Goldwood GW-6PC-4 6-1/2" Heavy Duty Woofer 4 Ohm

Goldwood GW-6PC-4 6-1/2" Heavy Duty Woofer 4 Ohm

Brand:| Model: GW-6PC-4
Overview
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 # 
290-307
Weight: 4.5 lbs.  
IN STOCK
Your Price
$31.00
Buy 4-up$28.50
Part # 290-307
Qty:  EA
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Product Details

Goldwood GW-6PC-4 6-1/2" Heavy Duty Woofer 4 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 Diameter6-1/2"
  • Power Handling (RMS)140 Watts
  • Power Handling (max)280 Watts
  • Impedance4 ohms
  • Frequency Response46 to 3,000 Hz
  • Sensitivity85.1 dB 2.83V/1m
  • Voice Coil Diameter1.5"
  • Magnet Weight20 oz.
Thiele-Small Parameters
  • Resonant Frequency (Fs)45.6 Hz
  • DC Resistance (Re)3.7 ohms
  • Voice Coil Inductance (Le)0.9 mH
  • Mechanical Q (Qms)7.95
  • Electromagnetic Q (Qes)0.97
  • Total Q (Qts)0.88
  • Compliance Equivalent Volume (Vas)0.35 ft.³
  • Mechanical Compliance of Suspension (Cms)0.35 mm/N
  • BL Product (BL)5.89 Tm
  • Diaphragm Mass Inc. Airload (Mms)61.64g
  • Maximum Linear Excursion (Xmax)4 mm
  • Surface Area of Cone (Sd)136.43 cm²
Materials of Construction
  • Cone MaterialPoly
  • Surround MaterialRubber
  • Basket / Frame MaterialCast Aluminum
  • Magnet MaterialFerrite
Mounting Information
  • Overall Outside Diameter6.875"
  • Baffle Cutout Diameter6.125"
  • Depth3.125"
  • # Mounting Holes4
Optimum Cabinet Size (determined using BassBox 6 Pro High Fidelity suggestion)
  • Sealed Volume0.53 ft.³
  • Sealed F349 Hz
  • Vented Volume1.59 ft.³
  • Vented F327 Hz
Goldwood GW-6PC-4 6-1/2" Heavy Duty Woofer 4 Ohm
  • BrandGoldwood
  • ModelGW-6PC-4
  • Part Number290-307
  • UPC643420100150
  • Product CategoryWoofers
  • Unit of MeasureEA
  • Product Rating
    (12 Reviews)
  • Weight4.5 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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Reviews

Goldwood GW-6PC-4 6-1/2" Heavy Duty Woofer 4 Ohm
Goldwood GW-6PC-4 6-1/2" Heavy Duty Woofer 4 Ohm is rated 4.4167 out of 5 by 12.
Rated 5 out of 5 by from Great valueThese were a slightly larger diameter than my older lighter duty poly 6 1/2s, otherwise, they were a cosmetically perfect match. I very much like the cast basket and synthetic foam front seal, very durable rubber surround and gold post terminals. This woofer has a healthy 'voice', I am getting solid bass extension over my old mid woofers. Power handling seems not an issue for them, even at high volume @235 watts. At moderate listening levels (where I mostly keep it) and during home theater duty, these babys have plenty of clean bass, (almost couldn't tell my subs were off!), so I haven't lost anything efficiency wise . Oh, and thanks Parts Express for such a fast turnaround, always a sunny shopping experience!
Date published: 2012-02-07
Rated 4 out of 5 by from Nice speakers for the moneyThese speakers performed best in a small sealed cabinet.They performed better than I expected in a transmission line with very good bass and cone control. (midrange needed)They worked ok in a ported cabinet. They took some time for tuning. They needed alot of power for cone movement.They sounded best with the help of a midrange mostly in the larger cabinets where I was going for the lower bass response.These speakers were missing some of the natural mids I hear in other speakers I have worked with.
Date published: 2011-12-03
Rated 5 out of 5 by from Power rating?These might just be the best woofers i have. I put 500 watts through them and they took it like a pro.
Date published: 2011-07-31
Rated 5 out of 5 by from Great replacement - gave new life to JBL Pro VIIsThe foam surrounds had given up on the OEM woofers. I didn't want the hassle of replacing it although the woofers still were "okay". I put these in and wow! I guess JBL didn't offer something like these back then - well, they are from 1986 or so. After seeing some DIYs on P-E, I do believe I will be building my own after researching how and clearing the workshop up for that project.
Date published: 2010-12-29
Rated 5 out of 5 by from Big Bang for the Buck!I installed 4 of these in pre-cut holes of the rear deck of my 97 Benz E-class & the trunk which is well sealed from the interior served as the oversized enclosure as in a Infinite Baffle setup. I'm running a Alpine IVA-D106 HU with Imprint EQ, Bose 6 1/2" separates in FR & 4 1/2" separates in RR run off of a 60x4 watt amp for fR & RR and a 480 watt mono amp pushing the Goldwoods wired in series and parallel to produce a 4 ohm mono load for the amp. I'm glad I didn't opt for pricy high end woofers because the Goldwoods sound excellent and get incredibly loud with no distortion. The bass sounds much bigger since I have them boosted at 40hz and and Subsonic filter at 30hz. These speakers are beefy and their over-sized metal basket, vented voice coil magnet & rubber surround make them very durable. Very nice bargain! Thanks!
Date published: 2010-04-03
Rated 5 out of 5 by from more than I expectedI chose these 6.5's to replace worn woofers in my old advent surround bookshelfs. They weren't the greatest choice because these speakers are solidly built, stiff, and obviously designed for higher power applications. They sound just fine for my application, but I am sure I could've chosen a more efficient speaker for my application.
Date published: 2010-01-22

Product Q&A

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Goldwood GW-6PC-4 6-1/2" Heavy Duty Woofer 4 Ohm

The 4 ohm version shows a sealed optimum volume of .533 cu ft but the 8 ohm as .1.  Is that correct? I am replacing my factory sub and I'm limited to a sealed space of .225 cu ft. 

Asked by: Tom in Indy
The box volumes are accurate. Sealed volumes are very forgiving so either of these drivers will work, you will need to use the impedance that is required or that matches the original woofer.
Answered by: MattP
Date published: 2014-09-17

Is the X-max of 4.0 mm total or in just one direction. 4.0 mm seems like a very small amount of travel for the power rating.

Asked by: JoLynn
Xmax is one-way linear unless otherwise specified. High power handling doesn't always mean high excursion, most high powered woofers (with the exception of car audio type woofers etc) will have fairly short Xmax due to the intended application when they're not meant to play lower than 40-50 Hz.
Answered by: MattP
Date published: 2013-02-23

will these work as midrange speakers

Asked by: skl1
yes
Answered by: C from Claypool
Date published: 2014-01-23

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