The BOSS TU-3S Chromatic Tuner is a compact premium-quality stombox tuner featuring a 21-segment LED meter and support for 7-string guitars and 6-string basses.
This versatile stombox tuner features everything you need to achieve the best possible pitch reference and tuning capabilities. One of the most unique features is the Accu-Pitch Sign function which provides visual verification once tuning has been completed. With its compact size, premium-quality components, and bulletproof durability, the TU-3S is perfect for any guitar player on the move.
The BOSS TU-3S Chromatic Tuner is a premium product, and every design aspect of the TU-3S has been implemented to deliver the best possible performance and tuning capabilities. It features a 21-segment LED meter with brightness control for easy monitoring and support for 7-string guitars and 6-string basses. The tuner also has a High Brightness mode for low-light conditions or increased visibility outdoors.
Another convenient feature is the Guitar Flat mode, which supports drop tuning up to six semitones below standard pitch. The unit can be powered by an optional PSA-series adapter with a DC out jack, allowing you to power and connect up to seven BOSS pedals via an optional PCS-20A daisy-chain cable. The accu-pitch sign function provides visual verification when tuning is complete.
Specifications:
– Tuning Range: C0 (16.35 Hz)–C8 (4186 Hz)
– Reference Pitch: A4 = 436–445 Hz (1 Hz step)
– Tuning Accuracy: +/- 1 cent
– Modes: Chromatic, Charomatic 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: Owners Manual, Leaflet (“USING THE UNIT SAFELY,” “IMPORTANT NOTE,” and “Information”), Parallel DC code (DC Plug x2), Rubber foot
– Dimensions (WxHxD): 73mm x 56mm x 84mm
– Weight (including battery): 220g (8oz)
