ND25FN-4 1" Neo Silk Dome Tweeter Element 4 Ohm
1" treated silk dome diaphragm
$34.50
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Dayton Audio’s ND25FN-4 is a versatile 1” tweeter element for use in highly customized applications requiring smooth, clean treble output. The treated silk dome diaphragm delivers excellent detail and smoothness, while the high-strength neodymium magnet enables high output from an extremely compact size. The rear-mounted heatsink and ferrofluid-filled magnetic gap provide improved heat dissipation from the compact motor structure, for reduced power compression at high levels. A copper pole cap further reduces distortion and inductance effects.
This element is identical to the round-faceplate ND25FA-4 model, but with no faceplate installed. It’s perfect for installation into a waveguide or a custom mounting plate, or in limited clearance applications such as automotive A-pillars. Simply bond the unit in place from behind, and prepare to be surprised at the clean, detailed output!
(848791000867)
• 1" treated silk dome diaphragm
• Faceplate-free design enables versatile custom mounting
• High-strength neodymium motor with heatsink and ferrofluid cooling
• Extremely smooth and extended treble response beyond 22kHz
• Perfect for use with a waveguide or custom mounting plate
• Faceplate-free design enables versatile custom mounting
• High-strength neodymium motor with heatsink and ferrofluid cooling
• Extremely smooth and extended treble response beyond 22kHz
• Perfect for use with a waveguide or custom mounting plate
| Speaker Series | ND Series |
|---|---|
| Model Number | ND25FN-4 |
| Color | Black |
| Unit of Measure | Each |
| UPC | 848791000867 |
| Warranty - Parts | 5 Years |
| Warranty - Labor | 5 Years |
| Product Shipping Weight (lbs.) | 0.1300 |
| Speaker Type | Tweeter |
| Power Handling (RMS) | 20 watts |
| Power Handling (max) | 40 watts |
| Continuous Program Power | -- |
| Impedance | 4 ohms |
| Sensitivity | 90 dB @ 2.83V/1m |
| Frequency Response | 2,500 - 20,000 Hz |
| Voice Coil Diameter | 25 mm |
| Magnet Weight | -- |
| DC Resistance (Re) | 3.2 ohms |
| Voice Coil Inductance (Le) | 0.04 mH |
| Resonant Frequency (Fs) | 1,350 Hz |
| Mechanical Q (Qms) | 3.87 |
| Electromagnetic Q (Qes) | 2.61 |
| Total Q (Qts) | 1.56 |
| Diaphragm Mass Inc. Airload (Mms) | -- |
| Moving Mass Of Diaphragm (Mmd) | -- |
| Mechanical Compliance of Suspension (Cms) | -- |
| Surface Area Of Cone (Sd) | 7.5 cm² |
| Volume of Displacement (Vd) | -- |
| BL Product (BL) | -- |
| Compliance Equivalent Volume (Vas) | -- |
| Maximum Linear Excursion (Xmax) | -- |
| Driver's Mechanical Losses (Rms) | -- |
| Cone / Diaphragm Material | Treated Silk Dome |
| Cone / Dome Diameter | 1" |
| Entry / Exit Diameter | -- |
| Surround Material | Treated Silk |
| Voice Coil Wire Material | Copper |
| Voice Coil Former | Kapton® |
| Basket/Frame Material | -- |
| Magnet Material | Neodymium |
| Overall Outside Diameter | 41 mm |
| Overall Depth | 21 mm |
| Baffle Cutout Diameter | 34 mm |
| # Mounting Holes | 4 |
| Mounting Hole Diameter | -- |
| Bolt Circle Diameter | -- |
| Product Weight | -- |
| SKU | 848791000867 |
| Model # | ND25FN-4 |
| Barcode # | 848791000867 |
| Brand | Dayton Audio |
| Shipping Weight | 0.0700kg |
| Shipping Width | 0.070m |
| Shipping Height | 0.057m |
| Shipping Length | 0.070m |
| Shipping Cubic | 0.000279000m3 |
| Assembled Length | 0.070m |
| Assembled Height | 0.057m |
| Assembled Width | 0.070m |
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