This is a beta and data may be wiped.

BOSS

TU-3 Chromatic Tuner

Tuners · 2009–present

Specs

Battery
9V
Bypass
Buffered

Draws 80 mA with High Brightness on. The DC OUT jack powers other pedals from a PSA adaptor.

Jacks

Audio

  • Input ininstrument level
  • Output outinstrument level
  • Bypass outinstrument level

Power

  • DC in in9 V DC · draws 20 mA
  • DC out out9 V DC

Signal paths

  • Input → Output
  • Input → Bypass
  • DC in → DC out

Where this comes from

Checked against the maker's published specs.

Not yet confirmed with the maker: power polarity, TS or TRS jacks, what the Bypass jack carries, DC OUT rating.

BOSS TU-3 Chromatic Tuner · mysignalchain