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Tang Band W8-740P 8" Subwoofer

Brand:| Model: W8-740P
Overview
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.
Highlights
  • One of the highest excursion 8" subwoofers available on the market
  • Heavy-duty paper cone
  • Bumped back plate for maximum mechanical movement
Part # 
264-854
Weight: 10.5201 lbs.  
IN STOCK
List Price$101.67
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Your Price
$78.21
Buy 4-up$74.30
Part # 264-854
Qty:  EA
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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
    (58 Reviews)
  • Weight10.5201 lbs.
  • Case Qty2
  • 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

Tang Band W8-740P 8" Subwoofer
Tang Band W8-740P 8" Subwoofer is rated 4.5517 out of 5 by 58.
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
Rated 4 out of 5 by from For Car Audio Buy this right now!I was apprehensive about purchasing tang band for my car but did it after reading the positive reviews. All I can say is, this woofer is unbelievable! I custom built a .6 cu/ft fiberglass enclosure for my 2010 Silverado. I have a 2" port 7.5" inches long tuned to 40hz. When I listen to anything with a kick drum it's like someone is hitting you in the chest with a hammer. I still can't beleive this dinky sub can evoke that response. Trust me this is a good buy. I have been in car audio for 20 years.
Date published: 2011-02-01
Rated 4 out of 5 by from Great drop in replacement for SUB 80HTUsed this as a replacement for the woofer in the inexpensive Dayton SUB-80HT powered sub. The 80HT is a good starting point, but at that price point, the woofer out of it isn't anything fancy. The 80HT according to my win ISD measurements is tuned to 41hz and is about .76 cu ft, and has two 1.875" diameter ports 10" long.As a drop in replacement the Tang Band 740P provides a nice +3db bump in output around 45hz due to slight mis-match of the port frequency of the box. Win ISD wants the ports to be a bit longer which looks impossible from a physical standpoint.Sound is impressive relative to the 80HTs stock woofer. It goes substantially lower, doesn't bottom out nearly as easy, and unexpectedly has more detail and is more musical to the ear. Definition on string bass is nice. Drums and dynamics have a nice kick, without being boomy. You don't get more overall output because the sensitivity is similar, but you do get more bottom end and it sounds louder in the 25-50hz region.For well under $200 total, the sub sounds night and day better, and is well worth the upgrade.The SUB-80 has an 80w amp and it seems the Dayton 240w plate amp may be a good match, as the amp seems to give up before this woofer does. That may be my next upgrade.Great woofer.
Date published: 2010-12-31
Rated 5 out of 5 by from Absolutely StunningI talked a customer into 4 of these in a Chevy 1500 extended cab. Built the box for 2 of them on the drivers side, (was going to do the pass side over the weekend so he had some bass with half the install done) hooked a small amp to the 2, he does not want the other 2. He had a single pioneer 10" but didn't like how it stuck out from under the rear seat, so thats why he was going with the 8's. The origional design was 1000WRMS to the 4 subs. now he has that amp 8 ohms mono on 2 of these and is hitting 140.3 db... NO B.S. the amp is doing right at 600 WRMS at the 8 ohm load and is absolutely slamming... has a -3db point of 34 hz in the truck, and all that is done is roll on bedliner for sound deadening to achieve this SPL.. this was done 2 weeks ago & since then I have sold 6 more to be installed this weekend and next week for 3 more customers. Put these subs in a .8' box with a 3" x 9" port or a .6' box wih a 2"x6" port or a .5' sealed and put 200Watts to them and you will NEVER be disappointed. I WILL be using more of these, and wish they made 10",12", and 15" in this line.
Date published: 2010-07-22
Rated 4 out of 5 by from good for 50hz and upFor home theater, it is not enough for 40hz and down. I've heard smaller woofer producing much deeper bass with a much higher price tag. But as a sub-woofer, from 50hz and up, very few, regardless of price, can sound better in terms of speed and resolution. For music, this is where this woofer really shines!! Small full range drivers match very well with this woofer. Light speed indeed! Deep earth shaking bass for home theater, it is not.
Date published: 2010-05-26
Rated 5 out of 5 by from ALMOST PERFECT!i was looking for a car sub to go into my 99 civic coupe. im extremely picky about the quality of my bass in tone and speed. so after plotting out tons of different enclosure ideas i came across the perfect match for simplicity and pure bass quality. this insane 8" sub and the peerless P830468 XLS 10" Passive Radiator, 265 gram version. the enclosure was the Goldwood TR10S 10" Single Sealed Box found here on PE. the bass i get in car drops well into the 20's and is so tight and punchy. what is so amazing is how effortlessly this combo reproduces the ultra low frequencies with so much accuracy. this is by far the best sounding car sub ive ever heard. this is not an spl setup but for pure sound quality that still gets louder than needed in car. out of all the subs ive owned this on will be a keeper. ive spent tons of money on subs and bass trying to find the perfect setup and never had what this crazy sub can do for ultra deep pure bass. with this setup the sub is tuned to @29Hz and has a -3db a @30Hz OUT OF CAR! i dare ou to assemble this perfect gem. 100 watts rms is more than sufficient from an amplifier.
Date published: 2010-05-22

