GRS10PT-8
£32.16 · 61% less, betterFs47 Hz −11%, better
Qts0.48 –
Vas46.2 L −23%, better
BL13.4 T·m +40%, better
Xmax7.8 mm +160%, better
Sensitivity91.8 dB −2.6, worse
10-inch LF driver · BETA series · 250 W
Eminence BETA-10A 8Ω
8 Ω · 51–3800 Hz
- Fs
- 53Hz
- Xmax
- 3mm
- SPL
- 94dB
- Pe
- 250W
- BL
- 9.6T·m
- Vd
- 103cm³
- Qts
- 0.49
- Vas
- 60L
Eminence BETA-10A is a 10-inch 8 ohm LF driver rated at 250 W RMS. The validated T/S data includes Fs 53 Hz, Qts 0.49, Vas 60.1 L, Xmax 3 mm, sensitivity 94.4 dB, plus 103 cm³ Vd and 102 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 £82.50.
The published T/S values agree with each other
Thiele/Small
- Fs
- 53Hz
- Qts
- 0.49
- Qes
- 0.52
- Qms
- 8.1
- Vas
- 60.1L
- Re
- 5.8Ω
- Le
- 0.67mH
Motor and cone
- BL
- 9.6T·m
- Sd
- 345cm²
- Mms
- 25g
- Xmax
- 3mm
- Vd †
- 103cm³
Power and response
- Sensitivity †
- 94.4dB
- Manufacturer sensitivity
- 97dB
- Power
- 250W
- Impedance
- 8Ω
- Range
- 51–3800Hz
- EBP †
- 102 · Leans vented
Size and mounting
- Diameter
- 256.8mm
- Cutout
- 231.9mm
- Bolt circle
- 243.8mm
- Depth
- 101.1mm
- Weight
- 3.1kg
Other published values
- Cms
- 0.36mm/N
- Xmech
- 8.6
- Power Program
- 500
Sensitivity shows 94.4 dB, calculated from the T/S values. Eminence publishes 97.0 dB, 2.6 dB apart.
† Calculated by bits from the published values
What this validation status means
Everything else Eminence lists
LF · Primary · 10″
- BL
- 9.6T·m
- Fs
- 53Hz
- Le
- 0.67mH
- Re
- 5.8Ω
- Sd
- 345cm²
- Cms
- 0.36mm/N
- Mms
- 25g
- Qes
- 0.52
- Qms
- 8.1
- Qts
- 0.49
- SPL
- 94.4dB
- Vas
- 60.1L
- Xmax
- 3mm
- Xmech
- 8.6
- Power
- 250W
- Impedance
- 8Ω
- Sensitivity
- 97dB
- Low limit
- 51Hz
- Power Program
- 500
- Calculated sensitivity †
- 94.4dB
- High limit
- 3800Hz
- Manufacturer sensitivity
- 97dB
- Weight
- 3.1kg
- Diameter
- 256.8mm
- Depth
- 101.1mm
- Cutout
- 231.9mm
- Bolt circle
- 243.8mm
02
Compare
Same-size drivers, compared with the BETA-10A. Clear differences are green when better and red when worse.
