KORG CA-50 Chromatic Tuner

Scale
12 note equal temperament

Detection Range (Sine wave)
A0 (27.5Hz)–C8 (4186Hz)

Reference Tone
C4 (261.63Hz)–C5 (523.25Hz) One octave

Tuning Modes
Meter mode, Sound Out mode

Calibration Range
A4 = 410Hz–480Hz (1Hz steps)

Detection Accuracy
+/- 1 cent

Sound Accuracy
+/- 1.5 cent

Connectors
INPUT jack (1/4" monaural phone jack), OUTPUT jack (1/4" monaural phone jack)

Internal Speaker
Dynamic Speaker (φ21mm)

Power Supply
AAA battery (3.0 V) x 2

Battery Life
Approximately 135 hours (zinc-carbon batteries, Meter mode, A4 continuous input)

Dimensions (W x D x H)
100 mm x 67 mm x 17 mm / 3.94" x 2.64" x 0.67"

Weight
81 g / 2.86 oz. (including batteries)

Included Items
Two AAA batteries for verifying operation

Accessories (sold separately)
CM-200 Contact Microphone