Tang Band W8-740P 8" Subwoofer

Brand:|Model: W8-740P
The W8-740P is one of the highest excursion 8" subwoofers available on the market. It utilizes a heavy-duty paper cone, foam surround, and bumped back plate for maximum mechanical movement.
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List Price$101.67
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Part # 264-854
  • One of the highest excursion 8" subwoofers available on the market
  • Heavy-duty paper cone
  • Bumped back plate for maximum mechanical movement

Product Details

Tang Band W8-740P 8" Subwoofer

The W8-740P is one of the highest excursion 8" subwoofers available on the market. It utilizes a heavy-duty paper cone, foam surround, and bumped back plate for maximum mechanical movement. The 2" 4-layer voice coil, vented pole piece, and heavy-duty aluminum voice coil former provide impressive power handling. Excellent for small-enclosure home or automotive subwoofers.

Product Specifications
  • Nominal Diameter8"
  • Power Handling (RMS)150 Watts
  • Power Handling (max)300 Watts
  • Impedance4 ohms
  • Frequency Response28 to 1,000 Hz
  • Sensitivity84 dB 1W/1m
  • Voice Coil Diameter2"
  • Magnet Weight50 oz.
Thiele-Small Parameters
  • Resonant Frequency (Fs)28 Hz
  • DC Resistance (Re)3.2 ohms
  • Voice Coil Inductance (Le)3.18 mH
  • Mechanical Q (Qms)10.53
  • Electromagnetic Q (Qes)0.3
  • Total Q (Qts)0.3
  • Compliance Equivalent Volume (Vas)0.81 ft.³
  • Mechanical Compliance of Suspension (Cms)0.33 mm/N
  • BL Product (BL)13.35 Tm
  • Diaphragm Mass Inc. Airload (Mms)95g
  • Maximum Linear Excursion (Xmax)12 mm
  • Surface Area of Cone (Sd)220 cm²
Materials of Construction
  • Cone MaterialPaper
  • Surround MaterialFoam
  • Voice Coil FormerAluminum
  • Basket / Frame MaterialSteel
  • Magnet MaterialFerrite
Mounting Information
  • Overall Outside Diameter8.27"
  • Baffle Cutout Diameter7.25"
  • Depth4.75"
  • # Mounting Holes8
Optimum Cabinet Size (determined using BassBox 6 Pro High Fidelity suggestion)
  • Sealed Volume0.11 ft.³
  • Sealed F380 Hz
  • Vented Volume0.25 ft.³
  • Vented F350 Hz
Tang Band W8-740P 8" Subwoofer
  • BrandTang Band
  • ModelW8-740P
  • Part Number264-854
  • UPC844632009822
  • Product CategorySubwoofer Drivers
  • Unit of MeasureEA
  • Product Rating
    (63 Reviews)
  • Weight10.5201 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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Tang Band W8-740P 8" Subwoofer
Tang Band W8-740P 8" Subwoofer is rated 4.5873 out of 5 by 63.
Rated 5 out of 5 by from Wow! This woofer sounds amazingLook guys, I've been doing this a LONG time... Used many different woofers in numerous cars... Polk Audio, Cerwin Vega, Fosgate, JL Audio, MTX, Orion... This 8" sounds amazing... Best money I've spent on a woofer yet... Super tight install in a Jeep Wrangler 2 door... .81 cu ft box, 3" port, 21" long, stuffed, but not overstuffed and it sounds incredible. Fills in the sound extremely well! Build the box right, and you will be rewarded very well...
Date published: 2015-09-11
Rated 5 out of 5 by from Best Sub for the price.I got one of these subs and I actually put it as a replacement in a bazooka BTA825D active enclosure. It hits much harder then the sub that was originally in the bazooka. Its getting about 200 watts RMS. I'm very happy with it. I know if I make a custom box for this sub to the specs of the manufacturer, then I can definitely get even more bass out of it. This sub is also good for home theater systems.
Date published: 2015-04-22
Rated 5 out of 5 by from Great performer!Bought 2 of these after reviewing some of the reviews, and am glad I did. Put 2 of these in a 1.8 cubic foot net ported enclosure. Tuned to 38hz, with a 5.5 h x 3.5 w x 20 l port, with 500 clean watts going to them, and could not be happier. (Although once I rebuild the box later, will give it more port area, these little 8's move some air!) Thinking about picking up 2 more in the future, if I can manage to squeeze all 4 into my standard cab F150.
Date published: 2015-04-20
Rated 5 out of 5 by from Solid/cleanWithout being technical, Tang Band is a solid brand that is under rated on many levels. Sound quality is perfect, not good, not great, perfect. Magnet (motor) is beefy, spider is well made, cone and surround are great. Have two of these 8in. They go deeper than 2 jl w1 10in subs in sealed box. I put one in a 4th order (sealed and ported box with sub in the middle) and put it in a 2004 F-150. Everyone is shocked at how loud, clear, and earth shaking it is! Same setup for a Honda Accord. Both have a Rockford Fosgate Rockford Fosgate Prime R500X1D 500 at 4 ohms. If you are looking for affordable, compact, and powerful, this is the best sub I have found on the market.
Date published: 2015-01-21
Rated 5 out of 5 by from Deserves a big passive radiatorThis is a superb driver as all the other reviews attest. Tremendous Xmax, can be used in very small boxes, sounds like a 10" or 12". However there is one very important thing that doesn't get mentioned much: This thing will over-drive most ports and passive radiators. A 2" diameter port is way too small and will generate turbulence, wind noise and distortion long before the driver runs out of cone travel. Even a 10" Dayton Passive Radiator is too small, this driver can overdrive it at the tuning frequency. That's right, it easily bottoms out a 10" quality PR - I did it with an NAD 2140 amp. You should really use a 12" Passive Radiator with this thing to get all the output it's capable of. And if you do that, it will truly shake the walls.
Date published: 2014-11-22
Rated 5 out of 5 by from Great drop in replacementSo far this driver is a great replacement for the junk that came in a Cerwin Vega HTIB sub I bought for $20. Without any other tweaks to the enclosure this sub is far better at everything, much lower response, tighter transitions and overall well matched with my 5.25" desktop speakers. For a total investment of $95 it can't be beat.If you're looking for huge low end or lots of SPL, you're going to have to put in more effort than I felt like, but I can believe its very possible.Check the image to see the driver versus what comes in a cheap sub.
Date published: 2012-01-03
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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-express.com  for a prompt reply.
Tang Band W8-740P 8" Subwoofer

