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Vifa NE65W-04 2" Full Range Woofer

Brand:| Model: NE65W-04
Overview
Vifa's NE Series full-range drivers feature an innovative sculpted, open cast aluminum basket design that minimizes internal acoustic reflections and acts as the neodymium motor's heatsink.
Highlights
  • Cast aluminum frame acts as a heatsink
  • Sculpted design promotes cooling and reduces reflections
  • High-strength compact neodymium motor
  • Aluminum cone with half-roll rubber surround
  • Long-throw voice coil on titanium former
  • Copper pole piece cap for extended HF response
  • 4 ohm nominal impedance
Part # 
264-1046
Weight: 0.3 lbs.  
IN STOCK
List Price$47.99
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Your Price
$32.95
Buy 4-up$30.94
Part # 264-1046
Qty:  EA
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Product Details

Vifa NE65W-04 2" Full Range Woofer

Vifa's NE Series full-range drivers feature an innovative sculpted, open cast aluminum basket design that minimizes internal acoustic reflections and acts as the neodymium motor's heatsink. The cone is aluminum, with a butyl rubber surround designed by finite element analysis for linearity of performance. FEA techniques also contribute to the motor's copper cap, which reduces inductance and extends high frequency performance.



Product Specifications
  • Nominal Diameter2"
  • Power Handling (RMS)20 Watts
  • Power Handling (max)40 Watts
  • Impedance4 ohms
  • Frequency Response150 to 18,000 Hz
  • Sensitivity82.2 dB 1W/1m
  • Voice Coil Diameter1"
Thiele-Small Parameters
  • Resonant Frequency (Fs)166 Hz
  • DC Resistance (Re)3.7 ohms
  • Voice Coil Inductance (Le)0.04 mH
  • Mechanical Q (Qms)5
  • Electromagnetic Q (Qes)0.74
  • Total Q (Qts)0.65
  • Compliance Equivalent Volume (Vas)0.006 ft.³
  • Mechanical Compliance of Suspension (Cms)0.58 mm/N
  • BL Product (BL)2.85 Tm
  • Diaphragm Mass Inc. Airload (Mms)1.58g
  • Maximum Linear Excursion (Xmax)1.65 mm
  • Surface Area of Cone (Sd)14.7 cm²
Materials of Construction
  • Cone MaterialAluminum
  • Surround MaterialRubber
  • Voice Coil FormerTitanium
  • Basket / Frame MaterialCast Aluminum
  • Magnet MaterialNeodymium
Mounting Information
  • Overall Outside Diameter2.56"
  • Baffle Cutout Diameter1.83"
  • Depth1.47"
  • # Mounting Holes3
Optimum Cabinet Size (determined using BassBox 6 Pro High Fidelity suggestion)
  • Sealed Volume0.01 ft.³
  • Sealed F3206 Hz
  • Vented Volume0.02 ft.³
  • Vented F3105 Hz
Vifa NE65W-04 2" Full Range Woofer
  • BrandVifa
  • ModelNE65W-04
  • Part Number264-1046
  • UPC844632083846
  • Product CategoryWoofers
  • Unit of MeasureEA
  • Product Rating
    (10 Reviews)
  • Weight0.3 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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Reviews

