SB AcousticsSB13PFC25-4
£23.00 · 84% less, betterFs44 Hz +7%
Qts0.29 +7%
Vas13.4 L −8%
BL5.3 T·m +8%
Xmax4.5 mm −10%, worse
Sensitivity87.4 dB –
5-inch LF driver · MW13 series · 31 mm voice coil · 40 W
SB Acoustics MW13PNW-4 4Ω
4 Ω
£139.69
SteadyLean Audio · 2 in stock · All 6 offers
- Fs
- 41Hz
- Xmax
- 5mm
- SPL
- 87dB
- Pe
- 40W
- BL
- 4.9T·m
- Vd
- 35cm³
- Qts
- 0.27
- Vas
- 15L
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 confidence1,082 selected pixels of 6,763 - Trace datasheet-response-trace-poc/v1
60 degrees
Frequency response
240 plotted pointsMedium confidence971 selected pixels of 1,918
Published graphs
SB Acoustics MW13PNW-4 is a 5-inch 4 ohm LF driver rated at 40 W RMS. The validated T/S data includes Fs 41 Hz, Qts 0.27, Vas 14.6 L, Xmax 5 mm, sensitivity 87.4 dB, plus 35 cm³ Vd and 141 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 £139.69.
The published T/S values agree with each other
Thiele/Small
- Fs
- 41Hz
- Qts
- 0.27
- Qes
- 0.29
- Qms
- 3.7
- Vas
- 14.6L
- Re
- 3.8Ω
- Le
- 0.13mH
Motor and cone
- BL
- 4.9T·m
- Sd
- 70cm²
- Mms
- 7g
- Xmax
- 5mm
- Vd †
- 35cm³
- Voice coil
- 31mm
- Flux density
- 1.08T
Power and response
- Sensitivity †
- 87.4dB
- Manufacturer sensitivity
- 89dB
- Power
- 40W
- Impedance
- 4Ω
- EBP †
- 141 · Leans vented
Size and mounting
- Weight
- 0.8kg
Other published values
- Cms
- 2.09mm/N
Sensitivity shows 87.4 dB, calculated from the T/S values. SB Acoustics publishes 89.0 dB, 1.6 dB apart.
† Calculated by bits from the published values
What this validation status means
Everything else SB Acoustics lists
LF · Primary · 5″
- BL
- 4.9T·m
- Fs
- 41Hz
- Le
- 0.13mH
- Re
- 3.8Ω
- Sd
- 70cm²
- Cms
- 2.09mm/N
- Mms
- 7g
- Qes
- 0.29
- Qms
- 3.7
- Qts
- 0.27
- SPL
- 87.4dB
- Vas
- 14.6L
- Xmax
- 5mm
- Power
- 40W
- Impedance
- 4Ω
- Flux density
- 1.08T
- Sensitivity
- 89dB
- Calculated sensitivity †
- 87.4dB
- Manufacturer sensitivity
- 89dB
- Voice coil
- 31mm
- Weight
- 0.8kg
02
Compare
Same-size drivers, compared with the MW13PNW-4. Clear differences are green when better and red when worse.
