SB Acoustics SB17NRX2C35-4 Bass-midwoofer

SB ACOUSTICS | Bass mid-bass subwoofer

SB Acoustics SB17NRX2C35-4 Bass-midwoofer

Name: SB Acoustics Acoustics mélysugárzó | HQ AudioParts
Brand: SB Acoustics
SKU: SB17NRX2C35-4
Price: 28990.00 HUF
Availability: LimitedAvailability

SKU: SB17NRX2C35-4

171 mm 4 Ω

Achieve accurate, low-distortion bass and midrange in your next speaker build with this 6.5-inch driver from the SB Acoustics Norex series. Its advanced motor design and lightweight Norex cone ensure clean transient response and high sensitivity. Key specifications include a total Q factor (Qts) of 0.37 and a maximum linear excursion (Xmax) of 5.5 mm.

28 990 Ft

(22 827 Ft + VAT)

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Technical data

Nominal diameter	171 mm
Impedance	4 Ω
Resonance frequency (Fs)	36 Hz
Sensitivity (SPL at 1 m / 2.83 V)	90 dB
Power tolerance (max)	12 W

Maximum linear deflection (Xmax)	5.5 mm
Total Q (Qts)	0.37
Electromagnetic Q (Qes)	0.41
Mechanical Q (Qms)	4.49
DC resistance (Re)	3.1 Ω
Voice coil inductance (L_e)	0.13 mH
BL product (BL)	4.9 T·m
The surface area of the cone (Sd)	118 cm²
Equivalent volume (Iron)	27.6 l
Moving mass with air load (Mms)	13.9 g
Mechanical compliance of the suspension (Cms)	1.4 mm/N
Drive mechanical losses (RMS)	0.7 kg/s
Voice coil diameter	35.5 mm
Weight of a magnet	54 g
Subwoofer Series	SB Acoustics NRX Norex Series
Dimensions (mm)	171 mm
# Mounting holes	4
Diameter of the access opening	4.3 mm
Depth	85.9 mm

The SB17NRX2C35-4 Norex Bass-midwoofer from SB Acoustics is a premium 6.5-inch driver engineered to deliver accurate, low-distortion bass and midrange performance. As part of the acclaimed Norex series, this driver is ideal for audiophile-grade loudspeaker designs, including two-way bookshelf speakers, three-way systems, and compact subwoofer applications. Its exceptional linearity and controlled response make it a superb choice for both music and home theatre setups, where clarity and precision are paramount.

Technically, the SB17NRX2C35-4 features a lightweight Norex cone that combines stiffness with low mass, ensuring fast transient response and reduced breakup. The advanced motor system, with a 4-ohm impedance and 90 dB sensitivity (SPL 1m/2.83V), provides high efficiency and dynamic headroom. Key specifications include a total Q factor (Qts) of 0.37, a mechanical Q (Qms) of 4.49, and an electromagnetic Q (Qes) of 0.41, indicating a well-damped, controlled alignment. The maximum linear excursion (Xmax) of 5.5 mm, combined with a low voice coil inductance (Le) of 0.13 mH and DC resistance (Re) of 3.1 ohms, ensures minimal distortion and excellent power handling. With a nominal diameter of 171 mm, a mounting depth of 85.9 mm, and four mounting holes, this driver integrates seamlessly into custom enclosures. The SB17NRX2C35-4 is a testament to SB Acoustics' commitment to engineering excellence, offering a refined, natural sound that elevates any speaker project.