Definitive Technology StudioMonitor 65

Bookshelf speaker

Item #: 735SM65

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Big-speaker sound in a compact package

Definitive Technology's StudioMonitor 65 gives you the kind of high-end performance you'd expect from a much larger floor-standing speaker, but in a smaller, more versatile bookshelf design. You'll hear a wide, deep soundstage with realistic imaging backed up by surprisingly deep bass — even without a sub. Each rock-solid cabinet features two of Definitive's advanced 5-1/4" mid/bass drivers pressure-coupled to a top-mounted bass radiator for high-impact sound. Together, they provide more total bass radiating area than a 12" woofer, but with greater control, definition and speed than a single large cone. A 1" pure aluminum dome tweeter serves up crisp, extended highs that blend in beautifully with the mids and lows.

studiomonitor65

High-tech driver design for impressive performance

SM65woofer

Definitive's second-generation patented BDSS driver with Linear Response Waveguide™ technology gives this speaker exceptional sound quality.

The StudioMonitor 65 is chock full of technology that's also found in Definitive's top-of-the-line speaker models. Its twin 5-1/4" mid/bass drivers use the latest Balanced Dual Surround System (BDSS) driver design, which places a surround on both the outer and inner edge of the speaker cone. This helps the cone remain more stable as it moves, resulting in clearer, more accurate sound — even at high volume levels. The '65's mid/bass drivers also get Definitive's second-generation Linear Response Waveguide™. This mushroom-shaped post in the center of the cone smooths off-axis frequency response for broad, even sound dispersion and a more realistic sonic "image." That means every listener in the room gets to hear balanced, open sound with lifelike vocals and instruments.

sm55 pure aluminum dome

A second-generation pure aluminum dome tweeter yields smooth, extended treble.

Crisp, sparkling highs

Definitive also equipped the StudioMonitor 65 with their latest 1" pure aluminum dome tweeter. This advanced driver is first heat-treated to relax the crystal structure of the metal, then coated with a ceramic that helps produce clear, sparkling highs without a trace of edginess. You'll easily hear the subtle high-frequency details in your music, like the sound of wire brushes gently sweeping the snare head, or the bell-like ring of a brass cymbal.

It's all in the details

Definitive paid close attention to other important design elements, too — both visible and hidden. At its heart, the StudioMonitor 65 uses a sophisticated crossover network with audiophile-grade components that include over-sized inductor coils and Mylar film capacitors. These give you a smoother, flatter frequency response, more powerful dynamics, and faster transients, for sound with real presence and immediacy. Sturdy, vault-like cabinet construction also plays a big role in this speaker's performance. The '65's well-damped, cross-braced enclosure features a specially contoured front baffle with tapered sides to minimize diffraction and vibrations that can color your sound and reduce accuracy.


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Did you know?
Your new speakers will probably sound better after several weeks of use than they do right out of the box. That's because the material surrounding the woofers will loosen up, allowing the drivers to move more fully. Definitive Technology estimates a break-in period of 24 to 48 hours of playback before the speakers will deliver optimum sound quality. For more information and helpful tips, check out this article from Definitive's website about conditioning your speakers.


Product Highlights:

  • two second-generation Balanced Dual Surround System (BDSS) 5-1/4" mid/bass drivers for clear, accurate sound at high volumes
  • Linear Response Waveguide technology smooths off-axis frequency response provides broad, even sound dispersion and more realistic imaging
  • rigid die-cast aluminum driver baskets resist vibration and twisting for lower distortion
  • top-mounted bass radiator for outstanding low-frequency response
  • second-generation 1" pure aluminum dome tweeter delivers clear, extended highs
  • crossover network features oversize inductors and premium Mylar capacitors for audiophile-grade sound quality
  • non-resonant braced enclosure ensures clean, uncolored sound
  • wood grain matte black enclosure with high-gloss, anti-diffraction baffle and detachable cloth grille
  • frequency response: 30-30,000 Hz
  • sensitivity: 92 dB
  • impedance: 8 ohms
  • recommended amplifier power: 20-300 watts
  • dual 5-way binding post speaker terminals for bi-wiring and bi-amping options
  • 16-3/8"H x 7-7/8"W x 15-3/16"D
  • warranty: 5 years
  • Our 60-day money-back guarantee

Why choose bookshelf speakers?

Bookshelf speakers may be small in size, but they can deliver surprisingly big sound. Some ultra-compact models even fit on a desktop. Most are right at home in tight spaces like shelves, so they're usually good choices for your home theater's rear channels. For the best performance, try placing bookshelf speakers on solid speaker stands to help the sound really "open up." If you want full bass impact, add a powered subwoofer and enjoy punchy sound that's as deeply satisfying as that of floor-standing speakers.

