SB AcousticsSW26SFC38-4
£80.81 · 68% less, betterFs27 Hz +29%, worse
Qts0.29 −6%
Vas88 L −7%
BL11.2 T·m +7%
Xmax3.5 mm −72%, worse
Sensitivity89.6 dB +3.3, better
10-inch LF driver · Discovery series · 51 mm voice coil · 150 W
Scanspeak 26W/4558T00 4Ω
4 Ω
£284.34
5.1%Falcon Acoustics · In stock · All 5 offers
- Fs
- 21Hz
- Xmax
- 12.5mm
- SPL
- 86dB
- Pe
- 150W
- BL
- 10.5T·m
- Vd
- 440cm³
- Qts
- 0.31
- Vas
- 95L
Scanspeak 26W/4558T00 is a 10-inch 4 ohm LF driver rated at 150 W RMS. The validated T/S data includes Fs 21 Hz, Qts 0.31, Vas 94.9 L, Xmax 12.5 mm, sensitivity 86.3 dB, plus 440 cm³ Vd and 64 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 £250.36.
The published T/S values agree with each other
Thiele/Small
- Fs
- 21Hz
- Qts
- 0.31
- Qes
- 0.33
- Qms
- 5.6
- Vas
- 94.9L
- Re
- 2.6Ω
- Le
- 0.83mH
Motor and cone
- BL
- 10.5T·m
- Sd
- 352cm²
- Mms
- 105g
- Xmax
- 12.5mm
- Vd †
- 440cm³
- Voice coil
- 51mm
Power and response
- Sensitivity †
- 86.3dB
- Manufacturer sensitivity
- 88dB
- Power
- 150W
- Impedance
- 4Ω
- Min. impedance
- 3.3Ω
- EBP †
- 64 · Sealed or vented
Size and mounting
- Diameter
- 260mm
Other published values
- Cms
- 0.55mm/N
- Rms
- 2.49kg/s
- Xmech
- 28
- Power Peak
- 350
Sensitivity shows 86.3 dB, calculated from the T/S values. Scanspeak publishes 88.0 dB, 1.7 dB apart.
† Calculated by bits from the published values
What this validation status means
Everything else Scanspeak lists
LF · Primary · 10″
- BL
- 10.5T·m
- Fs
- 21Hz
- Le
- 0.83mH
- Re
- 2.6Ω
- Sd
- 352cm²
- Cms
- 0.55mm/N
- Mms
- 105g
- Qes
- 0.33
- Qms
- 5.6
- Qts
- 0.31
- Rms
- 2.49kg/s
- SPL
- 86.3dB
- Vas
- 94.9L
- Xmax
- 12.5mm
- Xmech
- 28
- Power
- 150W
- Impedance
- 4Ω
- Power Peak
- 350
- Sensitivity
- 88dB
- Calculated sensitivity †
- 86.3dB
- Manufacturer sensitivity
- 88dB
- Min. impedance
- 3.3Ω
- Voice coil
- 51mm
- Diameter
- 260mm
02
Compare
Same-size drivers, compared with the 26W/4558T00. Clear differences are green when better and red when worse.
