← Back to Dayton Audio - 1" Tweeter Neo - ND25FW-4
Where the figures for ND25FW-4 come from
I take every figure from Dayton Audio's own product page or datasheet where I can. This lists where each figure on the ND25FW-4 page came from.
- 14 from Dayton Audio's product page
- 1 from Dayton Audio's datasheet
- 3 from NB Audio's listing
General
| Driver type |
Tweeter |
NB Audio's listing |
| Nominal size |
1" |
NB Audio's listing |
| Nominal impedance |
4Ω |
Maker's product page |
| Series |
ND |
NB Audio's listing |
| Power handling (RMS) |
20 W |
Maker's product page |
| Power handling (program) |
40 W |
Maker's product page |
| Sensitivity |
91 dB |
Maker's product page |
| Frequency range |
2,500 – 20,000 Hz |
Maker's product page |
Thiele/Small parameters
| Resonant frequency (Fs) |
1,350 Hz |
Maker's product page |
| DC resistance (Re) |
3.2 Ω |
Maker's product page |
| Voice coil inductance (Le) |
0.04 mH |
Maker's product page |
Mounting
| Overall diameter |
104 mm |
Maker's datasheet |
| Cutout diameter |
76.2 mm |
Maker's product page |
| Mounting depth |
43.18 mm |
Maker's product page |
| Voice coil diameter |
25.4 mm |
Maker's product page |
| Weight |
0.1588 kg |
Maker's product page |
Materials
| Cone |
Treated Silk |
Maker's product page |
| Magnet |
Neodymium |
Maker's product page |
Not on file: Qts, Vas, Sd, Xmax, Bl, Mms, Bolt circle, Flange thickness. Either the maker doesn't publish it or I haven't found it yet.
What the labels mean
- Maker's product page: copied from the maker's product page.
- Maker's datasheet: read off the maker's own datasheet or drawing.
- NB Audio's listing: how I've filed it in the store.
Check them yourself: Dayton Audio ND25FW-4 Specification Sheet
