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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 *
  • Sealed Volume5.64 ft.³
  • Sealed F329 Hz
  • Vented Volume106 ft.³
  • Vented F314 Hz
  • * Enclosure volume/F3s based on BassBox "optimum" calculations-
GRS 15PF-8 15" Paper Cone Foam Surround Woofer
  • BrandGRS
  • Model15PF-8
  • Part Number292-415
  • UPC844632088506
  • Product CategoryWoofers
  • Unit of MeasureEA
  • Product Rating
    (15 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 4.2667 out of 5 by 15.
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: 2014-03-11
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: 2014-03-11
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: 2014-03-11
Rated 5 out of 5 by from Another Great Buy, Great PerformanceI bought the GSR 10 inch drivers for a great value and was very satisfied with those so I bought these 15 inch drivers to replace some late 70's/early 80's Fisher DC-15 speaker drivers. Wow what a difference! Should of done this a long time ago, these speakers were the "B" channel speakers living a obscure life in the basement.......now they are front and center with the 10 inch CV's! As you can see in the picture they are loaded and ready to fire! My neighbors like them........They are "only" driven by 100w p/ch receiver and are clear and drive the bass hard with no distortion whats so ever. Great buy for replacing old drivers. Check out the difference between the magnet size in the old vs new picture, that's the real deal there!
Date published: 2014-02-20

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

what is the weight of the magnet on the GRS 15?

It would be nice to see that information on all the grs series woofers
Asked by: David H
Unknown, but from the looks of it maybe around 40oz.
Answered by: Doug76
Date published: 2014-03-26

i want to use this for the house how would i hook that up?

i really want to use one of these because it has really low freq
Asked by: elmo
This is a raw low frequency driver. It is designed to be mounted in a speaker cabinet, in conjunction with other drivers to cover the mid and high frequencies. It can be used as a replacement for existing systems, or in a new system of your own design. A 2-way system would comprise this woofer with a tweeter to reproduce high frequencies; a 3-way system would have a woofer, midrange, and tweeter. In order to separate the frequencies and send them to the appropriate drivers, a crossover network would be implemented.
Answered by: RussR
Date published: 2014-01-03

how big should a box for 2 of these be?

sealed or ported
Asked by: aaron
This woofer has high Qts and Vas values, requiring a large sealed enclosure. Ported enclosures aren't recommended.I would recommend a box around 5 cubic feet if two of these are to be used together.
Answered by: mikevv
Date published: 2014-03-26

What's value of BL and SD of this driver?

Asked by: syyma
I can't help with BL, sorry about that. But the sd is roughly 115.5 square inches.
Answered by: ThaiBoxing101
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

new build question 292-415

i would like to put 2 of these per speaker that im building. can i use them both on your 260-156 crossover and will they still stay 8 ohm??? on a cabinet 48"h x 24"w x 18" d would they sound better ported or not and what is the break in on these. thanks for the help
Asked by: spydr
The DA 260-156 crossover is designed for 4 or 8 ohm woofers. Your wiring should be to parallel the pair for 4 ohms. And your overall impedence will be 8 ohms.Your box size and design will determine port use as well as your desired sound characteristics. Ports give deeper lows, but less punch. You can design either way.Because the speakers are paper cone they have a minimum break in time. Perhaps only a couple of hours, depending on how hard you push them. I always play a woofer with full range 50% power for about an hour before I install it.
Answered by: Nitnub
Date published: 2013-01-04

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