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Manufacturer's ID: TU3
What we say:
BOSS's perennial favourite tuner, the TU-3, is the latest incarnation of a unit that has been the fundamental centre of thousands of rigs over the last few decades.
Apart form accuracy (this one is within one cent), there isn't much you need a tuner to have but there are a few important features. Visibility is one and the TU-3 gives you a strong visual reference with a 21 segment LED that can be super-bright (you can dial that back if it's too much!) and easy to work with on a dark stage.
Other useful features include modes for Guitar and Bass, (including 7 string guitars and 6 string basses), modes for drop tunings by the semi-tone, an automatic signal mute when the pedal is engaged and, rather excellently, it behaves like a power supply for other pedals if used with a PSA power supply and daisy chain. Much more, then, than just a great tuner.
SpecificationChoose between Chromatic or Guitar/Bass tuning modes, and enjoy visual pinpoint tuning verification with the Accu-Pitch Sign function. The TU-3 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 six half-steps. It’s the new-standard tuner that no guitarist or bass player should be without!
- 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 six semitones below standard pitch
- Tuner automatically mutes when the tuner is on
- Supplies power for up to 7 BOSS compact effect pedals