Hands-on research

What's in the box?

Download owner's manual

  • Black bookshelf loudspeaker
  • Detachable black cloth grille
  • 2 Jumpers (attached to speaker terminals)
  • 4 Self-adhesive rubber feet
  • Owner's Manual
  • Online Product Registration card

Product Research

Driver Technology
Enclosure Design
Connections
Mounting Options

Driver Technology

StudioMonitor Series: The Definitive Technology StudioMonitor 65 is a compact bookshelf loudspeaker designed for use in audio/video entertainment systems. Because the StudioMonitor 65 is a true full-range speaker with extended low-frequency response, it delivers superb performance both as stand-alone speaker and when combined with a separate subwoofer. Due to its compact size, wide-range, high-power handling, and natural articulate clarity; the StudioMonitor 65 loudspeaker is ideal for use as front, center, or surround speaker in a home theater environment.

2-Way Loudspeaker: Each Definitive Technology StudioMonitor 65 loudspeaker features a D'Appolito array consisting of two 5.25" second generation BDSS cast-aluminum basket midrange drivers surrounding a 1" pure aluminum dome tweeter.

  • 2nd Generation BDSS Midrange: The 6.5" cast-aluminum basket midrange driver features Definitive's patented Balanced Double Surround System (BDSS) technology that supports the speaker cone at both the inner and outer edges allowing longer, more linear excursion for greater clarity and finely textured inner detail.
  • Pure Aluminum Dome Tweeter: The 1" tweeter is a pure aluminum dome, which has been heat-treated to relax the crystal structure and then coated with a ceramic to produce smooth, extended highs. A new patent pending Linear Response Waveguide smoothes off-axis frequency response and disperses sound over a wider area for crystal clear intelligibility for every listener in the room.

Pressure Coupled Radiator Design: The dual 5.25" BDSS midrange drivers are pressure coupled to a top-mounted 6"x12" racetrack bass radiator to extend and amplify bass frequencies. The total bass radiating from a StudioMonitor 65 is substantially greater than that of a single 12-inch woofer but with far greater control, definition and speed than a single sluggish large woofer. The StudioMonitor 65 speaker's bass performance offers depth, detail, and musicality.

Note: Due to the top-mounted racetrack bass radiator, there should be at least 2" of space above the bookshelf loudspeaker.

Phase-Coherent Crossover Networks: The crossover network is the real heart of a loudspeaker as it is responsible for perfectly blending together the sound of the various drivers into a musically seamless whole. The sophisticated crossover network design used in the StudioMonitor 65 loudspeaker features premium audiophile-grade components; such as oversized inductors and Mylar capacitors for audiophile-grade sound quality, with linear phase and frequency response. An integrated Zobel network flattens the impedance of the system so that even budget amplifiers will be able to drive the StudioMonitor 65 loudspeaker (although a premium amplifier will bring out all the performance it has to offer). As a result, the audio signal's phase coherence, transient response, and dynamic integrity is preserved for absolutely lifelike music and home theater reproduction in your home.

Enclosure Design

Non-Resonant/Low-Diffraction Cabinet: The Definitive Technology StudioMonitor 65 bookshelf loudspeaker employs a non-resonant MDF braced enclosure that ensures pure, uncolored performance. The specially contoured high-gloss baffle around the drivers and the tapered enclosure sides enhance sound quality by minimizing diffraction distortion.

Connections

Bi-amp/Bi-wire Binding Posts: Each StudioMonitor 65 bookshelf loudspeaker has two sets of heavy-duty, all metal binding post speaker terminals (connected by metal jumpers) to attach your receiver's speaker wire. Using the dual binding posts, you can bi-amp or bi-wire the speakers for even better sound. The binding post speaker terminals will accept bare wire (up to 10AWG), pin-connectors, spade-connectors, and banana-plugs (single only).

Color-Coded: The speaker's binding posts are color-coded (red/black) for easy identification between positive and negative.

Mounting Options

Table-Top Mounting: The StudioMonitor 65 loudspeaker can be simply placed on a bookshelf, table-top, or speaker stand (such as the Definitive Technology StudioStand, sold separately ). Four self-adhesive rubber feet are included to protect your furniture's surface.

Wall Mounting: The optional PinPoint heavy duty side-grip wall-mounting bracket (121AM40B, sold separately) can be used to wall mount the speaker.

Note: The speaker does not include any type of wall-mount bracket, threaded inserts, or keyhole slots.

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.

Definitive Technology StudioMonitor 65 Reviews

Average Customer Review:

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Don't be afraid!!

Written By Timmy, Memphis on Wednesday, April 02, 2014

Crutchfield Customer Review (What's this?)