This driverBETA-10A
Best price
£82.50
Fs
53 Hz
Qts
0.49
Vas
60.1 L
BL
9.6 T·m
Xmax
3 mm
Sensitivity
94.4 dB
Power
250 W
LavoceWSF101.70G
£47.14 · 43% less, betterFs78 Hz +47%, worse
Qts0.50 –
Vas36 L −40%, better
BL11.9 T·m +24%, better
Xmax2.7 mm −10%
Sensitivity97.1 dB +2.7, better
PRV Audio10MR650A
£63.52 · 23% less, betterFs65 Hz +22%, worse
Qts0.47 −4%
Vas41.9 L −30%, better
BL12.3 T·m +28%, better
Xmax5.7 mm +91%, better
Sensitivity95.8 dB +1.4
FaitalPRO10FE400
£66.15 · 20% less, betterFs60 Hz +13%, worse
Qts0.47 −4%
Vas35.3 L −41%, better
BL11.5 T·m +20%, better
Xmax5.4 mm +81%, better
Sensitivity93.7 dB −0.7
FaitalPRO10FE300
£67.00 · 19% less, betterFs50 Hz −6%
Qts0.52 +6%
Vas50.5 L −16%, better
BL11.3 T·m +18%, better
Xmax5.5 mm +84%, better
Sensitivity92.7 dB −1.7
Dayton AudioDS270-8
£71.05 · 14% less, betterFs32 Hz −40%, better
Qts0.44 −10%, better
Vas87.7 L +46%, worse
BL10.1 T·m +5%
Xmax5.5 mm +83%, better
Sensitivity89.1 dB −5.3, worse
REDCATT101NPM
£83.69 · 1% moreFs53 Hz –
Qts0.55 +12%, worse
Vas49.7 L −17%, better
BL9.6 T·m –
Xmax3.3 mm +8%
Sensitivity92.9 dB −1.5
GRS10SW-4HE
£83.69 · 1% moreFs25 Hz −53%, better
Qts0.50 –
Vas60.6 L –
BL10.8 T·m +13%, better
Xmax11 mm +267%, better
Sensitivity87.5 dB −6.9, worse
EminenceBETA-10B
£88.07 · 7% more, worseFs52 Hz –
Qts0.51 +4%
Vas61.4 L –
BL15.1 T·m +58%, better
Xmax3 mm –
Sensitivity93.7 dB −0.7
EminenceRAGIN CAJUN
£91.87 · 11% more, worseFs84 Hz +58%, worse
Qts0.51 +4%
Vas34.1 L −43%, better
BL11.8 T·m +23%, better
Xmax0.5 mm −84%, worse
Sensitivity97.8 dB +3.4, better
Dayton AudioRSS265HF-8
£213.77 · 159% more, worseFs25 Hz −53%, better
Qts0.49 –
Vas52.5 L −13%, better
BL15 T·m +56%, better
Xmax14.3 mm +377%, better
Sensitivity83.4 dB −11, worse
SB AcousticsSW26DAC76-4
£217.70 · 164% more, worseFs22 Hz −58%, better
Qts0.46 −6%
Vas54 L −10%, better
BL10.8 T·m +13%, better
Xmax12 mm +300%, better
Sensitivity82.5 dB −11.9, worse
SB AcousticsSW26DBAC76-4
£251.15 · 204% more, worseFs22 Hz −58%, better
Qts0.46 −6%
Vas54 L −10%, better
BL10.8 T·m +13%, better
Xmax12 mm +300%, better
Sensitivity82.5 dB −11.9, worse
Dayton AudioRSS265HO-44
£293.02 · 255% more, worseFs28 Hz −48%, better
Qts0.45 −8%
Vas34.8 L −42%, better
BL9.4 T·m –
Xmax13.3 mm +342%, better
Sensitivity83.7 dB −10.7, worse
WavecorSW270WA01_SUBWOOFER
No current priceFs28 Hz −47%, better
Qts0.49 –
Vas51 L −15%, better
BL9.7 T·m –
Xmax11 mm +267%, better
Sensitivity85.3 dB −9.1, worse
Acoustic EleganceIB10AU-4
No current priceFs25 Hz −53%, better
Qts0.48 –
Vas68 L +13%, worse
BL8.8 T·m −9%
Xmax18 mm +500%, better
Sensitivity84.8 dB −9.6, worse
EminenceFS10.20A8
No current priceFs56 Hz +6%
Qts0.48 –
Vas45 L −25%, better
BL10.4 T·m +8%
Xmax5.5 mm +83%, better
Sensitivity93.7 dB −0.7
MonacorSP-252E
No current priceFs42 Hz −21%, better
Qts0.50 –
Vas57 L −5%
BL8.5 T·m −11%, worse
Xmax4 mm +33%, better
Sensitivity90.5 dB −3.9, worse
Sica10 SR 2 CP
No current priceFs33 Hz −38%, better
Qts0.49 –
Vas73 L +21%, worse
