- Net volume
- 9L
- Tuning
- 70Hz
B&C gives the volume and tuning; the port is sized for the driver when you open it.
6.5-inch LF driver · 6PS series · 44 mm voice coil · 200 W
B&C 6PS44 8Ω
8 Ω · 70–5000 Hz
£86.62
SteadyJP Leisure · In stock · All 2 offers
- Fs
- 71Hz
- Xmax
- 4.5mm
- SPL
- 91dB
- Pe
- 200W
- BL
- 11T·m
- Vd
- 59cm³
- Qts
- 0.33
- Vas
- 7L
Manufacturer response and impedance data, with source and trace details below. The left and right arrow keys read every shown curve at a frequency, a twelfth of an octave at a time, or an octave with Shift. Escape clears the reading.
Curve provenanceInspect 2 traces
These plotted lines are Bits digitizations of manufacturer evidence, not new measurements. How provenance works
- Trace datasheet-response-trace-poc/v2
free-air SPL
Frequency response
240 plotted pointsSource file SHA-256 9bbe7946026d…Medium confidence6,350 selected pixels of 6,350 - Trace datasheet-response-trace-poc/v2
free-air impedance
Impedance response
240 plotted pointsSource file SHA-256 9bbe7946026d…Medium confidence4,331 selected pixels of 4,331
Published graphs
B&C 6PS44 is a 6.5-inch 8 ohm LF driver rated at 200 W RMS. The validated T/S data includes Fs 71 Hz, Qts 0.33, Vas 7 L, Xmax 4.5 mm, sensitivity 90.7 dB, plus 59 cm³ Vd and 209 EBP. bits tracks UK, EU and US shop prices, price movement, datasheet links, simulator import data, and similar drivers, with a current best price of £86.62.
The published T/S values agree with each other
Thiele/Small
- Fs
- 71Hz
- Qts
- 0.33
- Qes
- 0.34
- Qms
- 12.5
- Vas
- 7L
- Re
- 5.3Ω
- Le
- 0.70mH
Motor and cone
- BL
- 11T·m
- Sd
- 132cm²
- Mms
- 18g
- Xmax
- 4.5mm
- Vd †
- 59cm³
- Voice coil
- 44mm
- Flux density
- 1.25T
Power and response
- Sensitivity †
- 90.7dB
- Manufacturer sensitivity
- 93dB
- Power
- 200W
- Nominal power
- 200W
- Impedance
- 8Ω
- Min. impedance
- 6Ω
- Range
- 70–5000Hz
- EBP †
- 209 · Leans vented
Size and mounting
- Diameter
- 187mm
- Cutout
- 145mm
- Bolt circle
- 172mm
- Depth
- 88mm
- Weight
- 2.4kg
Sensitivity shows 90.7 dB, calculated from the T/S values. B&C publishes 93.0 dB, 2.3 dB apart.
† Calculated by bits from the published values
What this validation status means
Everything else B&C lists
LF
- BL
- 11T·m
- Fs
- 71Hz
- Le
- 0.70mH
- Re
- 5.3Ω
- Sd
- 132cm²
- Mms
- 18g
- Qes
- 0.34
- Qms
- 12.5
- Qts
- 0.33
- SPL
- 90.7dB
- Vas
- 7L
- Xmax
- 4.5mm
- Power
- 200W
- Impedance
- 8Ω
- Flux density
- 1.25T
- Sensitivity
- 93dB
- Low limit
- 70Hz
- Nominal power
- 200W
- Calculated sensitivity †
- 90.7dB
- High limit
- 5000Hz
- Manufacturer sensitivity
- 93dB
- Min. impedance
- 6Ω
- Voice coil
- 44mm
- Weight
- 2.4kg
- Diameter
- 187mm
- Depth
- 88mm
- Cutout
- 145mm
- Bolt circle
- 172mm
- Bl
- 11 Tm
- Fs
- 71 Hz
- Le
- 0.7 mH
- Re
- 5.3 Ω
- Sd
- 132 cm² (20.46 in²)
- Ebp
- 209 Hz
- Mms
- 18 g
- Qes
- 0.34
- Qms
- 12.5
- Qts
- 0.33
- Vas
- 7 dm³ (0.25 ft³)
- Η0
- 0.7 %
- Cone
- RCK06PS448
- Xmax
- 4.5 mm
- Xvar
- 6 mm
- Depth
- 88 mm (3.46 in)
- Spider
- Single
- Cone shape
- Radial
- Net weight
- 2.35 kg (5.18 lb)
- Pole design
- Straight Pole
- Sensitivity
- 93 dB
- Flux density
- 1.25 T
- Shipping box
- 210x210x125 mm (8.27x8.27x4.92 in)
- Winding depth
- 12 mm (0.49 in)
- Shipping units
- 1 pcs
- Surround shape
- Roll
- Former material
- Glass Fibre
- Frequency range
- 70 Hz - 5000 Hz
- Magnet material
- Ferrite
- Shipping weight
- 2.55 kg (5.62 lb)
- Nominal diameter
- 170 mm (6.5 in)
- Overall diameter
- 187 mm (7.36 in)
- Winding material
- Copper
- Minimum impedance
- 6 Ω
- Nominal impedance
- 8 Ω
- Magnetic gap depth
- 6 mm (0.24 in)
- Recommended tuning
- 70 Hz
- Voice coil diameter
- 44 mm (1.7 in)
- Bolt circle diameter
- 172 mm (6.77 in)
- Recommended enclosure
- 9 dm³ (0.32 ft³)
- Woofer cone treatment
- WP Waterproof Front Side
- Baffle cutout diameter
- 145 mm (5.71 in)
- Nominal power handling
- 200 W
- Continuous power handling
- 400 W
- Flange and gasket thickness
- 13 mm (0.51 in)
- Air volume occupied by driver
- 0.9 dm³ (0.03 ft³)
B&C’s suggested box
From B&C’s 6PS44 page
Open this box in 00 Simulator
Modelling the box in 00 Simulator…
03
Compare
Same-size drivers, compared with the 6PS44. Clear differences are green when better and red when worse.