What enclosure would be the best for this driver?  Sealed, Ported, PR. I want to build it a small sealed enclosure but is there a chance that with its crazy xmax that it would make a vacuum on the surround and rip it?

Asked by: Mark Bethel
Small sealed will work well. The surrounds on this woofer are thick enough that it will not deform due to any vacuum pressures from inside the enclosure. A volume of 0.3-0.5 will work well.
Answered by: MattP
Date published: 2015-08-14

what is the volume of this driver? I'm making my own cabinet for it.

Asked by: Mark Bethel
This woofer has a displacement of 0.058 cubic feet.
Answered by: MattP
Date published: 2015-08-13

Hi, Looking at the part# 300-7064, the .56 cu. ft. cabinet might also work with the w8-740P, it is closer to optimal and also cheaper. What size port or passive radiator would be acceptable with this cabinet? Thannks

Asked by: Cecil
This volume will work well but only with passive radiators. I would recommend two of the 8" Daytons with 75 grams of weight added to each, which will provide a tuning frequency of 38 Hz and and F3 of 40 Hz.
Answered by: MattP
Date published: 2015-06-10

Can this subwoofer be used as free air on the rear deck of a 4 door sedan?

Asked by: james eps 1212
No, it would not be recommended.
Answered by: MattW
Date published: 2015-04-23

What size amp should do i need for this? Also are there any boxes for this that are recomended that i could buy?

Asked by: BrickDabkowski
Any amp that is rated for 100-200 watts RMS into 4 ohms would work well for this subwoofer. Our SA100 or the Yung SD200 would both be good options. The only enclosure we have that would work well with this woofer would be the 0.75 cubic foot knock down type below.http://www.parts-express.com/knock-down-mdf-075-cu-ft-subwoofer-cabinet-for-dayton-audio-8-reference-series-ho-subwoof--300-7075
Answered by: MattP
Date published: 2015-04-20

I am building a box for a Tang Band w8-704p 6.5x9.75x27 outside measurements in inches. Int. volume .606 cf. I see that using a 3in port would need to be 20in. Is it possible to use a 2in port of shorter length or would that hurt performance?

Asked by: Jomama
Please contact our tech support for more help with this question, tech@parts-express.com or 800-338-0531
Answered by: MattW
Date published: 2015-04-09
  • 2015-10-10T08:51CST
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