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"...the lower registers of [Dark Side of] The Moon played through the 15EXP were downright menacing."

"The 15EXP did not so much guild the lily or draw undue attention to itself as it put meat (but little fat) on the bottom line making cellos more convincing, drums more striking, and even vocals more realistic."

"I did find the 15EXP quite a bit easier to integrate into my system than has been my previous experience with subs."

"Quite obviously the 15EXP has been designed for listening to music... with its unusual front port and hidden driver it is quite obvious that the 15EXP is not your brother-in-laws' subwoofer – 'just listen to that bass..."

And when it comes to integration, few subwoofers integrate as well as the 15EXP, for that totally immersive music or theater experience.
(Dr. Jeff Rabin, Enjoythemusic.com)




The Model 15EXP
   
"...just listen to that bass..."

$1,195 each

 
 

 

"NSM's (AKA Role Audio's) EXP15 Subwoofer is not a Subwoofer for the head banging brigade.... What it will do is enhance your existing system with greater bass extension and present a more realistic window into your source material without ever drawing (undue) attention to itself."
(Dr. Jeff Rabin, Enjoythemusic.com)

"A subwoofer to die for." (customer comments) 

"More subwoofer than I need!"
(customer comments) 

"Fantastic subwoofer - makes organ music sound like you are hearing it in a church."
(customer comments) 

This is what Jeff Rabin Ph.D. said about a Role Audio theater system based on the earlier version of the 15EXP : "...I was astonished to find myself within a seamless, natural and forgettable immersive musical environment that had depth, ambiance, imaging power, subtlety and a naturalness.."
enjoythemusic.com

SPECIAL FEATURES:
  200 watts high headroom amplifier
  
Continuous phase adjustment for the best possible integration with your speaker system

 
  10 inch long-throw paper cone woofer
   
Auto-on switch controlled by input signal
   Continuously variable crossover from 40 Hz to 160 Hz
   Combined enclosure and crossover roll off 24dB/octave  
   Line level and speaker level inputs
   Line level and speaker level outputs

   Vented band pass design produces extended flat bass response which is ideal for music and home theater systems
   Front port allows near wall placement

If you play music with your home theater system even occasionally, you should use the 15EXP subwoofer. The 15EXP subwoofer designed firstly to play music and to reproduce all the nuance and speed of recorded bass while its powerful performance makes it an excellent choice for home theater system. Unlike most conventional subwoofers, the 15EXP does not rely on electronic controls and amplification to shape its response. It relies primarily on the harmonious relationship between the driver and the enclosure, the result of a well executed design.

Although the 15EXP has always offered formidable performance (one customer described it as, "more subwoofer than I need'), we have made some significant improvements to it. The main improvements include the use of a new paper cone driver with increased excursion and a more linear and lower bass response. Depending on the crossover setting, the new 15EXP's quasi anechoic frequency response (lab response) is variable from 23Hz to 150Hz +/- 5 dB or from 27Hz to 150Hz +/- 3.5 dB. A linearity that few subwoofers can match. We know some manufacturers make outrageous claims about their subwoofer's response that are not borne out in technical reviews. We guarantee the lab response figures for the 15EXP. The quasi anechoic or "lab" response of the 15EXP indicates that with room reinforcement the 15EXP should provide powerful usable bass response down to 16Hz. However linearity alone can make a subwoofer sound boring, therefore we have engineered the 15EXP to produce a slight rise in its frequency response between 50 and 60Hz to give the bass better pitch definition and punch. Moreover, the response of the 15EXP is not forced primarily by electronic controls but by the natural response of the driver and the well matched bandpass enclosure, which produces a flat response with a natural 12 dB per octave response, which combined with the12 dB per octave response of the subwoofer amplifier yields a 24 dB per octave roll off pattern. In addition, the 15 EXP is outfitted with built in high quality custom 6 dB per octave high pass filters for the ultimate integration with satellite/surround speakers, making the 15EXP, "..a subwoofer to die for," as one customer described it.

 15EXP-SE:
15EXP with 360 watt outboard amplifier with remote controlled crossover and volume: $1,395
A250 Subwoofer Amplifier

SPECIAL FEATURES:
360 Watts amplifier
Remote control continuously variable crossover
 from 40 Hz to 175 Hz
Remote control to set volume

Phase reversal switch

Custom 6dB per octave high pass crossover for integration with satellite speakers
Auto-on switch
controlled by input signal
        Frequency roll-off: 24dB/octave
Line level and speaker level inputs
Line level and speaker level outputs


SPECIFICATIONS:
Input Connectors:
Left and right line level RCA connectors, left and right speaker level binding posts
Output Connectors: Left and right line level RCA connectors, left and right speaker level binding posts
Shipping Weight passive subwoofer: 40 pounds (sub)
Shipping Weight amplifier: 14 pounds (amp)
Rated Output: 360 watts at .01% THD
Frequency Response: 22-175 Hz,+/- 3dB (variable)
Signal to Noise Ratio: 100 dB  (A-weighted)
Voltage: selectable



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NSM AUDIO
 e-mail: nsmaudio@nsmaudio.com    Phone: 919-244-8777    Fax: 206-339-9034
 P.O. Box 13396, Research Triangle Park, NC, USA 27709-3396

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