8″ SB23NBACS45-4 / Aluminum
Features
- Soft low damping rubber surround for improved transient response
- Geometrically reinforced aluminium cone for improved break-up control
- Shorting ring in motor system for reduced distortion
- Vented pole piece for reduced compression
- Vented cast aluminium chassis for optimum strength and low compression
- Shallow design
- Non-conducting fibre glass voice coil former for minimum damping
- CCAW voice coil for reduced moving mass
- Long life silver lead wires
Additional information
| Nominal Impedance | 4 Ω |
|---|---|
| DC resistance | Re 3.3 Ω |
| Voice coil inductance | Le 0.27 mH |
| Effective piston area | Sd 216 cm2 |
| Voice coil diameter | 45.5 mm |
| Voice coil height | 19 mm |
| Air gap height | 6 mm |
| Linear coil travel (p-p) | 13 mm |
| Magnetic flux density | 0.86 T |
| Magnet weight | 0.8 kg |
| Net Weight | 2.7 kg |
| Free air resonance | Fs 23 Hz |
| Sensitivity | (2.83V/1m) 90 dB |
| Mechanical Q-factor | Qms 5.4 |
| Electrical Q-factor | Qes 0.35 |
| Total Q-factor | Qts 0.33 |
| Moving mass incl. air | Mms 32 g |
| Force factor | Bl 6.7 Tm |
| Equivalent volume | Vas 95 liters |
| Compliance | Cms 1.45 mm/N |
| Mechanical loss | Rms 0.9 kg/s |
| Rated power handling | 60 W |
| Note | * IEC 268-5, T/S parameters measured on drive units that are broken in. |
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