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GRS 15PF-8 15" Paper Cone Foam Surround Woofer

Brand:| Model: 15PF-8
Overview
The GRS 15PR-8 speaker is the best choice you can make if you need to replace a worn out, blown 15" woofer.
Highlights
  • Perfect for use in sealed-box home theater and music systems
  • Poly-laminated paper cone, treated foam surround, and polymer dust cap
  • Smooth frequency response with minimal cone breakup
Part # 
292-415
Weight: 7.55 lbs.  
IN STOCK
List Price$38.99
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Your Price
$30.88
Buy 4-up$24.70
Part # 292-415
Qty:  EA
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Product Details

GRS 15PF-8 15" Paper Cone Foam Surround Woofer

The GRS 15PR-8 speaker is the best choice you can make if you need to replace a worn out, blown 15" woofer. Thanks to its carefully optimized parameters, the GRS 15PF-8 15" poly-laminated paper cone woofer provides a high degree of compatibility when used as a replacement speaker—it also delivers excellent performance in your new projects, too.



Product Specifications
  • Nominal Diameter15"
  • Power Handling (RMS)150 Watts
  • Power Handling (max)300 Watts
  • Impedance8 ohms
  • Frequency Response25 to 4,000 Hz
  • Sensitivity87 dB 1W/1m
  • Voice Coil Diameter1.5"
Thiele-Small Parameters
  • Resonant Frequency (Fs)29 Hz
  • DC Resistance (Re)7.21 ohms
  • Voice Coil Inductance (Le)1.14 mH
  • Mechanical Q (Qms)5.09
  • Electromagnetic Q (Qes)1.92
  • Total Q (Qts)1.39
  • Compliance Equivalent Volume (Vas)9.39 ft.³
  • Maximum Linear Excursion (Xmax)4 mm
Materials of Construction
  • Cone MaterialTreated Paper
  • Magnet MaterialFerrite
Mounting Information
  • Overall Outside Diameter15.125"
  • Baffle Cutout Diameter14"
  • Depth5.44"
  • # Mounting Holes8
Optimum Cabinet Size (determined using BassBox 6 Pro High Fidelity suggestion)
  • Sealed Volume5.64 ft.³
  • Sealed F329 Hz
  • Vented Volume106 ft.³
  • Vented F314 Hz
GRS 15PF-8 15" Paper Cone Foam Surround Woofer
  • BrandGRS
  • Model15PF-8
  • Part Number292-415
  • UPC844632088506
  • Product CategoryWoofers
  • Unit of MeasureEA
  • Product Rating
    (16 Reviews)
  • Weight7.55 lbs.
  • California Prop 65

    Warning: California residents only. Please note per Proposition 65 that this product may contain chemicals known to the State of California to cause cancer and birth defects or other reproductive harm.

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Reviews

GRS 15PF-8 15" Paper Cone Foam Surround Woofer
GRS 15PF-8 15" Paper Cone Foam Surround Woofer is rated 4.3125 out of 5 by 16.
Rated 5 out of 5 by from Great valueBought to replace a blown woffer in a Dalquist powered 15 my friend was tossing. Turns out the amp was fine - $600 sound for thirty some $.
Date published: 2014-09-02
Rated 5 out of 5 by from Great Price!!!Great replacement speakers at a great price. Shipping was very fast also. I will be purchasing more from Parts Express.
Date published: 2014-01-24
Rated 2 out of 5 by from Horrible !I bought four of these, and I will say that the power rating is over exaggerated. I bought four because I knew they wouldn't be very loud. But using these with a 50 watt amp I cant turn the gain up all the way without the subs making a horrible buzzing/popping.
Date published: 2014-01-12
Rated 5 out of 5 by from Great for instruments and stereosFar better power handling, frequency range, and sound definition than any other speaker in it's price range -- it competes with speakers at 3x the price.
Date published: 2014-01-06
Rated 5 out of 5 by from Great speaker for the price.Parts express always has great speaker price's. I've replaced several speakers and haven't been disappointed yet.
Date published: 2013-10-22
Rated 5 out of 5 by from less expensive type wooferI feel I saved money an still got a good product by not spending a lot on a woofer for these older model wooded cabinet home speakers. It's nice to have price choices on so many of your products as sometimes I don't need the best, as was the case with these woofers. Thanks for your variety of products and your variety of price points, it allows me to help my customers as I fix their items.Bob VikingViking RepairWisconsin
Date published: 2013-10-03

Product Q&A

Get your questions answered from other customers
who own this product or have experience with it.
If your question requires design or troubleshooting information,
please email tech@parts-expresss.com  for a prompt reply.
GRS 15PF-8 15" Paper Cone Foam Surround Woofer

Will these do well in a 2.5 sealed 3-way cabinet? Will be pushing them with a 100w/ch Yamaha stereo receiver.

Asked by: Daddy O
Yes these will work well in that volume, reaching into the 30's pretty easily. I would recommend heavy fill for the best results.
Answered by: MattP
Date published: 2014-10-27

Looking to replace Cerwin Vega D9 woofers. Would these be a good fit as far as performance?

Asked by: ChanceShaw
This would work if you are looking for a very inexpensive replacement, but there are much better performers available. If you want something that will be similar to the originals, take a good amount of power and work well in the cabinets, I would recommend the Dayton Series II 15" woofer instead.http://www.parts-express.com/dayton-audio-st385-8-15-series-ii-woofer--295-130
Answered by: MattP
Date published: 2014-10-24

Can I use this to replace a speaker in a bass cabinet or will it be too hard for the speaker ? The bass amplifier gives 400watts max @ 8ohm.

Asked by: Jeanpaul
This will work okay for lower volume levels but you really want to use something like the Eminence Legend CB158, part number 290-497 or even a Dayton 295-034.
Answered by: MattP
Date published: 2014-03-26

Trying to find an inexpensive replacement for Infinity SM 152 15" woofers. These match the wattage capabilities and ohms... but I'm not sure.  How would these do? Anyone want to direct me to the appropriate replacement if this is no good?

Asked by: Spaker
This woofer will work as long as the port is sealed up. If you want to keep them vented you would be better off with something like the Dayton DC380-8 or ST385-8. The power handling isn't a huge concern.
Answered by: MattP
Date published: 2014-01-13

is this right?!

a 106.00 ft.³ box for a Vented F3 of 14 Hz, how box would that box be in in.?now a real question,what size box to get an F3 of around 25Hz?
Asked by: speaker freack
This woofer is not intended for a vented box with a Qts of 1.39. This is a perfect IB or OB type woofer where no enclosure is required. Even sealed box is quite large at almost 10 cubic feet and that's still a very high Qtc of 1.3. If you need to hit 25 Hz a large sealed enclosure is about the only way and you will still be severely limited with total output capability. At maximum excursion this models at 95 dB at 25 Hz in a sealed enclosure. That is only 30 watts.
Answered by: MattP
Date published: 2014-03-26

Open Back

With the high Q values of these GRS drivers will they work well in an open back dipole configuration? Between 12" or 15" is there one that would be better than the others?
Asked by: terrytunes1
Any driver with a Qts above .5 will work fine for an OB application. Usually the more cone surface area the better for this.
Answered by: MattP
Date published: 2014-03-26

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