1 / 7BOSS TU-3 Compact Chromatic Tuner Pedal
Pedal: The BOSS TU-3 is a compact chromatic floor tuner for guitar and bass, with a 21-segment LED meter and automatic signal muting while the tuner is on. Its listed tuning modes also support extended-range instruments and flat tuning, while brightness adjustment helps adapt the display to different stages.
At a glance
- Adjustable 21-segment LED meter includes a High-Brightness mode for outdoor visibility.
- Accu-Pitch Sign provides visual confirmation when tuning is complete.
- Chromatic and Guitar/Bass modes support tuning by string number, including 7-string guitars and 6-string basses.
- Guitar Flat mode supports drop tunings up to six semitones below standard pitch.
- The tuner automatically mutes the signal while it is on.
- Can supply power to up to seven BOSS compact effect pedals through a daisy-chain connection.
Often bought together
Pros and cons
Pros
- Automatic muting allows silent tuning during performances.
- Meter brightness adjustment and a High-Brightness mode are useful for changing lighting conditions.
- Multiple tuning modes cover chromatic tuning, string-number tuning and flat tuning.
- The listing claims tuning accuracy of +/- one cent.
Technical specifications
10 specifications| Brand | BOSS |
|---|---|
| Model | TU-3 |
| Power configuration | Corded Electric |
|---|
| Dimensions listed | 4 x 3 x 6 inches |
|---|---|
| Weight listed | 390 g |
| Tuning accuracy | +/- one cent |
|---|---|
| Display | 21-segment LED meter |
| Supported modes | Chromatic and Guitar/Bass mode |
| Extended-range support | 7-string guitars and 6-string basses |
| Flat tuning range | up to six semitones below standard pitch |
Who is it for?
Customer reviews on Amazon
- 5 stars
88% 88% - 4 stars
8% 8% - 3 stars
2% 2% - 2 stars
0% 0% - 1 star
2% 2%
Customer feedback describes the tuner as easy to use and read, and praises its tuning performance and durable feel. Those impressions fit its adjustable 21-segment display, stated tuning accuracy and stompbox format, which may matter during practice and live use. Aggregate ratings are strongly positive overall, though ratings alone do not explain individual experiences.
Positive themes
- Customers report that it works well and is easy to use.
- Feedback praises the display's readability and the pedal's durability.
- Customers value its features for practice and live shows.
Frequently asked questions
Does the BOSS TU-3 mute the instrument signal?
Yes. The listing says the tuner automatically mutes the signal while the tuner is on, allowing silent tuning.
Can the TU-3 tune extended-range instruments?
The listed Guitar/Bass mode supports 7-string guitars and 6-string basses.
How far can it tune below standard pitch?
Guitar Flat mode supports drop tunings up to six semitones below standard pitch.
Can the TU-3 power other pedals?
The listing says it can supply power to up to seven BOSS compact effect pedals through a daisy-chain connection.
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