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SB Acoustics

SB Acoustics - 1 1/4" Satori Textile Dome Neo Tweeter - TW29DN-8

SB Acoustics - 1 1/4" Satori Textile Dome Neo Tweeter - TW29DN-8

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Description

Satori large-surround dome tweeter with Neodymium magnets for high-output and two part aluminium faceplate with integrated mechanical decoupling.

Features

  • Large surround dome for increased acoustic output
  • Dual balanced compression chamber for improved dynamics
  • Dual copper caps for absolute minimum voice coil inductance and minimum phase shift
  • Two part aluminium faceplate with integrated mechanical decoupling
  • High saturation neodymium motor system with T-shaped pole piece for lower distortion
  • Non-reflective cast aluminium chamber with optimised damping for improved dynamics
  • Shallow flow magnet structure for optimum coupling to rear chamber
  • CCAW voice coil for low moving mass
  • Long life silver lead wires
  • Low resonance frequency for extended range

Specifications

General

Driver type Tweeter
Nominal size 1.25"
Nominal impedance 8Ω
Series Satori
Power handling (RMS) 80 W
Sensitivity 93 dB

Thiele/Small parameters

Resonant frequency (Fs) 650 Hz
DC resistance (Re) 6.2 Ω
Voice coil inductance (Le) 0.04 mH
Mechanical Q (Qms) 1.61
Electrical Q (Qes) 0.65
Total Q (Qts) 0.46
Compliance (Cms) 0.1394 mm/N
Moving mass (Mms) 0.43 g
Mechanical resistance (Rms) 1.091 kg/s
Force factor (Bl) 4.1 T·m
Effective piston area (Sd) 9.6 cm²
Linear excursion (Xmax, one-way) 0.25 mm
Displacement volume (Vd) 0.24 cm³
Efficiency bandwidth product (EBP) 1,000

Motor

Voice coil height 2 mm
Air gap height 2.5 mm
Magnetic flux density 1.5 T
Magnet weight 0.1 kg

Mounting

Overall diameter 103.8 mm
Cutout diameter (suggested) ≈ 71.0 mm
Mounting depth 21.7 mm
Flange thickness 5 mm
Bolt circle diameter 92 mm
Mounting hole diameter 4.2 mm
Voice coil diameter 29 mm
Weight 0.39 kg

Materials

Cone Fabric
Magnet Neodymium
  • Xmax is quoted one-way (peak), not peak-to-peak.
  • Sensitivity measured at 2.83V/1m.

Downloads

  • SATORI TW29DN-8 Datasheet PDF, 532 KB
  • TW29DN-8 Cutout & Recess Template (NB Audio) NB Audio CAD: DXF, PDF, SVG in a ZIP, 52 KBStraight off SB Acoustics' spec sheet: flange outline, recess depth. Scaled from SB Acoustics' drawing, so close but not guaranteed exact: cutout. Left out: no bolt holes (positions not on file). Check it against your driver before you cut.

Where do these figures come from? See the source of each one