 watts RMS. I decided to go all out and get this one received it very quickley(3 days) thanks to PRIME shipping. Hooked it up and the clarity was amazing. Its actually not as powerful as I thought it was going to be but still very clear. If I had the choice to do it again I would just get the $175 SUB12 but its not worth the shipping to send it back so Im keeping it and very pleased with it. Had to play around with the positioning for about two weeks. I have a small room and tried 2 different positions in my walk in closet and it was louder in the next room than it was in my room so I eventually placed it at the front near the TV(only option). Big difference...It was alot louder in my room from the listening positions once i got it to the front I was very pleased.
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