Boss TU-3W

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

Alkaline battery (9V, 6LR61) or Carbon-zinc battery (9V, 6F22)
AC adaptor (sold separately)

Bypass

Buffered bypass or True bypass

Controls

Pedal switch
OUTPUT switch (BUF/THRU SW)
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
DC IN jack
DC OUT jack

Current Draw

60 mA (DC 9 V)
110 mA (DC 9 V, when High Brightness mode is on)
Expected battery life under continuous use (These figures will vary depending on the actual conditions of use.)
Alkaline: Approx. 6 hours
Carbon: Approx. 0.5 hours

Accessories

Owner's Manual
Leaflet ("USING THE UNIT SAFELY," "IMPORTANT NOTE," and "Information")
Alkaline battery (9V, 6LR61)

Options (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

* 0 dBu = 0.775 Vrms