Name: BOSS TU-3W Chromatic Tuner
SKU: 6855
Availability: InStock

BOSS TU-3W Chromatic Tuner

Specifications

Tuning Range:
- C0 (16.35 Hz) to C8 (4,186 Hz)
Reference Pitch:
- A4 = 436–445 Hz (1 Hz step)
Tuning Accuracy:
- +/- 1 cent
- Ensures precise tuning.
Modes:
- Chromatic
- Chromatic flat x2
- Guitar
- Guitar flat x2
- Bass
- Bass flat x3
Display Modes:
- Cent mode
- Stream mode

Power Supply

Battery Options:
- Alkaline: 9V, 6LR61
- Carbon-Zinc: 9V, 6F22
AC Adaptor:
- PSA series (sold separately)
Current Draw:
- 50 mA (DC 9V)
- 110 mA (DC 9V, when High Brightness mode is on)
Expected Battery Life (under continuous use):
- Alkaline: Approx. 5.5 hours
- Carbon: Approx. 0.5 hours

Bypass

Buffered Bypass or True Bypass:
- Allows you to choose between buffered or true bypass for the signal path.

Controls

Pedal Switch:
- Activates or deactivates the tuner.
OUTPUT Switch (BUF/THRU SW):
- Switches between buffered output or through signal.
MODE Button:
- Switches between different tuning modes.
STREAM/CENT Button:
- Switches between stream and cent display modes.

Indicators

CHECK Indicator:
- Serves as a battery check indicator.

Connectors

INPUT Jack:
- 1/4-inch phone type
- For connecting your instrument (e.g., guitar, bass).
OUTPUT Jack:
- 1/4-inch phone type
- For sending the signal to an amplifier or other device.
BYPASS Jack:
- 1/4-inch phone type
- For bypassing the tuner when not in use.
DC IN Jack:
- For connecting to an external power supply.
DC OUT Jack:
- For powering other devices.

Accessories

Included:
- Leaflet (“USING THE UNIT SAFELY,” “IMPORTANT NOTES,” and “Information”)
- Alkaline 9V battery (6LR61)
Optional (sold separately):
- AC Adaptor: PSA series
- Parallel DC Cord: PCS-20A (DC Plug x8)

Size and Weight

Width:
- 73 mm (2-7/8 inches)
Depth:
- 129 mm (5-1/8 inches)
Height:
- 59 mm (2-3/8 inches)
Weight (including battery):
- 460 g (1 lb 1 oz)

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The Leading Stompbox Tuner, Refined with Waza Expertise

With the TU-3W, BOSS brings Waza Craft mojo to the world’s leading stompbox tuner. At its core, the TU-3W provides rock-solid tuning equivalent to the industry-standard TU-3. In true Waza tradition, the pedal’s benchmark functionality is further enhanced with BOSS skill and craftsmanship. Pure, uncolored signal transfer is essential for a tuner, and the TU-3W features redesigned circuitry with selectable buffered or true-bypass operation and the most transparent audio pass-through possible. Packing high-end performance for discriminating players, the TU-3W delivers a premium pedal experience only available from BOSS.

The world’s leading stompbox tuner, enhanced with Waza innovation and craftsmanship
Superior tuning and premium signal buffer in one pedal
Tuning functions are identical to the industry-standard TU-3
Refined audio circuitry for exceptionally pure signal pass-through
Buffer can be turned off for true-bypass operation
Made in Japan
BOSS five-year warranty

Waza Craft: The Art of Superior Tone

Since the beginning, the engineers at BOSS have been committed to achieving the finest guitar tones using any technology necessary, from old-school analog circuits to high-tech DSP. Continuing this enthusiastic spirit, we are pleased to introduce the Waza Craft series. In Japan, “Waza” is the term for art and technique, and these special edition pedals proudly carry the Waza symbol to represent the pinnacle of BOSS design and craftsmanship. Being made in Japan, the Waza Craft series brings you exceptional tone and touch response through carefully selected analog components, refined circuitry, and meticulous attention to detail.