BL10.8 T·m +13%, better
Xmax7 mm +133%, better
Sensitivity88.7 dB −5.7, worse
CIARECMI250
No current priceFs55 Hz +4%
Qts0.50 –
Vas34 L −43%, better
BL9 T·m −6%
Xmax4.5 mm +50%, better
Sensitivity92.4 dB −2, worse
CIARECMI250ND
No current priceFs59 Hz +11%, worse
Qts0.50 –
Vas34 L −43%, better
BL9 T·m −6%
Xmax4.5 mm +50%, better
Sensitivity93.3 dB −1.1
Cube AudioF10 NEO V2
No current priceFs40 Hz −25%, better
Qts0.37 −24%, better
Vas53 L −12%, better
BL9 T·m −6%
Xmax3 mm –
Sensitivity91.7 dB −2.7, worse
Dayton AudioRSS265HF-4
No current priceFs26 Hz −52%, better
Qts0.45 −8%
Vas54 L −10%, better
BL11.4 T·m +19%, better
Xmax12.3 mm +310%, better
Sensitivity84.4 dB −10, worse
CIARECME250
No current priceFs48 Hz −9%
Qts0.48 –
Vas74 L +23%, worse
BL7.5 T·m −22%, worse
Xmax4.5 mm +50%, better
Sensitivity93.9 dB −0.5
Acoustic EleganceIB10AU-8
No current priceFs25 Hz −53%, better
Qts0.48 –
Vas68 L +13%, worse
BL12.4 T·m +29%, better
Xmax18 mm +500%, better
Sensitivity84.8 dB −9.6, worse
EminenceDELTALITE 2510
No current priceFs53 Hz –
Qts0.42 −14%, better
Vas52.5 L −13%, better
BL10.6 T·m +10%, better
Xmax4.2 mm +40%, better
Sensitivity94.4 dB –
Acoustic EleganceSBP10-4
No current priceFs28 Hz −47%, better
Qts0.41 −17%, better
Vas68.2 L +13%, worse
BL10.4 T·m +8%
Xmax14 mm +367%, better
Sensitivity87.2 dB −7.2, worse
KartesianSUB265_VKI-S
No current priceFs22 Hz −58%, better
Qts0.46 −6%
Vas103.4 L +72%, worse
BL9.1 T·m −5%
Xmax16 mm +433%, better
Sensitivity85.5 dB −8.9, worse
WavecorSW280WA02
No current priceFs27 Hz −49%, better
Qts0.48 –
Vas41.4 L −31%, better
BL16.6 T·m +73%, better
Xmax6 mm +100%, better
Sensitivity83.9 dB −10.5, worse
Oberton10M150
No current priceFs74 Hz +40%, worse
Qts0.43 −12%, better
Vas25.9 L −57%, better
BL11.6 T·m +21%, better
Xmax3.3 mm +8%
Sensitivity95.7 dB +1.3
Tune the match
Choose the published values that matter to your design. Size stays matched to this driver.
Qts
Qes
VasL
Xmaxmm
BLTm
- Thomann4.4 out of 525 ratings · Checked 26 Oct 2026Read reviews on Thomann
- Parts Express4.6 out of 59 ratings · Checked 26 Oct 2026Read reviews on Parts Express
Each shop collects its own ratings. Bits shows them as published and doesn't verify them.
| Shop | Price | Against the lowest | Stock | Link |
|---|---|---|---|---|
Lean Business | £82.50, the lowest price | Stock not listed | Visit shop at Lean Business | |
Lean Audio | £83.00 | 0.6% above the lowest price | Back order | Visit shop at Lean Audio |
Blue Aran | £93.68 | 14% above the lowest price | 6 in stock | Visit shop at Blue Aran |
Thomann | £105.00 | 27% above the lowest price | In stock | Visit shop at Thomann |
Parts Express Import VAT and duty may apply | £83.77 | 1.5% above the lowest price | 9 in stock | Visit shop at Parts Express |
Best price over time
Tracked since 1 Apr
Recent changes
- 14 OctThomann£106.00 → £105.00Down 0.9% from £106.00
- 6 OctThomann£107.00 → £106.00Down 0.9% from £107.00
- 4 SepThomann£105.00 → £107.00Up 1.9% from £105.00