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Boston Acoustics M250

Floor-standing speaker

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  • Boston Acoustics M250

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  • Boston Acoustics M250

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  • Boston Acoustics M250

    Extended Wide Bandwidth (EWB) dome tweeter

  • Boston Acoustics M250

    Pictured without grille

 

Our take on the Boston Acoustics M250

by Dave Bar
Boston Acoustics

Floor-standing speakers — still standing tall

Sure, floor-standing tower speakers buck the industry trend toward smaller, visually inconspicuous speakers, but they're hard to beat if great sound is your primary goal. Tower speakers produce powerful sound with excellent bass, making them a great choice for serious music lovers and for folks who want high-impact home theater.

A "wicked-good speakah" from Boston

The M250 from Boston Acoustics has what it takes to bring your music and movies to life. This slim, graceful tower employs the latest advancements in Boston's speaker technology to give you exceptionally accurate and natural sound. It's equally well suited for use in a stereo pair or as front left and right speakers in a multichannel home theater system. Plus, the M250 looks every bit as good as it sounds. Sporting a glossy black piano lacquer finish with luxurious leather-feel trim, it makes a stunning addition to just about any space.

Advanced drivers for detailed, dynamic sound

Boston's Extended Wide Bandwidth dome tweeter lets the M250 really sing with silky, transparent highs. Unlike most tweeters, this one has a dimple in the middle that stabilizes the linear motion of the tweeter for significantly lower distortion, improved dispersion for a deep, expansive soundstage, and greater clarity over a broad range of frequencies. The M250 also delivers dynamic mids and bass thanks to a 5-1/4" polypropylene midrange and a 5-1/4" woofer with an acoustically tuned port.

Better cabinet construction improves performance

Cabinet vibration, or resonance, is the enemy of clear sound. It distorts and colors the sound of instruments and vocals. Boston's M Series speakers fight vibration with LoQ™ cabinet construction. By using two sheets of MDF (medium density fiberboard) with a special damping adhesive layer between them, Boston created an enclosure that provides the acoustic deadening of much thicker materials without the drawbacks of added weight and increased size. The result is a relatively compact, lightweight speaker that has a very low resonance — or in speaker-speak, a low “Q.”

In addition to the Lo-Q cabinet material, Boston also used a scanning laser vibrometer to critically position the M Series cabinets' internal braces where they provide the most benefit. Then they added heavy-duty absorptive cabinet fill to eliminate internal standing waves. These advanced cabinet building techniques and materials result in speakers with impressive transparency and a large, detailed soundstage.

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Highlights:

  • 1" Extended Wide Bandwidth soft dome tweeter for excellent clarity and low distortion
  • 5-1/4" polypropylene cone midrange driver
  • 5-1/4" polypropylene cone woofer
  • bass-reflex (ported) enclosure
  • Boston Lo-Q™ cabinet construction reduces vibration and eliminates unwanted resonance
  • high-gloss black piano lacquer finish with leatherette covered baffle
  • frequency response: 60-30,000 Hz (±3dB)
  • sensitivity: 88 dB
  • impedance: compatible with 8-ohm outputs
  • recommended amplifier power: 50-250 watts
  • 5-way binding post speaker terminals
  • 9-11/16"W x 38-3/8"H x 9-13/16"D
  • weight: 35.3 lbs.
  • warranty: 5 years
  • Our 60-day money-back guarantee
 

Hands-on research from the Crutchfield Labs (what are the Labs?)

Features and Specs
General
Enclosure
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Bass Reflex
Finish
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MDF/Leatherette/Lacquer
Color
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Black
Tweeter
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Dome
Tweeter Size (inches)
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1
Midrange Size (inches)
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5.25
Woofer Size (inches)
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5.25
Woofer Composition
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Polypropylene
Woofer Surround
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Rubber
Built-in Powered Sub
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No
Video-Shielded
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No
Connector Type
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Post
Bi-amp Inputs
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No
Parts Warranty
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5 Years
Labor Warranty
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5 Years
Specifications
Power Range
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50-250
Frequency Response
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60-30,000 Hz
Sensitivity
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88 dB
Impedance (Ohms)
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8
Amplifier Power
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---
Height (inches)
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38-3/8
Width (inches)
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9-11/16
Depth (inches)
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9-13/16
Weight
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35.3 lbs
Product Research
What's in the box?

