Boss TU-3 Chromatic Tuner Pedal
The Boss TU-3 is a chromatic tuner that works well with both guitars and bass guitars. It features modes for bass and guitar (organized by the number of strings, so it works adeptly with 7 string guitars and 6 string basses), chromatic tuning, and flat tuning. It can also power up to seven Boss pedals.
TU-3 Features
- 21-segment LED meter with brightness control
- High-Brightness mode enhances meter visibility outdoors
- Accurate to +/- one cent
- 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 seven BOSS compact effect pedals
- BOSS five-year warranty
- Tuning Range: C0 (16.35Hz)–C8 (4186Hz)
- Reference Pitch: A4=436–445 Hz (1Hz step)
- Tuning Accuracy: ±1 cent
- Power Supply: DC 9 V: Dry battery 6F22 (9 V) type (carbon), Dry battery 6LR61 (9 V) type (alkaline), AC Adaptor
- Current Draw: 30 mA (DC 9 V), 85 mA (DC 9 V, when High Brightness mode is on)
- Width: 73 mm, 2-7/8 inches
- Depth: 129 mm, 5-1/8 inches
- Height: 59 mm, 2-3/8 inches
- Weight: 390 g, 0 lbs. 14 oz.
Boss TU-3 Chromatic Tuner Pedal Reviews
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