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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
Regular Price$78.21
You Save15%
Sale Price
$66.47
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
    (60 Reviews)
  • Weight10.5201 lbs.
  • Case Qty2
  • 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

Tang Band W8-740P 8" Subwoofer
Tang Band W8-740P 8" Subwoofer is rated 4.5667 out of 5 by 60.
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: 0019-04-19
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: 2014-11-11
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: 2011-11-01
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: 0008-10-30
  • 2015-03-26T06:39CST
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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

Hi, I want to build 2 boxes. One sealed, which you answer a question about, and one ported. I know the ports must be long with this sub, but what port size would you recomend if I built a 9x9x20" (0.60 cu ft) box and which PE port would you recommend?

Asked by: EVB1
The port for this volume would have to be 3" in diameter and 20" long. Unfortunately we do not have any ports that will work for this unless you purchased a Precision Port kit and added an extension tube. This port would have to be external.
Answered by: MattP
Date published: 2015-03-10

I'm trying to get as close to 0.11 ft^3 as I can with a sealed box. What is the displacement of the sub (I assume that's not taken into account for optimal enclosure)?  Also, what would be the response in a 10'X10' room in a 0.11 ft^3 box. Thanks. 

Asked by: EVB1
This woofer displaces about 0.056 cubic feet. I cannot model it in a given room, but I can say that in that volume you will have an F3 of 80 Hz and an F10 of about 48 Hz.
Answered by: MattP
Date published: 2015-03-06

I have a Vizio S5451W‑C2 54" soundbar 5.1 surround sound home theater in a box. Would this make a noticeable improvement in the sound of the 8" subwoofer included in this setup?

Asked by: ajsmcs
This requires a bit more information in order to proceed. 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: 2015-02-25

Can this sub be run in free air configuration? If so does the power handling change?

Asked by: THEunderACH1EVER
It can, but you will want to watch excursion. The power handling won't change but the driver will reach its mechanical limits with as little as 100 watts.
Answered by: MattP
Date published: 2015-02-17

Thinking of this in a tower design in the sealed box portion low passed at 80-100Hz with TB W8-1808 in OB for the remaining ranges above. Would like to cross higher for the sake of the full range driver, but don't want to get boxy. Is this high enough?

Asked by: ibrokeit
The crossover point will have to be determined by listening tests. Generally when you get above~100 Hz the sub can be localized unless it is within close proximity to the full range driver. It will handle a higher crossover without a problem, but determining the final crossover point will be up to you.
Answered by: MattP
Date published: 2015-02-11

Can i use this as a replacement speaker for my sub 800?

Asked by: John M
It will work, but there won't be much improvement over the stock driver, so simply using it as an upgrade isn't very practical. If there is something wrong with the stock driver it will work, but a cheaper option that would work better in that enclosure volume would be the DCS205.http://www.parts-express.com/dayton-audio-dcs205-4-8-classic-subwoofer-4-ohm--295-200
Answered by: MattP
Date published: 2014-11-19
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