- Net volume
- 9L
- Tuning
- 80Hz
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 · 38 mm voice coil · 150 W
B&C 6PS38 8Ω
8 Ω · 75–5000 Hz
£89.63
SteadyJP Leisure · In stock · All 3 offers
- Fs
- 75Hz
- Xmax
- 6mm
- SPL
- 92dB
- Pe
- 150W
- BL
- 10.8T·m
- Vd
- 79cm³
- Qts
- 0.30
- Vas
- 8L
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 23dcb921e4e9…Medium confidence11,030 selected pixels of 11,318 - Trace datasheet-response-trace-poc/v2
free-air impedance
Impedance response
240 plotted pointsSource file SHA-256 23dcb921e4e9…Medium confidence7,883 selected pixels of 8,702
Published graphs
B&C 6PS38 is a 6.5-inch 8 ohm LF driver rated at 150 W RMS. The validated T/S data includes Fs 75 Hz, Qts 0.30, Vas 8 L, Xmax 6 mm, sensitivity 92.4 dB, plus 79 cm³ Vd and 242 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 £89.63.
The published T/S values agree with each other
Thiele/Small
- Fs
- 75Hz
- Qts
- 0.30
- Qes
- 0.31
- Qms
- 11.7
- Vas
- 8L
- Re
- 5.4Ω
- Le
- 0.60mH
Motor and cone
- BL
- 10.8T·m
- Sd
- 132cm²
- Mms
- 14g
- Xmax
- 6mm
- Vd †
- 79cm³
- Voice coil
- 38mm
- Flux density
- 1.40T
Power and response
- Sensitivity †
- 92.4dB
- Manufacturer sensitivity
- 94dB
- Power
- 150W
- Nominal power
- 150W
- Impedance
- 8Ω
- Min. impedance
- 6.6Ω
- Range
- 75–5000Hz
- EBP †
- 242 · Leans vented
Size and mounting
- Diameter
- 187mm
- Cutout
- 145mm
- Bolt circle
- 172mm
- Depth
- 82mm
- Weight
- 2.4kg
Sensitivity shows 92.4 dB, calculated from the T/S values. B&C publishes 94.0 dB, 1.6 dB apart.
† Calculated by bits from the published values
What this validation status means
Everything else B&C lists
LF
- BL
- 10.8T·m
- Fs
- 75Hz
- Le
- 0.60mH
- Re
- 5.4Ω
- Sd
- 132cm²
- Mms
- 14g
- Qes
- 0.31
- Qms
- 11.7
- Qts
- 0.30
- SPL
- 92.4dB
- Vas
- 8L
- Xmax
- 6mm
- Power
- 150W
- Impedance
- 8Ω
- Flux density
- 1.40T
- Sensitivity
- 94dB
- Low limit
- 75Hz
- Nominal power
- 150W
- Calculated sensitivity †
- 92.4dB
- High limit
- 5000Hz
- Manufacturer sensitivity
- 94dB
- Min. impedance
- 6.6Ω
- Voice coil
- 38mm
- Weight
- 2.4kg
- Diameter
- 187mm
- Depth
- 82mm
- Cutout
- 145mm
- Bolt circle
- 172mm
- Bl
- 10.8 Tm
- Fs
- 75 Hz
- Le
- 0.6 mH
- Re
- 5.4 Ω
- Sd
- 132 cm² (20.46 in²)
- Ebp
- 242 Hz
- Mms
- 14 g
- Qes
- 0.31
- Qms
- 11.7
- Qts
- 0.3
- Vas
- 8 dm³ (0.28 ft³)
- Η0
- 1 %
- Cone
- RCK06PS388
- Xmax
- 6 mm
- Xvar
- 7.5 mm
- Depth
- 82 mm (3.23 in)
- Spider
- Single
- Cone shape
- Radial
- Net weight
- 2.35 kg (5.18 lb)
- Pole design
- Straight Pole
- Sensitivity
- 94 dB
- Flux density
- 1.4 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
- 75 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
- Aluminium
- Minimum impedance
- 6.6 Ω
- Nominal impedance
- 8 Ω
- Magnetic gap depth
- 6 mm (0.24 in)
- Recommended tuning
- 80 Hz
- Voice coil diameter
- 38 mm (1.5 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
- 150 W
- Continuous power handling
- 300 W
- Flange and gasket thickness
- 9 mm (0.35 in)
- Air volume occupied by driver
- 0.8 dm³ (0.03 ft³)
B&C’s suggested box
From B&C’s 6PS38 page
Open this box in 00 Simulator
Modelling the box in 00 Simulator…
03
Compare
Same-size drivers, compared with the 6PS38. Clear differences are green when better and red when worse.
