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Korg CA-40 Electronic Chromatic Tuner 

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The Korg CA-40 Electronic Chromatic Tuner has wide range that covers A0 (27.50 Hz) - C8 (4186.01 Hz), you can tune a variety of instruments with the ...Click To Read More About This Product

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OVERVIEW

Superior features include a large, easy-to-read, LCD needle-style display.

The Korg CA-40 Electronic Chromatic Tuner has wide range that covers A0 (27.50 Hz) - C8 (4186.01 Hz), you can tune a variety of instruments with the Korg CA-40, including wind, string, and keyboard instruments. The pitch and range are detected quickly and accurately. You can use the built-in high-sensitivity microphone to detect the pitch of an acoustic instrument without the need for any other equipment. Alternatively, you can use the separately sold CM-100 contact microphone to send the vibration of the instrument directly to the tuner, so that you can tune accurately without worrying about other sounds in the environment. An output jack (bypass) has been added to this digital tuner, making it easy to check the tuning even while you perform.

Conveniently thin and compact The pocket-sized CA-40 features a refined design with a stand on the back that lets you place this digital tuner on any surface.

Large, high-precision LCD meter
The CA-40's display has been enlarged for even clearer visibility. In addition to providing both the accuracy of an LCD and the easy viewing of a needle-style meter, red and green LEDs are also provided to indicate pitch deviations, making tuning smooth and easy.

Sound Out function
In addition to letting you tune visually using the meter, this digital tuner provides a Sound Out function that plays a reference tone through the internal speaker, allowing you to tune by ear. You can adjust the reference tone in semitone steps over a range of C4 through C5 (one octave) to accommodate a variety of instruments. Since the reference tone you specify is remembered, it's easy to sound it again whenever you need to.

Adjustable Calibration
The Calibration function of this hand held tuner lets you adjust the pitch in 1 Hz steps over a range of 410 - 480 Hz in order to accommodate a variety of concert pitches, giving you the flexibility to tune accurately to any song or key. There's also a memory backup function that preserves the Calibration setting and Sound Out settings even when you turn off the power.

Auto Power Off function
The power of this digital tuner will turn off automatically if the unit is left powered-on for 20 minutes without performing any operation, avoiding unnecessary battery consumption.

Approximately 85 hours of continuous use
The CA-40 is designed for long battery life, and allows approximately 85 hours of continuous use (continuous A4 input, Meter mode, zinc-carbon batteries).

* Even if a sound is within the detectable pitch range, detection may be unsuccessful for instrumental sounds that contain a large number of overtones or decay rapidly.

** The calibration setting and the Sound Out reference pitch are remembered even when you turn off the power. However, when you replace the batteries, these settings will be initialized to the default values; the calibration will return to 440 Hz, and the Sound Out reference pitch will return to A.

Korg digital tuners and metronomes purchased from a Korg USA authorized dealer now have a three year warranty.

FEATURES
  • Wide Detection Range from A0-C8
  • Bypass function
  • Compact Chromatic Tuner, ideal for use with brass band or orchestra
  • Large, High-precision LCD needle-style meter
  • Sound Out function
  • Adjustable Calibration
  • Auto Power Off function
  • Memory Backup function
Reviews
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Review Snapshot

by PowerReviews
KorgCA-40 Electronic Chromatic Tuner
 
4.8

(based on 88 reviews)

Ratings Distribution

  • 5 Stars

     

    (72)

  • 4 Stars

     

    (13)

  • 3 Stars

     

    (2)

  • 2 Stars

     

    (1)

  • 1 Stars

     

    (0)

94%

of respondents would recommend this to a friend.

Pros

  • Easy to use (46)
  • Functional (44)
  • Good quality (44)
  • Improves sound (17)

Cons

No Cons

Best Uses

  • Practicing (39)
  • Concerts (16)
  • Back-up (10)
    • Reviewer Profile:
    • Experienced (20), Novice (19), Professional musician (11)

Most Liked Positive Review

 

Small, simple, and reliable

This tuner does was it's supposed to do, and has never given me any problems. Tuning accuracy is very good, through either the 1/4" jack or the built-in mic. After a...Read complete review

This tuner does was it's supposed to do, and has never given me any problems. Tuning accuracy is very good, through either the 1/4" jack or the built-in mic. After a tune-up with this guy I'm always precisely in tune. There are no fancy features, but it does what it does well. It's also small, easy-to-read (even in the dark), and very easy to understand. I've used it daily, and still haven't had to replace the batteries.

The price is reasonable, and this tuner does what it's designed to: tune your instrument. I recommend it; it's a good buy for the price.

VS

Most Liked Negative Review

 

Second One in 5 Years

This is an easy to use tuner. However it did not last with very infrequent use. Purchased to use as tuner for lap steel guitar that requires temper tuning. Never went through the...Read complete review

This is an easy to use tuner. However it did not last with very infrequent use. Purchased to use as tuner for lap steel guitar that requires temper tuning. Never went through the original set of batteries. Is good for inexpensive tuner for temper tuning.

Reviewed by 88 customers

Displaying reviews 1-10

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5.0

All good

By Jahosafat

from Santa Cruz

About Me Novice

Verified Buyer

Pros

  • Easy To Use
  • Functional
  • Good Quality

Cons

    Best Uses

    • Practicing

    Comments about Korg CA-40 Electronic Chromatic Tuner:

    Does what it's supposed to

     
    4.0

    Excellent for a beginner.

