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terrasound SPL meter


LoudBimmer

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Got this meter of ebay for only $60.( used to cost around a grand). It's an older model, but from what I've read it's pretty good tool to have. But I also read that the SPL meter reads higher score than termlab does.

So, I tested out the SPL meter and at headrest I got 145 and in the kick it was 140. right door opened. This doesn't sound right to me, headrest higher than the kick.

Anyone else have any experience with it?

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Have a link to specs or a model number?

Is it a weighted meter?

What type of mic?

What is the frequency range of the mic?

Things to consider with SPL meters are not just that they would read a different SPL than a Termlab, but that accuracy may vary depending on frequency and intensity.

That's the point of a TL, to read with the same accuracy from 110-182 dB and from 10hz-200hz.

Cheaper meters used for industrial/ sound stage type purposes cannot be trusted for any tests in car audio.

Ed Lester

ShowtimeSPL Host

Showtime Electronics Video Marketing

My old Build Log
http://www.stevemead...08/#entry511451

http://www.youtube.com/showtimespl



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5 time dB Drag Finalist
Last ride 2007 HHR, current dB 153.5 and bass race 149.4 dB. 153.0 dB on music

New Ride, 2008 HHR SS. Build under way.
Loudest score ever = 171dB
2009 dB Drag Racing, North American Points Champion

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Heres the link http://www.soundonsound.com/sos/feb00/articles/audiotoolbox.htm

The mic that it came with goes up to 180dbs.

A666006B-64C8-442C-983A-A0567CDCA209-802

From another site

A signal generator outputs sine or square waves from 10 Hz to 20 kHz in octave, one-third-octave or fine modes and pink or white noise. - See more at: http://www.prosoundnetwork.com/article/TerraSonde-Audio-Toolbox/813#sthash.QmDaYpgj.dpuf

The next function is the real time analyzer (I can see now I'm not going to make it through all the functions). The RTA can accept low or high mic level inputs in addition to a line input. Either full bandwidth 20 to 20 kHz or low, which covers the low-frequency band from 10 to 332 Hz, may be selected for analysis. The latter is nice for subwoofer setup.

- See more at: http://www.prosoundnetwork.com/article/TerraSonde-Audio-Toolbox/813#sthash.QmDaYpgj.dpuf

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