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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 Modes:
Meter mode (AUTO),
Sound Out mode (MANUAL)
Calibration Range:
A4=410 Hz – 480 Hz (1 Hz steps)
Accuracy:
Detection: +/- 1 cents or better
Tone: +/- 1.5 cents or better
Connectors:
INPUT 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:
3.94”(W) x 2.64” (D) x 0.67” (H)/
100 (W) x 67 (D) x 17 (H) mm
Weight:
0.19 lbs. (88 g)
(Including batteries)
Included Items:
Two AAA batteries for verifying operation | 
