Chat with our AI personalities
The LM380 is a small 2.5W mono amplifier. The "LM" in it's name is the standard prefix that National Semiconductors use for their linear circuits. These days, you can find LM380s manufactured by a wide variety of manufacturers.
The amp for audio freq. is a AF amplifier. The RF amp is for radio freqs.
Because radio control relies on different frequencies. Since frequencies are involved in the process, an audio amplifier can be used to amplify alternating currents (currents that change), and it does the same job.
phase...
If one were interesting in purchasing a Onebox audio amplifier, it would depend on where it is purchased from and what size. They range from a few hundred dollars to a few thousand.