This driver6PS38
Best price
£89.63
Fs
75 Hz
Qts
0.30
Vas
8 L
BL
10.8 T·m
Xmax
6 mm
Sensitivity
92.4 dB
Power
150 W
LavoceWSF061.52
£26.27 · 71% less, betterFs91 Hz +21%, worse
Qts0.34 +13%, worse
Vas6.6 L −17%, better
BL10.8 T·m –
Xmax3.8 mm −37%, worse
Sensitivity93.4 dB +1
Dayton AudioDS175-8
£37.84 · 58% less, betterFs37 Hz −51%, better
Qts0.27 −10%
Vas17 L +113%, worse
BL10.4 T·m −4%
Xmax5.3 mm −13%, worse
Sensitivity86.3 dB −6.1, worse
Dayton AudioDSA175-8
£41.63 · 54% less, betterFs38 Hz −49%, better
Qts0.29 −3%
Vas18.7 L +134%, worse
BL9.8 T·m −10%
Xmax5.3 mm −12%, worse
Sensitivity86.8 dB −5.6, worse
Dayton AudioDCS165-4
£49.20 · 45% less, betterFs36 Hz −52%, better
Qts0.34 +13%, worse
Vas12.1 L +51%, worse
BL9.2 T·m −15%, worse
Xmax6 mm –
Sensitivity83.9 dB −8.5, worse
CIAREFXI6
£63.52 · 29% less, betterFs70 Hz −7%
Qts0.33 +10%, worse
Vas8 L –
BL10.6 T·m –
Xmax5.3 mm −12%, worse
Sensitivity90.7 dB −1.7
SB AudienceROSSO-6MW150D
£67.15 · 25% less, betterFs66 Hz −12%, better
Qts0.32 +7%
Vas8.8 L +10%, worse
BL11.6 T·m +7%
Xmax5.2 mm −13%, worse
Sensitivity90.9 dB −1.5
PRV Audio6MB550FT
£68.08 · 24% less, betterFs85 Hz +13%, worse
Qts0.34 +13%, worse
Vas8.2 L –
BL9.8 T·m −10%
Xmax5.4 mm −10%
Sensitivity93.3 dB +0.9
LavoceWAN061.80
£83.14 · 7% less, betterFs60 Hz −20%, better
Qts0.27 −10%
Vas11.2 L +40%, worse
BL10.9 T·m –
Xmax5.2 mm −13%, worse
Sensitivity91.2 dB −1.2
FaitalPRO6PR160
£83.85 · 6% less, betterFs90 Hz +20%, worse
Qts0.33 +10%, worse
Vas5.9 L −26%, better
BL11 T·m –
Xmax5 mm −17%, worse
Sensitivity92.9 dB +0.5
FaitalPRO6RS140
£84.31 · 6% less, betterFs65 Hz −13%, better
Qts0.27 −10%
Vas9.3 L +16%, worse
BL11 T·m –
Xmax5.6 mm −7%
Sensitivity91.6 dB −0.8
B&C6PS44
£86.62 · 3% lessFs71 Hz −5%
Qts0.33 +10%, worse
Vas7 L −13%, better
BL11 T·m –
Xmax4.5 mm −25%, worse
Sensitivity90.7 dB −1.7
Beyma6P200FE
£89.79 · Same priceFs58 Hz −23%, better
Qts0.26 −13%, better
Vas11.1 L +39%, worse
BL10.5 T·m –
Xmax5 mm −17%, worse
Sensitivity91.1 dB −1.3
CIARENDI6
£90.71 · 1% moreFs71 Hz −5%
Qts0.29 −3%
Vas8.5 L +6%
BL10.8 T·m –
Xmax5.3 mm −12%, worse
Sensitivity91.8 dB −0.6
Beyma6P200ND
£138.18 · 54% more, worseFs56 Hz −25%, better
Qts0.29 −3%
Vas11.9 L +49%, worse
BL10.5 T·m –
Xmax5.5 mm −8%
Sensitivity90.2 dB −2.2, worse
SB AcousticsMR16P-8
£160.88 · 79% more, worseFs32 Hz −57%, better
Qts0.30 –
Vas44.3 L +454%, worse
BL6.5 T·m −40%, worse
Xmax6.2 mm +3%
Sensitivity88.6 dB −3.8, worse
WavecorWF182BD08
£192.85 · 115% more, worseFs33 Hz −55%, better
Qts0.29 −3%
Vas32.4 L +305%, worse
BL8.5 T·m −21%, worse
Xmax5.5 mm −8%