Download owner's manual

  • Floor-standing loudspeaker
  • Detachable grille (installed)
  • 4 Rubber feet (pre-installed)
  • 4 Spiked feet
  • Owner's Manual (En/Fr/Sp)

Our Product Research Team

At Crutchfield, you'll get detailed, accurate information that's hard to find elsewhere. That's because we have our own in-house Product Research team — they open the box, verify contents, check the owner's manual, and record dimensions, features and specs. We stay on top of new products and technologies to help people make informed choices.

Features

2.5-Way Speaker Design: This 2.5-way speaker combines a 1" Extended Wide Bandwidth dome tweeter with a 5.25" mid/woofer and a 5.25" woofer for smooth, natural sound, and dynamic bass. Experience rich sound while enjoying music, movies, and more with the M250 floor-standing loudspeaker from Boston Acoustics.

  • 1" Extended Wide Bandwidth Dome Tweeter: The M250 floor-standing loudspeaker is equipped with Boston's signature 1" Extended Wide Bandwidth (EWB) dome tweeter, which is designed to cover a broad range of frequencies, reduce distortion, and improve clarity in the high registers. Unlike most tweeters, the EWB has a small dimple in the middle and a large radiating surface that extends from the center to the outside perimeter of the diaphragm. This design enables the tweeter to track subtle treble details and reproduce the highest frequencies with ease.
  • Dual 5.25" Cone Woofers: The speaker also contains a 5.25"polypropylene mid/woofer driver and a 5.25" polypropylene cone woofer for extended bass response. Aluminum shorting rings help produce clearer sound.

High Quality Crossover Networks: Very high quality crossover networks featuring low loss film capacitors and low distortion laminated silicon steel core inductors are utilized for greater clarity and minimal coloration.

Lo-Q Cabinet Construction: The M250's Lo-Q cabinet is built to reduce vibrations and eliminate unwanted resonances. The M250 has a cabinet made of Lo-Q, a material consisting of two pieces of medium-density fiberboard joined together with a thick layer of damping adhesive in the middle. This material significantly reduces cabinet vibrations to virtually eliminate unwanted resonances allowing the M250 to create a larger, more vivid soundstage. The cabinet also contains heavy-duty absorptive fill and internal braces which have been strategically positioned to maximize the speaker's strength and optimize sound.

Gloss Black Finish w/ Leatherette Wrap: The M250's gloss black finish and curved side panels with faux leather wrap can complement almost any decor.

Rear-Firing Port: The Boston Acoustics M250 employs a rear-firing port for higher efficiency and greater bass response. Because of the rear-firing port, the speaker should be placed at least 3" from the wall.

Binding Post Speaker Terminals: The Boston Acoustics M250 floor-standing loudspeaker is fitted with a set of binding post speaker terminals that will accept bare wire (up to 10AWG), banana plugs (single only), spade-connectors, and pin-connectors.

Rubber & Spike Feet: The M250 floor-standing loudspeaker comes with pre-installed rubber feet which are ideal for hardwood floors. Spike feet are also included for placement on a carpeted surface.

 
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Boston Acoustics M250 Reviews

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Filter by rating:
5 out of 5

Supreme Sound

Written By Anonymous, Clifton Park, NY on Sunday, March 30, 2014
Crutchfield Customer Review (What's this?)
 
The speakers are even more classy looking than I could have imagined. For tower speakers they are very space conscious. Now for the sound, I could say WOW and it would say a lot but these go above that. They fill my room and are very crisp and clear allowing you to hear every little detail. With the right TV you will not want to go out to the movies. I'm even more excited I took advantage of the buy one get one. Thanks crutchfield!
Pros:
Big sounding towers but not space consuming. Elegant. Even better when you have these as your rear speakers too. Well worth the money.
Cons:
Can't find one if I tried!!
Was this review helpful?    Yes | No
 

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For a more in-depth review and enhanced detailed information on the Boston Acoustics M250, please visit the Crutchfield website product page (/ISEO-rccbcspd/p_065M250/Boston-Acoustics-M250.html ).