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RBH TS-12AP Subwoofer  Print E-mail
Home Theater Loudspeakers Subwoofers
Written by Brian Kahn   
Monday, 01 January 2001
Article Index
RBH TS-12AP Subwoofer 
Page 2

Introduction
RBH Sound, named after chief designer Roger B. Hassing (not to be confused with the late James B. Lansing) has recently risen up as a contender in the highly competitive US loudspeaker market with a lineup of high performance affordable music and theater speakers. RBH speakers are known for their use of aluminum drivers like those found on Velodyne and Monitor Audio speakers. RBH dresses up their speakers in ultra sexy colors and wood finishes not too far from what you’d expect from the super boutique, high end loudspeaker manufacturers such as Wilson and THIEL. The system I evaluated includes the MC-6T speakers and TS-12AP powered subwoofer priced at $1099 pair (for cherry or semi gloss white finishes, $999 in the black oak finish) and $799, respectively.

My MC-6T and TS-12AP both came finished in a very high quality cherry wood veneer with removable, black grille covers. I was shocked when I opened the boxes and saw how beautiful they looked. These speakers are nearly furniture grade, which was a level of craftsmanship I wasn’t expecting at these prices. The MC-6T is 40 inches high by 14.5 inches and 9.5 inches deep and its driver complement consists of one, 1 inch dome tweeter and three 6.5 inch woofers, all aluminum and proprietary in design. The TS-12AP subwoofer is approximately 18 inches square and features a single 12 inch driver driven by a built-in 160 watt amplifier.

Metal drivers, normally only found in the most exotic of speaker designs, are fairly rare in the realm of affordable speakers. The metal drivers provide the desired pistonic linear motion sought and are less likely to flex and distort than conventional drivers. These benefits do not come for free however. Thankfully, the detriments of metal drivers just call for more work on the part of the design team and do not negitively affect the listener in this case. With metal drivers, especially those utilizing the wide bandwidth made possible by their inherent stiffness, there is the possibility that the operable bandwidth may overlap with the drivers resonant frequency. RBH designers implement a system of precise cross-overs to prevent this malady.

Setup
Before I began any critical listening, I let the RBH's break in for a couple of weeks in my extra bedroom with a constant low level music source. Ultimately, I listened to my RBH’s in my two channel system exclusively, which is comprised of B&K PT-3 Pre-Amp, a B&K ST1400II (125 watt per channel), a Sunfire Subwoofer Jr., a Pioneer Elite PDR-19RW, and is connected with Audio Analysis cabling. The RBH’s were easy to connect with their nicely crafted 5 way binding posts which should be standard equipment on every $1,000 a pair loudspeakers but are strangely forgotten by lesser speaker manufacturers. The TS-12AP subwoofer had the entire gamut of connections, high level input and output, line level input and output, phase and level controls, and so forth.

RBH recommends positioning the MC-6T’s at least fifteen inches from the wall and seven feet apart from one another. I ended up with the back of the speaker cabinet a bit over a foot from the wall and the speakers seven feet apart. I positioned the TS-12AP just inside of the right speaker with the front of the TS-12AP a few inches forward of the MC-6T’s.


 

 
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