SB Acoustics SB15NRX2C30-4 Bass-midwoofer

SB ACOUSTICS | Bass mid-bass subwoofer

SB Acoustics SB15NRX2C30-4 Bass-midwoofer

Name: SB Acoustics Acoustics mélysugárzó | HQ AudioParts
Brand: SB Acoustics
SKU: SB15NRX2C30-4
Price: 25990.00 HUF
Availability: LimitedAvailability

SKU: SB15NRX2C30-4

15 mm 4 Ω

Achieve accurate, low-distortion bass reproduction in your audio projects with this high-performance bass-midwoofer. Its advanced Norex cone and cast aluminium basket ensure controlled, dynamic response. The driver features a total Q factor (Qts) of 0.29 for optimal enclosure alignment.

25 990 Ft

(20 465 Ft + VAT)

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Technical data

Nominal diameter	15 mm
Impedance	4 Ω
Resonance frequency (Fs)	36 Hz
Sensitivity (SPL at 1 m / 2.83 V)	89.5 dB
Maximum linear deflection (Xmax)	5 mm

Total Q (Qts)	0.29
Electromagnetic Q (Qes)	0.31
Mechanical Q (Qms)	4.53
DC resistance (Re)	3.1 Ω
Voice coil inductance (L_e)	0.12 mH
BL product (BL)	4.7 T·m
The surface area of the cone (Sd)	82 cm²
Equivalent volume (Iron)	18.6 l
Mechanical compliance of the suspension (Cms)	2.15 mm/N
Drive mechanical losses (RMS)	0.5 kg/s
Voice coil diameter	31 mm
Weight of a magnet	54 g
Basket / frame material	Cast aluminum
Subwoofer Series	SB Acoustics NRX Norex Series
Dimensions (mm)	15 mm
# Mounting holes	4
Diameter of the access opening	4.3 mm
Depth	78.9 mm

The SB15NRX2C30-4 Norex Bass-midwoofer from SB Acoustics represents a significant step forward in low-frequency driver design, offering audiophiles and DIY enthusiasts a remarkable blend of precision and power. This 15cm driver is engineered to deliver accurate, low-distortion bass reproduction that brings depth and clarity to any audio system.

Ideal for use in high-fidelity loudspeakers, compact subwoofer systems, or as a dedicated bass-midrange driver in multi-way designs, this unit excels in both sealed and ported enclosures. Its controlled response makes it particularly suited for critical listening environments where detail and transient accuracy are paramount. Whether you are building a pair of bookshelf speakers or a sophisticated home theatre setup, this driver provides the foundation for exceptional sound quality.

At the heart of the SB15NRX2C30-4 lies an advanced Norex cone, which combines low mass with high stiffness to minimise breakup and distortion. The cast aluminium basket ensures a rigid, resonance-free platform, while the 0.29 total Q factor (Qts) and 5mm linear excursion (Xmax) allow for tight, controlled bass even at higher volumes. With a sensitivity of 89.5dB and a low voice coil inductance of 0.12mH, this driver responds swiftly to musical transients, delivering a dynamic and engaging performance.

Combining technical sophistication with robust construction, this bass-midwoofer is a superb choice for those seeking authentic, high-fidelity sound in their audio projects.