[HN Gopher] Benefits of Class-G and Class-H Boost in Audio Ampli... ___________________________________________________________________ Benefits of Class-G and Class-H Boost in Audio Amplifiers [pdf] Author : type0 Score : 14 points Date : 2022-06-24 08:38 UTC (14 hours ago) (HTM) web link (www.ti.com) (TXT) w3m dump (www.ti.com) | skybrian wrote: | Interesting. Are there any products that use this? Development | boards? | | I hope to build a musical instrument someday with an integrated | speaker. | klodolph wrote: | This has been around for years. Self's webpage [1] notes that | class G amps date back to 1976. They've certainly been used in | commercial applications and I'm certain you could buy PCB kits | at some point in history. | | Apparently, there were a bunch of class G amps that appeared | after 5.1 setups got popular, just because of how much less | heat they produce per channel. | | If you want an efficient, small amplifier these days, class D | is also an option. They're cheap, small, and powerful. Much | more efficient than class G. If you are just trying to stick a | speaker and amp in a musical instrument, I would start by | getting an amp that is built into an IC with something that can | work with a relatively simple power supply. | | [1]: http://www.douglas-self.com/ampins/classg/g.htm ___________________________________________________________________ (page generated 2022-06-24 23:00 UTC)