This driver26W/4558T00
Best price
£250.36
Fs
21 Hz
Qts
0.31
Vas
94.9 L
BL
10.5 T·m
Xmax
12.5 mm
Sensitivity
86.3 dB
Power
150 W
HiViF10
£83.69 · 67% less, betterFs28 Hz +33%, worse
Qts0.31 –
Vas78.6 L −17%, better
BL16.2 T·m +54%, better
Xmax6 mm −52%, worse
Sensitivity89.2 dB +2.9, better
CIAREHW251N
£108.85 · 57% less, betterFs30 Hz +43%, worse
Qts0.35 +13%, worse
Vas88 L −7%
BL13.0 T·m +24%, better
Xmax5.7 mm −54%, worse
Sensitivity90 dB +3.7, better
FaitalPRO10RS350
£119.58 · 52% less, betterFs40 Hz +90%, worse
Qts0.31 –
Vas40.6 L −57%, better
BL12.5 T·m +19%, better
Xmax7.2 mm −43%, worse
Sensitivity91 dB +4.7, better
FaitalPRO10PR310
£120.79 · 52% less, betterFs55 Hz +162%, worse
Qts0.31 –
Vas40.3 L −58%, better
BL11.5 T·m +10%
Xmax4.9 mm −61%, worse
Sensitivity95.2 dB +8.9, better
SB AcousticsSB29NRX75-6
£134.39 · 46% less, betterFs21 Hz –
Qts0.35 +13%, worse
Vas102 L +7%
BL10.7 T·m –
Xmax11 mm −12%, worse
Sensitivity86 dB –
Sica10 C 2 CP
£138.11 · 45% less, betterFs50 Hz +138%, worse
Qts0.31 –
Vas63.2 L −33%, better
BL12.7 T·m +21%, better
Xmax4 mm −68%, worse
Sensitivity95.8 dB +9.5, better
SB AcousticsSB29SWNRX-S75-6
£141.54 · 43% less, betterFs20 Hz −5%
Qts0.29 −6%
Vas66 L −30%, better
BL15.4 T·m +47%, better
Xmax11 mm −12%, worse
Sensitivity84.3 dB −2, worse
SB AcousticsSB29NRX75-8
£142.26 · 43% less, betterFs26 Hz +24%, worse
Qts0.37 +19%, worse
Vas85.6 L −10%
BL12.4 T·m +18%, better
Xmax11 mm −12%, worse
Sensitivity87.9 dB +1.6
FaitalPRO10RS430
£150.42 · 40% less, betterFs32 Hz +52%, worse
Qts0.28 −10%
Vas59.2 L −38%, better
BL18 T·m +71%, better
Xmax13.6 mm +9%
Sensitivity90.3 dB +4, better
ETON11-612/C8/50 RP
£150.67 · 40% less, betterFs24 Hz +14%, worse
Qts0.29 −6%
Vas152 L +60%, worse
BL11.4 T·m +9%
Xmax5 mm −60%, worse
Sensitivity90.5 dB +4.2, better
Sica10 SR 2.5 CP
£159.05 · 36% less, betterFs35 Hz +64%, worse
Qts0.32 +3%
Vas66.7 L −30%, better
BL13.7 T·m +30%, better
Xmax6 mm −52%, worse
Sensitivity91.1 dB +4.8, better
SB AcousticsWO24P-8
£185.95 · 26% less, betterFs25 Hz +17%, worse
Qts0.38 +23%, worse
Vas87.5 L −8%
BL9.9 T·m −6%
Xmax8.5 mm −32%, worse
Sensitivity87 dB +0.7
VisatonTIW 250 XS
£234.15 · 6% less, betterFs33 Hz +57%, worse
Qts0.33 +6%
Vas66 L −30%, better
BL13 T·m +24%, better
Xmax8.5 mm −32%, worse
Sensitivity90.3 dB +4, better
SB AcousticsSW26DAC76-8
£251.15 · Same priceFs20 Hz −7%
Qts0.28 −10%
Vas54 L −43%, better
BL21.4 T·m +104%, better
Xmax12 mm −4%
Sensitivity83.4 dB −2.9, worse
SB AcousticsSW26DBAC76-8
£251.15 · Same priceFs20 Hz −7%
Qts0.28 −10%
Vas54 L −43%, better
BL21.4 T·m +104%, better
Xmax12 mm −4%
Sensitivity83.4 dB −2.9, worse
SB AcousticsWO24TX-8
£292.97 · 17% more, worseFs25 Hz +17%, worse
Qts0.34 +10%
Vas88 L −7%
BL10.4 T·m –
Xmax8.6 mm −32%, worse
Sensitivity87.6 dB +1.3
Scanspeak26W/8867T00
