SB ACOUSTICS | Bass mid-bass subwoofer

SB Acoustics SB15NAC30-4 5'' Mid-Woofer

Name: SB Acoustics Acoustics mélysugárzó 5' | HQ AudioParts
Brand: SB Acoustics
SKU: SB15NAC30-4
Price: 30990.00 HUF
Availability: LimitedAvailability

SKU: SB15NAC30-4

127 mm 4 Ω

Achieve clean, controlled bass and accurate midrange in a compact design with this 5-inch mid-woofer. It features a low 0.3 total Q factor for tight, well-damped response in sealed enclosures. The 10mm linear excursion (Xmax) ensures high output with minimal distortion.

30 990 Ft

(24 402 Ft + VAT)

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Külső raktár 2. 4 pcs júl. 9.

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Technical data

Nominal diameter	127 mm
Impedance	4 Ω
Resonance frequency (Fs)	35 Hz
Sensitivity (SPL at 1 m / 2.83 V)	88.5 dB
Maximum linear deflection (Xmax)	10 mm

Total Q (Qts)	0.3
Electromagnetic Q (Qes)	0.32
Mechanical Q (Qms)	5.65
DC resistance (Re)	3.1 Ω
Voice coil inductance (L_e)	0.12 mH
BL product (BL)	4.8 T·m
The surface area of the cone (Sd)	82 cm²
Equivalent volume (Iron)	18.1228 l
Mechanical compliance of the suspension (Cms)	1.91 mm/N
Woofer type	DL200 Audio DAC
Voice coil diameter	30.48 mm
Subwoofer Series	SB Acoustics NAC Aluminum Series

The SB Acoustics SB15NAC30-4 is a 5-inch mid-woofer that delivers exceptional clarity and control across the bass and midrange frequencies. Engineered for discerning audio enthusiasts, this driver excels in compact, high-performance loudspeaker designs where accuracy and detail are paramount. Its low total Q factor of 0.3 makes it ideally suited for sealed enclosures, producing tight, well-damped bass that remains articulate even at higher volumes. The 10mm linear excursion ensures dynamic, distortion-free output, while the 88.5dB sensitivity allows for efficient power handling.

Technically, this driver features a 30.48mm voice coil with an inductance of just 0.12mH, contributing to its low distortion and extended high-frequency response. The DC resistance measures 3.1 ohms, and the resonance frequency is a low 35Hz, enabling deep bass extension from a compact frame. With a mechanical Q of 5.65 and an electrical Q of 0.32, the overall Qts of 0.3 ensures precise damping and transient response. The equivalent volume (Vas) is 18.12 litres, making it flexible for various cabinet designs. Part of the acclaimed NAC Aluminum series, this mid-woofer combines a rigid aluminium cone with a robust suspension for reliable, long-lasting performance. Whether used in a two-way bookshelf speaker or as a dedicated mid-bass driver, the SB15NAC30-4 offers a refined, natural sound that brings recordings to life.