Boss TU-3S

Boss TU-3S - tuner for electric / electro-acoustic guitar, in a compact format, ideal for pedalboards with limited space. It has the same specifications and features as the BOSS TU-3 tuner, except that the switch pedal has been removed, keeping it always on.

Features:

• Same specifications and features as the BOSS TU-3 tuner
• 21-segment LED meter display with brightness control
• High brightness mode for use in bright light environments
• Accu-Pitch Sign function provides visual confirmation when tuning is complete
• Allows drop tunings up to 6 semitones below standard tuning
• Powered by an external PSA-type power supply (sold separately)
• Provides power connector for 7 other BOSS effect pedals via a daisy-chain cable PCS-20A (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
• Modes: chromatic, chromatic flat x2, Guitar, Guitar flat x2, Bass, Bass flat x3
• Display mode: Cent mode, stream mode
• Power supply: AC adapter (sold separately)
• Power consumption:
  • 35 mA (DC 9 V)
  • 95 mA (DC 9 V, when High Brightness mode is activated)
• Bypass: Buffered bypass
• Controls: 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
• Indicator. CHECK (Power on indicator)
• Connectors:
  • INPUT jack
  • OUTPUT jack
  • DC IN jack
  • DC OUT jack
• Accessories: user manual, safety instructions
• Dimensions (WxDxH): 73 x 84 x 56 mm
• Weight: 220 g