← Back to SB Acoustics - 29mm Satori Dome Tweeter TeXtreme Neo with 170mm Waveguide - TW29TXNWG-4

Where the figures for TW29TXNWG-4 come from

I take every figure from SB Acoustics' own product page or datasheet where I can. This lists where each figure on the TW29TXNWG-4 page came from.

  • 21 from SB Acoustics' product page
  • 6 from SB Acoustics' datasheet
  • 4 worked out from SB Acoustics' figures
  • 1 not yet checked
  • 2 from NB Audio's listing

General

Driver type Tweeter NB Audio's listing
Nominal impedance 4Ω Maker's product page
Series Satori NB Audio's listing
Power handling (RMS) 80 W Maker's product page
Sensitivity 96 dB Maker's product page
Diameter 170 mm My earlier listing, not yet checked

Thiele/Small parameters

Resonant frequency (Fs) 635 Hz Maker's product page
DC resistance (Re) 3 Ω Maker's product page
Voice coil inductance (Le) 0.02 mH Maker's product page
Mechanical Q (Qms) 1.73 Maker's product page
Electrical Q (Qes) 0.64 Maker's product page
Total Q (Qts) 0.47 Maker's product page
Compliance (Cms) 0.1232 mm/N Worked out from the maker's figures
Moving mass (Mms) 0.51 g Maker's product page
Mechanical resistance (Rms) 1.176 kg/s Worked out from the maker's figures
Force factor (Bl) 3.1 T·m Maker's product page
Effective piston area (Sd) 9.6 cm² Maker's product page
Linear excursion (Xmax, one-way) 0.25 mm Maker's product page
Displacement volume (Vd) 0.24 cm³ Worked out from the maker's figures
Efficiency bandwidth product (EBP) 992.2 Worked out from the maker's figures

Motor

Voice coil height 2 mm Maker's product page
Air gap height 2.5 mm Maker's product page
Magnetic flux density 1.44 T Maker's product page
Magnet weight 0.1 kg Maker's product page

Mounting

Overall diameter 170 mm Maker's datasheet
Mounting depth 46.7 mm Maker's datasheet
Flange thickness 5 mm Maker's datasheet
Bolt circle diameter 159 mm Maker's datasheet
Mounting holes 6 Maker's datasheet
Mounting hole diameter 4.2 mm Maker's datasheet
Voice coil diameter 29 mm Maker's product page
Weight 0.5 kg Maker's product page

Materials

Cone TeXtreme Maker's product page
Magnet Neodymium Maker's product page

Not on file: Vas, Cutout. 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.
  • Worked out from the maker's figures: Vd = Sd × Xmax, EBP = Fs ÷ Qes.
  • My earlier listing, not yet checked: from the listing I had before I started checking figures against makers. Treat it as a guide until it's checked.
  • NB Audio's listing: how I've filed it in the store.

Check them yourself: SATORI TW29TXNWG-4 Datasheet