SB AcousticsSB15SFCR39-4
£39.73 · 73% less, betterFs31 Hz +7%
Qts0.32 −3%
Vas49.9 L +4%
BL6.9 T·m +10%
Xmax5.5 mm −8%
Sensitivity88.4 dB +1.1
6-inch LF driver · MW16 series · 36 mm voice coil · 60 W
SB Acoustics MW16P-8 8Ω
8 Ω
£145.30
SteadyLean Audio · 2 in stock · All 6 offers
- Fs
- 29Hz
- Xmax
- 6mm
- SPL
- 87dB
- Pe
- 60W
- BL
- 6.3T·m
- Vd
- 71cm³
- Qts
- 0.33
- Vas
- 48L
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/v1
30 degrees
Frequency response
240 plotted pointsMedium confidence741 selected pixels of 1,438 - Trace datasheet-response-trace-poc/v1
60 degrees
Frequency response
233 plotted pointsMedium confidence908 selected pixels of 2,449
Published graphs
SB Acoustics MW16P-8 is a 6-inch 8 ohm LF driver rated at 60 W RMS. The validated T/S data includes Fs 29 Hz, Qts 0.33, Vas 48 L, Xmax 6 mm, sensitivity 87.3 dB, plus 71 cm³ Vd and 83 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 £145.30.
The published T/S values agree with each other
Thiele/Small
- Fs
- 29Hz
- Qts
- 0.33
- Qes
- 0.35
- Qms
- 4.5
- Vas
- 48L
- Re
- 6.2Ω
- Le
- 0.20mH
Motor and cone
- BL
- 6.3T·m
- Sd
- 119cm²
- Mms
- 12g
- Xmax
- 6mm
- Vd †
- 71cm³
- Voice coil
- 36mm
- Flux density
- 1.17T
Power and response
- Sensitivity †
- 87.3dB
- Manufacturer sensitivity
- 87.5dB
- Power
- 60W
- Impedance
- 8Ω
- EBP †
- 83 · Sealed or vented
Size and mounting
- Weight
- 1.0kg
Other published values
- Cms
- 2.40mm/N
† Calculated by bits from the published values
What this validation status means
Everything else SB Acoustics lists
LF · Primary · 6″
- BL
- 6.3T·m
- Fs
- 29Hz
- Le
- 0.20mH
- Re
- 6.2Ω
- Sd
- 119cm²
- Cms
- 2.40mm/N
- Mms
- 12g
- Qes
- 0.35
- Qms
- 4.5
- Qts
- 0.33
- SPL
- 87.3dB
- Vas
- 48L
- Xmax
- 6mm
- Power
- 60W
- Impedance
- 8Ω
- Flux density
- 1.17T
- Sensitivity
- 87.5dB
- Calculated sensitivity †
- 87.3dB
- Manufacturer sensitivity
- 87.5dB
- Voice coil
- 36mm
- Weight
- 1.0kg
02
Compare
Same-size drivers, compared with the MW16P-8. Clear differences are green when better and red when worse.