This driver6PS44
Best price
£86.62
Fs
71 Hz
Qts
0.33
Vas
7 L
BL
11 T·m
Xmax
4.5 mm
Sensitivity
90.7 dB
Power
200 W
LavoceWSF061.52
£26.27 · 70% less, betterFs91 Hz +28%, worse
Qts0.34 +3%
Vas6.6 L −5%
BL10.8 T·m –
Xmax3.8 mm −16%, worse
Sensitivity93.4 dB +2.7, better
FaitalPRO6FE400
£37.20 · 57% less, betterFs100 Hz +41%, worse
Qts0.36 +9%
Vas5 L −29%, better
BL10.5 T·m −5%
Xmax4.8 mm +6%
Sensitivity93 dB +2.3, better
CelestionTFX0615
£59.20 · 32% less, betterFs97 Hz +36%, worse
Qts0.38 +14%, worse
Vas7.2 L –
BL9.8 T·m −11%, worse
Xmax5.3 mm +17%, better
Sensitivity93.8 dB +3.1, better
CIAREFXI6
£63.52 · 27% less, betterFs70 Hz –
Qts0.33 –
Vas8 L +14%, worse
BL10.6 T·m −4%
Xmax5.3 mm +18%, better
Sensitivity90.7 dB –
SB AudienceROSSO-6MW150D
£67.15 · 22% less, betterFs66 Hz −7%
Qts0.32 −3%
Vas8.8 L +26%, worse
BL11.6 T·m +5%
Xmax5.2 mm +16%, better
Sensitivity90.9 dB –
PRV Audio6MB550FT
£68.08 · 21% less, betterFs85 Hz +20%, worse
Qts0.34 +3%
Vas8.2 L +18%, worse
BL9.8 T·m −11%, worse
Xmax5.4 mm +20%, better
Sensitivity93.3 dB +2.6, better
B&C6MBX44
£74.45 · 14% less, betterFs113 Hz +59%, worse
Qts0.31 −6%
Vas4.1 L −41%, better
BL11.7 T·m +6%
Xmax3.5 mm −22%, worse
Sensitivity94.4 dB +3.7, better
FaitalPRO6PR160
£83.85 · 3% lessFs90 Hz +27%, worse
Qts0.33 –
Vas5.9 L −16%, better
BL11 T·m –
Xmax5 mm +11%, better
Sensitivity92.9 dB +2.2, better
FaitalPRO6PR150
£85.46 · 1% lessFs100 Hz +41%, worse
Qts0.34 +3%
Vas4.9 L −30%, better
BL11.6 T·m +5%
Xmax2.6 mm −41%, worse
Sensitivity93.5 dB +2.8, better
B&C6PS38
£89.63 · 3% moreFs75 Hz +6%
Qts0.30 −9%
Vas8 L +14%, worse
BL10.8 T·m –
Xmax6 mm +33%, better
Sensitivity92.4 dB +1.7
CIARENDI6
£90.71 · 5% moreFs71 Hz –
Qts0.29 −12%, better
Vas8.5 L +21%, worse
BL10.8 T·m –
Xmax5.3 mm +18%, better
Sensitivity91.8 dB +1.1
WavecorWF152BD13
£99.19 · 15% more, worseFs50 Hz −30%, better
Qts0.33 –
Vas9.2 L +31%, worse
BL6.3 T·m −42%, worse
Xmax4.5 mm –
Sensitivity87.3 dB −3.4, worse
WavecorWF152BD09
£111.30 · 29% more, worseFs52 Hz −27%, better
Qts0.34 +3%
Vas8.6 L +23%, worse
BL5.8 T·m −47%, worse
Xmax4.5 mm –
Sensitivity87.4 dB −3.3, worse
Eighteen Sound6NMB420
£115.20 · 33% more, worseFs110 Hz +55%, worse
Qts0.33 –
Vas6.1 L −13%, better
BL9 T·m −18%, worse
Xmax3 mm −33%, worse
Sensitivity95.3 dB +4.6, better
WavecorWF152BD03
£144.41 · 67% more, worseFs56 Hz −22%, better
Qts0.35 +6%
Vas9.2 L +31%, worse
BL5.8 T·m −47%, worse
Xmax4.5 mm –
Sensitivity88.4 dB −2.3, worse
FaitalPRO6HX150
£155.14 · 79% more, worseFs88 Hz +24%, worse
Qts0.34 +3%
Vas6.3 L −10%, better
BL12 T·m +9%
Xmax4.3 mm −3%
Sensitivity92.9 dB +2.2, better
