Peerless 830883 HDS exclusive power handling?

DionG · 26th March 2011, 10:40 AM

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?

Cheers
Dion

DionG · 27th March 2011, 01:27 AM

No one ever used these or have an actual figure??

infinia · 02:16 AM

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.

DionG · 27th March 2011, 02:18 AM

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

DionG · 27th March 2011, 02:22 AM

I mean RMS btw, not pp, peak or any other term used to determine a peak power

infinia · 02:36 AM

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".

DionG · 27th March 2011, 02:32 AM

sorry im a bit of a novice here

do you recommend any software in particular?

thanks
Dion

DionG · 27th March 2011, 02:43 AM

Quote:

Originally Posted by infinia

*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

infinia · 27th March 2011, 03:12 AM

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.

DionG · 27th March 2011, 03:21 AM

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

26th March 2011, 10:40 AM	#1
DionG diyAudio Member Join Date: Mar 2011 Location: Brisbane, Australia	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? Cheers Dion

27th March 2011, 02:00 AM	#3
infinia diyAudio Member Join Date: May 2005 Location: Californication	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. __________________ like four million tons of hydrogen exploding on the sun like the whisper of the termites building castles in the dust Last edited by infinia; 27th March 2011 at 02:16 AM.

27th March 2011, 02:28 AM	#6
infinia diyAudio Member Join Date: May 2005 Location: Californication	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". __________________ like four million tons of hydrogen exploding on the sun like the whisper of the termites building castles in the dust Last edited by infinia; 27th March 2011 at 02:36 AM.*

27th March 2011, 03:12 AM	#9
infinia diyAudio Member Join Date: May 2005 Location: Californication	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. __________________ like four million tons of hydrogen exploding on the sun like the whisper of the termites building castles in the dust

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27th March 2011, 01:27 AM	#2
DionG diyAudio Member Join Date: Mar 2011 Location: Brisbane, Australia	No one ever used these or have an actual figure??

27th March 2011, 02:18 AM	#4
DionG diyAudio Member Join Date: Mar 2011 Location: Brisbane, Australia	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

27th March 2011, 02:22 AM	#5
DionG diyAudio Member Join Date: Mar 2011 Location: Brisbane, Australia	I mean RMS btw, not pp, peak or any other term used to determine a peak power

27th March 2011, 02:32 AM	#7
DionG diyAudio Member Join Date: Mar 2011 Location: Brisbane, Australia	sorry im a bit of a novice here do you recommend any software in particular? thanks Dion

27th March 2011, 03:21 AM	#10
DionG diyAudio Member Join Date: Mar 2011 Location: Brisbane, Australia	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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