ND20FB-4 Rear-Mount 3/4" Neodymium Dome Tweeter 4 Ohm

Compact neodymium motors have low stray field

$19.89
RRP $26.05
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This versatile tweeter is a huge step above the average "budget" tweeter. It has the sensitivity, smoothness, and power handling to individually do a two-way with most small woofers.


Don't let the low price fool you! This versatile tweeter is a huge step above the average "budget" tweeter. Conceived with line array thoughts in mind, it is finally possible to achieve the inter-driver spacing needed to minimize comb filtering out to nearly 20 kHz. But its uses don't stop at line arrays-- it has the sensitivity, smoothness, and power handling to individually do a two-way with most small woofers. Or, use it in an A-pillar in your car as a great inexpensive component tweeter. Give them a try for your next budget or micro speaker-- you will be pleasantly surprised!

(844632000881)

• Compact neodymium motors have low stray field
• Ferrofluid enhances power handling and helps damp resonance
• Rear-mount design minimizes housing size
• Center-to-center spacing as low as 1-1/2"
• Great top-end air and sparkle

Speaker Series ND Series
Model Number ND20FB-4
Color Black
Unit of Measure Each
UPC 844632000881
Warranty - Parts 5 Years
Warranty - Labor 5 Years
Product Shipping Weight (lbs.) 0.1000
Speaker Type Tweeter
Nominal Diameter .75"
Power Handling (RMS) 15 watts
Power Handling (max) 30 watts
Continuous Program Power --
Impedance 4 ohms
Sensitivity 90 dB @ 1W/1m
Frequency Response 3,500 - 25,000 Hz
Voice Coil Diameter 19 mm
Magnet Weight --
DC Resistance (Re) 3.2 ohms
Voice Coil Inductance (Le) 0.03 mH
Resonant Frequency (Fs) 2,072 Hz
Mechanical Q (Qms) 2.08
Electromagnetic Q (Qes) 3.74
Total Q (Qts) 1.33
Diaphragm Mass Inc. Airload (Mms) --
Moving Mass Of Diaphragm (Mmd) --
Mechanical Compliance of Suspension (Cms) --
Surface Area Of Cone (Sd) 2.8 cm²
Volume of Displacement (Vd) --
BL Product (BL) --
Compliance Equivalent Volume (Vas) --
Maximum Linear Excursion (Xmax) --
Driver's Mechanical Losses (Rms) --
Cone / Diaphragm Material Textile Soft Dome
Cone / Dome Diameter 3/4"
Entry / Exit Diameter --
Surround Material --
Voice Coil Wire Material Copper
Voice Coil Former Aluminum
Basket/Frame Material --
Magnet Material Neodymium
Overall Outside Diameter 39 mm
Overall Depth 19 mm
Baffle Cutout Diameter 29 mm
# Mounting Holes 4
Mounting Hole Diameter --
Bolt Circle Diameter --
Product Weight --
SKU 844632000881
Model # ND20FB-4
Brand Dayton Audio
Shipping Weight 0.0454kg
Shipping Width 0.146m
Shipping Height 0.089m
Shipping Length 0.146m
Shipping Cubic 0.001896m3
Assembled Length 0.146m
Assembled Height 0.089m
Assembled Width 0.146m

Good replacement for e46 Harmon K

By: on 8 October 2014
I bought this tweeter to replace a damaged Harmon Kardon tweeter in my e46 bmw convertible. A simple slot in replacement aided by some super glue! Sounds great in combination with the 3" inch and 6 inch Dayton reference speakers I also used. Sound is clear and a real improvement on stock. May be too clear for some. The original tweeter has a 3.3 mfd capacitor as crossover. This needs to be retained with the Dayton. It's a simple solder.
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