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MF MD HG Clearance Blowout 10-23-14

QSC K12 12" Powered PA Speaker  

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Product #581518
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Overview
  • 1,000 watt, efficient and lightweight Class D power module
  • Lightweight (41 lb.)
  • Professional appearance and rugged construction
Description & Specs
  • MSRP:
    $999.00
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    - $199.01
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    $79999
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QSC

Amazingly powerful output and killer sound in a compact cab.

The QSC K12 is a 12" 2-way PA speaker system boasting a 1,000W Class D power module and ~75° horizontal and vertical coverage. Low frequencies extend to ~48Hz (-10dB high acoustic output, 131dB peak). This low-frequency extension makes the QSC K12 an ideal choice for music playback and live reinforcement of instruments, especially in venues where more directional speakers are needed. Equally at home in the role of stage monitor, the QSC K12 speaker enclosure has an angled side for use as a low-profile, horizontal wedge and a flat side for proper side-fill use.

QSC's K12 PA Speaker features a 1-3/4" HF device in its 2-way enclosure. The primary differentiator in K Series speakers is the resulting output dispersion—the K8 being the widest at 105° and the K12 the narrowest at 75°. This radical approach is achievable due to a process called Directivity Matched Transition (DMT). DMT allows QSC to take advantage of a fundamental law of acoustics: smaller diameter woofers have wider coverage patterns than larger ones. The K Series matches the HF device to the LF dispersion, allowing for the smoothest and flattest frequency response possible across the entire sound field.

Add to this advanced DSP processing and an enclosure molded from ABS—a material far more rugged and sonically pleasing than conventional plastics—and the QSC K12 delivers exceptional performance in this category of loudspeakers.

Several proprietary QSC DSP technologies are incorporated into the K Series. One such technology is Digital Extension and Excursion Processing (DEEP). DEEP allows each of the K Series models to deliver levels of low-frequency extension previously impossible in enclosures of this size. Intrinsic Correction, first featured in QSC line-array technology, use dozens of spatially averaged measurements mapped to the processor to deliver smooth and accurate reproduction across the entire sound field.

Preventing amplifier clipping or overload is QSC's proprietary GuardRail technology. GuardRail closely monitors the input voltage and controls the amplifier output stage before the onset of clipping. Unlike typical clip limiters, when GuardRail is activated, the results are all but undetectable—there's none of the typical "pumping" associated with other methods. In addition, user EQ controls are provided to select between subwoofer settings (EXTSUB, VOCAL, or FLAT response).

The K12 speaker boasts other user-friendly features. For example, when the speaker is pole-mounted, the Tilt-Direct pole socket converts to a 7.5° down-tilt with a simple 180° rotation of the dial. A locking IEC power cord is included, preventing accidental disconnect during a performance. For installed applications, connecting a commonly available potentiometer to the unit's Euroblock connector allows the operator to have gain control from a remote location. Multiple K Series units can be daisy-chained together to one centralized control. Additionally, the K Series enters Standby mode after 5 minutes of inactivity, conserving power.

The entire QSC K12 package is housed in rugged and sonically friendly ABS (the sub in birch plywood) with steel grilles and easy-carry ergonomic aluminum handles.

Processing, Connectivity & Monitoring

The brain of the system is its expansive digital signal processing. While the DSP functions are optimized using Intrinsic Correction, DEEP, DMT, and GuardRail technologies (with the high-pass filter included for use with subwoofer systems), two XLR-combi inputs, each with its own Level control, are provided. Both accommodate line-level inputs and one may be switched to microphone level sensitivity. Phono (RCA) input jacks are also included for connection of consumer electronics sources. Dual XLR outputs are provided for dual "loop-thru" XLR/M connectors and a single XLR jack is available as a summed output. All 3 input sources may be used at once and mixed via the 2 Gain control knobs.

Input Panel LED indicators are provided for Power, Signal Present, Mic Level Sensitivity, and Limit annunciation. A front-mounted power LED may be disabled by means of a
rear-panel switch when desired or set so it indicates when the limit circuitry has been engaged.

Waveguide

Each K model incorporates a conical waveguide that maintains pattern control all the way down to the crossover frequency. The coverage angles of the waveguides are tailored for a smooth transition from woofer to compression driver with far less "waistbanding" or other directivity related anomalies than other products in this class.

Suspension and Mounting

The K12 2-way PA speaker may be pole-mounted, suspended, or yoke-mounted. The K12 yoke accessory kit (not included) allows for either horizontal or vertical yoke mounting, providing a flexible means of attaching K Series loudspeakers to a building structure or truss. When suspended deployment is required, M10 threaded inserts support vertical or horizontal suspension, while the integral polemount socket accommodates 35mm speaker poles for use on a speaker stand or over a sub. The pole socket is designed so that the speaker may be angled down 7.5° in order to cover the audience while keeping acoustic energy off reflective walls and ceilings.