This driverMW13PNW-4
Best price
£139.69
Fs
41 Hz
Qts
0.27
Vas
14.6 L
BL
4.9 T·m
Xmax
5 mm
Sensitivity
87.4 dB
Power
40 W
SB AcousticsSB13PFCR25-4
£23.00 · 84% less, betterFs44 Hz +7%
Qts0.29 +7%
Vas13.4 L −8%
BL5.3 T·m +8%
Xmax4.5 mm −10%, worse
Sensitivity87.4 dB –
SB AcousticsSB13PFCR25-4-COAX
£44.32 · 68% less, betterFs43 Hz +5%
Qts0.27 –
Vas14.4 L –
BL5.1 T·m +4%
Xmax4.7 mm −7%
Sensitivity87.8 dB –
SB AcousticsSB13PFC25-4-COAX
£46.03 · 67% less, betterFs43 Hz +5%
Qts0.27 –
Vas14.4 L –
BL5.1 T·m +4%
Xmax4.7 mm −7%
Sensitivity87.8 dB –
SB AcousticsSB15MFC30-4
£48.66 · 65% less, betterFs36 Hz −13%, better
Qts0.28 +4%
Vas19.4 L +33%, worse
BL4.8 T·m –
Xmax5 mm –
Sensitivity86.6 dB −0.8
SB AcousticsSB15NRX2C30-4
£49.12 · 65% less, betterFs35 Hz −16%, better
Qts0.28 +4%
Vas20.5 L +40%, worse
BL4.7 T·m −4%
Xmax5 mm –
Sensitivity86.5 dB −0.9
Scanspeak15W/4424G00
£53.57 · 62% less, betterFs46 Hz +12%, worse
Qts0.24 −11%, better
Vas13.8 L −5%
BL5.2 T·m +6%
Xmax2.8 mm −44%, worse
Sensitivity89.2 dB +1.8
SB AcousticsSB15NRXC30-4
£54.16 · 61% less, betterFs41 Hz –
Qts0.29 +7%
Vas16.7 L +14%, worse
BL4.7 T·m −4%
Xmax5 mm –
Sensitivity87.7 dB –
SB AcousticsSB17MFC35-4
£54.89 · 61% less, betterFs30 Hz −27%, better
Qts0.28 +4%
Vas45 L +208%, worse
BL4.9 T·m –
Xmax5.5 mm +10%, better
Sensitivity88.1 dB +0.7
Scanspeak12W/4524G00
£55.29 · 60% less, betterFs50 Hz +22%, worse
Qts0.27 –
Vas8.2 L −44%, better
BL4.4 T·m −10%, worse
Xmax3 mm −40%, worse
Sensitivity87.4 dB –
CIAREHWB130
£61.15 · 56% less, betterFs46 Hz +12%, worse
Qts0.28 +4%
Vas12.5 L −14%, better
BL5.6 T·m +14%, better
Xmax4.5 mm −10%, worse
Sensitivity88.3 dB +0.9
SB AcousticsSB17NBAC35-4
£65.93 · 53% less, betterFs30 Hz −27%, better
Qts0.29 +7%
Vas42.6 L +192%, worse
BL4.9 T·m –
Xmax5.5 mm +10%, better
Sensitivity87.7 dB –
SB AcousticsSB15NAC30-4
£69.49 · 50% less, betterFs35 Hz −15%, better
Qts0.30 +11%, worse
Vas18.3 L +25%, worse
BL4.8 T·m –
Xmax5 mm –
Sensitivity85.9 dB −1.5
SB AcousticsSB15NBAC30-4
£69.49 · 50% less, betterFs33 Hz −20%, better
Qts0.29 +7%
Vas21 L +44%, worse
BL4.7 T·m −4%
Xmax5 mm –
Sensitivity85.9 dB −1.5
SB AcousticsSB15CAC30-4
£76.56 · 45% less, betterFs33 Hz −21%, better
Qts0.31 +15%, worse
Vas20.2 L +38%, worse
BL4.6 T·m −6%
Xmax5 mm –
Sensitivity85.1 dB −2.3, worse
SB AcousticsSB17CAC35-4
£82.13 · 41% less, betterFs30 Hz −28%, better
Qts0.29 +7%
Vas37.8 L +159%, worse
BL5.3 T·m +8%
Xmax5.5 mm +10%, better
Sensitivity87 dB –
FaitalPRO6RS140
£84.31 · 40% less, betterFs65 Hz +59%, worse
Qts0.27 –
Vas9.3 L −36%, better
BL11 T·m +124%, better
Xmax5.6 mm +12%, better
Sensitivity91.6 dB +4.2, better
SB AcousticsMW13P-4
£139.69 · Same priceFs41 Hz –
Qts0.27 –
