Goldwood GW-S650/4 6-1/2" Poly Cone Woofer 4 Ohm

Goldwood GW-S650/4 6-1/2" Poly Cone Woofer 4 Ohm

Brand:| Model: GW-S650/4
Overview
These silver polymer cone woofers feature a cosmetic stamped steel frame, vented and bumped back plate, and high-quality rubber surround. The relatively shallow profile, polymer construction, and T/S parameters make them great for automotive environments.
Part # 
290-308
Weight: 2.8 lbs.  
IN STOCK
Your Price
$19.17
Buy 4-up$16.72
Part # 290-308
Qty:  EA
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Product Details

Goldwood GW-S650/4 6-1/2" Poly Cone Woofer 4 Ohm

These silver polymer cone woofers feature a cosmetic stamped steel frame, vented and bumped back plate, and high-quality rubber surround. The relatively shallow profile, polymer construction, and T/S parameters make them great for automotive environments.



Product Specifications
  • Nominal Diameter6-1/2"
  • Power Handling (RMS)80 Watts
  • Power Handling (max)170 Watts
  • Impedance4 ohms
  • Frequency Response35 to 5,000 Hz
  • Sensitivity90 dB 2.83V/1m
  • Voice Coil Diameter1"
  • Magnet Weight20 oz.
Thiele-Small Parameters
  • Resonant Frequency (Fs)55 Hz
  • DC Resistance (Re)3.7 ohms
  • Voice Coil Inductance (Le)0.3 mH
  • Mechanical Q (Qms)3.79
  • Electromagnetic Q (Qes)0.87
  • Total Q (Qts)0.71
  • Compliance Equivalent Volume (Vas)0.55 ft.³
  • Mechanical Compliance of Suspension (Cms)0.57 mm/N
  • BL Product (BL)4.61 Tm
  • Diaphragm Mass Inc. Airload (Mms)14.6g
  • Maximum Linear Excursion (Xmax)2.5 mm
  • Surface Area of Cone (Sd)139.7 cm²
Materials of Construction
  • Cone MaterialPoly
  • Surround MaterialRubber
  • Basket / Frame MaterialSteel
  • Magnet MaterialFerrite
Mounting Information
  • Overall Outside Diameter7"
  • Baffle Cutout Diameter5.875"
  • Depth2.875"
  • # Mounting Holes4
Optimum Cabinet Size (determined using BassBox 6 Pro High Fidelity suggestion)
  • Sealed Volume1 ft.³
  • Sealed F366 Hz
  • Vented Volume1.53 ft.³
  • Vented F335 Hz
Goldwood GW-S650/4 6-1/2" Poly Cone Woofer 4 Ohm
  • BrandGoldwood
  • ModelGW-S650/4
  • Part Number290-308
  • UPC643420100518
  • Product CategoryWoofers
  • Unit of MeasureEA
  • Product Rating
    (27 Reviews)
  • Weight2.8 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-S650/4 6-1/2" Poly Cone Woofer 4 Ohm
Goldwood GW-S650/4 6-1/2" Poly Cone Woofer 4 Ohm is rated 4.2963 out of 5 by 27.
Rated 4 out of 5 by from Good inexpensive replacementBought this to replace my blown Yamaha subwoofer, it sounds good as long as you don't over power it. Distorts badly with lower frequencies.
Date published: 2014-09-05
Rated 5 out of 5 by from Great factory car speaker repalcement!I replaced the factory speakers in my 2013 Subaru BRZ with a pair of these. I purchased custom spacers from a third party vendor to ensure a trouble-free instalaltion and fit. My car has factory 2 ohm drivers in the door and a factory amp to power them. I replaced the factory amp with two Alpine KTP-445U micro amps (one for the dash and door speakers, another bridged driving a shallow sub). The Alpines deliver 45w x4 and 90w x 2 when bridged. I use a an FMOD to filter the door speakers below 500hz and a cap to filter the dash spekers above 500hz. Replacing the factory door speakers with these made all the difference in the world! The mid-bass is very clean and tight. I can run them with a high pass filter as low as 40hz without distortion. I am close to being a perfectionist for sound quality, and these drivers deliver. You cannot beat PE for price, selection, or customer service excellence.
Date published: 2013-10-21
Rated 5 out of 5 by from Can't Go Wrong With TheseI put these as replacement speakers in my Yukon. Playing above 125 and cuts off at about 5000. Paired with a Vifa BC25TG15-04 1" Silk Dome Tweeter. Great response and installed fairly easy with some self tapping screws and weather seal. Best value I've ever and I've been a hobbyist for over 16 years.
Date published: 2013-10-19
Rated 5 out of 5 by from Good DealHave no complaints. It arrived before I expected it with no damage and works as advertised. Can't hardly beat a deal like that.
Date published: 2013-09-24
Rated 5 out of 5 by from Replaced Klipsch promedia 4.1 subsI bought 2 of these woofers to replace the subs in my Klipsch ProMedia 4.1 subwoofer unit. They sound just as good as the original subs. They fit perfectly, but the sub covers for the original speakers need to be modified a bit to fit over the new subs. Extremely cost effective and easy repair..
Date published: 2013-09-07
Rated 4 out of 5 by from Mini-Van Replacement WoofersMy wife blew out the factory woofer of the front combination speaker in a JBL audio system. The first replacement by mistake was with a Pioneer coaxial speaker, my bad. Out of frustration I did some research and found these Goldwood Silver Poly Woofers for cheap with outstanding specs and took a chance. My wife is happy, Def Leopard rides again, and my ears are as pleased as my pocketbook. Sometimes you get lucky! Thanks to parts express on the very detailed brochures.
Date published: 2013-02-18
  • 2015-04-28T07:53CST
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Product Q&A

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who own this product or have experience with it.
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please email tech@parts-expresss.com  for a prompt reply.
Goldwood GW-S650/4 6-1/2" Poly Cone Woofer 4 Ohm

How well would this work in an open baffle design?

Asked by: breed
These should work well for an open baffle application.
Answered by: MattP
Date published: 2015-02-05

hi can i use these to rebuild ar m4 speaker, thanks alfir

Asked by: alfie27
We do not have a cross reference available for this type of thing. Please contact our tech support for more help with this question, tech@parts-express.com or 800-338-0531 x1.
Answered by: MattP
Date published: 2015-01-27

Would these fit in the br1 cabs......?

Asked by: sirjay28
These will not fit the BR-1 cabinets without modification.
Answered by: MattP
Date published: 2014-11-28

I have a bunch of these in the 4 ohm version. I built a sealed 1 cu. ft. box and paired it with the Selenium d220ti crossed at 1600 and the Pyle waveguide. They sound GREAT! Now I want to put 2 in a box,. What is the optimum box size? Ported or sealed?

Asked by: denzee300
I would recommend a sealed box between 1 and 2 cubic feet. A smaller box will provide a little more punch but less low end.
Answered by: MattP
Date published: 2014-04-01

I plan to build a 1.53 cu. ft. ported box for this driver. What are the port dimensions in either a slot or tube? Thanks.

Asked by: denzee300
I would recommend a standard port tube that is 2" in diameter and 1-1/2" long. This will tune the box to about 40 Hz.
Answered by: MattP
Date published: 2014-03-10

I have this woofer in a .36 cu. ft. box. What are the best port dimensions?

Asked by: denzee300
I would not recommend porting this volume, it is much too small for this woofer. Keeping it sealed will provide a much smoother bass response and play into the 40's in room.
Answered by: MattP
Date published: 2014-03-07
  • 2015-04-28T10:25CST
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  • clientName_PartsExpressInternational

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