Goldwood GW-8PC-30-8 8" Heavy Duty Woofer 8 Ohm

Goldwood GW-8PC-8 8" Heavy Duty Woofer 8 Ohm

Brand:| Model: GW-8PC-30-8
The Heavy Duty PC Series is available in 4 ohm and 8 ohm versions for automotive and home audio applications. The woofers feature aluminum die-cast frames, knurled and gold-plated binding posts, rubber surrounds, and vented pole pieces with bumped back plates.
Part # 
Weight: 5.2 lbs.  
Your Price
Buy 4-up$38.76
Part # 290-314
Qty:  EA
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Product Details

Goldwood GW-8PC-8 8" Heavy Duty Woofer 8 Ohm

The Heavy Duty PC Series is available in 4 ohm and 8 ohm versions for automotive and home audio applications. The woofers handle the most powerful of amplifiers while maintaining sonic excellence. They feature aluminum die-cast frames, knurled and gold-plated binding posts, rubber surrounds, and vented pole pieces with bumped back plates.

Product Specifications
  • Nominal Diameter8"
  • Power Handling (RMS)160 Watts
  • Power Handling (max)330 Watts
  • Impedance8 ohms
  • Frequency Response45 to 7,000 Hz
  • Sensitivity88.2 dB 2.83V/1m
  • Voice Coil Diameter1.5"
  • Magnet Weight30 oz.
Thiele-Small Parameters
  • Resonant Frequency (Fs)55.01 Hz
  • DC Resistance (Re)7.24 ohms
  • Voice Coil Inductance (Le)0.98 mH
  • Mechanical Q (Qms)5.89
  • Electromagnetic Q (Qes)0.62
  • Total Q (Qts)0.56
  • Compliance Equivalent Volume (Vas)0.51 ft.³
  • Mechanical Compliance of Suspension (Cms)0.24 mm/N
  • BL Product (BL)11.78 Tm
  • Diaphragm Mass Inc. Airload (Mms)34.26g
  • Maximum Linear Excursion (Xmax)4.5 mm
  • Surface Area of Cone (Sd)205.9 cm²
Materials of Construction
  • Cone MaterialPoly
  • Surround MaterialRubber
  • Basket / Frame MaterialCast Aluminum
  • Magnet MaterialFerrite
Mounting Information
  • Overall Outside Diameter8.25"
  • Baffle Cutout Diameter7.125"
  • Depth3.69"
  • # Mounting Holes4
Optimum Cabinet Size (determined using BassBox 6 Pro High Fidelity suggestion)
  • Sealed Volume0.36 ft.³
  • Sealed F384 Hz
  • Vented Volume0.98 ft.³
  • Vented F341 Hz
Goldwood GW-8PC-8 8" Heavy Duty Woofer 8 Ohm
  • BrandGoldwood
  • ModelGW-8PC-30-8
  • Part Number290-314
  • UPC643420100181
  • Product CategoryWoofers
  • Unit of MeasureEA
  • Product Rating
    (43 Reviews)
  • Weight5.2 lbs.
  • California Prop 65