Features
  • 1,000 watt, efficient and lightweight Class D power module
  • Lightweight (41 lb.)
  • Professional appearance and rugged construction
  • Directivity Matched Transition (DMT) and Intrinsic Correction DSP tuning for accurate, undistorted performance across the entire sound field
  • GuardRail technology discreetly protects the system from damaging overload
  • DEEP mode for enhanced low-frequency extension without a subwoofer
  • Locking IEC power cable
  • XLR and 1/4" connectors
  • Phone mic/line and line inputs with loop-thru connectors and independent level controls.
  • Phono (RCA) inputs
  • Three 2-way models—each with coverage pattern optimized to match the LF driver
  • Front mounted LED may be switched off or indicate "LIMIT" or AC Power On
  • Dual-angle, 35mm pole socket with Tilt-Direct allows the speaker to be angled down to put the energy on the audience instead of the back wall
  • 1-3/4" voice-coil compression driver
  • High-pass filter for use with subwoofers

Order now & put the K12's power & versatility to work at your next venue.

 

K12 12" Powered PA Speaker Specifications:

  • Amplifier power: 1,000W Class D
  • Transducers: 12" LF, 1-3/4" HF
  • Coverage Pattern: 75° conical
  • Frequency Response: 48Hz–20kHz
  • Max SPL: 131dB
  • Operating Voltage: 85–275 VAC @ 50–60Hz
  • Unit Dimensions: 14" W x 23-7/10" H x 14" D
  • Weight: 41 lb.
Customer Reviews
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Review Snapshot®

by PowerReviews
QSCK12 12" Powered PA Speaker
 
4.6

(based on 27 reviews)

Ratings Distribution

  • 5 Stars

     

    (23)

  • 4 Stars

     

    (0)

  • 3 Stars

     

    (2)

  • 2 Stars

     

    (2)

  • 1 Stars

     

    (0)

100%

of respondents would recommend this to a friend.

Pros

  • Good audio (11)
  • Durable (10)
  • Compact (8)
  • Easy to use (7)
  • Lightweight (7)

Cons

    Best Uses

    • Outdoor events / games (9)
    • Performances (7)
    • Pro audio / DJ / mixing (5)
    • Home studio (4)
      • Reviewer Profile:
      • Experienced (9)

    Most Liked Positive Review

     

    Surprisingly good for large venue!

    I don't actually own the K12s -- I own the KW122s -- but I went to check out a venue we've been asked to play last night, and there was a single K12...Read complete review

    I don't actually own the K12s -- I own the KW122s -- but I went to check out a venue we've been asked to play last night, and there was a single K12 on top of a K-Sub on each side of the stage, and I was *seriously* impressed at how good the sound was throughout the room. This room was large, certainly more than 100' deep and close to 100' wide, with a ceiling 30'+ high. But the sound was clear, balanced and well dispersed throughout the room, and vocals were clear and easily intelligible even at the back wall (a hallway, actually). I don't regret spending the extra money on the KW122s and KW181, but I can't imagine *anyone* being disappointed by the performance of these cabs. Killer value!
    These are ridiculously good for the price. Take it from someone who spent considerably more for the KW122s.

    VS

    Most Liked Negative Review

     

    xlr cable falls out in wedge position

    4
    really want to love these speakers, but used as wedges on stage, our cables FELL OUT of their combo neutrick jacks due to vibrations. it is a very loose fit. a...Read complete review

    4
    really want to love these speakers, but used as wedges on stage, our cables FELL OUT of their combo neutrick jacks due to vibrations. it is a very loose fit. a little extra, and they could have installed locking connectors. silly place to cut costs. tried to get them fixed, and was met with disbelief, even though others complain of the same problem online. cannot replace w/ locking connectors, as they have a different layout (into the pcb).

    otherwise, they are nice. just stupid that a low priced part makes this such a problem.

    Reviewed by 27 customers

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    (0 of 1 customers found this review helpful)

     
    5.0

    K12

    By Skip

    from Georges Mills, NH

    About Me Experienced

    Ask me a question

    Verified Buyer

    Pros

    • Clear Sound
    • Compact
    • Durable
    • Easy To Use
    • Lightweight
    • Versatile

    Cons

      Best Uses

      • Events
      • Performances

      Comments about QSC K12 12" Powered PA Speaker:

      The K12 speakers are crystal clear and powerfull.
      They rival my TOA 3-ways.

      Comment on this review

      (1 of 1 customers found this review helpful)

       
      5.0

      Awesome!! Great Sound.

      By TMPINC

      from Queens, NY

      About Me Experienced

      Verified Buyer

      Pros

      • Clear Sound
      • Compact
      • Durable
      • Easy To Use
      • Lightweight
      • Versatile

      Cons

        Best Uses

        • Amateur Recording
        • Events
        • Home Studio
        • Mobile DJ
        • Performances
        • Professional Recording

        Comments about QSC K12 12" Powered PA Speaker:

        A bit pricey but well worth it. Can tolerate loud volumes and sound is crystal clear.

