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Author Topic: 70 Volt system com vs 70v  (Read 3589 times)

Craig Hauber

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Re: 70 Volt system com vs 70v
« Reply #10 on: November 08, 2008, 04:01:49 pm »

I've been having good results with this product

http://www.parts-express.com/pe/showdetl.cfm?Partnumber=390- 804

It's intended for loudspeaker box builders, but it will produce a complete frequency versus impedance chart for the entire audio range.
You have to do the math to figure out how many "watts" the line equals but it also shows your exact results including line-loss and attenuators as well as showing the best spot to put your HPF if you want to maximize efficiency.

Another place the device excels is checking resultant impedances on those nasty 8-ohm house installs with all the speakers running off of a conventional home-stereo receiver.



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Craig Hauber
CSA Productions Inc.
Ventura-Santa Barbara CA
www.csaproductionsinc.com

Al Clayton

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Re: 70 Volt system com vs 70v
« Reply #11 on: November 13, 2008, 09:52:27 pm »

Don't forget the Goldline ZM1. Actually reads in watts...
My techs prefer it. I prefer the ZM-104 myself. both will do the job!
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