raw power

1-18 — elektor january 1981 raw power 200 watts into 4 ohms raw pouter For high sound levels, you need big loudspeakers and a hefty power amplifier. The unit described in this article delivers a good 200 W into a 411 load - sufficient for even open-air use. The most important criteria for disco and electric guitar amplifiers are: high output power, rugged construction and high reliability. There is no call for a frequency response that is flat up to the megahertz range, or for distortion figures that depend more on the resolution of the measuring equipment than on the amplifier itself. The circuit described here is designed with these aims in mind. It gives quite good quality, but a favourable watts-per-pound ratio was considered more important than achieving the highest possible hifi standards. Table 1 A few tens of watts, in combination with high-efficiency speakers, is enough to blow your ears out in a living room. You certainly don"t need 200 W there. In a hall or in the ope...