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Korg CA 40 Chromatic Tuner


A compact chromatic tuner, ideal for use with brass band or orchestra

With a wide range that covers A0 (27.50 Hz)?C8 (4186.01Hz), you can tune a variety of instruments with the CA-40, including wind, string, and keyboard instruments. The pitch and range are detected quickly and accurately. You can use the built-in high-sensitivity microphone to detect the pitch of an acoustic instrument without requiring any other equipment. Alternatively, you can use the separately sold CM-200 contact microphone to send the vibration of the instrument directly to the tuner, so that you can tune accurately without worrying about other sounds in the environment. An output jack (bypass) has been added, making it easy to check the tuning even while you perform.


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”

MPN: CA 40
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Retail Price: $35.00
Discount Price: $24.99
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