SB Acoustics SB15NBAC30-8 5" Black Aluminum Cone Mid-bass

SB ACOUSTICS | Bass mid-bass subwoofer

SB Acoustics SB15NBAC30-8 5" Black Aluminum Cone Mid-bass

Name: SB Acoustics Acoustics mélysugárzó 5" | HQ AudioParts
Brand: SB Acoustics
SKU: SB15NBAC30-8
Price: 30990.00 HUF
Availability: LimitedAvailability

SKU: SB15NBAC30-8

127 mm 8 Ω

Achieve accurate mid-bass reproduction with controlled cone breakup thanks to the rigid black aluminium cone of this 5-inch driver. The low 0.37 total Q factor makes it suitable for sealed enclosures, while the 35.5 Hz resonance frequency supports extended low-end response.

30 990 Ft

(24 402 Ft + VAT)

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Technical data

Nominal diameter	127 mm
Impedance	8 Ω
Resonance frequency (Fs)	35.5 Hz
Sensitivity (SPL at 1 m / 2.83 V)	85.5 dB
Maximum linear deflection (Xmax)	5 mm

Total Q (Qts)	0.37
Electromagnetic Q (Qes)	0.41
Mechanical Q (Qms)	4.22
DC resistance (Re)	5.7 Ω
Voice coil inductance (L_e)	0.14 mH
BL product (BL)	5.7 T·m
The surface area of the cone (Sd)	82 cm²
Equivalent volume (Iron)	16.9901 l
Moving mass with air load (Mms)	10 g
Mechanical compliance of the suspension (Cms)	1.81 mm/N
Woofer type	DL200 Audio DAC
Voice coil diameter	30.48 mm
Subwoofer Series	SB Acoustics NAC Aluminum Series

The SB15NBAC30-8 from SB Acoustics is a meticulously engineered 5-inch mid-bass driver that delivers exceptional clarity and control across the critical mid-bass frequencies. Its rigid black aluminium cone ensures precise, accurate reproduction with minimal distortion, making it an ideal choice for audiophiles and DIY loudspeaker builders who demand high-fidelity sound.

This driver excels in sealed enclosure designs, where its low total Q factor of 0.37 allows for tight, well-damped bass response with excellent transient behaviour. It is perfectly suited for use as a dedicated mid-bass unit in two- or three-way speaker systems, or as a high-quality subwoofer in compact applications. The 8-ohm impedance ensures compatibility with a wide range of amplifiers.

Technically, the SB15NBAC30-8 features a 30.48 mm voice coil with an inductance of just 0.14 mH, contributing to its low distortion and extended high-frequency response. The mechanical Q of 4.22 and electrical Q of 0.41 combine to give a total Q of 0.37, while the resonance frequency is a low 35.5 Hz. With a maximum linear excursion of 5 mm and an equivalent volume of 16.99 litres, this driver offers impressive performance in a compact form factor. The sensitivity is rated at 85.5 dB SPL at 2.83V/1m.

Combining advanced engineering with a striking black aluminium cone, the SB15NBAC30-8 is a superb choice for achieving accurate, controlled mid-bass reproduction in high-quality loudspeaker designs.