Media
Auto-advancing
Size
6.5"
Impedance
8Ω
RMS Power
300W
Sensitivity
92dB
EBP
223
Vented alignment
Vd
73cm³
Frequency response
Manufacturer-provided response plots and related charts.
Overall Parameters
Valid
Fs89Hz
Qts0.38
Qes0.40
Qms7.5
Vas5.0L
Re5.2Ω
Le0.80mH
BL10.9Tm
Sd132cm²
Mms16g
Xmax5.5mm
SPL92dB
Power300W
Power Nominal150W
Impedance8Ω
Min Impedance6.0Ω
Voice Coil51mm
Flux Density1.10T
Hybrid view: LF section is used for excursion/motor values, while frequency limits merge upper sections.
Pricing & availability
Price movement
Other offers
1 vendorbluearan
Updated 17 May 2026· 8Ω
Source: inc VAT · 20%
£174.05
inc VAT
Best current price
Updated 17 May 2026
jpleisure
£167.58
Avg £170.82£3.23 below avg (-1.9%)
inc VAT
Driver Components
LFSpecifications LF unit
Fs89 Hz
Qts0.38
Qes0.40
Qms7.5
Vas5.0 L
Re5.2 Ω
Le0.80 mH
BL10.9 Tm
Sd132 cm²
Mms16 g
Xmax5.5 mm
SPL92 dB
Power300 W
Power Nominal150 W
Impedance8 Ω
Min Impedance6.0 Ω
Voice Coil51 mm
Flux Density1.10 T
HFSpecifications HF unit
Le0.06 mH
SPL105 dB
Power50 W
Power Nominal25 W
Impedance8 Ω
Min Impedance7.5 Ω
Xover2200 Hz
Voice Coil36 mm
Flux Density1.80 T
Additional Manufacturer Specs
Bl10.9 Tm
Fs89 Hz
Le0.8 mH
Re5.2 Ω
Sd132 cm² (20.5 in²)
Ebp223 Hz
Mms16 g
Qes0.4
Qms7.5
Qts0.38
Vas5 dm³ (0.18 ft³)
η00.8 %
Xvar5.5 mm
Winding Depth13 mm (0.51 in)
Former MaterialKapton
Nominal Diameter170 mm (6.5 in)
Winding MaterialCopper
Magnetic Gap Depth6 mm (0.24 in)
Woofer Cone TreatmentTWP Waterproof Both Sides
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Reference
B&C
6HCX51
6.5"
Best current price
£167.58
Compare on
Only active params are shown here. Size stays fixed automatically.
5 active T/S params, plus size.
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