Eighteen Sound6NTLW2000
£159.23 · 84% more, worseFs86 Hz +21%, worse
Qts0.35 +6%
Vas4.6 L −34%, better
BL11.6 T·m +5%
Xmax4.9 mm +9%
Sensitivity90.9 dB –
B&C6CLA51
No current priceFs96 Hz +35%, worse
Qts0.32 −3%
Vas4.3 L −39%, better
BL11.4 T·m +4%
Xmax4.8 mm +7%
Sensitivity92.3 dB +1.6
Sica6 NR 2 PL
No current priceFs61 Hz −15%, better
Qts0.33 –
Vas9.4 L +34%, worse
BL9.9 T·m −10%, worse
Xmax4 mm −11%, worse
Sensitivity89.9 dB −0.8
CelestionNTR06-17X
No current priceFs60 Hz −15%, better
Qts0.32 –
Vas13.2 L +88%, worse
BL10.4 T·m −6%
Xmax4.5 mm –
Sensitivity91.4 dB +0.7
Oberton6NCX
No current priceFs89 Hz +26%, worse
Qts0.36 +10%, worse
Vas7.0 L –
BL9 T·m −18%, worse
Xmax4.8 mm +6%
Sensitivity93.1 dB +2.4, better
BMS6CN160
No current priceFs79 Hz +11%, worse
Qts0.34 +3%
Vas8.9 L +27%, worse
BL10 T·m −9%
Xmax5 mm +11%, better
Sensitivity92.7 dB +2, better
WavecorWF152BD05
No current priceFs50 Hz −30%, better
Qts0.33 –
Vas9.2 L +31%, worse
BL6.3 T·m −42%, worse
Xmax4.5 mm –
Sensitivity87.3 dB −3.4, worse
PRV Audio6MB550FT-4
No current priceFs86 Hz +22%, worse
Qts0.34 +3%
Vas6.6 L −6%
BL8.6 T·m −22%, worse
Xmax5.4 mm +20%, better
Sensitivity92.9 dB +2.2, better
Sica6 N 2 PL
No current priceFs68 Hz −4%
Qts0.33 –
Vas8.7 L +24%, worse
BL9.5 T·m −14%, worse
Xmax3.5 mm −22%, worse
Sensitivity90.8 dB –
Sica5.5 C 1.5 CP
No current priceFs62 Hz −13%, better
Qts0.31 −6%
Vas5.4 L −23%, better
BL7.9 T·m −28%, worse
Xmax4 mm −11%, worse
Sensitivity87.8 dB −2.9, worse
Beyma6CX200FE
No current priceFs65 Hz −8%
Qts0.32 −3%
Vas10.5 L +51%, worse
BL9.2 T·m −16%, worse
Xmax5 mm +11%, better
Sensitivity91.3 dB +0.6
WavecorWF152BD10
No current priceFs49 Hz −31%, better
Qts0.32 −3%
Vas9.6 L +37%, worse
BL5.8 T·m −47%, worse
Xmax4.5 mm –
Sensitivity87.4 dB −3.3, worse
REDCATT61NPM
No current priceFs92 Hz +30%, worse
Qts0.36 +9%
Vas7 L –
BL9.8 T·m −11%, worse
Xmax2.3 mm −49%, worse
Sensitivity93.6 dB +2.9, better
LavoceMAN062.00
No current priceFs103 Hz +45%, worse
Qts0.30 −9%
Vas4.1 L −42%, better
BL12.7 T·m +16%, better
Xmax3.9 mm −13%, worse
Sensitivity93.3 dB +2.6, better
Tune the match
Choose the published values that matter to your design. Size stays matched to this driver.
Qts
Qes
VasL
Xmaxmm
BLTm
| Shop | Price | Against the lowest | Stock | Link |
|---|---|---|---|---|
JP Leisure | £86.62, the lowest price | In stock | Visit shop at JP Leisure | |
JP Leisure Not currently listed · Last seen 7 Aug 2026 | £86.62 | In stock | Visit shop at JP Leisure |
Best price over time
Tracked since 1 Apr
Recent changes
- 23 JunJP Leisure£84.37 → £86.62Up 2.7% from £84.37