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

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Goldwood GW-8PC-8 8" Heavy Duty Woofer 8 Ohm
Goldwood GW-8PC-8 8" Heavy Duty Woofer 8 Ohm is rated 4.3953 out of 5 by 43.
Rated 5 out of 5 by from Excellent purchaseThe Goldwood 8" woofers I purchased fit perfectly into my old B & O enclosures and sound great. I couldn't be happier!
Date published: 2013-11-11
Rated 4 out of 5 by from A Rugged, Powerful Little WooferI installed these in 1.15 cu. ft. cabinets with a 2"x3" port and crossed them at 2.5k/12dB/octave using the Dayton 260-142 crossover. They are paired with the Dayton 275-070 "silkie" tweeter. I like them. They have very tight, defined bass and lower midrange and can handle tons of power without breakup. I listen primarily to classic rock, so a 6dB boost at 80Hz is used to further boost the bass. As noted by one reviewer, these can soak up lots of power to reach the moderately-loud volumes I like. I should have bought the 4 ohm versions. They also benefit greatly from breaking in. I played them 24 hrs a day w/bass boost for over a week and they sound better every day. Highly recommended.
Date published: 2013-09-22
Rated 4 out of 5 by from Excellent woofer! A Powerhouse (need BEASTLY Amp)This woofer loves to be Ported !Excellent mids & bass when driven hard with strong AmpNeed 120w rms atleastForget unless you can supply tremendous power
Date published: 2013-02-21
Rated 5 out of 5 by from Goldwood Replacement for Bose Bookshelf SpeakerMy friend brought to me a pair of Bose Bookshelf speakers, both with broken surrounds, wanting me to fix them. I was unable to find the exact replacement Bose 8" woofer, so I looked hard to find one that fits physically and acoustically. When I saw this Goldwood 8" woofer on Parts Express with many great review, I checked its spec and figure it's worth a try. The woofers installed to the Bose Bookshelf enclosure with a good fit. When it comes to sound test, I was pleasantly surprised by how well it sounds: clean mid, tight lows, and the existing tweeters come out about the same level as the woofer. Home run! I think this is an upgrade to the original Bose woofer.
Date published: 2012-11-15
Rated 5 out of 5 by from Replacement WooferGreat speaker for the price. Easy to install. I've been looking for a replacement for a long time. Couldn't be happier.
Date published: 2012-06-16
Rated 5 out of 5 by from For the price these are worth it all day long!I ordered these on Wednesday and on Friday they were sitting on my porch , Wow fast .. ok so if you have an old pair of realistic nova 15 boxes these are a perfect fit even the bolt holes match up . Breaking them in now but so far i'm very happy excellent quality large motor structure and gold plated binding posts nice touch .. Power handling: 120 watts RMS/230 watts max • Frequency response: 45-7,000 Hz SPL: 88.2 dB is what the page says but the boxes say power /max 330 watts . freq res: 25-2800 hz SPL 91 dB I think the boxes are right and the page is wrong but this means they are even better then expected , these are in a ported enclosure now ..may experiment with a sealed enclosure later .
Date published: 2012-01-27

Product Q&A

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Goldwood GW-8PC-8 8" Heavy Duty Woofer 8 Ohm

what is the diameter of the bolt pattern

Asked by: john p
The bolt pattern diameter is 7-3/4".
Answered by: MattP
Date published: 2014-08-02

Do you have the installed depth, or the depth below the cabinet face? I assume a portion (.25" +/-) of the listed "depth" will sit above the face? I have a conflict inside my cabinet at about 3.5", so I need an exact measurement of the installed depth.

Asked by: eric123
The actual mounting depth of this driver from the back of the flange is 3-13/16".
Answered by: MattP
Date published: 2014-06-17

This can actually play at 7khz right, some said in a comment it maxed at 2800, if so i just bought a 5k 2-way crossover for this and a pyle super tweeter. This will work right the specs on the website are correct or am I incorrect? 

Asked by: JakeHC
If you look at the actual frequency response graph for this driver it will only reach 7kHz if you account for the cone breakup that happens. Because of beaming, I usually don't recommend crossing an 8" over any higher than about 2kHz anyway.
Answered by: MattP
Date published: 2014-03-10

What is the mounting hole diameter?

Asked by: Rand
The diameter of the cutout is 7-1/8", the diameter of the screw holes are 3/16".
Answered by: MattP
Date published: 2014-01-20

Matching Cabinet Loading - Bose 601 Series 11

How does one go about matching cabinet loading? I tried contacting Bose to see if they had any technical specification on the woofer that they used and no longer have this information available. Perhaps someone share with me how I should go about selecting a suitable or direct replacement faulting to better performance if possible.
Asked by: MES1956
to the best of your ability take some measurements,you need to determine cabinet volume and port dimensions if you dont want or are unable to alter port geometry/tuning frequency.if you dont have an issue with tuning disregard port dimensions temporarily.from this point you will need assistance from someone familiar with speaker design.compile your dimensional data.once you have completed this,repost your findings and there will be numerous people willing to assist you in restoring your 601 II's to better than new condition with contemporary drivers that exceed by far the originals.
Answered by: unk1
Date published: 2013-03-15

Speaker Power Requirements

I am looking to replace my Bose Series 601 Series 2 woofers and considering purchasing these speakers as a replacement. My receiver has 130W RMS per channel and concerned I do not have enough power to operate them at all sound levels.
Asked by: MES1956
i built thousands of 601series2 and 3's in 80's,the power should be the least of your worries,matching those drivers to the cabinet loading should be primary.
Answered by: unk1
Date published: 2013-03-15

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