GRS10SMP-4
£38.89 · 34% less, betterFs28 Hz –
Qts0.51 −4%
Vas86 L −20%, better
BL8.2 T·m −15%, worse
Xmax5 mm −39%, worse
Sensitivity86.8 dB −0.9
10-inch LF driver · SB26 series · 39 mm voice coil · 80 W
SB Acoustics SB26SFCL38-8 8Ω
8 Ω
£73.74
2.9%Willys-Hifi · All 4 offers
- Fs
- 28Hz
- Xmax
- 8.2mm
- SPL
- 88dB
- Pe
- 80W
- BL
- 9.6T·m
- Vd
- 284cm³
- Qts
- 0.53
- Vas
- 107L
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
233 plotted pointsMedium confidence1,169 selected pixels of 3,339 - Trace datasheet-response-trace-poc/v1
60 degrees
Frequency response
215 plotted pointsMedium confidence1,342 selected pixels of 3,222
Published graphs
SB Acoustics SB26SFCL38-8 is a 10-inch 8 ohm LF driver rated at 80 W RMS. The validated T/S data includes Fs 28 Hz, Qts 0.53, Vas 107 L, Xmax 8.2 mm, sensitivity 87.7 dB, plus 284 cm³ Vd and 46 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 £58.53.
The published T/S values agree with each other
Thiele/Small
- Fs
- 28Hz
- Qts
- 0.53
- Qes
- 0.60
- Qms
- 5.1
- Vas
- 107L
- Re
- 6Ω
- Le
- 1.60mH
Motor and cone
- BL
- 9.6T·m
- Sd
- 346cm²
- Mms
- 53g
- Xmax
- 8.2mm
- Vd †
- 284cm³
- Voice coil
- 39mm
- Flux density
- 1.05T
Power and response
- Sensitivity †
- 87.7dB
- Manufacturer sensitivity
- 88dB
- Power
- 80W
- Impedance
- 8Ω
- EBP †
- 46 · Leans sealed
Size and mounting
- Weight
- 2.9kg
Other published values
- Cms
- 0.63mm/N
† Calculated by bits from the published values
What this validation status means
Everything else SB Acoustics lists
LF · Primary · 10″
- BL
- 9.6T·m
- Fs
- 28Hz
- Le
- 1.60mH
- Re
- 6Ω
- Sd
- 346cm²
- Cms
- 0.63mm/N
- Mms
- 53g
- Qes
- 0.60
- Qms
- 5.1
- Qts
- 0.53
- SPL
- 87.7dB
- Vas
- 107L
- Xmax
- 8.2mm
- Power
- 80W
- Impedance
- 8Ω
- Flux density
- 1.05T
- Sensitivity
- 88dB
- Calculated sensitivity †
- 87.7dB
- Manufacturer sensitivity
- 88dB
- Voice coil
- 39mm
- Weight
- 2.9kg
02
Compare
Same-size drivers, compared with the SB26SFCL38-8. Clear differences are green when better and red when worse.