Product Q&A

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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.
Tang Band W8-740P 8" Subwoofer

I have the Polk PSW303 subwoofer and was wonder if Tang Band W8-740P 8" Subwoofer is a good replacement sub for that enclosure or are there better options?

Asked by: chada
Actually the best option for that enclosure would be our Dayton Classic 8" subwoofer which you can see below. You will have to double check mounting dimensions, but this is a great match for the enclosure and amplifier.http://www.parts-express.com/dayton-audio-dcs205-4-8-classic-subwoofer-4-ohm--295-200
Answered by: MattP
Date published: 2014-10-16

I am confused by the recommended box volumes and the reviews, questions and answers on this page. It seems like the specs call for a very small box, while people are sharing stories of making much bigger vented boxes. What's the deal? Optimum box?

Asked by: Spaker
There is no such thing as an optimal box. The application and needs are what will determine the proper enclosure for a given woofer like this. Tang Band subwoofers are notorious for requiring tiny vented enclosures and very long ports rendering them not very practical. To combat this you increase cabinet volume to maintain a lower tun which enables the use of a shorter port. 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: 2014-09-02

Does there happen to be a part number for repair kits for these? I have 2 of them that need new dust caps.

Asked by: Jaywinter88
Unfortunately there is not a specific repair kit or replacement dust cap for these woofers. You will have to measure the diameter of the existing dust cap and purchase a replacement that is similar or slightly larger in diameter.
Answered by: MattP
Date published: 2014-08-11

I have a sealed box with .15 cubic feet of space.  I want the deepest sound I can get from it.  I have up to 270 watts available to drive it.  What would be the best driver for this box?  The W8-740P seems like it would be a nice choice.

Asked by: newport2002
This woofer will work well in that volume as long as you keep it sealed. Depending on application, this will play into the low 40's in a home and low 30's in a vehicle.
Answered by: MattP
Date published: 2014-06-25

I need an 8" replacement speaker for my Polk Audio PSW120 Powered Sub Woofer. I think this one might fit the bill. Any thoughts or input would be greatly appreciated. THANKS.

Asked by: Roscoe2u
I would recommend the Dayton DCS205-4 for a replacement in this subwoofer.
Answered by: MattP
Date published: 2014-06-09

Can you please explain differences 740P vs 1363SBF. Both are 150W rms. Would a larger enclosure around .35 cu/ft work better in a car?(better low frequency output, and they are prefabbed) RE - ZTX800 bridged for 1 sub. Front Dayton comp. Thanks

Asked by: Dmtjeep
Both of these woofers work in very similar enclosures and provide a very similar modeled response. I would usually recommend a woofer with a rubber surround for a car application. These are both notoriously difficult to vent in a small box without a passive radiator. A 0.35 volume will be best suited keeping these sealed, in which case you can expect in-car response into the 30's. A vented box this small is not practical unless you can use an external port, but for either woofer in that volume the port would need to be 3" in diameter minimum and 40" long for a decent tuning frequency.
Answered by: MattP
Date published: 2014-06-09

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