The BOSS TU-3S Chromatic Tuner takes the trusted reliability of the go-to stompbox tuner of pros everywhere, and scales down the dimensions to a reduced footprint that makes it even more portable than before.
As we've come to expect from the team at BOSS, the TU-3S is built like a tank - a must for those on the road. BOSS are so confident in the unit’s resilience; they've included a five-year warranty on every product. Unlike its predecessor, the TU-3S doesn't have a footswitch. Instead, it is always on and ready to go, which makes it ideal for integration into pedal switching systems, e.g. BOSS' ES-5 or ES-8. If the space on your pedalboard is at a premium, you needn't sacrifice including an essential piece of gear such as a tuner, the TU-3S does the job perfectly.
The TU-3S doesn't just cater to the needs of guitarists. With Chromatic and Guitar/Bass modes available, there is support on-hand for 7-string guitar and 6-string basses. The Chromatic mode utilises the on-board 21-segment LED's to guarantee 100% accuracy when it comes to tuning to your desired note. The Flat-Tuning mode can support up to six half-steps (semitones) below standard pitch, accurately accommodating "drop" tunings.
The BOSS TU-3S LED meter is equipped with a brightness adjustment control. Whether you're performing on a well-lit festival stage on a sunny afternoon, or in the darkest of basement venues, you can readily adjust the display for rapid visual confirmation. The Accu-Pitch Sign function provides visual verification when tuning is complete, giving you absolute confidence when you crack on with your set.
The BOSS TU-3S can be powered by an optional PSA series adapter, and even has a DC Out jack that enables you to power up to seven BOSS compact effect pedals using an optional PCS-20A daisy-chain cable.
Manufacturer BOSS Model TU-3S Chromatic Tuner Dimensions (H x W x D) 73 x 56 x 84 mm Weight (including battery) 220 g 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 AC adaptor (sold separately) Current Draw 35 mA (DC 9 V) 95 mA (DC 9 V, when High Brightness mode is on) Bypass Buffered bypass Controls 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 (Power on indicator) Connectors INPUT jack OUTPUT jack DC IN jack DC OUT jack Accessories Owner's Manual Leaflet ("USING THE UNIT SAFELY," "IMPORTANT NOTE," and "Information") Parallel DC code (DC Plug x2) Rubber foot Options (sold separately) AC adaptor: PSA series Parallel DC cord: PCS-20A (DC Plug x8)
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