This driverSB26SFCL38-8
Best price
£58.53
Fs
28 Hz
Qts
0.53
Vas
107 L
BL
9.6 T·m
Xmax
8.2 mm
Sensitivity
87.7 dB
Power
80 W
GRS10SMP-8
£38.89 · 34% less, betterFs29 Hz +5%
Qts0.58 +9%
Vas81 L −24%, better
BL9.6 T·m –
Xmax5 mm −39%, worse
Sensitivity86.4 dB −1.3
LavoceSSF102.40
£56.92 · 3% lessFs39 Hz +42%, worse
Qts0.57 +8%
Vas39.5 L −63%, better
BL14.0 T·m +46%, better
Xmax8.3 mm –
Sensitivity87.9 dB –
SB AcousticsSB26SFCL38-4
£57.69 · 1% lessFs27 Hz –
Qts0.43 −19%, better
Vas104 L –
BL8.2 T·m −15%, worse
Xmax7.9 mm −4%
Sensitivity88.6 dB +0.9
EminenceALPHA-10A
£60.00 · 3% moreFs50 Hz +82%, worse
Qts0.59 +11%, worse
Vas82.2 L −23%, better
BL7.5 T·m −22%, worse
Xmax3.2 mm −61%, worse
Sensitivity94 dB +6.3, better
PeerlessSLS-P830668
£66.98 · 14% more, worseFs35 Hz +27%, worse
Qts0.59 +11%, worse
Vas62.9 L −41%, better
BL10.3 T·m +7%
Xmax10.9 mm +33%, better
Sensitivity88.2 dB +0.5
FaitalPRO10FE300
£67.00 · 14% more, worseFs50 Hz +82%, worse
Qts0.52 –
Vas50.5 L −53%, better
BL11.3 T·m +18%, better
Xmax5.5 mm −33%, worse
Sensitivity92.7 dB +5, better
Dayton AudioDS270-8
£71.05 · 21% more, worseFs32 Hz +15%, worse
Qts0.44 −17%, better
Vas87.7 L −18%, better
BL10.1 T·m +5%
Xmax5.5 mm −33%, worse
Sensitivity89.1 dB +1.4
EminenceBETA-10A
£82.50 · 41% more, worseFs53 Hz +93%, worse
Qts0.49 −8%
Vas60.1 L −44%, better
BL9.6 T·m –
Xmax3 mm −63%, worse
Sensitivity94.4 dB +6.7, better
REDCATT101NPM
£83.69 · 43% more, worseFs53 Hz +93%, worse
Qts0.55 +4%
Vas49.7 L −54%, better
BL9.6 T·m –
Xmax3.3 mm −60%, worse
Sensitivity92.9 dB +5.2, better
EminenceLEGEND BP102
£91.00 · 55% more, worseFs35 Hz +27%, worse
Qts0.43 −19%, better
Vas91.2 L −15%, better
BL10 T·m +4%
Xmax6.2 mm −24%, worse
Sensitivity91.2 dB +3.5, better
Dayton AudioRS270-8
£112.19 · 92% more, worseFs30 Hz +8%
Qts0.47 −11%, better
Vas96.5 L −10%
BL10.3 T·m +7%
Xmax6.6 mm −20%, worse
Sensitivity88.2 dB +0.5
PeerlessGBS-250F38CP01-04
£117.97 · 102% more, worseFs38 Hz +38%, worse
Qts0.51 −4%
Vas22.8 L −79%, better
BL12.9 T·m +34%, better
Xmax9.2 mm +12%, better
Sensitivity85.6 dB −2.1, worse
SB AudienceROSSO-10CX300
£174.95 · 199% more, worseFs58 Hz +111%, worse
Qts0.45 −15%, better
Vas40.5 L −62%, better
BL11.9 T·m +24%, better
Xmax8.2 mm –
Sensitivity94.2 dB +6.5, better
SB AcousticsWO24P-8
£185.95 · 218% more, worseFs25 Hz −11%, better
Qts0.38 −28%, better
Vas87.5 L −18%, better
BL9.9 T·m +3%
Xmax8.5 mm +4%
Sensitivity87 dB −0.7
SB AcousticsWO24TX-8
£292.97 · 401% more, worseFs25 Hz −11%, better
Qts0.34 −36%, better
Vas88 L −18%, better
BL10.4 T·m +9%
Xmax8.6 mm +4%
Sensitivity87.6 dB –
Sica10 SR 2 CP
No current priceFs33 Hz +19%, worse
Qts0.49 −8%
Vas73 L −32%, better
BL10.8 T·m +13%, better
Xmax7 mm −15%, worse
