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Goldwood GW-8004 8" Coaxial Speaker

Brand:| Model: GW-8004
Overview
This full range coaxial driver features a neodymium tweeter, 8" woofer with a rubber surround, 1" voice coil, 8 ohm impedance, 87 dB sensitivity, and 35 watt RMS power handling capability. Frequency response 35-20,000 Hz. Standard EIA 4 hole mounting configuration.
Part # 
290-378
Weight: 3.6 lbs.  
IN STOCK
Your Price
$30.12
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Part # 290-378
Qty:  EA
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Product Details

Goldwood GW-8004 8" Coaxial Speaker

This full range coaxial driver features a neodymium tweeter, 8" woofer with a rubber surround, 1" voice coil, 8 ohm impedance, 87 dB sensitivity, and 35 watt RMS power handling capability. Frequency response 35-20,000 Hz. Standard EIA 4 hole mounting configuration. The extended frequency range makes this driver useful as a ceiling speaker, background music speaker, or as a single-driver hi-fi speaker. The rubber surround ensures long-lasting performance. 



Product Specifications
  • Nominal Diameter8"
  • Power Handling (RMS)35 Watts
  • Power Handling (max)50 Watts
  • Impedance8 ohms
  • Frequency Response35 to 20,000 Hz
  • Sensitivity87 dB 1W/1m
  • Voice Coil Diameter1"
  • Magnet Weight20 oz.
Thiele-Small Parameters
  • Resonant Frequency (Fs)51.1 Hz
  • DC Resistance (Re)7.6 ohms
  • Voice Coil Inductance (Le)0.68 mH
  • Mechanical Q (Qms)3.77
  • Electromagnetic Q (Qes)1.2
  • Total Q (Qts)0.91
  • Compliance Equivalent Volume (Vas)0.99 ft.³
  • Mechanical Compliance of Suspension (Cms)0.43 mm/N
  • BL Product (BL)6.73 Tm
  • Diaphragm Mass Inc. Airload (Mms)22.4g
  • Surface Area of Cone (Sd)214.08 cm²
Materials of Construction
  • Cone MaterialPoly
  • Surround MaterialRubber
  • Basket / Frame MaterialSteel
  • Magnet MaterialNeodymium
Mounting Information
  • Overall Outside Diameter8"
  • # Mounting Holes4
Optimum Cabinet Size (determined using BassBox 6 Pro High Fidelity suggestion)
  • Sealed Volume2.39 ft.³
  • Sealed F349 Hz
  • Vented Volume5.09 ft.³
  • Vented F329 Hz
Goldwood GW-8004 8" Coaxial Speaker
  • BrandGoldwood
  • ModelGW-8004
  • Part Number290-378
  • UPC643420100747
  • Product CategoryCoaxial Full-Range Speakers
  • Unit of MeasureEA
  • Product Rating
    (7 Reviews)
  • Weight3.6 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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in the Coaxial Full-Range Speakers product category.

Reviews

Goldwood GW-8004 8" Coaxial Speaker
Goldwood GW-8004 8" Coaxial Speaker is rated 4.4286 out of 5 by 7.
Rated 4 out of 5 by from Keep it simpleI have just used a pair of these 1n some old dead antique RCA 100A speakers. I built them for rear channel cabinets in my vintage theater room. The sound just great in this application.
Date published: 2008-03-23

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 tech@parts-expresss.com  for a prompt reply.
Goldwood GW-8004 8" Coaxial Speaker

What is the center to center distance for an 8" Standard EIA 4 hole mounting configuration?

I have old antique pyramid shaped speaker enclosures with 4 studs on a 7-3/4" diameter bolt circle. Will these speakers fit over this pattern?
Asked by:
Yes, the common spacing EIA standard for an 8" speaker is 7 3/4" o/c. This speaker should be a direct fit.
Answered by: Nitnub
Date published: 2013-01-03

Could this be used as a replacement driver for an outdoor rock speaker?

Asked by: pxm27s
Looks like it was designed for such appkication.
Answered by: Victorinox
Date published: 2012-07-11

Ballpark for a notch filter?

By looking at published curve, can you guess at a notch to tame that bump?
Asked by: TicoLizard
A notch filter is used in association with the rise in the speakers impedence at resonant frequency. I don't understand use of one in an application with this speaker as a single speaker on a channel.Please provide more information. If this was to be used in a 2 way box with a 10" woofer I would most likely try an LCR at between 3.5khz and 4.5 khz.
Answered by: Nitnub
Date published: 2012-04-21

What is the diameter of the GW-8004 8" coax speaker

Asked by: Davek12
8 inches
Answered by: A.M. Productions
Date published: 2011-10-30

Could I put 4 of these in a series-parallel to get 8ohms?

I was thinking of buying multiples of these and having 4 surrounds for each rear surround channel. Driven by 115 watts RMS per 4 drivers.
Asked by: eikm
Yes, you can wire 4 of these in a series-parallel configuration to achieve an 8 ohm load.
Answered by: RussR
Date published: 2011-09-30

Does this speaker need an external crossover network?

Asked by: Duncan
No, there is no need for an external crossover, it is built into the speaker.
Answered by: RussR
Date published: 2011-07-29

What is the cone material?

Paper? Kevlar? Poly?
Asked by: bmwdude
This item features a polymer cone.
Answered by: RussR
Date published: 2011-06-27

how would I build a vented box for this speaker to get the best overall response.

I/ve checked some speaker box calculators and find it hard to believe that I need a 3 foot tall box.
Asked by: jalang63
Please see the previous question and answer for the optimum vented box size.
Answered by: mikevv
Date published: 2013-05-17

where are the driver specs?

Neither your website or my package for these speakers have the woofer specs. How would one know how to design a proper vented cabinet without the driver specs?
Asked by: jalang63
The manufacturer lists the specifications as:Specifications: * Power handling: 35 watts RMS * VCdia: 1" * Le: .68 mH * Impedance: 8 ohms * Re: 7.6 ohms * Frequency range: 35-20,000 Hz * Fs: 51.1 Hz * SPL: 87 dB 1W/1m * Vas: 0.985 cu. ft. * Qms: 3.77 * Qes: 1.2 * Qts: 0.91.The optimum vented enclosure is quite large due to the Qts. I show that it would need to be 5.325 cubic feet and use two 3" diameter ports that are two inches long (I've listed a port below that you could cut to the correct length).This would create a cabinet that is tuned to 37 Hz, which is also close to what the F3 would be. I would list the power handling of this configuration at 20 watts RMS due to Xmax. Maximum output would be around 103 dB.
Answered by: mikevv
Date published: 2012-05-11

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