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SB Audience
SB Audience - 15" Nero Open Baffle Subwoofer - NERO-15OBN450D
SB Audience - 15" Nero Open Baffle Subwoofer - NERO-15OBN450D
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$589.95 AUD
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Description
A 15" long-stroke subwoofer from SB Audience's Nero range, designed for open baffle applications. It has a 4" CCAW voice coil with APC coating, an Open Yoke Vent (OYV) for ultra low compression and noise, and an in-house paper cone doped with fibreglass and graphene.
Features
- Long stroke design
- Designed for open baffle applications
- Minimum damping fibre glass voice coil former
- 4" CCAW voice coil using APC coating technology
- Open Yoke Vent (OYV) for ultra low compression and noise
- Large flared and vented pole piece for reduced compression
- Extended copper sleeve for low inductance and intermodulation distortion
- Proprietary cone paper material made in-house doped with fibreglass and graphene
Specifications
Specifications
General
| Driver type | Open Baffle |
|---|---|
| Nominal size | 15" |
| Nominal impedance | 8Ω |
| Power handling (RMS) | 450 W |
| Power handling (program) | 900 W |
| Sensitivity | 91 dB |
| Frequency range | 25 – 3,800 Hz |
| Cone surround | Cloth triple roll |
| Spider profile | Single constant height waves |
| Weather resistant | Yes |
Thiele/Small parameters
| Resonant frequency (Fs) | 25 Hz |
|---|---|
| DC resistance (Re) | 5.3 Ω |
| Minimum impedance (Zmin) | 5.8 Ω |
| Voice coil inductance (Le) | 0.8 mH |
| Mechanical Q (Qms) | 6.37 |
| Electrical Q (Qes) | 0.91 |
| Total Q (Qts) | 0.8 |
| Equivalent volume (Vas) | 319 L |
| Compliance (Cms) | 0.3 mm/N |
| Moving mass (Mms) | 130 g |
| Mechanical resistance (Rms) | 3.27 kg/s |
| Force factor (Bl) | 11 T·m |
| Effective piston area (Sd) | 865.7 cm² |
| Linear excursion (Xmax, one-way) | 16 mm |
| Mechanical excursion (Xmech) | 24 mm |
| Displacement volume (Vd) | 1,385 cm³ |
| Efficiency bandwidth product (EBP) | 27.47 |
| Reference efficiency (η0) | 0.55 % |
Motor
| Voice coil height | 35.2 mm |
|---|---|
| Air gap height | 10 mm |
| Magnetic flux density | 0.64 T |
| Voice coil wire | ESVCAW |
| Demodulation | Extended copper cap |
Mounting
| Overall diameter | 394 mm |
|---|---|
| Cutout diameter | 363.4 mm |
| Mounting depth | 184.5 mm |
| Bolt circle diameter | 378 mm |
| Volume displaced by driver | 8.2 L |
| Voice coil diameter | 99.2 mm |
| Weight | 7.3 kg |
| Flange and gasket thickness | 16.9 mm |
Materials
| Voice coil former | Fibreglass |
|---|---|
| Basket | Cast Aluminium |
| Magnet | Neodymium |
- Xmax is quoted one-way (peak), not peak-to-peak.
- Sensitivity measured at 2.83V/1m.
- Power handling (RMS) is the AES rating: 2 hours of pink noise (6 dB crest factor), Fs to 10 × Fs, in free air, on the minimum impedance. Program power is SB Audience's maximum power, 3 dB above the RMS rating.
- Sensitivity is averaged over 50 Hz–1 kHz.
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