KORG CA40 CHROMATIC TUNER

Scale
12-note equal temperament
Detection Range
A0 (27.50 Hz) – C8 (4186.01 Hz): for a sine wave
Reference Tone
C4 (261.63 Hz) – C5 (523.25 Hz): 1 octave
Tuning Mode
Meter mode (AUTO), Sound Out mode (MANUAL)
Calibration Range
A4=410 Hz – 480 Hz (1 Hz steps)
Detection Accuracy
±1 cents or better
Tone Accuracy
±1.5 cents or better
Connectors
INPUT jack (1/4” monaural phone jack), OUTPUT jack (1/4” monaural phone jack)
Speaker
Dynamic speaker (28 mm diameter)
Power Supply
Two AAA batteries (3V)
Battery Life
Approximately 85 hours (Meter mode, continuous A4 input, zinc-carbon batteries)
Dimensions
(W x D x H)
100 x 67 x 17 mm / 3.94” x 2.64” x 0.67”
Weight
88 g / 0.19 lbs. (with batteries)
Accessories
Two AAA batteries for verifying operation