Sensitivity88.7 dB +1
HiViD10G
No current priceFs26 Hz −5%
Qts0.46 −13%, better
Vas117.3 L +10%
BL13.2 T·m +38%, better
Xmax8.3 mm –
Sensitivity88.2 dB +0.5
KartesianSUB265_VKI-S
No current priceFs22 Hz −20%, better
Qts0.46 −13%, better
Vas103.4 L −3%
BL9.1 T·m −5%
Xmax16 mm +95%, better
Sensitivity85.5 dB −2.2, worse
MonacorSP-252E
No current priceFs42 Hz +53%, worse
Qts0.50 −6%
Vas57 L −47%, better
BL8.5 T·m −11%, worse
Xmax4 mm −51%, worse
Sensitivity90.5 dB +2.8, better
Acoustic EleganceIB10AU-4
No current priceFs25 Hz −9%
Qts0.48 −9%
Vas68 L −36%, better
BL8.8 T·m −9%
Xmax18 mm +120%, better
Sensitivity84.8 dB −2.9, worse
WavecorSW270WA01_SUBWOOFER
No current priceFs28 Hz –
Qts0.49 −8%
Vas51 L −52%, better
BL9.7 T·m –
Xmax11 mm +34%, better
Sensitivity85.3 dB −2.4, worse
WavecorWF275BD02
No current priceFs28 Hz –
Qts0.45 −15%, better
Vas81.5 L −24%, better
BL11.8 T·m +23%, better
Xmax9 mm +10%
Sensitivity87.8 dB –
HiViSS10
No current priceFs28 Hz –
Qts0.36 −32%, better
Vas105.7 L –
BL10.4 T·m +9%
Xmax7.3 mm −11%, worse
Sensitivity89.7 dB +2, better
Dayton AudioSD270A-88
No current priceFs26 Hz −5%
Qts0.43 −19%, better
Vas107.5 L –
BL7.8 T·m −19%, worse
Xmax6 mm −27%, worse
Sensitivity87.9 dB –
Cube AudioF10 SELECT V2
No current priceFs28 Hz –
Qts0.58 +9%
Vas185 L +73%, worse
BL9.2 T·m −4%
Xmax2.5 mm −70%, worse
Sensitivity90.1 dB +2.4, better
JensenJN10-100TR-8
No current priceFs82 Hz +200%, worse
Qts0.58 +9%
Vas26 L −76%, better
BL10.5 T·m +10%
Xmax1 mm −88%, worse
Sensitivity95.8 dB +8.1, better
CIARECMI250
No current priceFs55 Hz +100%, worse
Qts0.50 −6%
Vas34 L −68%, better
BL9 T·m −6%
Xmax4.5 mm −45%, worse
Sensitivity92.4 dB +4.7, better
CIARECMI250ND
No current priceFs59 Hz +115%, worse
Qts0.50 −6%
Vas34 L −68%, better
BL9 T·m −6%
Xmax4.5 mm −45%, worse
Sensitivity93.3 dB +5.6, better
Audio Technology23 I 52 20 06 SD
No current priceFs33 Hz +20%, worse
Qts0.26 −51%, better
Vas70 L −35%, better
BL10.0 T·m +4%
Xmax8 mm –
Sensitivity91.3 dB +3.6, better
Tune the match
Choose the published values that matter to your design. Size stays matched to this driver.
Qts
Qes
VasL
Xmaxmm
BLTm
- SoundImports4.8 out of 54 ratings · Checked 26 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 |
|---|---|---|---|---|
Willys-Hifi | £73.74, the lowest price | Stock not listed | Visit shop at Willys-Hifi | |
Lean Audio | £62.50 | Back order | Visit shop at Lean Audio | |
SoundImports Import VAT and duty may apply | £61.08 | 13 in stock | Visit shop at SoundImports |
Best price over time
Tracked since 1 Apr
Recent changes
- 1 OctWillys-Hifi£75.95 → £73.74Down 2.9% from £75.95
- 4 AugWillys-Hifi£73.95 → £75.95Up 2.7% from £73.95
- 2 JulWillys-Hifi£72.95 → £73.95Up 1.4% from £72.95