Hi Everyone.
Celebrating the Patriarch's 90th and will be away for 2 weeks.
Have the email on the mobile for queries and that will be the best contact option. The Phone will be patchy and suggest texting rather than calling.
Apologies for any inconvenience.
Regards
John

1″ SILK DOME NEODYMIUM TWEETER

$44.95 Inc GST

Description

Dayton Audio’s ND25FN-4 is a versatile 1” tweeter element for use in highly customised 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.

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.

Datasheet (.pdf) ND25FN-4

Code ND25FN-4
Description
Vas
Cms
Mms
Le 0.04mH
Power (RMS) 0-50 Watt
Inch 1
Size 1″
Qts 1.56
Fs 1350Hz
Depth 17mm
Qes 2.61
Power 20W
Prms 20W
Coil 25mmØ
Re 3.2Ω
Qms 3.87
Impedance (Ohm) 4 ohm
Diam. 41mmØ
Zn
Impedance 4Ω (Re 3.2Ω)
Sd 7.5cm²
Sens. 90dB
Manufacturer Dayton Audio
Type Dome Tweeter
Price Type each

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