I have been putting off upgrading my front speakers for 20 years. I have a pair of 89 model Advent Legacy II's that have been living in a 5.1 world. I bought those Advents(before home theater) because of the bass and that's why I couldn't let them go!! The Def Tech's are killing it. I'm hearing things that I have never heard before. If you are an old school person that likes BIG speakers don't be afraid to go to the Def Tech World!!! I'm pushing them with a 2011 Sony ES 5600, it takes all she's got in 5.1 but they sound awesome. Two channel for music is incredible. I'm thrilled with the purchase!!!

Pros: Size and clarity

Cons: If you like to listen to concert DVD's as loud as the concert was you can bottom out the drivers. But I mean LOUD!! Don't let this con scare you!!

Great Choice

Written By mdog, Kansas City on Saturday, November 09, 2013

Crutchfield Customer Review (What's this?)

Clean sound. Great highs and mid range. I have them connected to my TV with a NAD 356 amp and the clarity of sound is awesome. My ears are 70 years old so I needed some help and got that from these speakers.

Pros: Clean, Crisp, Good Highs and Mid Range

Cons: Not as much base as I wanted but really didn't expect it from 5 1/4" woofers. I will probably add a Sub-Woofer and that will completely make this system awesome!

Definitive Technology StudioMonitor 65

Written By Anonymous, Alexandria LA on Sunday, September 01, 2013

Crutchfield Customer Review (What's this?)

Clear sound. Sound enclosed and needed more break in time.

Pros: Clean sound and solid construction. When compared to McIntosh, it sounded harsh and sound is not open. Perhaps the wires and the speakers needed more break in before one can really judge the sound quality.

Cons: Sound too enclosed

Great sound-need lots of power

Written By leest, Oxnard Ca on Tuesday, May 14, 2013

Crutchfield Customer Review (What's this?)

Speakers are compact, easy to place. Excellent bass. Stereo imaging is good. I tried running them with my Sony DA5700ES (allegedly 130 watts/channel) going thru the crossover on my Pro Sub 800. Not nearly enough power. Sound fine through my old Hafler 500. The Pro Center 2000 matches them we;;

Pros: Good sound, good price. Lots of bass

Cons: Need more power than most AV receivers can deliver

good luck finding a better speaker for the money

Written By B Hans, Dallas on Monday, April 22, 2013

Crutchfield Customer Review (What's this?)

I used the StudioMonitor 65s as my front speakers in the media room of a new house that had cabinets built for bookshelf speakers. I chose the Def Techs after listening to dozens of speakers. I was drawn to them for thier balanced sound and ability to play loudly without distortion. They lack the harshness of some brands. Some may describe the harsh sounds as crisp, but I found that many "crisp" speakers distorted the human voice, especially male voices, to the point of hurting my ears. I would put the sound of the StudioMonitor speakers on par with the mid-level Martin Logan speakers, but the Martin Logan speakers cost about 50% more. The speakers have a significant amount of bass, but you will still need a subwoofer for room-shaking bass levels.

Pros: play loudly, balanced sound

Cons: depth of speaker cabinet may limit placement

Fantastic

Written By Brian S, Metro Boston, MA on Monday, March 25, 2013

Crutchfield Customer Review (What's this?)

I was looking for a set of smallish speakers for my smallish home office. After reading some good reviews about the Definitive Technology StudioMonitor 65, I wanted to go to my local Definitive Technology dealer to audition a pair. I was very surprised to learn that I couldn't find one in the Boston area that not one carried them. I did find a local dealer carry the 55 and 45 siblings, but they for some reason could not even special order the 65's. I was able to audition a pair of 55's paired up with a SuperCube 4000 and was impressed. Crutchfield had the 65's in stock that included 2-day free shipping. Two days later, they were delivered as promised. I have had them now for almost three weeks, and I absolutely LOVE these speakers. I have them paired with a SuperCube 6,000, and the sound experience is fantastic for both 2 channel stereo and 5.1 surround for movies. The dynamic range is impressive with crisp and detailed highs and tight bass response. The build quality is top notch with huge bi-amp ready binding posts. You really can't beat the performance of the StudioMonitor 65s for the price.

I have several other Definitive Technology speaker systems, and have been very happy with price, performance and build quality of all of them.

Pros: Reference quality sound with crisp and detailed highs and tight bass response.

Cons: None that I have found.

Amazing

Written By Chatte, Birmingham AL on Sunday, March 17, 2013

Crutchfield Customer Review (What's this?)

Tremendouss performance. I was considering a floor standing speaker such as the Definitive Technology Mythos series and then decided to go with these paired with a couple of ProSub1000 subwoofers. The performance is phenomenal powered by Peaxhtree 220 and Peachtree Nova Pre. My CDplayer is a NAD C565BEE. I have an old Panasonic SL N-15 turntable and a JVC TDW 534 cassette player. My music from 8 decades and 2 continents sounds magnificent. The sound of these speakers leaves little to be desired.