Vifa NE65W-04 2" Full Range Woofer
Vifa NE65W-04 2" Full Range Woofer is rated 4.6 out of 5 by 10.
Rated 4 out of 5 by from So far, so good!Originally installed in series with door speaker (NEVER AGAIN) as a "two-way" matched with Morel MDT-12 crossed @ 2.5 kHz in modified dashboard location #in other words; no dashboard location existed, I was attempting to raise the soundstage, therefore I MADE a location#. I quickly discovered this driver's low-frequency limitations. HPF was adjusted gradually from 500 to about 1 kHz before breakup disappeared. Granted, I like to experiment and this little baby is taking a LOT more power than it's meant to #dumb, I know, but severe space restrictions guided my speaker selection and I got the amp for a ridiculous price#. My MDT melted in the sun, so I just made this a tweeter paired with my door speakers. Getting about 60 WRMS at >2.5kHz #12dB/Octave# and sounds great. Highs are very nice! I am certainly going to turn the gain down #10V output should be ideal# but for now, like I said before, I like to experiment. Car is 88 Plymouth horizon and amp is Memphis Belle MC 5.1400. Rear speakers are Boston 6.5" woofers #75-350Hz#, door speakers are Alpine type S #350-2.5kHz# #all from a junkyard, I'm on a pitiful budget# and sub is Bravox Extreme EXS-10D dual 2-ohm VC in small sealed box. The radio sounds better than the description gives credit for :-)
Date published: 2013-08-28
Rated 5 out of 5 by from bmw e46i replaced the front and rear midrange door speakers on my bmw e46 with Vifa NE65W-04 2" Full Range Woofer.like other reviewers have said not louder then the stock speakers but cleaner and clearer,if you own e bmw e46 this is your ticket, modification is minimal.shipping was slow but i was contacted and advised that was going to be the case.i say buy it and buy it from parts express.
Date published: 2013-07-21
Rated 5 out of 5 by from 4" full range that fits bmw doosthis is nice as a replacement for the door speakers in the bmw e36 front door full range speakers.fit and sound great.
Date published: 2013-04-08
Rated 5 out of 5 by from Drop-In replacement for BMW E46 Coupe/Convertible front MidsThey sound great, and were a cinch to install: After unscrewing and breaking the glue securing the original drivers, these drop right into place, and can be secured with the same 2 screws that secured the original driver. (Must use fender washers etc. to reach the outer edge of the new basket.) I notice no difference in efficiency compared to the original 3ohm mids. These even have a nice gasket on the underside. Only one oddity: In this application, you'll need to hook the speaker up in what appears to be reverse polarity. This driver moves outward with a + voltage applied, but the stock driver did the opposite, so red goes to -, black to + for the same phase as stock. Stock connectors need just a small pinch with pliers to fit the terminals tightly. Orient the connectors with the rectangular cutout in the pod, and you'll have just enough slack to connect w/o any wiring mods. The black 12in strip caulk PE sells is works great as a replacement for the stock foam tape, as well as to plug the tiny gap between basket/pod near the connector block. My only beef is price-- I tried a Tang Band 2in Neodymium magnet + paper cone + polymer basket speaker that cost half as much, was more efficient, sounded just as nice. The premium paid here buys a bit more power handling, likely better longevity in a car, much easier installation where a round basket is called for.
Date published: 2012-12-29
Rated 5 out of 5 by from Fit perfect in my BMW 2002 M3 E46These little drivers fit perfect in my M3 with the original Harman Kardon option. After replacing the original HK mid speakers with these and no replacement of the original HK amplifier the sound realy opened up. Clear vocals and more. Four of thse are the ones you want if you have the same setup. I believe these also fit in the standard e46 setup.
Date published: 2012-05-21
Rated 5 out of 5 by from Great Little SpeakerUsing this in my Audi A4 as a replacement to the original center channel speaker. Power is coming from a JBL MS-8 processor (18w) and it is currently crossed at 400hz... doing a fine job, no complaints.
Date published: 2012-01-18

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.
Vifa NE65W-04 2" Full Range Woofer

Is this for the pair or just one speaker?

Asked by: e46 bmw
The price is per unit - for one woofer/driver.
Answered by: MarkAJH
Date published: 2014-06-09

Is the crossover built into the speaker-or do I need an external crossover?

It does NOT apperar to have the xover built in. I just want to be sure.
Asked by: Rickna
there is no crossover. if you are using it full range, may be wise to run with (at least) a 150-220uF electrolytic capacitor in line on the positive terminal to filter the lows, or use the digital xover in your HT receiver. Im sure you could go crazy with zobel networks and other notch filtering schemes, but it will add to your cost.run the cap and call it a day.PK
Answered by: pkrueger
Date published: 2013-02-15

If I install this driver in a pod, what is the recommended enclosure size?

Or will it perform equally well without any air/space behind? I will be using it as a mid range in my car audio setup.Thank you.
Asked by: Leonard77
This driver works well in .01 cubic feet sealed, or .02 cubic feet vented. If it will be used as a midrange, the enclosure will play no part with frequencies above about 250 Hz so it will not matter if it is in an enclosure or not.
Answered by: MattP
Date published: 2012-12-18

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