This driverMW16P-8
Best price
£145.30
Fs
29 Hz
Qts
0.33
Vas
48 L
BL
6.3 T·m
Xmax
6 mm
Sensitivity
87.3 dB
Power
60 W
Eighteen Sound5W430
£44.95 · 69% less, betterFs52 Hz +79%, worse
Qts0.32 −3%
Vas15 L −69%, better
BL6.3 T·m –
Xmax6 mm –
Sensitivity89.7 dB +2.4, better
SB AcousticsSB17MFC35-8
£54.89 · 62% less, betterFs33 Hz +14%, worse
Qts0.37 +12%, worse
Vas39 L −19%, better
BL5.9 T·m −6%
Xmax5.5 mm −8%
Sensitivity87.5 dB –
SB AcousticsSB17NRXC35-4
£58.18 · 60% less, betterFs35 Hz +21%, worse
Qts0.32 −3%
Vas35.2 L −27%, better
BL4.8 T·m −24%, worse
Xmax5.5 mm −8%
Sensitivity88.5 dB +1.2
SB AcousticsSB17NRXC35-8
£58.60 · 60% less, betterFs32 Hz +10%, worse
Qts0.34 +3%
Vas44.5 L −7%
BL5.9 T·m −6%
Xmax5.5 mm −8%
Sensitivity88.1 dB +0.8
SB AcousticsSB17NBAC35-8
£65.93 · 55% less, betterFs32 Hz +9%
Qts0.35 +6%
Vas45 L −6%
BL5.9 T·m −6%
Xmax5.5 mm −8%
Sensitivity87.7 dB –
SB AcousticsSB17NAC35-4
£71.13 · 51% less, betterFs32 Hz +10%, worse
Qts0.32 −3%
Vas33 L −31%, better
BL5.2 T·m −17%, worse
Xmax5.5 mm −8%
Sensitivity87.1 dB –
SB AcousticsSB17CRC35-8
£85.53 · 41% less, betterFs28 Hz −3%
Qts0.34 +3%
Vas48 L –
BL6 T·m −5%
Xmax5.5 mm −8%
Sensitivity86.6 dB −0.7
SB AcousticsSB17CRC35-4
£85.53 · 41% less, betterFs32 Hz +9%
Qts0.32 −3%
Vas35.5 L −26%, better
BL5 T·m −21%, worse
Xmax5.5 mm −8%
Sensitivity87 dB –
SB AcousticsSB17CAC35-8
£87.88 · 40% less, betterFs28 Hz −3%
Qts0.36 +9%
Vas42 L −13%, better
BL6.2 T·m –
Xmax5.5 mm −8%
Sensitivity85.7 dB −1.6
SEASH1215-08 CA18RNX
£101.94 · 30% less, betterFs35 Hz +21%, worse
Qts0.31 −6%
Vas33 L −31%, better
BL7.2 T·m +14%, better
Xmax6 mm –
Sensitivity87.9 dB +0.6
SEASH1456-08 ER18RNX
£109.29 · 25% less, betterFs37 Hz +28%, worse
Qts0.32 −3%
Vas32 L −33%, better
BL7.2 T·m +14%, better
Xmax6 mm –
Sensitivity88.2 dB +0.9
WavecorWF182BD17
£121.93 · 16% less, betterFs33 Hz +14%, worse
Qts0.35 +6%
Vas24.3 L −49%, better
BL6.5 T·m +3%
Xmax5.5 mm −8%
Sensitivity85.8 dB −1.5
SB AcousticsMW16PNW-8
£146.49 · Same priceFs29 Hz –
Qts0.32 −3%
Vas49.9 L +4%
BL6.3 T·m –
Xmax6 mm –
Sensitivity87.6 dB –
SB AcousticsMW16P-12
£146.49 · Same priceFs31 Hz +6%
Qts0.37 +12%, worse
Vas47.3 L –
BL7.4 T·m +17%, better
Xmax6.2 mm +3%
Sensitivity87.3 dB –
SB AcousticsMR16PNW-8
£159.05 · 9% more, worseFs31 Hz +7%
Qts0.32 −3%
Vas44.8 L −7%
BL6.5 T·m +3%
Xmax3.1 mm −48%, worse
Sensitivity88 dB +0.7
Scanspeak18W/8531G00
£168.81 · 16% more, worseFs28 Hz −3%
Qts0.36 +9%
Vas58.2 L +21%, worse
BL6.8 T·m +8%
Xmax6.5 mm +8%
Sensitivity87.2 dB –
Scanspeak18W/4531G01
£168.82 · 16% more, worseFs34 Hz +17%, worse
Qts0.35 +6%
Vas45.6 L −5%
BL5.7 T·m −10%
Xmax6.5 mm +8%
Sensitivity88.8 dB +1.5
Scanspeak18W/4531G00
£179.98 · 24% more, worseFs33 Hz +14%, worse
Qts0.35 +6%
Vas41.9 L −13%, better
