CortezDTV Posted December 24, 2012 Report Posted December 24, 2012 the termlab is a pressure sensor. the AC is a microphone. you can not edit the termlab without it showing up in allt he results you do. Ive seen the ac tweaked easily. It also does not hold its true zero very well. Once its been blasted with a loud run it tends to start being inaccurate where as the termlab retains its accuracies. NASA uses the termlab. That should tell you something about its consistency. ^^this the termlab is more spl, and is used as the basis for all noise mesurements... the ac is set by useing the termlab and you use a termlab to calibrate the ac's.... but the termlab rta is not so good.... if you want a sq approach just use the ac! thats just my take on the two meters SCSB Santa Cruz Speaker Box Build logs: Daily Driver Lemon Marquis 2 american bass 750.1s 350.4 on 14 focal 6.5s sq 945 on 4 hertz tweeters Mystery subs http://www.stevemead...__fromsearch__1 The Mustang 'dubbed' Shirley the project from bullet holes to badass http://www.stevemead...cond-skin-time/
jeffrm Posted December 24, 2012 Report Posted December 24, 2012 There is a difference between the two. On the same day I used both and with 2 15s on an rd 3250. On the AC I did a 139.6 and on the termlab I did a 147.0. 03 tahoe z71 4 death penalty 18s 2 ampere audio 3800s @ .5 each 18v 156.7 @ 35hz 158.5 @ 50hz
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