Goldwood GW-212/4 12" OEM Woofer 4 Ohm

Brand:|Model: GW-212/4
These low frequency OEM drivers are ideal for the customer who is looking for inexpensive replacement woofers.
In Stock
Regular Price$27.70
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Part # 290-330

Product Details

Goldwood GW-212/4 12" 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 Diameter12"
  • Power Handling (RMS)120 Watts
  • Power Handling (max)240 Watts
  • Impedance4 ohms
  • Frequency Response28 to 4,000 Hz
  • Sensitivity92.3 dB 2.83V/1m
  • Voice Coil Diameter1.5"
  • Magnet Weight20 oz.
Thiele-Small Parameters
  • Resonant Frequency (Fs)35.8 Hz
  • DC Resistance (Re)3.6 ohms
  • Voice Coil Inductance (Le)0.5 mH
  • Mechanical Q (Qms)6.07
  • Electromagnetic Q (Qes)1.5
  • Total Q (Qts)1.2
  • Compliance Equivalent Volume (Vas)5.88 ft.³
  • Mechanical Compliance of Suspension (Cms)0.44 mm/N
  • BL Product (BL)4.94 Tm
  • Diaphragm Mass Inc. Airload (Mms)45g
  • Maximum Linear Excursion (Xmax)3.5 mm
  • Surface Area of Cone (Sd)519.47 cm²
Materials of Construction
  • Cone MaterialTreated Paper
  • Surround MaterialFoam
  • Basket / Frame MaterialSteel
  • Magnet MaterialFerrite
Mounting Information
  • Overall Outside Diameter12"
  • Baffle Cutout Diameter11"
  • Depth5.125"
  • # Mounting Holes8
Optimum Cabinet Size (determined using BassBox 6 Pro High Fidelity suggestion)
  • Sealed Volume3.24 ft.³
  • Sealed F340 Hz
  • Vented Volume28.98 ft.³
  • Vented F321 Hz
Goldwood GW-212/4 12" OEM Woofer 4 Ohm
  • BrandGoldwood
  • ModelGW-212/4
  • Part Number290-330
  • UPC643420100457
  • Product CategoryWoofers
  • Unit of MeasureEA
  • Product Rating
    (14 Reviews)
  • Weight5.28 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-212/4 12" OEM Woofer 4 Ohm
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Goldwood GW-212/4 12" OEM Woofer 4 Ohm
Goldwood GW-212/4 12" OEM Woofer 4 Ohm is rated 4.3571 out of 5 by 14.
Rated 5 out of 5 by from Great speaker.Great replacement speaker for my friends classic DCMs
Date published: 2014-11-19
Rated 5 out of 5 by from WICKED WOOFER!hooked up to a friends sony 600 watt amp put into 4OHM mode, limited to 110hz and let her go. and wow that thing is bad. she puts out even bass and the Mids and highs are all there and clear as day. Very bright. would purchase again .Is in a 4ft sealed enclosure
Date published: 2014-11-12
Rated 5 out of 5 by from Great WooferI decided to use these under the rear deck of my 2010 Impala after seeing the high Qts and that they would play up to 4000 Hz. I used a two way Aura car audio crossover along with a Vifa BC25SC06-04 1" Textile Dome Tweeter. These are crossed at 3000 Hz. I cut out the weak factory 6x9's leaving a 12" hole. I then mounted a 3/4" mdf board with necessary cutouts including a 6" port hole. I have not installed the amp yet but these sound fantastic with just the factory radio driving them. I am very happy with these woofers and the tweeters and many other speakers and drivers I have purchased from Parts Express! Thanks Parts Express!
Date published: 2013-10-30
Rated 1 out of 5 by from STAY AWAY! Sub Blew In Less Than 10 Minutes of using it!STAY AWAY! I was excited to hear how well this driver performs considering that I saw so many good reviews on here. Hooked it up to a 4 ohm amp @ 100W RMS (which the sub IS rated for). Because I know that Speakers need a break in period, I played this speaker at low volume and gradually increased it to about 30% volume. It sounded decent, and then it just blew. I could smell the aweful smell of the burning coil, and then I knew I was out of the money I paid for this useless speaker. I went online and double checked the specs on the amp and sub, they are supposed to be compatible! STAY AWAY!
Date published: 2012-11-08
Rated 5 out of 5 by from Perfect woofers for the moneyI bought a pair of these for my speaker design project to replace a higher power-rated pair, these match my amp's output perfectly. Sound quality is excellent and they seem quite durable, and should last for quite some time.
Date published: 2011-01-31
Rated 5 out of 5 by from excellant low cost quality driveri ordered one of these to replace a blown woofer in my klh av5001 towers. i was blown away better bass and overall performance. i play music loud and hard and these woofers love the power. now i need to replace the other one in my other cabinet as this one outperforms the klh stock woofer
Date published: 2011-01-25
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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.
Goldwood GW-212/4 12" OEM Woofer 4 Ohm

I need to replace a woofer on Harbinger APS12 .I talk to service and they recommend to buy a woofer from you and they sad to use Goldwood 12" 140W 4ohm.Please let me know which model is it. Thank you. David.

Asked by: Davidf
We do not have a cross reference available for this type of thing. Please contact our tech support for more help with this question, or 800-338-0531 x1.
Answered by: MattP
Date published: 2015-11-10

Would these be a good budget replacement for the woofers in the Infinity 7 Kappa's? The mid and the tweeter are fine, but the cones on both woofers are trash. Don't want to put a lot of money in them, they were free.

Asked by: safTguy15
Please contact our tech support for more help with this question, or 800-338-0531
Answered by: MattW
Date published: 2015-04-08

How would one go about hooking two of these 4ohm woofers to a polk audio 660 4 channel amp successfully and putting them in a dual box. sealed or ported chambers. one woofer as left and the other as right? is this possible? 

Asked by: wyatt h
If you are looking for a smooth response a large sealed box is about the only way to go with these woofers. They also have limited excursion so they will not produce much output at low frequencies. Please contact our tech support for more help with this question, or 800-338-0531 x1.
Answered by: MattP
Date published: 2014-11-26

So I'v read previous question regarding boxing these woofers, Id like like a ported box for smooth response, but a reply to a question was ( This driver is designed for a large sealed enclosure) Can these just NOT sound good in a ported setup, 

Asked by: wyatt h
These are not a good choice for a ported box unless you are only after "one note bass". They will work relatively well in a larger stuffed sealed enclosure but still have limited output due to low excursion.
Answered by: MattP
Date published: 2014-11-26

I want to build my own speaker system, 2 12" woofers,1 mid & 1 tweeter,w/ xovers 8ohms.Is it ok to use 2 of these 12"woofers (4ohms & 3.24cft ea) wired in series for 8 ohm load? what would u suggest as box dimension?whats smallest to sound good?

Asked by: cve312
The smallest box I would recommend for a pair of these woofers would be 2 cubic feet heavily stuffed. This would provide an F3 of 64 Hz and F10 of 46 Hz. External dimensions for a box this size would be 40"H x 14"W x 8-3/4"D using 3/4" material.
Answered by: MattP
Date published: 2014-04-17

Need help on crossover for 3-way MTM Tower

I've bought these to build a pair of 3-way MTM tower. using one of these on each side with 4ohm ring dome tweeter (recommend crossover for tweeter is 2.5 kHz) is there any assemble crossover I could use and which drivers for mid-range/mid-bass (dual 5" - 6" mid/bass)
Asked by: Bigsound
Unfortunately none of our crossovers will work with 4 ohm tweeter or midrange loads. This is something that will probably have to be custom built.
Answered by: MattP
Date published: 2013-09-27
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