The worlds finest code practice oscillator is designed for demanding classroom use and abuse. It produces a true pure sinewave sidetone with no trace of harsh keyclicks. Youll hear the clearest, sweetest sounding CW you have ever heard.
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Delivers full 1 watt into built-in 3" speaker -- fills an entire room. Low distortion -- less than .2% total harmonic distortion from its BTL (Bridge-Tied-Load) amplifier. Volume control, 400-1000 Hz tone control, on/off switch, power on LED, 1/4 inch key jack, 3.5mm external speaker jack uses 12 VDC. All metal enclosure