Vas14.6 L –
BL4.9 T·m –
Xmax5 mm –
Sensitivity87.4 dB –
SB AcousticsMW13P-8
£139.69 · Same priceFs42 Hz –
Qts0.30 +11%, worse
Vas15 L –
BL5.7 T·m +16%, better
Xmax5 mm –
Sensitivity87.1 dB –
SB AcousticsMW13PNW-8
£139.69 · Same priceFs41 Hz –
Qts0.31 +15%, worse
Vas15 L –
BL5.7 T·m +16%, better
Xmax5 mm –
Sensitivity87 dB –
SB AcousticsMW16P-4
£146.56 · 5% moreFs28 Hz −32%, better
Qts0.27 –
Vas50.2 L +244%, worse
BL5.2 T·m +6%
Xmax6 mm +20%, better
Sensitivity88 dB +0.6
SB AcousticsMW16PNW-4
£148.32 · 6% more, worseFs28 Hz −32%, better
Qts0.27 –
Vas51.8 L +255%, worse
BL5 T·m –
Xmax6 mm +20%, better
Sensitivity88 dB +0.6
Scanspeak15M/4531K00
£150.70 · 8% more, worseFs42 Hz –
Qts0.27 –
Vas16 L +10%
BL6 T·m +22%, better
Xmax3 mm −40%, worse
Sensitivity88.3 dB +0.9
SB AcousticsMW13TX-4
£225.35 · 61% more, worseFs38 Hz −7%
Qts0.26 −4%
Vas16 L +10%
BL5 T·m –
Xmax5 mm –
Sensitivity87.2 dB –
SB AcousticsMW13TX-8
£225.35 · 61% more, worseFs40 Hz –
Qts0.32 +19%, worse
Vas14.8 L –
BL5.7 T·m +16%, better
Xmax5 mm –
Sensitivity86.5 dB −0.9
SB AcousticsMW16TX-4
£250.48 · 79% more, worseFs29 Hz −29%, better
Qts0.27 –
Vas48 L +229%, worse
BL5.2 T·m +6%
Xmax6 mm +20%, better
Sensitivity88.1 dB +0.7
SB AcousticsMR13TX-4
£251.28 · 80% more, worseFs44 Hz +7%
Qts0.27 –
Vas12.2 L −16%, better
BL4.9 T·m –
Xmax3 mm −40%, worse
Sensitivity87.7 dB –
WavecorWF152BD06
No current priceFs45 Hz +9%
Qts0.29 +7%
Vas11.5 L −21%, better
BL6.3 T·m +30%, better
Xmax4.5 mm −10%, worse
Sensitivity87.3 dB –
WavecorWF152BD14
No current priceFs45 Hz +9%
Qts0.29 +7%
Vas11.5 L −21%, better
BL6.3 T·m +30%, better
Xmax4.5 mm −10%, worse
Sensitivity87.3 dB –
Audio Technology15 J 52 15 06 SD
No current priceFs45 Hz +10%
Qts0.32 +19%, worse
Vas15 L –
BL5.5 T·m +12%, better
Xmax5.2 mm +4%
Sensitivity87.7 dB –
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 |
|---|---|---|---|---|
Lean Audio | £139.69, the lowest price | 2 in stock | Visit shop at Lean Audio | |
Willys-Hifi | £158.33 | 13% above the lowest price | Stock not listed | Visit shop at Willys-Hifi |
SoundImports Import VAT and duty may apply | £139.86 | 0.1% above the lowest price | 4 in stock | Visit shop at SoundImports |
RumoH Import VAT and duty may apply | £145.53 | 4.2% above the lowest price | Stock not listed | Visit shop at RumoH |
Lautsprechershop Import VAT and duty may apply | £147.80 | 5.8% above the lowest price | Special order | Visit shop at Lautsprechershop |
Best price over time
Tracked since 1 Apr
Recent changes
- 1 OctWillys-Hifi£162.95 → £158.33Down 2.8% from £162.95
- 30 SepWillys-Hifi£161.95 → £162.95Up 0.6% from £161.95
- 16 SepWillys-Hifi£162.95 → £161.95Down 0.6% from £162.95