Any standard 100 watt stack or PA can be increased in power in steps of 100 watts by simple addition of LS100BL or LS100PA power simulators together with the appropriate speakers.
Tony Iomi of Black Sabbath required two power simulators to assist is 100 watt Laney amplifier to give the extra power to penetrate audiences of up to 20000 people on Black Sabbaths recent tour of America. Geezer Butler uses one power simulator and Ozzie Osbourne, Black Sabbaths Dynamic vocalist uses nine
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