CSI/SPECO SPC-30RT Weatherproof PA Speaker with 75/25v Transformer

hello the purpose of this video is to try to train you all and explain to you how to deal with putting speakers on a PA system that utilizes a 70 volt audio signal we get a lot of questions about this and I thought I'd do a quick on short video to try to show you how to do that kind of cleared up I'm going to start by showing you first on a typical small commercial amplifier this is one that we actually sell and by the way our web address is electronics world wide net and you can buy these type of items there this amplifier I want to show you the back of it and it does of course have the commercial type signal output of 70 volts some people ask well why don't they just use one type of signal like home audios with 8 ohms coming out to the speakers well when you buy a home audio system it's all pre designed and the impedance and all that mathematics is all you know figured out so you don'