We JUST had a request come in for powering an American Cancer Society daytime event. They said the band requires a 75kW generator. Hogwash... just another example of how most stage and band people have no clue what their power/energy consumption is.
I bet the entire stage will be plugged into one or two 15A circuits when I go to check them out. Jason Szumlanski Fafco Solar From: [email protected] [mailto:[email protected]] On Behalf Of Exeltech Sent: Thursday, April 28, 2011 6:58 AM To: RE-wrenches Subject: Re: [RE-wrenches] PV powered music festival Hi Ray, Problems? Nope. Never. My "no tube amps" comment is a power consumption issue as you surmised. Nothing more. Fact is, if I had unlimited battery reserve, I'd prefer tube amplifiers over solid state, but that's another topic. I powered Earth Day in Dallas in 2002 with a much smaller set-up back then (525 W PV, 4 kWh in battery, and a 4 kW Exeltech MX inverter). My equipment was the sole source of power at the event that day. The last band of the day had a 2500 watt class 'A' tube amp for (as you guessed) their bass player. It had a ~superb~ sound, but *idled* at 1700 watts. Also needed a small army to move it. They proceeded to run the 24V battery system down to 19V. Fortunately, the inverter under-voltage didn't kick in and shut things down, but it was -> <- that close. I'd be ok with a 100 watt tube amp at an event. This is more of a camel-in-the-tent comment. It amazes me how many performers have absolutely no clue what their equipment is rated or consumes. Let a small tube amp in, and a 3kW+ beast follows. If you're ever in the Dallas/Ft Worth area around the end of April any year, stop in. I have a standing annual commitment to power the Fort Worth Prairie Fest. They have a Grammy award winning group as their headline band every year. I'll get you a front-row seat right next to the Shuttle. Dan
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