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Old 26th March 2011, 10:40 AM   #1
DionG is offline DionG  Australia
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Default Peerless 830883 HDS exclusive power handling?

Hi, I was just wondering if anyone could verify the RMS power handling of the peerless 830883's. Searing the web i've found ratings from 30W to 180W and all in between.

So, for anyone who's used these or got a data sheet actually specifying it, could you let me know?

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Dion
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Old 27th March 2011, 01:27 AM   #2
DionG is offline DionG  Australia
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No one ever used these or have an actual figure??
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Old 27th March 2011, 02:00 AM   #3
infinia is offline infinia  United States
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depends mostly on the box alignment and highpass filtering if any. Usually powering to Xmax is exceeded much earlier than thermal power limits. \ comparing thermal power ratings between raw drivers is dubious at best.
edit> Higher powers are reached by larger voice coil diameters, construction, and cooling details, by that time you are usually into power compression or more distortion anyway.
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Old 27th March 2011, 02:18 AM   #4
DionG is offline DionG  Australia
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ah it will be crossed at 80-100 and about 3k
im not actually sure what Xmax is? i guess i should look into that, but as general guide for their power capabilities, do you they would be able to take the 150W that some sites are claiming or not? ie, more like 100W

thanks
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Old 27th March 2011, 02:22 AM   #5
DionG is offline DionG  Australia
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I mean RMS btw, not pp, peak or any other term used to determine a peak power
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Old 27th March 2011, 02:28 AM   #6
infinia is offline infinia  United States
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play with some box modeling software that shows voice coil displacement X vs frequency. They usually allow you to add a highpass filter. Xmax is when the voice coil wire starts to go beyond control of the magnetic gap. Xmech is when the voice coil former contacts or reaches mechanical stops, permanent damage sometimes occurs here.


830883 Specifications: *Power handling: 30 watts (IEC 2685 18.1) *VCdia: 1-1/4" *Le: 1.1 mH *Impedance: 8 ohms *Re: 5.7 ohms *Frequency response: 42-6,500 Hz *Fs: 42 Hz *SPL: 87.8 dB 2.83V/1m *Vas: 0.77 cu. ft. *Qms: 2.41 *Qes: 0.42 *Qts: 0.36 *Xmax: 5.62 mm *Dimensions: Overall diameter 7.18", 6.7" across flats, Cutout diameter 5.75", Depth 3.25".
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Old 27th March 2011, 02:32 AM   #7
DionG is offline DionG  Australia
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sorry im a bit of a novice here
do you recommend any software in particular?

thanks
Dion
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Old 27th March 2011, 02:43 AM   #8
DionG is offline DionG  Australia
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Quote:
Originally Posted by infinia View Post
*Power handling: 30 watts (IEC 2685 18.1) *Xmax: 5.62 mm
so i understand that the cone can move a max of 5.62mm out without damage, but the 30W power handling specified concerns me, because im looking for something much higher, around 150W rms (alright i know it has to do with box etc but as a starting point)

thanks for you effort

Dion
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Old 27th March 2011, 03:12 AM   #9
infinia is offline infinia  United States
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I would say that IF you are using a highpass filter hopefully higher than 2nd order an octave away from Fs and not using pink noise tests but higher dynamic signals ie music power you could safely go with 150 W amps.
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Old 27th March 2011, 03:21 AM   #10
DionG is offline DionG  Australia
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yea as im planning on crossing it at 80-100 hz 24db/oct and yes i mean 150W rms of music, hopefully if fine

thanks for you help
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