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JBL CBT 70J-1 2000W 4 x 5" Installation Speaker - White Reviews

4.5 stars based on 4 customer reviews
Questions about the JBL CBT 70J-1 2000W 4 x 5" Installation Speaker - White?

Questions about the JBL CBT 70J-1 2000W 4 x 5" Installation Speaker - White?

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Sweetwater Advice

  • Robby Resnick

    Some things function as both art and object. This is absolutely one of them. The JBL CBT's provide line array coverage and clarity for a fraction of the cost of other systems. They sound amazing on their own for spoken word or - coupled with a CBT 50 or 100 - can project music throughout a large space without losing clarity. It amazes me how they have controlled and focused the energy these boxes put out. (And when installed properly, they are as pretty to look at as they are to listen to!)

  • from Shoreline Church March 11, 2017

    CBT works better than expected!

    Installed a pair of these in our sanctuary and everyone is delighted with the result. We're getting good stereo imaging even near the edges of the sanctuary and about 1.5db falloff front row to back wall. I am using them with a subwoofer so they get a lo-cut version of the mix. The spectrum analyzer shows them to be flat response throughout the room with the music setting on the enclosure. Great intelligibility for the sermon as well as vocals during music. Because of their wide horizontal beam width and their positions at the extreme left and right of the room, I am aiming them at nearly a 45 degree angle into the room which is providing excellent even coverage. Great technology!

  • from OK March 6, 2014Music Background:
    Enjoy high volume classic rock

    JBL CBT 70J-1

    Work great, using for rear channel on a 400 watt per channel Carver amp. On 5 channel they are loud at high volume, but don't boom in a particular direction, in other words the sound is more evenly distributed.

  • from Arkansas December 18, 2012

    Great sound quality.

    Installed two of these in a 350 seat sanctuary. Fills the house with great sound. Speech is clear and music is crisp.

  • from nyc June 24, 2015Music Background:
    Sound designer

    CBT 70J-1 + 70JE-1

    they are not meant to mount on a side wall to replace existing column speakers on each side of a long room. They don't say you can do that but they don't say you can't in anything i found. The speakers have an approximate 135 to 150 degree horizontal beam width. If you mount them on a side wall facing to the rear of a 85 foot long room, intelligibility is gone at about 45 feet unless you make them so bright they sound terrible. 1/3 or more of the horizontal beam bounces off of the adjoining wall and destroys the carefully crafted vertical beam. If you put them 10 feet from the wall the sound if fine to 85 feet. Don't use these to directly replace wall mounted columns in the front of the room. They work better but not optimally. K arrays are slightly better against the wall but constraining an interference pattern device by ruining its interference pattern with first reflections 12 inches away is not good. The need space on each side

Questions about the JBL CBT 70J-1 2000W 4 x 5" Installation Speaker - White?

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