    By Woody

    from Santa Fe, NM

    About Me Novice

    See all my reviews

    Verified Buyer

    Pros

    • Easy To Use
    • Functional
    • Good Quality
    • Improves Sound

    Cons

      Best Uses

      • Practicing

      Comments about Korg CA-40 Electronic Chromatic Tuner:

      Just beginning with a new guitar from you folks.

       
      5.0

      CA-40 Tuner just What I Needed

      By Dan

      from Potland, Oregon

      About Me Experienced

      Verified Buyer

      Pros

      • Easy To Use
      • Functional
      • Good Quality
      • Improves Sound

      Cons

        Best Uses

        • Backup
        • Practicing

        Comments about Korg CA-40 Electronic Chromatic Tuner:

        Great Price

         
        5.0

        Christmas gift

        By Ron

        from PA

        About Me Novice

        See all my reviews

        Verified Buyer

        Pros

        • Easy To Use
        • Functional
        • Good Quality
        • Improves Sound

        Cons

          Best Uses

          • Practicing

          Comments about Korg CA-40 Electronic Chromatic Tuner:

          My daughter loves it.

           
          5.0

          GREAT LITTLE TUNER!

          By Thump54

          from Chicago,Il

          About Me Professional Musician

          See all my reviews

          Ask me a question

          Verified Buyer

          Pros

          • Easy To Use
          • Functional
          • Good Quality
          • Improves Sound

          Cons

            Best Uses

            • Backup
            • Concerts
            • Practicing

            Comments about Korg CA-40 Electronic Chromatic Tuner:

            I have had more expensive and fancy tuners but I stick with this one because it's reliable, easy to read and easy to switch for alternate tunings. I have read where some have complained about the needle jumping around. To those people I say change your batteries as they don't last forever and when the needle starts jumping around it is time for a battery change. I have been playing for years and I swear by this tuner. It isn't fancy. It could use some back lighting but it is functional and reliable. I have had tuners that cost me a whole lot more that did a whole lot less. This is a reasonable reliable tuner! Also fine for a 5 string bass. Reads the low "B" just fine!

             
            5.0

            All I needed!

            By HomeGMan

            from Battle Lake, MN

            About Me Experienced

            See all my reviews

            Verified Buyer

            Pros

            • Easy To Use
            • Functional
            • Good Quality
            • Improves Sound
            • Right Price

            Cons

              Best Uses

              • At-Home Tuning
              • Concerts
              • Practicing

              Comments about Korg CA-40 Electronic Chromatic Tuner:

              I considered the Korg OT-120, but thought I would try this model first. I was able to tune all but the top five notes on my piano at home, but could match pitch with the lower octave and get a reading. Worked FAR better than my old tuner to get my piano spot on.
              Being able to change Hz range with the calibration buttons is a real bonus compared to my old tuner as well, as I have matched guitar sounds to a number of pieces that I had to do solely by ear before.
              When I wanted to go beyond the initial purpose, the instructions were clear.
              Very happy with this purchase.

               
              5.0

              Works for me

              By Crichmond

              from Colorado

              About Me Novice

              Verified Buyer

              Pros

              • Easy To Use
              • Functional
              • Good Quality
              • Improves Sound

              Cons

                Best Uses

                  Comments about Korg CA-40 Electronic Chromatic Tuner:

                  Works for both electric and acoustic guitars.

                   
                  5.0

                  Definately a keeper

                  By Lane

                  from Cincy,Oh

                  About Me Experienced

                  Pros

                  • Easy To Use
                  • Functional
                  • Good Quality

                  Cons

                    Best Uses

                    • Concerts
                    • Practicing

                    Comments about Korg CA-40 Electronic Chromatic Tuner:

                    A great tuner.It does what I need it to.

                     
                    5.0

                    All purpose tuner, woodwind, string, brass and voice

                    By Buffalo_BiL

                    from New Buffalo, MI

                    About Me Professional Musician

                    See all my reviews

                    Ask me a question

                    Verified Reviewer

                    Pros

                    • Alternate tunings
                    • Easy To Use
                    • Good Quality
                    • Intonation training
                    • On stage performing

                    Cons

                      Best Uses

                      • Concerts
                      • For voice & saxophones
                      • Practicing

                      Comments about Korg CA-40 Electronic Chromatic Tuner:

                      I purchased this for intonation training on saxophone, great! It works for voice too.
                      Then I discovered alternate guitar tunings, fabulous!
                      Also you can plug it inline down with your pedals and see the lights well enough to tune on stage.

                       
                      5.0

                      I will buy again.

                      By SG Player

                      from Missouri

                      About Me Experienced

                      See all my reviews

                      Ask me a question

                      Verified Reviewer

                      Pros

                      • Easy To Use
                      • Functional
                      • Good Quality

                      Cons

                        Best Uses

                        • Backup
                        • Practicing
                        • Set up

                        Comments about Korg CA-40 Electronic Chromatic Tuner:

                        Excellent tuner. I use it when setting intonation on my guitars. Very accurate.

                        Displaying reviews 1-10

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