        Comment on this review

        (1 of 1 customers found this review helpful)

         
        5.0

        love them alot

        By Vong

        from Shelton ct

        About Me Experienced

        Ask me a question

        Verified Buyer

        Pros

        • Clear Sound
        • Compact
        • Durable
        • Easy To Use
        • Lightweight
        • Versatile

        Cons

          Best Uses

          • Amateur Recording
          • Events
          • Home Studio
          • Mobile DJ

          Comments about QSC K12 12" Powered PA Speaker:

          love them! so clear sound

          Comment on this review

           
          5.0

          Excellent speaker

          By JJ-_1y3E

          from Key West, FL

          About Me Professional Musician

          Verified Buyer

          Pros

          • Clear Sound
          • Compact
          • Durable
          • Very clear sound

          Cons

          • none

          Best Uses

            Comments about QSC K12 12" Powered PA Speaker:

            I use this speaker with my Roland V-Drums. The sound is very clear and powerful with lots of headroom.

            Comment on this review

             
            5.0

            Best 12s i've ever heard

            By Calvin

            from Florida

            About Me Experienced

            Ask me a question

            Verified Buyer

            Pros

            • Clear Sound
            • Compact
            • Durable
            • Easy To Use
            • Lightweight
            • Versatile

            Cons

              Best Uses

              • Events
              • Mobile DJ
              • Performances

              Comments about QSC K12 12" Powered PA Speaker:

              Get these with the protective covers, you wont be disappointed. Money well spent. Good for any type of event, and super loud and clear!

              Comment on this review

              (0 of 1 customers found this review helpful)

               
              5.0

              Love these speakers

              By DJWillieT

              from Washington, DC

              About Me Experienced

              Verified Buyer

              Pros

              • Clear Sound
              • Compact
              • Durable
              • Easy To Use
              • Lightweight
              • Versatile

              Cons

              • none

              Best Uses

              • Events
              • Mobile DJ
              • Performances

              Comments about QSC K12 12" Powered PA Speaker:

              Great sound from a small lightweight speaker!

              Comment on this review

              (1 of 1 customers found this review helpful)

               
              5.0

              Amazing speakers

              By Kish

              from San juan puerto rico

              About Me Experienced

              Verified Buyer

              Pros

              • Clear Sound
              • Durable

              Cons

              • Pricey

              Best Uses

              • Events
              • Home Studio
              • Mobile DJ
              • Performances

              Comments about QSC K12 12" Powered PA Speaker:

              I originally purchased the elx 112p from electro voice they sounded allright, but the amp would shut down after a couple of minutes due to heat, the qsc dont have that issue they have a dedicated fan to cool them down. They are more expensive but in terms of sound quality and build they blow the elx out of the water, simply put you get what you pay for. If your debating between the elx and qsc and can spend the extra cash dont hesitate in picking these up. I waited almost a month from the time ingot the elx and had to return them to get qsc. Def worth the wait.pick up a kw 181 sub and your set to go.

              Comment on this review

              (4 of 4 customers found this review helpful)

               
              5.0

              I would purchase this same unit again.

              By MC

              from Denver, CO

              About Me Experienced

              Verified Buyer

              Pros

              • Clear Sound
              • Compact
              • Durable
              • Easy To Use
              • Lightweight
              • Loud Clear
              • Powerful
              • Versatile

              Cons

              • none

              Best Uses

              • Events
              • Guitar Monitor
              • Home Studio
              • Pa
              • P A
              • Performances
              • Vocal monitor

              Comments about QSC K12 12" Powered PA Speaker:

              QSC is a better value than any other product on the market. It is better sounding and will play louder with more clarity than comparably priced units. The QSC support team is fantastic to work with and will answer your questions 24/7. I own 8 of these units and a complete QSC PA and monitor system for a live rock band.

              Comment on this review

              (5 of 5 customers found this review helpful)

               
              5.0

              Top of the line product

              By Sexy SWAMI VIDYANANDA! - BAD SWAMI

              from Jamaica, New York

              About Me Experienced

              Ask me a question

              Verified Buyer

              Pros

              • Clear Sound
              • Compact
              • Durable
              • Lightweight
              • Versatile
              • Well built quality

              Cons

                Best Uses

                • Events

                Comments about QSC K12 12" Powered PA Speaker:

                the K12 is one of the best product on the market for live sound.
                if you're doing events or party - these are alot better than the JBL.
                If you're doing DJ - you will probably like the JBL a bit better.

                I decided on the QSC over the JBL because of warranty and the more flexible options over the JBL.

                Comment on this review

                (3 of 3 customers found this review helpful)

                 
                5.0

                update "Handle?"

                By charles mohi

                from fort lauderdale

                About Me Professional Musician

                Ask me a question

                Pros

                  Cons

                    Best Uses

                      Comments about QSC K12 12" Powered PA Speaker:

                      It's been over a year and more than 100 gigs since I bought my k12's. No technical problems, (never lost an xlr chord from the back of speaker due to vibration) .
                      The k12's ability to fill any venue has been proven time and again, surprising a few of the "in-house" sound crews of some of the larger venues i've played. However, more than the raw volume,it is the clarity of these speakers that has impressed me most. Because I am using just a mixer (mackie cfx 12 mkii), there are many different instruments and voices that have to be heard. This has been accomplished by using the "vocal boost" and "deep" speaker settings.
                      Yes, the grill is easily dented and I am being very careful now,but the missing side handle hasn't been a problem after all.

                      Comment on this review

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