SB Acoustics SB12PFCR25-8 Bass-midwoofer

SB ACOUSTICS | Bass mid-bass subwoofer

SB Acoustics SB12PFCR25-8 Bass-midwoofer

Name: SB Acoustics Acoustics mélysugárzó 4" | HQ AudioParts
Brand: SB Acoustics
SKU: SB12PFCR25-8
Price: 10990.00 HUF
Availability: LimitedAvailability

SKU: SB12PFCR25-8

101.6 mm 8 Ω

Achieve accurate midbass reproduction in compact speaker designs with this 4-inch paper cone driver. The SB Acoustics SB12PFCR25-8 delivers a natural, detailed sound character suited for two-way or multi-way systems. It features a total Q factor (Qts) of 0.56 and a maximum linear excursion (Xmax) of 5 mm.

10 990 Ft

(8 654 Ft + VAT)

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Külső raktár 2. 8 pcs júl. 9.

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Technical data

Nominal diameter	101.6 mm
Impedance	8 Ω
Resonance frequency (Fs)	64 Hz
Sensitivity (SPL at 1 m / 2.83 V)	84.5 dB
Maximum linear deflection (Xmax)	5 mm

Total Q (Qts)	0.56
Electromagnetic Q (Qes)	0.65
Mechanical Q (Qms)	4.1
DC resistance (Re)	6.4 Ω
Voice coil inductance (L_e)	0.36 mH
BL product (BL)	4.5 T·m
The surface area of the cone (Sd)	50 cm²
Mechanical compliance of the suspension (Cms)	1.21 mm/N
Drive mechanical losses (RMS)	0.5 kg/s
Woofer type	VMV D1se MQA Hi-End Audio DAC with Bluetooth 5.0 AptX
Voice coil diameter	25.4 mm
Subwoofer Series	SB Acoustics PFC Paper Series
# Mounting holes	4

The SB Acoustics SB12PFCR25-8 is a 4-inch bass-midwoofer that brings refined performance to compact loudspeaker designs. Featuring a carefully crafted paper cone, this driver delivers a natural, detailed sound character that audiophiles and DIY enthusiasts will appreciate. Its balanced tonal quality makes it an excellent choice for two-way bookshelf speakers, small floorstanding designs, or multi-way systems where accurate midbass reproduction is essential.

This driver excels in applications where space is limited but sound quality cannot be compromised. It is ideally suited for use in nearfield monitors, compact home theatre setups, or as a dedicated midbass unit in three-way configurations. The 8-ohm impedance ensures compatibility with a wide range of amplifiers, while the 84.5 dB sensitivity allows for efficient power handling in modestly powered systems.

Technically, the SB12PFCR25-8 features a 25.4 mm voice coil and a linear excursion (Xmax) of 5 mm, enabling controlled, low-distortion bass. The total Q factor of 0.56, combined with a resonance frequency of 64 Hz, supports versatile enclosure designs, including sealed and ported alignments. Low voice coil inductance (0.36 mH) and a robust 0.5 Rms value contribute to clean transient response and reduced harmonic distortion.

With its paper cone construction and precision engineering, this driver from the SB Acoustics PFC Paper series offers a compelling blend of musicality and technical accuracy. It is a reliable foundation for high-fidelity loudspeaker projects.