Boss TU-3W

Boss TU-3W - tuner for electric / electro-acoustic guitar / bass guitar, in a compact format, which has the same specifications and features as the BOSS TU-3 tuner, but with re-thought circuits featuring buffered or true-bypass operating modes, and with the most transparent audio pass-through possible, and a sound without alterations, all provided by the craftsmanship and tradition of Waza, which in Japan represents a symbol of art and technique.

Features:

• Same specifications and features as the BOSS TU-3 tuner
• Buffer mode can be turned off for true-bypass operation
• 21-segment LED meter display with brightness control
• Allows drop tunings of up to 6 semitones below standard tuning
• Powered by an external PSA-type power supply (sold separately)
• Provides power connector for another 7 BOSS effect pedals via a daisy-chain PCS-20A cable (sold separately)

Technical specifications:

• Tuning range: C0 (16.35 Hz)- C8 (4,186 Hz)
• Reference pitch for tuner: A4 = 436--445 Hz (1 Hz step)
• Tuning accuracy: +/- 1 cent
• Tuning modes: Chromatic, chromatic flat x2, guitar, guitar flat x2, bass, bass flat x3
• Display mode: Cent mode, Stream mode
• Power:
  • Alkaline battery (9V, 6LR61)
  • Carbon-zinc battery (9V, 6F22)
  • AC adapter (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 MOhm
• Nominal output level: -20 dBu
• Output impedance: 1 kOhm
• Recommended load impedance: 10 kOhms or greater
• Indicators: CHECK indicator (also serves as battery indicator)
• Connectors:
  • INPUT jack
  • OUTPUT jack
  • DC IN jack
  • DC OUT jack
• Current consumption:
  • 60 mA (DC 9 V)
  • 110 mA (DC 9 V,
• Battery usage time continuously:
  • Alkaline battery: Approx. 6 hours
  • Carbon battery: Approx. 0.5 hours
• Accessories: user manual, safety instructions, 9V alkaline battery
• Dimensions (WxDxH): 73 x 129 x 59 mm
• Weight (including battery): 460 g