SB AUDIENCE | Bass mid-bass subwoofer

SB Audience NERO-18OBN500D Woofer

Name: SB Audience Audience mélysugárzó | HQ AudioParts
Brand: SB Audience
SKU: NERO-18OBN500D
Price: 147990.00 HUF
Availability: LimitedAvailability

SKU: NERO-18OBN500D

457.2 mm 8 Ω

Achieve deep, articulate bass in open baffle designs with this 18-inch subwoofer, engineered for high-fidelity sound reproduction. Its long-throw motor system delivers controlled low frequencies with minimal distortion. Key specifications include a total Q factor (Qts) of 0.9, optimized for open baffle loading.

147 990 Ft

(116 528 Ft + VAT)

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Technical data

Nominal diameter	457.2 mm
Impedance	8 Ω
Resonance frequency (Fs)	22 Hz
Sensitivity (SPL at 1 m / 2.83 V)	92 dB
Maximum linear deflection (Xmax)	16 mm

Total Q (Qts)	0.9
Electromagnetic Q (Qes)	1.1
Mechanical Q (Qms)	6.6
Voice coil inductance (L_e)	0.82 mH
BL product (BL)	10.9 T·m
The surface area of the cone (Sd)	1244 cm²
Equivalent volume (Iron)	662 l
Mechanical compliance of the suspension (Cms)	0.3 mm/N
Drive mechanical losses (RMS)	3.67 kg/s
Woofer type	VMV D2R Audio DAC
Voice coil diameter	99.2 mm
Voice coil carrier	SV
Voice coil wire material	ESVCAW
Magnetic material	Neodymium
Subwoofer Series	SB Audience Nero Series
Dimensions (mm)	47 mm
Screw head diameter	455 mm
Diameter of the baffle cutout	455 mm
# Mounting holes	8
Diameter of the access opening	8 mm
Depth	239.9 mm

The SB Audience NERO-18OBN500D is a purpose-built 18-inch subwoofer designed to deliver deep, articulate bass in open baffle configurations. Engineered for high-fidelity sound reproduction, this driver excels in applications where natural, uncoloured low-frequency extension is paramount. Its open baffle optimisation makes it an ideal choice for audiophile-grade home stereo systems, dedicated two-channel listening rooms, and high-end custom installations where traditional enclosures are impractical or sonically undesirable.

At the heart of the NERO-18OBN500D lies a long-throw motor system featuring a 16mm Xmax, enabling controlled and powerful low-frequency output with minimal distortion. The 92dB sensitivity ensures efficient power handling, while the 0.9 total Q factor (Qts) is perfectly suited for open baffle loading. A 0.82mH voice coil inductance (Le) contributes to excellent transient response, and the ESVCAW voice coil wire material enhances thermal stability and reliability. The driver’s 6.6 mechanical Q (Qms) and 1.1 electrical Q (Qes) further refine its damping characteristics, ensuring tight, articulate bass. With a nominal diameter of 457.2mm and a mounting depth of 239.9mm, this subwoofer integrates seamlessly into custom baffles, offering a premium solution for discerning listeners seeking uncompromised low-frequency performance.