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Why Do TEF Systems read 3-5 dB high ?
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<blockquote data-quote="Art Welter" data-source="post: 24103" data-attributes="member: 52"><p>Re: Why Do TEF Systems read 3-5 dB high ?</p><p></p><p></p><p>The second “Blue” graph shows the upper end of the NYC sub shootout to show the difference between the TH-115 and the EV-2181. The EV appears to be about 1 dB higher at 100 Hz.</p><p></p><p>Your graph shows the TH-115-8 as 5 dB higher than the EV-2181 at 100 Hz.</p><p></p><p>I made a mistake in the post, saying if the published specs are correct, the TH-115 should be around 6 dB higher, I forgot to account for the difference in impedance (8 ohm vs 4 ohm) so the TH-115 should show 2 dB more level than the EV-2181, but it shows 1 dB less, a 3 dB difference.</p></blockquote><p></p>
[QUOTE="Art Welter, post: 24103, member: 52"] Re: Why Do TEF Systems read 3-5 dB high ? The second “Blue” graph shows the upper end of the NYC sub shootout to show the difference between the TH-115 and the EV-2181. The EV appears to be about 1 dB higher at 100 Hz. Your graph shows the TH-115-8 as 5 dB higher than the EV-2181 at 100 Hz. I made a mistake in the post, saying if the published specs are correct, the TH-115 should be around 6 dB higher, I forgot to account for the difference in impedance (8 ohm vs 4 ohm) so the TH-115 should show 2 dB more level than the EV-2181, but it shows 1 dB less, a 3 dB difference. [/QUOTE]
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