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New 2/2010 review of the 20M in Stereo Times

"The NSM MasterSource 20M loudspeakers are nicely designed, solidly built, and eminently musical sounding performers. They throw a very nice soundstage with good speed and detail and are capable of good bass performance."

"Small Footprint, Big Sound."

"...the song that always does it for me is the classic, Cant Help Lovin Dat Man. Pianist Gene Harris performance is simply marvelous and I always want to stand and applaud every time his solo concludes.... The 20Ms ability to pull the listener into the performance is very important to this song."

"... very high-quality craftsmanship and tight tolerances in the construction."

"The tweeter actually showed incredible range, not getting hard or bright as the music became louder or more dynamic."

"The 20Ms ability to pull the listener into the performance is very important..."

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MODELS
the jazz
the bossa nova
 the Segue
the 20M
30M 
30MSE
60M
the 20M armada
15EXP Sub
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 The 20M Ambient Sound Monitor
"masterful imaging"


Images better than Revel Performa M20
Images better than Mirage MRM-1
Images better than Merlin TSM-SE
Images at least as good as the JMlab Mini Utopia

read review from
www.soundstage.com

The 20M is a time coherent, point source, first order, two-way acoustic suspension loudspeaker system that is the result of years of research, innovation, and independent thinking, that have yielded many evolutionary refinements. As a result the 20M has exceptional ability to accurately reproduce music and to retrieve the ambiance of the musical performance.

As proof of the "rightness" of the design, there is no known bookshelf loudspeaker that can image better than the 20M.

Several features contribute to the performance of the 20M. The 20M's combination of time coherent, point source, first order, two-way, acoustic suspension designs coupled with innovative cabinet and crossover designs and accurate voicing, make the Model 20M incredibly true to the source.

Here is what one of the best audio mastering engineers has to say about the 20M and two 15 EXP subwoofer Armada System:

"I purchased a complete 20M Armada system over a year ago which I use daily for audio mastering. This system has simply allowed me to get closer to creating a perfectly balanced master than I ever thought possible."
Kurt Lundvall, Lundvall Mastering
(Click link above then click "studio" on Lundvall Mastering website. Note Lundvall is using two 15EXP subs not the EXP subs)


"...this is a highly resolving , intimate-sounding speaker that will appeal to people who value high detail and clarity."


As a result of its time coherent, point source, coincident driver array, the woofer and tweeter have identical acoustic centers and identical directivites at the crossover frequency. This produces a stable axiosymmetrical radiation pattern with smooth power response.This is further enhanced by a high quality minimalist four element first order crossover network.

The cabinet of the 20M is finished in real walnut wood veneer. It is elaborately braced and the rear panel is sloped two degrees to eliminate box resonances and colorations. Furthermore, the vertical edges of the cabinet are accentuated with exotic Peruvian walnut hardwood inserts that are rounded to prevent sonic refractions and to enhance the appearance of the 20M.

 1 pair MasterSource Model 20M walnut (item 30)


 1 pair MasterSource Model 20M walnut (item 30)

Special Features:
Magnetically shielded, time coherent, concentric, point source, driver array
Design:
Time coherent, point source, first order, two-way acoustic suspension
Drivers: concentric 6.5 in cast magnesium frame poly woofer, 1 inch soft dome tweeter
Crossovers: Copper inductor, metallized polypropylene capacitor, film foil capacitor, non-inductive wire wound resistor
Connectors: Bi-wire/Bi-amp, five-way gold plated binding posts
Cabinet: Walnut veneered 3/4 inch braced anti-resonant medite board
Wiring: Silver plated copper to tweeter, multi-strand copper to woofer, inductor is wired directly between woofer and terminal
Fasteners: Hex fasteners

Technical Data:
Frequency Response:
54Hz-20kHz +/- 3 dB
-6dB: 47Hz
-10dB: 38Hz
Dimensions:
14 X 9 X10 (H X W X D)
Sensitivity: 85 dB 1 watt/m
Rated Impedance: 8 ohms
Recommended Power: 50-150 watts
Weight: 50 pounds per pair

 "The 20M is a very different speaker ... because it uses a two-way coaxial driver from SEAS that looks like a single driver. It has the tweeter mounted inside the woofer, right where the dustcap would normally be. ...The idea in creating a driver like this is so that the speaker acts as a point source -- in other words, as close to a theoretical ideal of radiating sound from a single area.

print brochure


Here is what one of the best audio mastering engineers has to say about the 20M and two 15 EXP subwoofer Armada System
"I purchased a complete 20M Armada system over a year ago which I use daily for audio mastering. This system has simply allowed me to get closer to creating a perfectly balanced master than I ever thought possible."
Kurt Lundvall, Lundvall Mastering
(Click link above then click "studio" on Lundvall Mastering website. Note Lundvall is using two 15EXP subs not the EXP subs)

 "I found that both the NSM Model 10S and Model 5 have remarkable ability to cast a stable soundstage with excellent width and depth. This speaker does this too, but it also manages to focus its image more finely, making its imaging performance among the best I've heard."

"I sat mesmerized by the precision with which the instrument was rendered."

 "Compares favorably to the Waveform Mach MC, Mirage MRM-1, Revel Performa M20 and Merlin TSM-SE; 'if you're seeking all-out minimonitor performance, put the unique MasterSource 20M on your list."

"Fit and finish are excellent..." "Imaging is stellar. "
(Doug Schneider, Soundstagemagazine)
see also audioreview.com review of 20M 


 Links

  LINKS TO COOL SITES

   NSM Audio

  Role Audio by NSM

   DH Labs Silversonic  

ULTRALINEAR Audio journal 

  audaud.com
Model 15 Review

  soundstage.com
Model 5 Review

  audioreview.com
Models 10S and Model 50 Review under "N"

  soundstage.com
Model EXP Subwoofer Review

  Brightstaraudio.com

  goodsound.com
Model 5 and EXP review

  Buy import music CD's online

     soundstage.com
Model 10S Review

    Bound for Sound

     "AudioSold: For the High End Audio, Home Theater, audiophile hobbyist,
www.audiosold.com"

 MasterSource Audio, P.O. Box 13396, Research Triangle Park, NC, USA 27709-3396
Phone: 919-244-8777, Fax: 206-339-9034

 copyright 2010 NSM Audio Company