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 <[email protected]>
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
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-- 

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'
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