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SB Audience
SB Audience - 12" Rosso Coaxial - ROSSO-12CX350
SB Audience - 12" Rosso Coaxial - ROSSO-12CX350
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$469.95 AUD
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Description
The ROSSO-12CX350 is a 12" professional coaxial loudspeaker from SB Audience's Rosso range, built for high-output applications. It combines a low-frequency woofer and a high-frequency compression driver in a single unit, for seamless integration and wide dispersion.
Features
- Cast aluminium chassis and HF rear chamber
- Integrated high precision machined HF horn
- Common HF/LF ferrite magnet motor structure
- Minimum damping fibre glass voice coil former
- Ribbon voice coil wire for high efficiency of HF section
- Additional support Neo slug magnet on pole piece for higher SPL
- Weather-proof coated paper cone made in house with sisal and manila fibres
- Requires crossover
Specifications
Specifications
General
| Driver type | Coaxial |
|---|---|
| Nominal size | 12" |
| Nominal impedance | 8Ω |
| Power handling (RMS) | 350 W |
| Power handling (program) | 700 W |
| Sensitivity | 96 dB |
| Frequency range | 49 – 6,300 Hz |
| Cone surround | Cloth triple roll |
| Spider profile | Single constant height waves |
| Weather resistant | Yes |
| Recone kit | 1P000OPSB040 |
Thiele/Small parameters
| Resonant frequency (Fs) | 49 Hz |
|---|---|
| DC resistance (Re) | 5.2 Ω |
| Minimum impedance (Zmin) | 6.2 Ω |
| Voice coil inductance (Le) | 0.58 mH |
| Mechanical Q (Qms) | 6.99 |
| Electrical Q (Qes) | 0.52 |
| Total Q (Qts) | 0.49 |
| Equivalent volume (Vas) | 90.4 L |
| Compliance (Cms) | 0.23 mm/N |
| Moving mass (Mms) | 47.5 g |
| Mechanical resistance (Rms) | 2.07 kg/s |
| Force factor (Bl) | 12.1 T·m |
| Effective piston area (Sd) | 530.9 cm² |
| Linear excursion (Xmax, one-way) | 8.2 mm |
| Mechanical excursion (Xmech) | 16 mm |
| Displacement volume (Vd) | 435.3 cm³ |
| Efficiency bandwidth product (EBP) | 94.23 |
| Reference efficiency (η0) | 1.91 % |
Motor
| Voice coil height | 19.1 mm |
|---|---|
| Air gap height | 8 mm |
| Magnetic flux density | 0.94 T |
| Voice coil wire | ASVCAW |
Tweeter (coaxial)
| Nominal impedance | 8Ω |
|---|---|
| Minimum impedance (Zmin) | 6.8 Ω |
| Sensitivity | 102 dB |
| Power handling (RMS) | 50 W |
| Power handling (program) | 100 W |
| Frequency range | 1,500 – 20,000 Hz |
| Voice coil diameter | 44.3 mm |
| Voice coil height | 2.25 mm |
| Air gap height | 2.25 mm |
| Magnetic flux density | 1.5 T |
| Voice coil wire | PSVCAR |
| Voice coil former | Kapton |
| Diaphragm | PEEK |
| Replacement diaphragm | 1P000OPSB042 |
Mounting
| Overall diameter | 322.5 mm |
|---|---|
| Cutout diameter | 289 mm |
| Mounting depth | 161.7 mm |
| Bolt circle diameter | 306.5 mm |
| Volume displaced by driver | 4.5 L |
| Voice coil diameter | 60.6 mm |
| Weight | 6.3 kg |
| Flange and gasket thickness | 11.8 mm |
Materials
| Voice coil former | Fibreglass |
|---|---|
| Basket | Cast Aluminium |
| Magnet | Ferrite / Neodymium |
- Xmax is quoted one-way (peak), not peak-to-peak.
- Sensitivity measured at 2.83V/1m.
- On this coaxial, the Thiele/Small parameters are the woofer's; the tweeter's are listed separately.
- 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 150 Hz–2 kHz.
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