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Boss TU-3 Chromatic Pedal Tuner   

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One of the world's top-selling stage tuners, the BOSS TU-2, has evolved and improved into the TU-3 pedal tuner. Housed in a tank-tough BOSS stompbox ...Read More

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OVERVIEW

Provides easy-to-read tuning with a display made to be visible in dark or bright conditions.

One of the world's top-selling stage tuners, the BOSS TU-2, has evolved and improved into the TU-3 pedal tuner. Housed in a tank-tough BOSS stompbox body, the TU-3 chromatic tuner features a smooth 21-segment LED meter with a High-Brightness mode that cuts through the harshest outdoor glare. Choose between Chromatic or Guitar/Bass tuning modes. Accu-Pitch Sign gives you pinpoint visual verification that tuning is complete. The BOSS TU-3 tuner incorporates a convenient Note Name Indicator that can display notes of 7-string guitars and 6-string basses, while the Flat-Tuning mode can support up to 6 half-steps. It's the kind of instrument pedal tuner that no performing guitarist or bass player should be without.

FEATURES
  • 21-segment LED meter with brightness control
  • High-Brightness mode enhances meter visibility outdoors
  • Accu-Pitch Sign function provides visual verification when tuning is complete
  • Chromatic and Guitar/Bass mode (tune by string number, with support for 7-string guitars and 6-string basses)
  • Flat tuning is supported with Guitar Flat mode, which allows for drop tunings up to 6 semitones below standard pitch
  • Signal is automatically muted when the tuner is on
  • Supplies power for up to 7 BOSS compact effect pedals (with optional PCS-20A Cable)
  • Accessories:
  • Owner's Manual
  • Leaflet ("USING THE UNIT SAFELY," "IMPORTANT NOTES," and "Information")

Get in tune, quick, easy, and accurately with the BOSS pedal tuner. Order one today.

SPECIFICATIONS

TU-3 Chromatic Pedal Tuner

  • Tuning Range: C0 (16.35Hz) -C8 (4186Hz)
    Reference Pitch: A4=436-445Hz (1Hz step)
    Tuning Accuracy: ±1 cent
    Power Supply: DC 9V: Dry battery 6F22 (9V) type (carbon), Dry battery 6LR61 (9V) type (alkaline), AC Adaptor
    Current Draw: 30 mA (DC 9V), 85mA (DC 9V, when High Brightness mode is on)

    Dimensions
    Width: 73 mm, 2-7/8"
    Depth: 129 mm, 5-1/8"
    Height: 59 mm, 2-3/8"
    Weight: 390g, 14 oz.
Reviews
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Review Snapshot

by PowerReviews
BossTU-3 Chromatic Pedal Tuner
 
4.9

(based on 72 reviews)

Ratings Distribution

  • 5 Stars

     

    (64)

  • 4 Stars

     

    (7)

  • 3 Stars

     

    (1)

  • 2 Stars

     

    (0)

  • 1 Stars

     

    (0)

98%

of respondents would recommend this to a friend.

Pros

  • Easy to use (31)
  • Good quality (30)
  • Functional (27)
  • Compact (10)
  • Improves sound (9)

Cons

No Cons

Best Uses

  • Practicing (26)
  • Concerts (24)
  • Back-up (7)
  • Performances (7)
  • Home studio (6)
    • Reviewer Profile:
    • Experienced (30), Professional musician (13), Novice (3)

Most Liked Positive Review

 

Great for low tones in a bass

Very accurate, I can tune my 5 strings bass down to a low "A" easily. For a low "G" it barely detects the frequency, but still...Read complete review

Very accurate, I can tune my 5 strings bass down to a low "A" easily. For a low "G" it barely detects the frequency, but still useful.
It has two outputs (bypass and output), the second one mutes your sound while tuning your guitar/bass, this is pretty useful also if you want to switch your guitar/bass between songs without turning off your amp. No messy sounds.
I recommend to use the power cable instead of batteries, otherwise you will not be able to finish your concert when the batteries are already drain. One 9v battery is included, the power cable is not included (to bad from boss for such an expensive pedal. I use "One Spot" cable for my TU-3). The battery is pretty easy to replace, no tools needed.
Very strong metal case and rubber bottom for improved traction.
This TU-3 is more accurate than my boss TU-12 (which cannot even detect the low B frequency) and the onboard tuner of my Orange 100BXT amp. I uploaded a comparison to youtube if you wanna watch.
TU-3 is somehow costly, but i strongly recommend saving some money until you can buy this one (for its quality and precision).

VS

Most Liked Negative Review

 

Didn't meet my needs/style.

I'm sure it works well for many people but for me I could ear-tune faster. Unfortunately the return policy is restrictive so I guess I'll keep it and sell it on Craigs.

I'm sure it works well for many people but for me I could ear-tune faster. Unfortunately the return policy is restrictive so I guess I'll keep it and sell it on Craigs.

