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Ships within 48 hours · Estimated delivery Jul 31 - Aug 5
The center frequency is a pleasant 750 Hz
9-18 VDC or 10 VAC with the MFJ-1312D
Switching time is 50ms
It is radio controlled so it keeps perfect time
alarm with snooze button
MFJ-281, SPEAKER, CLEAR TONE, 3.5 MM PLUG Warranty The center frequency is aSSB FM, Am, and CW never sounded so crystal clear! Plug in this MFJ ClearTone speaker and bring out communication speech fidelity that you never knew existed. It restores the smooth sound of sinewaves that CW naturally generates and make it easy to copy. THE MFJ 281 ClearTone speaker was carefully designed to improve the intelligibility of speech in the frequency range of 600 to 4000Hz while reducing undesirable noise, static, and hum. A top grade 3
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