Indeed, but for real-world signals bass tends (!) to be higher - at least, if you don't want fried ears - so that's where it shows up. Indicators for overload are useful but in a full sphere surround array most of them are out of sight most of the time so not necessarily helpful.
Dave On 15 October 2015 at 11:14, Ilpo Martikainen <ilpo.martikai...@genelec.com> wrote: > The protection circuits likely trip the tweeter first, as its thermal time > constant is much shorter than that of woofer. Also the thermal power > handling of the woofer is much higher. Normally there is an indicator > turning red if the limits are exceeded and protection is activated. Without > protection people keep replacing tweeters. > > > Ilpo > > > > > > On 15.10.2015 11:38, "Sursound on behalf of Dave Malham" < > sursound-boun...@music.vt.edu on behalf of dave.mal...@york.ac.uk> wrote: > > >One thing I would be careful of on small, active speakers is the > protection > >circuits. Sophisticated protection circuits thermally model (or even > sense) > >the drivers and reduce the gain if one of them is getting near the limits. > >This can cause weird, signal dependent, image distortions when one of the > >speakers is driven harder and drops in gain (usually in the bass). Because > >the speaker doesn't just switch off, which you would hear, but simply goes > >a bit quieter, in an Ambisonic array of, say, 16 speakers, this doesn't > >shout out at you but just subtly distorts the image. Can be a really > >annoying and difficult to diagnose problem, especially when you haven't > >heard it before (been there, done that, got the T-shirt). With passive > >speakers, this doesn't happen - you just get the rattle from the cone > >hitting the endstops or the scrape of the melted voice coil against the > >sides of the air gap but at least the first of these warns you when you > are > >near to damaging the speakers. Note that with small active speakers in > >particular, getting to 'normal' monitoring levels gets you right into the > >zone where the protection will keep cutting in and out :-( > > > > Dave > > > > > >On 14 October 2015 at 18:20, Charles Veasey <charlesjvea...@gmail.com> > >wrote: > > > >> Hello, > >> > >> We're upgrading our current 15.2 (Behringer) loudspeaker array. I'd > like to > >> get more spatial resolution and higher quality speakers. Right now I'm > >> thinking about (32) Genelec 8010 and (2) Genelec 7050B subs. > >> > >> However, I have some concerns about the Genelec 8010s selling at only > $350. > >> > >> Does anyone have experience with these speakers, or have advice for my > >> situation? > >> > >> thanks, > >> Charles > >> -------------- next part -------------- > >> An HTML attachment was scrubbed... > >> URL: < > >> > https://mail.music.vt.edu/mailman/private/sursound/attachments/20151014/902db591/attachment.html > >> > > >> _______________________________________________ > >> Sursound mailing list > >> Sursound@music.vt.edu > >> https://mail.music.vt.edu/mailman/listinfo/sursound - unsubscribe here, > >> edit account or options, view archives and so on. > >> > > > > > > > >-- > > > >As of 1st October 2012, I have retired from the University. > > > >These are my own views and may or may not be shared by the University > > > >Dave Malham > >Honorary Fellow, Department of Music > >The University of York > >York YO10 5DD > >UK > > > >'Ambisonics - Component Imaging for Audio' > >-------------- next part -------------- > >An HTML attachment was scrubbed... > >URL: < > https://mail.music.vt.edu/mailman/private/sursound/attachments/20151015/788cb85d/attachment.html > > > >_______________________________________________ > >Sursound mailing list > >Sursound@music.vt.edu > >https://mail.music.vt.edu/mailman/listinfo/sursound - unsubscribe here, > edit account or options, view archives and so on. > _______________________________________________ > Sursound mailing list > Sursound@music.vt.edu > https://mail.music.vt.edu/mailman/listinfo/sursound - unsubscribe here, > edit account or options, view archives and so on. > -- As of 1st October 2012, I have retired from the University. These are my own views and may or may not be shared by the University Dave Malham Honorary Fellow, Department of Music The University of York York YO10 5DD UK 'Ambisonics - Component Imaging for Audio' -------------- next part -------------- An HTML attachment was scrubbed... URL: <https://mail.music.vt.edu/mailman/private/sursound/attachments/20151015/610e8dc8/attachment.html> _______________________________________________ Sursound mailing list Sursound@music.vt.edu https://mail.music.vt.edu/mailman/listinfo/sursound - unsubscribe here, edit account or options, view archives and so on.