Great sound - great value

Written By Bob, White Plains, NY on Friday, February 08, 2013

Crutchfield Customer Review (What's this?)

Purchased 2 - Studio Monitor 65, 2 - Studio Monitor 45 a CS8040HD and the SuperCube 6000 - receiver is an Onkyo TX-NR809. S/W with DefTech and they said 45's are good choice if rear/surround are just used mostly for movies.

65's are fabulous (as is whole system) - great bass and could be used without a sub-woofer. Excellent crisp sound. Normally use the 65's (with sub) in stereo mode for music, very impressed and great value!

Pros: strong bass, great sound and value

Cons: None

Solid Small Speaker

Written By Ajarjay, Riverdale, UT on Monday, June 04, 2012

I have these wall mounted with two supercube I's to fill in the bass. These are the biggest speakers I was able to get mounted to the wall. All the punch and volume of towers without the footprint and child tipover liability. Excellent sounding speakers but fairly expensive. I think this is a better route than buying towers with built in subs.

Pros: Lots of volume and power handling, excellent sound, full midrange, loud crisp highs, high quality crossovers. All the full tower sound, able to mounted on the wall, (just barely).

Cons: More expensive than many other bookshelf speakers that will likely cover most people volume needs just fine. Requires serious amp power to reach full potential, (250 watts RMS per email from Definitive Technology).

These things ROCK!

Written By Steve S., Allentoen, NJ on Wednesday, April 25, 2012

Crutchfield Customer Review (What's this?)

I can't believe the sound that comes out of these speakers! Despite their small stature, they sound 100% percent better than the floor standing Paradigm Monitor 5 that they replaced!!! Detail and clarity like I have never heard before from such a small footprint. An engineering triumph!!

Get everything you’ll need to enjoy your new Definitive Technology StudioMonitor 65

You'll need speaker wire to connect your speakers to your amp or receiver. No wire is included with this speaker.
Add connectors to your bulk speaker wire for a neater, easier, and more reliable installation.
Cut your speaker wire to the exact length you need.
Get your speakers off the floor and at ear level where they are meant to be.
Mount your speakers safely on the wall.
Original Monster Cable

Original Monster Cable

With gold pin connectors (15-foot pair)

Item #: 119OMC1515

(36)

$39.99
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Monster Cable SuperFlat™ Mini

Monster Cable SuperFlat™ Mini

Decor-friendly speaker cable with gold pin connectors (50-foot spool)

Item #: 119SFLM50

(25)

$34.95
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AudioQuest Type 4

AudioQuest Type 4

Speaker cables with pre-attached banana connectors (10-foot pair)

Item #: 703T410BFS

(22)

$248.99
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AudioQuest Rocket 33

AudioQuest Rocket 33

Bi-wire speaker cables with pre-attached banana plugs (10-foot pair)

Item #: 703R33BW10

(11)

$328.99
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Monster crimp-on mini bananas

Monster crimp-on mini bananas

1 pair, 16-gauge

Item #: 119MTMB

(5)

Monster crimp-on banana connectors

Monster crimp-on banana connectors

1 pair, 12-gauge

Item #: 119MTRB

(4)

Monster Twist-on Mini Banana Connectors

Monster Twist-on Mini Banana Connectors

2 pair, 16-gauge

Item #: 119MTTMH2

(11)

$11.95
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Monster Twist-on Banana Connectors

Monster Twist-on Banana Connectors

2 pair, 12-gauge

Item #: 119MTTRH2

(4)

$15.95
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Monster Cable Twist-on Angled Gold Pins

Monster Cable Twist-on Angled Gold Pins

4 pair, 12-gauge

Item #: 119AGPTRH2

(9)

$13.95
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AudioQuest X2 Speaker Cable

AudioQuest X2 Speaker Cable

14-gauge cable, connectors optional (30 feet, Gray)

Item #: 703X230G

(27)

$58.99
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AudioQuest G2 Speaker Cable

AudioQuest G2 Speaker Cable

16-gauge cable, connectors optional (30 feet, Gray)

Item #: 703G230G

(19)

$38.99
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Definitive Technology StudioMonitor Stand

Definitive Technology StudioMonitor Stand

StudioMonitor all-metal speaker stands

Item #: 735SMSTND

(9)

$150.00
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Pinpoint AM-41

Pinpoint AM-41

Side-clamping speaker wall mounts

Item #: 121AM41B

(2)

$89.99
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IsoAcoustics ISO-L8R155 Monitor Stands

IsoAcoustics ISO-L8R155 Monitor Stands

Supports medium speakers

Item #: 892L8R155

(1)

$99.99
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