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

Brand:|Model: 15PF-8|Part # 292-415
The GRS 15PR-8 speaker is the best choice you can make if you need to replace a worn out, blown 15" woofer.
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Part # 292-415
  • 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

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
    (21 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.

View similar products to the GRS 15PF-8 15" Paper Cone Foam Surround Woofer
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GRS 15PF-8 15" Paper Cone Foam Surround Woofer
GRS 15PF-8 15" Paper Cone Foam Surround Woofer is rated 4.2381 out of 5 by 21.
Rated 4 out of 5 by from Good replacement wooferI bought these to replace the driver in some worn out Fisher STV-884's. Still breaking them in, but right out of the box sounded very good and brought new life to my old speakers. Great price for speakers that are over 30 years and needed a refurb.
Date published: 2015-11-10
Rated 1 out of 5 by from speakersI bought these speakers 4. Sound great but they can't take power. These speakers are rated for 300 watts. I think they are over rated for the price what do you. These speakers would be great for someone who don't have a powerful amp. When I say powerful I mean you're an only is 200 watts or les .
Date published: 2015-09-27
Rated 5 out of 5 by from ImpressiveCompletely rebuilt (for the third time) a pair of speakers I bought new in 1976. Since I was replacing all eight drivers and the 2nd order/4 way cross overs, I quickly exceeded my budget. I decided to use higher end components for my cross overs and go with inexpensive drivers for now, and upgrading them at a later date. Sharing the 3.25 cubic ft. cabinets are cone midranges and silk dome tweeters from Goldwood as well as a Pyle Pro bullet super tweeter. Power comes from a Shure 100 wpc chip amp. After adding a JVC S.E.A.-33 equalizer, upgrades are no longer needed. Just ask my neighbors.
Date published: 2015-07-10
Rated 5 out of 5 by from great product great priceIf your looking for a good general replacement woofer. Dont look any further. For the price the value and sound quality is very well.
Date published: 2015-05-09
Rated 5 out of 5 by from Nice WooferMy first experience with the GRS 15PF was when I built the Manzanita Ultra open baffle speaker. It was an excellent sounding inexpensive woofer, albeit lower SPL than what I wanted. Just recently I built another OB with 2 GRS's per side - to help boost the SPL a bit to match my Eminence 12LTA. Wow, this combination worked really well. The sound is incredible. Thanks to PE for carrying this sleeper of a woofer. This driver was made for OB.
Date published: 2015-05-05
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
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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  for a prompt reply.
GRS 15PF-8 15" Paper Cone Foam Surround Woofer

I am looking to replace the woofers in an older set of pioneer cabinets. They are models CS E9000 and I am unsure of the manufacture date. Will the GRS15PF-8 15" work for this application.

Asked by: A A W
This requires a bit more information in order to proceed. Please contact our tech support for more help with this question, or 800-338-0531 x1.
Answered by: MattP
Date published: 2015-02-02

Could I use the GRS PF-8 15" and the visaton WS-17E 6.5 inch mid and the HiVi TN25 fabric dome tweeter in a 3 way speaker crossed at 12db at 2,000 and 4,500 Hz? 

Asked by: mosbro18
Would it sound better if crossed at 800hz? And would an Open baffle design for the woofer but a closed box for the mid and the tweeter sound good? Sorry for all the questions I'm very new to building speakers, thanks
Answered by: mosbro18
Date published: 2014-12-10

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.
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
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