BL5.7 T·m −10%
Xmax6.5 mm +8%
Sensitivity88 dB +0.7
SB AcousticsMW16TX-8
£250.36 · 72% more, worseFs29 Hz –
Qts0.33 –
Vas48 L –
BL6.3 T·m –
Xmax6 mm –
Sensitivity87.4 dB –
SB AcousticsMW19TX-8
£283.85 · 95% more, worseFs33 Hz +14%, worse
Qts0.33 –
Vas53.4 L +11%, worse
BL7.5 T·m +19%, better
Xmax6.7 mm +12%, better
Sensitivity89.4 dB +2.1, better
SB AcousticsMW16PF-4
No current priceFs28 Hz −3%
Qts0.33 –
Vas49 L –
BL4.7 T·m −25%, worse
Xmax5.5 mm −8%
Sensitivity86.9 dB –
Audio Technology6 H 52 17 06 SD
No current priceFs33 Hz +14%, worse
Qts0.35 +6%
Vas47 L –
BL6.6 T·m +5%
Xmax6.3 mm +5%
Sensitivity88.1 dB +0.8
KartesianLOM155_VKI
No current priceFs48 Hz +66%, worse
Qts0.33 –
Vas16.6 L −65%, better
BL6.3 T·m –
Xmax6 mm –
Sensitivity89.1 dB +1.8
WavecorWF182BD10
No current priceFs29 Hz –
Qts0.31 −6%
Vas32.4 L −33%, better
BL6.5 T·m +3%
Xmax5.5 mm −8%
Sensitivity85.7 dB −1.6
WavecorWF182BD18
No current priceFs29 Hz –
Qts0.31 −6%
Vas32.4 L −33%, better
BL6.5 T·m +3%
Xmax5.5 mm −8%
Sensitivity85.7 dB −1.6
SB AcousticsMW19PF-8
No current priceFs30 Hz +3%
Qts0.34 +3%
Vas63 L +31%, worse
BL7 T·m +11%, better
Xmax6.5 mm +8%
Sensitivity88.7 dB +1.4
Audio Technology5 H 52 17 06 SD
No current priceFs36 Hz +24%, worse
Qts0.28 −15%, better
Vas34 L −29%, better
BL6.6 T·m +5%
Xmax6.3 mm +5%
Sensitivity88.8 dB +1.5
WavecorWF182BD09
No current priceFs33 Hz +14%, worse
Qts0.35 +6%
Vas24.3 L −49%, better
BL6.5 T·m +3%
Xmax5.5 mm −8%
Sensitivity85.8 dB −1.5
SB AcousticsMW16PF-8
No current priceFs29 Hz –
Qts0.38 +15%, worse
Vas48.4 L –
BL5.8 T·m −8%
Xmax5.5 mm −8%
Sensitivity86.5 dB −0.8
Tune the match
Choose the published values that matter to your design. Size stays matched to this driver.
Qts
Qes
VasL
Xmaxmm
BLTm
- SoundImports4.7 out of 53 ratings · Checked 25 Oct 2026Read reviews on SoundImports
Each shop collects its own ratings. Bits shows them as published and doesn't verify them.
| Shop | Price | Against the lowest | Stock | Link |
|---|---|---|---|---|
Lean Audio | £145.30, the lowest price | 2 in stock | Visit shop at Lean Audio | |
Falcon Acoustics | £148.20 | 2.0% above the lowest price | Out of stock | Visit shop at Falcon Acoustics |
Willys-Hifi | £166.56 | 15% above the lowest price | Stock not listed | Visit shop at Willys-Hifi |
SoundImports Import VAT and duty may apply | £146.49 | 0.8% above the lowest price | 4 in stock | Visit shop at SoundImports |
RumoH Import VAT and duty may apply | £154.44 | 6.3% above the lowest price | Stock not listed | Visit shop at RumoH |
Best price over time
Tracked since 1 Apr
Recent changes
- 1 OctWillys-Hifi£170.95 → £166.56Down 2.6% from £170.95
- 30 SepWillys-Hifi£169.95 → £170.95Up 0.6% from £169.95
- 29 SepWillys-Hifi£170.95 → £169.95Down 0.6% from £170.95