Overview The world’s top-selling stage tuner, the BOSS TU-2, evolves and improves with the debut of the new TU-3. Housed in a tank-tough BOSS stompbox body, the TU-3 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, 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 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
Specifications Tuning Range: C0 (16.35 Hz)--C8 (4,186 Hz) Reference Pitch: A4 = 436--445 Hz (1 Hz step) Tuning Accuracy: +/- 1 cent Modes: Chromatic;
Chromatic flat x2;
Guitar;
Guitar flat x2;
Bass;
Bass flat x3 Display mode: Cent mode;
Stream mode Power Supply: Carbon-zinc battery (9V, 6F22) or Alkaline battery (9V, 6LR61);
AC adaptor (sold separately) Bypass: Buffered bypass Controls: Pedal switch;
MODE button;
STREAM/CENT button Nominal Input Level: -20 dBu Input Impedance: 1 M ohm Nominal Output Level: -20 dBu Output Impedance: 1 k ohm Recommended Load Impedance: 10 k ohms or greater Indicator: CHECK indicator (Serves also as battery check indicator) Connectors: INPUT jack;
OUTPUT jack;
BYPASS jack;
DC IN jack;
DC OUT jack Current Draw: 30 mA (DC 9 V);
85 mA (DC 9 V, when High Brightness mode is on) Expected battery life under continuous use: Carbon: Approx. 12.0 hours;
Alkaline: Approx. 23.5 hours;
*These figures will vary depending on the actual conditions of use. Accessories: Owner's Manual;
Leaflet ("USING THE UNIT SAFELY," "IMPORTANT NOTE," and "Information");
Carbon-zinc battery (9V, 6F22) Options (sold separately): AC adaptor: PSA series;
Parallel DC cord: PCS-20A(DC Plug x8) Width: 73 mm;
2-7/8 inches Depth: 129 mm;
5-1/8 inches Height: 59 mm;
2-3/8 inches Weight (including battery): 390 g;
14 oz