£326.51 · 30% more, worseFs19 Hz −10%
Qts0.29 −6%
Vas176 L +85%, worse
BL11.2 T·m +7%
Xmax9 mm −28%, worse
Sensitivity87.9 dB +1.6
Scanspeak26W/8861T00
£334.88 · 34% more, worseFs19 Hz −10%
Qts0.31 –
Vas231 L +143%, worse
BL9.9 T·m −6%
Xmax9 mm −28%, worse
Sensitivity88.8 dB +2.5, better
KartesianWOM265_VKI-6
No current priceFs30 Hz +43%, worse
Qts0.34 +10%
Vas114.6 L +21%, worse
BL10.4 T·m –
Xmax10 mm −20%, worse
Sensitivity91.3 dB +5, better
PurifiPTT10.0X04-NAB-01
No current priceFs24 Hz +14%, worse
Qts0.33 +6%
Vas82 L −14%, better
BL12.8 T·m +22%, better
Xmax14.8 mm +18%, better
Sensitivity87.1 dB +0.8
Dayton AudioRS270P-4A
No current priceFs23 Hz +9%
Qts0.27 −13%, better
Vas110.5 L +16%, worse
BL10.9 T·m +4%
Xmax6 mm −52%, worse
Sensitivity87.9 dB +1.6
MonacorSP-250P
No current priceFs33 Hz +57%, worse
Qts0.33 +6%
Vas115 L +21%, worse
BL10.8 T·m –
Xmax3.5 mm −72%, worse
Sensitivity92.4 dB +6.1, better
VoltRV2550
No current priceFs28 Hz +33%, worse
Qts0.33 +6%
Vas71.8 L −24%, better
BL13.9 T·m +32%, better
Xmax12 mm −4%
Sensitivity88.2 dB +1.9
HiViSS10
No current priceFs28 Hz +31%, worse
Qts0.36 +16%, worse
Vas105.7 L +11%, worse
BL10.4 T·m –
Xmax7.3 mm −42%, worse
Sensitivity89.7 dB +3.4, better
Audio Technology23 I 52 20 06 SD
No current priceFs33 Hz +57%, worse
Qts0.26 −16%, better
Vas70 L −26%, better
BL10.0 T·m −5%
Xmax8 mm −36%, worse
Sensitivity91.3 dB +5, better
PRV AudioMT10W1200-NDY-4
No current priceFs47 Hz +123%, worse
Qts0.30 −3%
Vas41.2 L −57%, better
BL12.3 T·m +17%, better
Xmax6.5 mm −48%, worse
Sensitivity93.4 dB +7.1, better
WavecorWF275BD01
No current priceFs27 Hz +29%, worse
Qts0.37 +19%, worse
Vas81.5 L −14%, better
BL8.9 T·m −15%, worse
Xmax9 mm −28%, worse
Sensitivity88.3 dB +2, better
Dayton AudioRS270P-8A
No current priceFs23 Hz +9%
Qts0.32 +3%
Vas110.5 L +16%, worse
BL13 T·m +24%, better
Xmax6 mm −52%, worse
Sensitivity87 dB +0.7
PRV Audio10MB500-4
No current priceFs56 Hz +165%, worse
Qts0.29 −6%
Vas47.6 L −50%, better
BL12.3 T·m +17%, better
Xmax4.5 mm −64%, worse
Sensitivity96.4 dB +10.1, better
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 24 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 |
|---|---|---|---|---|
Falcon Acoustics | £284.34, the lowest price | In stock | Visit shop at Falcon Acoustics | |
Willys-Hifi | £299.48 | 5.3% above the lowest price | Stock not listed | Visit shop at Willys-Hifi |
Lautsprechershop Import VAT and duty may apply | £250.36 | Stock not listed | Visit shop at Lautsprechershop | |
SoundImports Import VAT and duty may apply | £267.90 | 1 in stock | Visit shop at SoundImports |
Best price over time
Tracked since 1 Apr
Recent changes
- 1 OctWillys-Hifi£306.95 → £299.48Down 2.4% from £306.95
- 30 SepWillys-Hifi£305.95 → £306.95Up 0.3% from £305.95
- 29 SepWillys-Hifi£306.95 → £305.95Down 0.3% from £306.95