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Goldwood GW-215/4 15" OEM Woofer 4 Ohm

Brand:|Model: GW-215/4|Part # 290-340
These low frequency OEM drivers are ideal for the customer who is looking for inexpensive replacement woofers.
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Part # 290-340

Product Details

Goldwood GW-215/4 15" OEM Woofer 4 Ohm

These low frequency OEM drivers are ideal for the customer who is looking for inexpensive replacement woofers. Each woofer features a poly-laminated paper cone, vented pole piece, moisture resistant poly foam surround, and stamped steel frame.

Product Specifications
  • Nominal Diameter15"
  • Power Handling (RMS)135 Watts
  • Power Handling (max)250 Watts
  • Impedance4 ohms
  • Frequency Response22 to 3,000 Hz
  • Sensitivity90.2 dB 2.83V/1m
  • Voice Coil Diameter1.5"
  • Magnet Weight20 oz.
Thiele-Small Parameters
  • Resonant Frequency (Fs)29.6 Hz
  • DC Resistance (Re)3.6 ohms
  • Voice Coil Inductance (Le)0.4 mH
  • Mechanical Q (Qms)7.89
  • Electromagnetic Q (Qes)2.43
  • Total Q (Qts)1.86
  • Compliance Equivalent Volume (Vas)10.3 ft.³
  • Mechanical Compliance of Suspension (Cms)0.31 mm/N
  • BL Product (BL)5.08 Tm
  • Diaphragm Mass Inc. Airload (Mms)94.4g
  • Maximum Linear Excursion (Xmax)3.5 mm
  • Surface Area of Cone (Sd)823.42 cm²
Materials of Construction
  • Cone MaterialTreated Paper
  • Surround MaterialFoam
  • Basket / Frame MaterialSteel
  • Magnet MaterialFerrite
Mounting Information
  • Overall Outside Diameter15"
  • Baffle Cutout Diameter13.75"
  • Depth5.1875"
  • # Mounting Holes8
Optimum Cabinet Size (determined using BassBox 6 Pro High Fidelity suggestion)
  • Sealed Volume6.82 ft.³
  • Sealed F331 Hz
Goldwood GW-215/4 15" OEM Woofer 4 Ohm
  • BrandGoldwood
  • ModelGW-215/4
  • Part Number290-340
  • UPC643420100471
  • Product CategoryWoofers
  • Unit of MeasureEA
  • Product Rating
    (4 Reviews)
  • Weight6 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 Goldwood GW-215/4 15" OEM Woofer 4 Ohm
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Goldwood GW-215/4 15" OEM Woofer 4 Ohm
Goldwood GW-215/4 15" OEM Woofer 4 Ohm is rated 4.25 out of 5 by 4.
Rated 4 out of 5 by from Infinity SM152 RestoreI had original owned two pairs of the Infinity SM152 speakers back in the early 1990's while in the military. Later sold them and bought a pair of JBL L7. The Infinity SM152's had bass that was tight and solid, something that the JBL L7's could not recreate. Well after many years of waiting for the right opportunity to buy a pair of Infinity SM152's again, I found a pair on Ebay with the seller just 20 minutes away. The speakers were in good condition, except for the 15" woofers which overtime the foam surrounding would deteriorate. I ordered a pair of Goldwood GW-215/4 15". So far I'm very please with the results. I'm driving the speakers with a Yamaha MX-1000 amplifier @ 260W RMS.
Date published: 2012-03-31
Rated 4 out of 5 by from three way ideause this woofer on a 3 microhenry inductor. use this with the gw 8" 8 ohm oem woofer as the mid. and for highs use a mylar tweeter or a tweet that goes as high as 20,000 hz. great bass and quality, but the magnet is small but it takes the weight off. still it sounds great.Pros-*power handling is good*excursion is good as well*sound quality*bass response*build quality*aluminum former (believe me i checked)*will never bottom out unless the surround is removedcons-*small magnet and voice coil
Date published: 2008-01-16
Rated 5 out of 5 by from Better reviewI just recieved this woofer yesterday. i am testing this one for sound quality and performance. so far good conical movement, puts out a good amount of bass, it's very loud, and it has a good vocals and guitar reproduction. i am soon going to purchase another for a pa project, i think this is perfect for the application. reccomended to anyone with a budget.
Date published: 2008-01-12
Rated 4 out of 5 by from low excursion but still puts out bassi bought these for my fathers realistic mach twos for his birthday, and i was pleased with the sound and house shaking bass i got out of these. i was also amazed of how low its fs is. i recomend to who ever needs a oem replacement they should order this product!
Date published: 2007-06-28
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Product Q&A

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Goldwood GW-215/4 15" OEM Woofer 4 Ohm

Thank you for the answer before. I think I'd like to embark on a fit of large tower speakers, 2 of these in each tower in separate large chambers tuned very low, with an 8 inch mid bass/midrange and tweeter, sending above 200w rms to each. Suggestions?

Asked by: ShaneU
Please contact our tech support for more help with this question, or 800-338-0531 x1.
Answered by: MattP
Date published: 2015-03-10

I would think that crossing these over would make more sense than just connecting them full range. Would it be wise to lowpass them at 300 hz? Also, is there a frequency response chart available?

Asked by: ShaneU
Crossing them over would be advisable, although I cannot comment on a frequency without knowing application or associated drivers. You can see a graph
Answered by: MattP
Date published: 2015-01-20

Could this driver be used in a two way crossed over at 1600 hrtz and could you put 4 of these in the designated 6.82 sealed inclosure for a response of 31 f3. And what would be the low end response in a 2 or 3 cu ft cabinet , just talking one driver now

Asked by: spunk
Four of these will work in that volume but the F3 will be closer to 50 Hz. One driver in 2.5 cubic feet sealed will have an F3 of 43 Hz.
Answered by: MattP
Date published: 2014-12-16
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