Tymphany NE123W-08 4" Full Range Woofer Speaker

Brand:| Model: NE123W-08
The high fidelity/low distortion Tymphany (formerly Vifa) NE123W-08 4" Neodymium Woofer utilizes advanced design and measurement technologies in combination with carefully selected construction materials.
  • Cast aluminum frame promotes motor cooling
  • Sculpted design improves airflow and reduces reflections
  • High-strength compact neodymium magnet system
  • Proprietary coated natural wood fiber cone with half-roll rubber surround
  • Long-throw 1-1/4" voice coil on titanium former
  • Copper pole piece cap for extended HF response
  • 8 ohm nominal impedance
Part # 
Weight: 1 lbs.  
List Price$107.99
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Your Price
Buy 4-up$77.55
Part # 264-1128
Qty:  EA
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Product Details

Tymphany NE123W-08 4" Full Range Woofer Speaker

The Tymphany NE123W-08 4" Neodymium Woofer features an innovative sculpted, open cast aluminum basket design that minimizes internal acoustic reflections and supplements the neodymium motor's dedicated heat sink. The cone is constructed of a coated natural wood fiber, with a butyl rubber surround designed by finite element analysis for linearity of performance. FEA techniques also contribute to inclusion of the motor's copper cap, which reduces inductance and extends high frequency performance.

Product Specifications
  • Nominal Diameter4"
  • Power Handling (RMS)90 Watts
  • Power Handling (max)180 Watts
  • Impedance8 ohms
  • Frequency Response60 to 8,000 Hz
  • Sensitivity86.2 dB 1W/1m
  • Voice Coil Diameter1.28"
Thiele-Small Parameters
  • Resonant Frequency (Fs)61 Hz
  • DC Resistance (Re)6.3 ohms
  • Voice Coil Inductance (Le)0.06 mH
  • Mechanical Q (Qms)4.98
  • Electromagnetic Q (Qes)0.37
  • Total Q (Qts)0.35
  • Compliance Equivalent Volume (Vas)0.21 ft.³
  • Mechanical Compliance of Suspension (Cms)1.43 mm/N
  • BL Product (BL)5.53 Tm
  • Diaphragm Mass Inc. Airload (Mms)4.7g
  • Maximum Linear Excursion (Xmax)3.1 mm
  • Surface Area of Cone (Sd)54.1 cm²
Materials of Construction
  • Cone MaterialWood Fiber
  • Surround MaterialRubber
  • Voice Coil FormerTitanium
  • Basket / Frame MaterialCast Aluminum
  • Magnet MaterialNeodymium
Mounting Information
  • Overall Outside Diameter4.84"
  • Baffle Cutout Diameter3.86"
  • Depth2.58"
  • # Mounting Holes5
Optimum Cabinet Size (determined using BassBox 6 Pro High Fidelity suggestion)
  • Sealed Volume0.05 ft.³
  • Sealed F3141 Hz
  • Vented Volume0.1 ft.³
  • Vented F384 Hz
Tymphany NE123W-08 4" Full Range Woofer Speaker
  • BrandTymphany
  • ModelNE123W-08
  • Part Number264-1128
  • UPC844632092596
  • Product CategoryWoofers
  • Unit of MeasureEA
  • Product Rating
    (3 Reviews)
  • Weight1 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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Tymphany NE123W-08 4" Full Range Woofer Speaker
Tymphany NE123W-08 4" Full Range Woofer Speaker is rated 5.0 out of 5 by 3.
Rated 5 out of 5 by from Amazing MidsAfter testing a few mid-range speakers , these are the clear winners ! They are very accurate in reproducing the human voice. More so than others tested...They areextremely clear and the sound has a touch of warmth at the same time...A zobel filtermakes it even better......
Date published: 2014-02-05
Rated 5 out of 5 by from Awesome!These are hands down some of the best speakers that I have owned. Everything is crystal clear and have a very warm feeling to them. If your in the market for a 4" midrange driver, chose these!
Date published: 2013-08-25
Rated 5 out of 5 by from Worth Every PennyI was a little nervous spending over $160 for a pair of 4 inch speakers but thankfully, they were worth every penny.I have them running in my car as midrange drivers crossed within a 500-4000hz bandpass. These drivers sound amazing! What surprised me the most was how well they handle the human voice. It literally sounds like the breath is on their lips.The small magnet is also very nice.....installing in shallow enclosures won't be a problem.Fantastic product....and as always...Parts Express shipped fast...well packaged.
Date published: 2012-09-27
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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-expresss.com  for a prompt reply.
Tymphany NE123W-08 4" Full Range Woofer Speaker

I want to use this as a single speaker in  T-line box , what cross over would you suggest ,  Thanks 

Asked by: peteo
If you are using this as a full range single speaker, you will not need a crossover.
Answered by: MattP
Date published: 2015-03-06

I plan on using this driver in a 3way with Focal TC90 tweeter and older Vifa 8" Kevlar phase plug woofer. Which xover would fit this mid best the 500/4k or 625/5K?

Asked by: sqitis
Either of those crossover points will work with these drivers, I doubt you will notice a difference beteen either of them.
Answered by: MattP
Date published: 2015-02-24

I plan on using this driver in a design and would like to know what size of female quick connects should be used on the speaker terminals.  Thanks for your time!

Asked by: deewan
This driver uses 3/16" disconnects.
Answered by: MattP
Date published: 2015-02-24

Is the power handling spec on these correct? It doesn't seem to fall in line with the 3" and 5.25" versions

Asked by: Jack of all trades
It looks like the numbers we have on the site are inaccurate. Based on the spec sheet the RMS power of this driver is 45 watts.
Answered by: MattP
Date published: 2015-02-17

What is the out side diameter? I need a replacement for a Dunlevy DAL SC-X 5" Midrange.

Asked by: Soundscape
123mm or 4.84" is the Diameter if the Vifa NE123W-08
Answered by: TomI
Date published: 2015-02-02

Plan: 3 way mtmw tower speakers for music. The 4" vifa for the mids, Aurum Cantus 10" AC 250 mk2 for the woofer and Dayton audio ES soft dome tweeter. X-over 375 hz and 3000 hz. Is this a good plan?

Asked by: Artofwar
These drivers should work well together for an application like that.
Answered by: MattP
Date published: 2014-11-11
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