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The NSMT Model 25/Chorus Loudspeaker

NSMT CHorus

THE NSMT Model 25/CHORUS
Combining power and finesse

(Shown: Satin black active Chorus with remote controlled 60 watt RMS amplifier)

Finishes

"I really wasn’t quite prepared for the excellent performance of these speakers, in particular the palpable 3D stereo image that the Chorus speakers created in my listening rooms. Imaging is the ‘holy grail’ of speaker design, and NSMT has achieved this elusive capability just right." (Mel Martin,hometheaterhifi.com) 

READ REVIEW

It can play whisper quiet or extremely loud, it can play any venue from a den to an auditorium, and it can be driven by any amplifier from a few watts to 1000 watts.

Now available with bult-in active 60 watt amplifier with WiFi and Bluetooth!

Read press release regarding the Chorus Loudspeaker here.

Special Edition version of the Chorus here. 

Note: All Choruses have non-removable cloth cover or perforated metal grills.

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The NSMT Model 25 AKA Chorus is a hardcore audiophile loudspeaker that is designed for music lovers, theater enthusiasts, Single Ended Amplifier aficionados, recording engineers, musicians, live music fans, DJs, and loud music fans. It is a time coherent, positive polarity, two way, minimum phase design with the power and finesse to play just about any venue. It images on par or better than some of the best minimonitors. It is accurate even when measured at 2.5 feet, and it is also health friendly and Eco-friendly, which makes it suitable for nearfield listening, gaming, home theater, recording studios, concert halls, discos, churches, and schools.

Can a compact loudspeaker be suitable for nearfield audiophile listening, gaming, home theater, studio monitor, concert halls, discos, churches, schools? The Chorus can play all these venues because of its unusual combination of finesse and power.

The Chorus like all NSMT loudspeakers is designed for the holy grail of audiophile listening. It is minimum phase, time coherent, positive polarity to preserve waveform, with no crossover to the woofer and a 12 dB per octave crossover to the tweeter. It can can be driven by any amplifier from a single-ended triode to a 600 watt solid state. And it has the finesse and power to play anywhere from a den to a auditorium. It has a humongous wide and deep soundstage, a spectacular midrange, images on par or better than some of the best minimonitors, it reproduces vocals beautifully, and projects sound with the authority that makes every recording sound live. It can play any venue from a den to an auditorium.

The NSMT Model 25/Chorus Active speaker employs a built-in 60-watt amplifier (30 watts RMS per channel) with Wi-Fi and Bluetooth connectivity. The Chorus' amplifier is a feature-packed full range Class D amplifier with high-quality Wi-Fi and AptX Bluetooth input. In addition to its wireless inputs, the amplifier features RCA, 3.5mm, and optical digital inputs, plus a subwoofer output (LFE).

With a sensitivity of 96 dBs, the Chorus can easily be driven to loudness above 100 dBs with as little as 5 watts RMS. Therefore 30 watts RMS provides the Chorus with an almost limitless dynamic headroom. 

The Chorus High Performance Monitor Loudspeaker

SPECIAL FEATURES

Sensitivity: 96 dB

Tweeter and woofer both connected in positive polarity (preserves absolute polarity from microphone to loudspeaker)

Time coherent, minimum phase design

Crossover-less woofer, second-order crossover to tweeter.

8 inch paper cone woofer

1 inch soft dome tweeter

Rated impedance: 8 ohms

Minimum impedance: 4.5 ohms

Multi-strand OFC copper wire to woofer and tweeter

Health friendly and Eco-friendly

All Chorus loudspeakers are outfitted on the back panel with 1/4-20 threaded retainers that are spaced four inches apart to facilitate attachment to optional custom floor stands, optional metal telescoping stands, articulating tilting and swivel TV wall mounts, and custom "Hangman ASM6-2" wall brackets.


Specifications:

Dimensions: 30 X 9.5 X 4.5 inches (H X W X D)
76 X 24 X 11 cm

Bandwidth: 35 Hz to 20 kHz (frequency coverage)

+/- 3.5 dB 42 Hz to 20, kHz (measured on wall)

Weight: 21 lbs standard Chorus


SPECIFICATIONS

Active Chorus Amplifier Specifications:

Power: 2 x 30 Watts RMS (Class D)

Inputs: AUX 1: 2 x RCA, AUX 2: 3.5mm Stereo, S/PDIF Optical: Toslink

Outputs: Dual 5-way binding posts, RCA LFE Output (80 Hz Xover)

Frequency response: 45-20,000 Hz

Operating power: 115 ~ 230 VAC, 50/60 Hz, 80 Watts

Standby power: <0.5 Watts

Bluetooth module: V4.0 + EDR, Class II

Bluetooth Audio Profi les: aptX, A2DP, AVRCP, HFP, and HSP

Bluetooth range: 10 meters

Wi-Fi: 2.4 GHz, Apple AirPlay® DLNA, Hi-Fly App compatible

Signal to noise ratio: >95dB

Specifications and design subject to modifi cation without notice

Apple and AirPlay are trademarks of Apple Computer, Inc. Registered in the US and other countries.

 

HERITAGE

 NSM (NSMT) Model 25

Here is some of what Julian Hirsch had to say about the original Model 25 in his January 1993 review in Stereo Review magazine: 
 

"You could not ask for a more listenable speaker."

 

"The Model 25 sounded very easy, clean, and smooth. There was no apparent excess or deficiency in any part of the audio spectrum, and its sound stage was superb."

 

"Their room response was exceptionally flat and smooth..."

 

"Our composite response curve..was flat within +/-3 dB from 50 to 20,000 Hz. For most of that range the response was extremely flat..."

 

"Overall, the phase angle of the impedance varied smoothly between +30 and -45 degrees, with no evidence of sharp jogs, indicating resonance in the drivers or in the enclosure, that we've seen from many speakers in this measurement. The acoustic phase linearity was also good, with a group - variation of +/- 250 microseconds from just over 1,000 Hz up to 20,000 Hz."

 

When we last sold the Model 25 in 2005 its retail price was $1,295, the equavalent of $1,677 today. We are proud to introduce the Chorus at $995 per pair.