SB Acoustics
SB Acoustics - 1" STAC Dome Tweeter - SB26STAC-C000-4
SB Acoustics - 1" STAC Dome Tweeter - SB26STAC-C000-4
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$74.95
Regular price
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$74.95
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Out of stock
Backordered Product. Contact us for lead time
More stock expected 20 January 2027
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Description
Features
- Cast aluminium faceplate
- Copper cap for reduced voice coil inductance and minimum phase shift
- Non-reflective rear chamber with optimised damping for improved dynamics
- Flow optimised vented pole piece for optimum coupling to rear chamber
- Fine weave soft fabric dome for smooth frequency response
- Saturation controlled motor system for low distortion
- CCAW voice coil for low moving mass
- Long life silver lead wires
- Low resonance frequency
Specifications
Specifications
General
| Driver type | Tweeter |
|---|---|
| Nominal size | 1" |
| Nominal impedance | 4Ω |
| Series | Dome Tweeter |
| Power handling (RMS) | 120 W |
| Sensitivity | 91.5 dB |
Thiele/Small parameters
| Resonant frequency (Fs) | 750 Hz |
|---|---|
| DC resistance (Re) | 3.2 Ω |
| Voice coil inductance (Le) | 0.04 mH |
| Mechanical Q (Qms) | 3 |
| Electrical Q (Qes) | 1.78 |
| Total Q (Qts) | 1.12 |
| Compliance (Cms) | 0.1501 mm/N |
| Moving mass (Mms) | 0.3 g |
| Mechanical resistance (Rms) | 0.4712 kg/s |
| Force factor (Bl) | 1.6 T·m |
| Effective piston area (Sd) | 6.2 cm² |
| Linear excursion (Xmax, one-way) | 0.6 mm |
| Displacement volume (Vd) | 0.372 cm³ |
| Efficiency bandwidth product (EBP) | 421.3 |
Motor
| Voice coil height | 1.3 mm |
|---|---|
| Air gap height | 2.5 mm |
| Magnetic flux density | 1.15 T |
| Magnet weight | 0.22 kg |
Mounting
| Overall diameter | 100 mm |
|---|---|
| Cutout diameter (suggested) | ≈ 83.8 mm |
| Mounting depth | 33.2 mm |
| Flange thickness | 4 mm |
| Bolt circle diameter | 88.5 mm |
| Mounting holes | 4 |
| Mounting hole diameter | 4 mm |
| Voice coil diameter | 25.4 mm |
| Weight | 0.53 kg |
Materials
| Cone | Fabric |
|---|
- Xmax is quoted one-way (peak), not peak-to-peak.
- Sensitivity measured at 2.83V/1m.
Downloads
- SB26STAC-C000-4 Datasheet
- SB26STAC-C000-4 Cutout & Recess Template (NB Audio) Straight off SB Acoustics' spec sheet: flange outline, recess depth, bolt holes. Scaled from SB Acoustics' drawing, so close but not guaranteed exact: cutout. Check it against your driver before you cut.
Where do these figures come from? See the source of each one
