Goldwood GW-8028 8" Butyl Surround Woofer 8 Ohm

Goldwood GW-8028 8" Butyl Surround Woofer 8 Ohm

Brand:| Model: GW-8028
Overview
Butyl rubber surrounds are superior to foam in two important ways.
Part # 
290-355
Weight: 3.45 lbs.  
OUT OF STOCK
Due In: 5/8/2014
Your Price
$24.81
Buy 4-up$22.55
Part # 290-355
Qty:  EA
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Product Details

Goldwood GW-8028 8" Butyl Surround Woofer 8 Ohm

Butyl rubber surrounds are superior to foam in two important ways. First, the butyl rubber resists moisture and will not dry rot, providing years of service. Second, the rubber surround, due to its superior damping characteristics will greatly reduce cone break up and ensure low distortion. These woofers are ideal for replacing and upgrading old, worn out drivers. They all feature a polypropylene cone, vented pole piece, foam gasket, soft poly dust cap, and stamped steel frame.



Product Specifications
  • Nominal Diameter8"
  • Power Handling (RMS)100 Watts
  • Power Handling (max)190 Watts
  • Impedance8 ohms
  • Frequency Response35 to 2,500 Hz
  • Sensitivity84 dB 2.83V/1m
  • Voice Coil Diameter1.5"
  • Magnet Weight20 oz.
Thiele-Small Parameters
  • Resonant Frequency (Fs)36 Hz
  • DC Resistance (Re)7.2 ohms
  • Voice Coil Inductance (Le)0.5 mH
  • Mechanical Q (Qms)3.9
  • Electromagnetic Q (Qes)1.21
  • Total Q (Qts)0.92
  • Compliance Equivalent Volume (Vas)1.54 ft.³
  • Mechanical Compliance of Suspension (Cms)0.73 mm/N
  • BL Product (BL)6 Tm
  • Diaphragm Mass Inc. Airload (Mms)26.9g
  • Maximum Linear Excursion (Xmax)2.5 mm
  • Surface Area of Cone (Sd)218.2 cm²
Materials of Construction
  • Cone MaterialPoly
  • Surround MaterialRubber
  • Basket / Frame MaterialSteel
  • Magnet MaterialFerrite
Mounting Information
  • Overall Outside Diameter8"
  • Baffle Cutout Diameter7.25"
  • Depth3.625"
  • # Mounting Holes4
Optimum Cabinet Size *
  • Sealed Volume1.85 ft.³
  • Sealed F341 Hz
  • Vented Volume7.34 ft.³
  • Vented F323 Hz
  • * Enclosure volume/F3s based on BassBox "optimum" calculations-
Goldwood GW-8028 8" Butyl Surround Woofer 8 Ohm
  • BrandGoldwood
  • ModelGW-8028
  • Part Number290-355
  • UPC643420100303
  • Product CategoryWoofers
  • Unit of MeasureEA
  • Product Rating
    (61 Reviews)
  • Weight3.45 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

Goldwood GW-8028 8" Butyl Surround Woofer 8 Ohm
Goldwood GW-8028 8" Butyl Surround Woofer 8 Ohm is rated 4.3934 out of 5 by 61.
Rated 5 out of 5 by from great oem replacement and or upgradeinstalled these babys into a older toyota celica with the subs in front doors... these woofers fit without much modification and sound extremely better than the oem. system responds down past 40Hz with ease!
Date published: 2014-04-02
Rated 5 out of 5 by from Solid soundI purchased a pair of these to replace the woofers in a pair of KLH Model 32 speakers that were originally part of a system purchased in 1975, or thereabouts. One of the original woofers had weather damage and was distorting. These GW-8028s dropped right in, and matched the output of the original tweeters nicely. The low end is very crisp; not muddy in the least. I first compared several 8" woofers on specs and believed these Goldwood replacement would be the best match for the originals. My suspicions were spot on, as they sound absolutely amazing.
Date published: 2014-03-07
Rated 4 out of 5 by from Worth the moneyMy older Advent speaker's drivers gave up after their long service. Spent some time looking on the internet for the right driver replacement. I located what I was looking for on a Parts Express. I decided to give a shot and I ordered two Goldwood GW 8" - 8028 Butyl Surround Woofer drivers from them. Finally when they arrived I was surprised how well they were build and looked. Installed new drivers and I was surprised how well they worked considering that they were not that expensive. I believe that they work actually better then the old woofers, will see how long they will last.
Date published: 2013-09-28
Rated 5 out of 5 by from Great replacement optionI had to replace the woofer in one of my Klipsch tower speakers that I use for outdoor parties. I wasn't going to pay for a new Klipsch for sure so I took a shot on this one. It's a great value for the money. It sounds close enough to the original for a fraction of the cost. Definitely a good deal!
Date published: 2014-01-21
Rated 5 out of 5 by from Great Bose 601 Woofer ReplacementTight fit in Bose 601 Series iii cabinets (these speakers were just a bit too large); however, install went fine without box modification. After listening to for several hours I still get that wonderful Bose 601 sound I have gotten used to. I and all my friends have always loved these speakers and with the replacements installed we think they are every bit as good as the originals.
Date published: 2013-01-27
Rated 3 out of 5 by from Goldwood GW-8028 8"This speaker is the exact make and model in a SoundBridge Cabinet. Great replacement driver and honestly sounded better than the original speakers in the cab.
Date published: 2012-12-18