Reviewed by 72 customers

Displaying reviews 1-10

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5.0

Should have bought this a long time ago

By Dick

from Frog, Texas

About Me Experienced

Verified Buyer

Pros

  • Compact Design
  • Responsive
  • Versatile

Cons

    Best Uses

    • Home Studio

    Comments about Boss TU-3 Chromatic Pedal Tuner:

    Fast, accurate & easy to read.

    Comment on this reviewHelp Icon

     
    5.0

    Yes

    By No name

    from Ga

    About Me Experienced

    Verified Buyer

    Pros

    • Compact Design
    • Responsive
    • Versatile

    Cons

      Best Uses

      • Performances

      Comments about Boss TU-3 Chromatic Pedal Tuner:

      Great little tuner.

      Comment on this reviewHelp Icon

       
      5.0

      Love It

      By Rodeo

      from Idaho

      About Me Professional Musician

      Ask me a question

      Verified Reviewer

      Pros

      • Compact Design
      • Excellent Sound Quality
      • Good Selection Of Effects
      • Responsive
      • Versatile

      Cons

        Best Uses

        • Amateur Recording
        • Events
        • Home Studio
        • Performances
        • Professional Recording
        • Touring

        Comments about Boss TU-3 Chromatic Pedal Tuner:

        Most important pedal on my board.

        Comment on this reviewHelp Icon

         
        5.0

        Great Product

        By Critter

        from Wisconsin

        About Me Experienced

        Verified Buyer

        Pros

        • Compact Design
        • Responsive
        • Versatile

        Cons

          Best Uses

          • Home Studio
          • Performances

          Comments about Boss TU-3 Chromatic Pedal Tuner:

          It does exactly what it is meant to do!

          Comment on this reviewHelp Icon

           
          5.0

          Tune me up and turn it down while tuning

          By Daniel

          from undisclosed

          Verified Buyer

          Comments about TU-3 Chromatic Pedal Tuner:

          Just getting into using pedals with my bass. Can't believe i lived without this pedal tuner before. Awesome. Who wants to hear tuning? And now i tune way more often.

          Comment on this reviewHelp Icon

           
          5.0

          Quick easy tuning

          By Daniel

          from undisclosed

          Verified Buyer

          Comments about Boss TU-3 Chromatic Pedal Tuner:

          I've been using a tuner off my amp and would have to turn down, tune, turn up every time. Should have got this years ago. Works great on my bass. It's so easy that i tune up way more often now.

          Comment on this reviewHelp Icon

          (0 of 6 customers found this review helpful)

           
          3.0

          Didn't meet my needs/style.

          By BT

          from Bellingham, Washington

          About Me Experienced

          Verified Buyer

          Pros

          • Compact Design

          Cons

          • Not Responsive

          Best Uses

            Comments about Boss TU-3 Chromatic Pedal Tuner:

            I'm sure it works well for many people but for me I could ear-tune faster. Unfortunately the return policy is restrictive so I guess I'll keep it and sell it on Craigs.

            Comment on this reviewHelp Icon

             
            5.0

            Excellent chromatic tuner. Well lit and accurate.

            By Fred

            from Kansas City

            About Me Professional Musician

            Verified Buyer

            Pros

            • Accurate
            • Compact Design
            • Versatile

            Cons

            • Functions best with 110 volt adaptor

            Best Uses

            • Events
            • Performances
            • Professional Recording

            Comments about Boss TU-3 Chromatic Pedal Tuner:

            I have two of these, one for home studio and another for performances. Best tuner I have ever used for steel guitar.

            Comment on this reviewHelp Icon

            (1 of 1 customers found this review helpful)

             
            5.0

            Works great!

            By Jimi Hendrix

            from Cali

            About Me Experienced

            Verified Buyer

            Pros

            • Compact Design
            • Great Brand

            Cons

              Best Uses

              • Staying in tune!

              Comments about Boss TU-3 Chromatic Pedal Tuner:

              Could not tune up with a clip on tuner while the others are still playing, too much vibration in the room, this solves that problem.

              Comment on this reviewHelp Icon

               
              5.0

              No excuse not to have one.

              By MichaelJarrae

              from New York

              About Me Experienced

              Verified Buyer

              Pros

              • accurate
              • Bright
              • Compact Design
              • Flexible
              • Solid
              • Versatile

              Cons

                Best Uses

                • Performances
                • Practice

                Comments about Boss TU-3 Chromatic Pedal Tuner:

                This is the tuner pedal that covers all bases. It just works, and sometimes that's just what you need from a piece of gear. The brightness switch is great, the pedal is accurate, and its string/chromatic selector, along with the detuning flexibility leaves no reason not to own this.
                I use it for Bass primarily, and its great knowing that I could bring this to ANY gig situation from pop to metal, bass to guitar.
                One pedal, a Hundred different gigs, rock solid and accurate.

                Comment on this reviewHelp Icon

                Displaying reviews 1-10

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