Sensitivity88.1 dB −4.3, worse
WavecorWF182BD16
£193.95 · 116% more, worseFs37 Hz −51%, better
Qts0.30 –
Vas23 L +188%, worse
BL8.5 T·m −21%, worse
Xmax5.5 mm −8%
Sensitivity87.8 dB −4.6, worse
Oberton6NB150
No current priceFs62 Hz −17%, better
Qts0.28 −7%
Vas9.3 L +16%, worse
BL10.8 T·m –
Xmax5.5 mm −8%
Sensitivity90.8 dB −1.6
Beyma6CX200ND
No current priceFs65 Hz −13%, better
Qts0.27 −10%
Vas9.4 L +18%, worse
BL10.5 T·m –
Xmax5.5 mm −8%
Sensitivity91.5 dB −0.9
VoltBM165.4
No current priceFs32 Hz −57%, better
Qts0.30 –
Vas32.3 L +304%, worse
BL9.6 T·m −11%, worse
Xmax6 mm –
Sensitivity87.2 dB −5.2, worse
Oberton6B150
No current priceFs55 Hz −27%, better
Qts0.29 –
Vas14.6 L +83%, worse
BL10.1 T·m −6%
Xmax5.5 mm −8%
Sensitivity91 dB −1.4
CIAREHSG160
No current priceFs38 Hz −49%, better
Qts0.29 −3%
Vas16.5 L +106%, worse
BL9.8 T·m −9%
Xmax5.5 mm −8%
Sensitivity86.7 dB −5.7, worse
Acoustic EleganceTD6M-8
No current priceFs76 Hz –
Qts0.27 −10%
Vas9.2 L +15%, worse
BL10.6 T·m –
Xmax3 mm −50%, worse
Sensitivity93.5 dB +1.1
PurifiPTT6.5W04-NAA-08
No current priceFs33 Hz −56%, better
Qts0.30 –
Vas23.3 L +191%, worse
BL7.7 T·m −29%, worse
Xmax5.9 mm –
Sensitivity86.3 dB −6.1, worse
Beyma6CX200FE
No current priceFs65 Hz −13%, better
Qts0.32 +7%
Vas10.5 L +32%, worse
BL9.2 T·m −15%, worse
Xmax5 mm −17%, worse
Sensitivity91.3 dB −1.1
BMS6CN160
No current priceFs79 Hz +5%
Qts0.34 +13%, worse
Vas8.9 L +11%, worse
BL10 T·m −7%
Xmax5 mm −17%, worse
Sensitivity92.7 dB –
PRV Audio6MB550FT-4
No current priceFs86 Hz +15%, worse
Qts0.34 +13%, worse
Vas6.6 L −18%, better
BL8.6 T·m −20%, worse
Xmax5.4 mm −10%
Sensitivity92.9 dB +0.5
Sica6 NR 2 PL
No current priceFs61 Hz −19%, better
Qts0.33 +10%, worse
Vas9.4 L +18%, worse
BL9.9 T·m −9%
Xmax4 mm −33%, worse
Sensitivity89.9 dB −2.5, worse
No photo
PHL Audio1752NDU
No current priceFs119 Hz +59%, worse
Qts0.30 –
Vas4.4 L −45%, better
BL11.9 T·m +10%, better
Xmax3 mm −50%, worse
Sensitivity95.5 dB +3.1, better
PurifiPTT6.5W08-NFA-06
No current priceFs38 Hz −49%, better
Qts0.33 +10%, worse
Vas22.5 L +181%, worse
BL9.5 T·m −12%, worse
Xmax5.9 mm –
Sensitivity87.4 dB −5, worse
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 | £89.63, the lowest price | In stock | Visit shop at JP Leisure | |
Thomann Not currently listed · Last seen 20 Apr 2026 | £86.00 | Stock not listed | Visit shop at Thomann | |
JP Leisure Not currently listed · Last seen 7 Aug 2026 | £89.63 | In stock | Visit shop at JP Leisure |
Best price over time
Tracked since 1 Apr
Recent changes
- 23 JunJP Leisure£84.72 → £89.63Up 5.8% from £84.72