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first set of measurments [message #17818]

Thu, 12 May 2005 08:11

adavis464
Messages: 64
Registered: May 2009

Viscount

I did some frequency response on a pair of Electro-Voice t350.First both tweeters 105dB 1watt1meter everyware I've check on the internet 109dB.Now keep in mind I'm still earning this very deep tool.but as far as spl going I'm shure the numbers a correct.I'm using Praxis.I must say thoughs tweeters are really flat in there response from 4000to16k then they rolloff it looks like 6dB per octave.Regards Tim

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Re: first set of measurments [message #17820 is a reply to message #17818]

Fri, 13 May 2005 09:51

Eric Mainardi
Messages: 22
Registered: May 2009

Chancellor

Hi TIM,
This matches measurements I did a few months ago with my T350 from the late eighties. As they are ALNICO drivers, the slight loss of efficiency is probably due to loss of magnetization with age which is roughly around 3% per 10 year period for alnico.
Very smooth and very sweet tweeter (phenolic diaphragm)
ERIC

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