Product Overview

The CA-50 is a pocket-sized chromatic tuner designed for orchestral instruments, offering high-precision tuning and a slim, compact design. It features an enhanced LCD display with a larger note name indication and a needle-type meter for quick and accurate pitch reading.

This tuner supports a wide detection range from A0 (27.50 Hz) to C8 (4186.01 Hz), making it suitable for instruments from piccolo to tuba and violin to contrabass. It includes a calibration function adjustable in 1 Hz steps from 410-480 Hz, marks for pure major and minor third intervals, and a Sound Out mode for ear training.

Features

Larger note name indication on a more readable LCD display with a needle-type meter.
Wide detection range from A0 (27.50 Hz) to C8 (4186.01 Hz) supports any instrument.
Calibration function adjustable in 1 Hz units over the range 410-480 Hz.
Meter scale marks indicate pure major and minor third intervals for ensemble tuning.
Sound Out mode emits a reference tone from the internal speaker for ear training and tuning by ear, covering C4 (261.63 Hz) to C5 (523.25 Hz).
Approximately 135 hours of battery life with zinc-carbon batteries.
New mechanism reduces risk of overturning or sliding when placed on a music stand.
Memory backup function remembers calibration and Sound Out mode settings when power is off (settings initialize upon battery replacement).
Auto power-off function turns off after 20 minutes without sound input.
Folding stand and sliding battery cover integrated into the unit's design.

Specifications

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 (dia. 21mm)
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)

Power: AAA battery (3.0 V) x 2 (batteries not included)