Product Q&A

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who own this product or have experience with it.
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Goldwood GW-8028 8" Butyl Surround Woofer 8 Ohm

Will this woofer driver work in Bose 601 Series III ?

There is one review said he or she installed a pair of these woofers in his Bose speakers and they worked great. I wonder if they will work in my Bose 601 Series III speakers ?
Asked by: ecs64lurker
They will work, but there is couple of things to keep in mind.The power handling of Bose speakers (200W RMS) is more than twice for what these can handle 130W RMS connected in series. So if you have an amplifier that that can go over 130W RMS you can blow these speakers. The base requires the most power and at low frequencies can peak enough to damage these speakers in even apparently low levels. Barely audible rise in sound requires twice the power. Because these are not very efficient it would be easy to have power level high enough for cause damage for too weak drivers.The other factor is taste how much difference there is in the crossover network optimal point between these and the original. They might sound nice but do they sound real. What somebody might think great might disappoint somebody else.
Answered by: PasiPT
Date published: 2013-01-25

suitable for replacing old 5 ohm woofers in 3 way system?

i have worn out 6-1/2 inch woofers in my 3 way speakers, im looking to replace them. they are 5 ohm and 60 watts. would the goldwoods be ok?
Asked by: basshead
Yes, however the product you selected is an 8" woofer and is 8 ohms.I would select one of the many 6 1/2" woofers available and go with a 4 ohm version since that is closer to your original woofer 5 ohm specs. You could an 8 ohm, but if I remember correctly, this could affect your crossover.
Answered by: dtmoody
Date published: 2012-09-12

Are these woofers suitable for ported cabinets

Are these woofers suitable for ported cabinets?, I wanted to put a set of these in a pair of Infinity SM82 speakers.
Asked by: ccdeville2011
Although the description indicates they are intended for a sealed enclosure, I installed them as replacements in boxes with port tubes. Since the cone sizes were very similar I didn't alter the port tube length. That was good since the drivers tested for over 15 minutes running a 100Hz square wave at 35W continuous to play with the crossovers, box positioning, checking effects on other drivers in the cabinets, and to test their durability. The VCs stayed reasonably cool and the extra load from the ported box didn't seem to affect compliance or heating. If you push them to the full rated 50W continuous you may be at risk, but for an occasional excursion to 50+W and average of 35 they do just fine for me with 2" x 4½"L tubes sharing 2.8 ft^3 box with a mid and two cone tweeters (all open frame) and boxes lined with glass batts. I had nothing to lose at ten bucks apiece and was pleasantly surprised.
Answered by: Watthour
Date published: 2013-02-23

Retro fit ?

Will these "drop in" my Infinity Reference Three cabs ?
Asked by: Big Sticks
All the dimensions for this Goldwood woofer are listed on our website. Pull the original woofer from the enclosure and measure the cutout size. If it is ~7-1/4" (give or take a sixteenth or so) there should not be any modifications required for this to fit. New screw holes may be necessary.
Answered by: MattP
Date published: 2013-05-08

What is the optimum internal volume of a cabinet for two of these?

I am intending to build two cabinets with two woofers in each. They are to be used as my surround speakers, and modeled after my Infinity Column II's I bought back in the '70's. They have tens in them and are about a foot square and 40 inches tall. I would like the finished product to be roughly 80% of the Infinity's.
Asked by: Speakerasm
The recommended enclosure for these is about 6 cubic feet sealed. They will work in a smaller volume that is heavily stuffed however. You can expect in room response into the mid-upper 30's.
Answered by: MattP
Date published: 2013-10-07

I am looking for an 8" woofer as a replace for the speaker in my Bose 301 Series ll 8 ohm speaker= rated for 10-75 Watts RMS, Cross over 1.5 kHz and 2.5 kHz, port-ducted enclosure.  Would this be a suitable replacement woofer?

Asked by: ChiefEd
These are a very popular choice for the Bose 301 speakers.
Answered by: MattP
Date published: 2014-02-17

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