PeerlessFSL-0818R01-08
£33.66 · 86% less, betterFs74 Hz +111%, worse
Qts0.37 +6%
Vas15.9 L −50%, better
BL11.3 T·m −3%
Xmax4.3 mm +9%
Sensitivity93.9 dB +6.3, better
8-inch LF driver · BM series · 38 mm voice coil · 150 W
Volt BM228.8 8Ω
8 Ω · 30–3000 Hz
£249.12
SteadyWilmslow Audio · All 2 offers
- Fs
- 35Hz
- Xmax
- 4mm
- SPL
- 88dB
- Pe
- 150W
- BL
- 11.7T·m
- Vd
- 86cm³
- Qts
- 0.35
- Vas
- 32L
Volt BM228.8 is an 8-inch 8 ohm LF driver rated at 150 W RMS. The validated T/S data includes Fs 35 Hz, Qts 0.35, Vas 32 L, Xmax 4 mm, sensitivity 87.6 dB, plus 86 cm³ Vd and 92 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 £249.12.
The published T/S values agree with each other
Thiele/Small
- Fs
- 35Hz
- Qts
- 0.35
- Qes
- 0.38
- Qms
- 5.8
- Vas
- 32L
- Re
- 5.8Ω
- Le
- 1.26mH
Motor and cone
- BL
- 11.7T·m
- Sd
- 214cm²
- Mms
- 40g
- Xmax
- 4mm
- Vd †
- 86cm³
- Voice coil
- 38mm
Power and response
- Sensitivity †
- 87.6dB
- Manufacturer sensitivity
- 89dB
- Power
- 150W
- Impedance
- 8Ω
- Range
- 30–3000Hz
- EBP †
- 92 · Sealed or vented
Size and mounting
- Diameter
- 235mm
- Weight
- 4.1kg
Other published values
- Cms
- 0.50mm/N
- Xmech
- 25
Sensitivity shows 87.6 dB, calculated from the T/S values. Volt publishes 89.0 dB, 1.4 dB apart.
† Calculated by bits from the published values
What this validation status means
Everything else Volt lists
LF · Primary · 8″
- BL
- 11.7T·m
- Fs
- 35Hz
- Le
- 1.26mH
- Re
- 5.8Ω
- Sd
- 214cm²
- Cms
- 0.50mm/N
- Mms
- 40g
- Qes
- 0.38
- Qms
- 5.8
- Qts
- 0.35
- SPL
- 87.6dB
- Vas
- 32L
- Xmax
- 4mm
- Xmech
- 25
- Power
- 150W
- Impedance
- 8Ω
- Sensitivity
- 89dB
- Low limit
- 30Hz
- Calculated sensitivity †
- 87.6dB
- High limit
- 3000Hz
- Manufacturer sensitivity
- 89dB
- Voice coil
- 38mm
- Weight
- 4.1kg
- Diameter
- 235mm
02
Compare
Same-size drivers, compared with the BM228.8. Clear differences are green when better and red when worse.
This driverBM228.8
Best price
£249.12
Fs
35 Hz
Qts
0.35
Vas
32 L
BL
11.7 T·m
Xmax
4 mm
Sensitivity
87.6 dB
Power
150 W
Dayton AudioDSA215-8
£56.09 · 77% less, betterFs35 Hz –
Qts0.33 −6%
Vas37.4 L +17%, worse
BL10.6 T·m −9%
Xmax5.5 mm +38%, better
Sensitivity88.1 dB +0.5
MonacorSP-8/150PRO
£59.78 · 76% less, betterFs56 Hz +60%, worse
Qts0.32 −9%
Vas22 L −31%, better
BL12.0 T·m –
Xmax6 mm +50%, better
Sensitivity91.8 dB +4.2, better
FaitalPRO8PR155
£64.86 · 74% less, betterFs85 Hz +143%, worse
Qts0.37 +6%
Vas9.4 L −71%, better
BL13.4 T·m +15%, better
Xmax3.6 mm −11%, worse
Sensitivity93.7 dB +6.1, better
Scanspeak18W/4434G00
£72.01 · 71% less, betterFs47 Hz +34%, worse
Qts0.35 –
Vas20.7 L −35%, better
BL6 T·m −49%, worse
Xmax4.3 mm +7%
Sensitivity89.7 dB +2.1, better
FaitalPRO8PR200
£73.79 · 70% less, betterFs58 Hz +66%, worse
Qts0.37 +6%
Vas16.9 L −47%, better
BL11.5 T·m –
Xmax8.2 mm +104%, better
Sensitivity91.4 dB +3.8, better
Dayton AudioDCS205-4
£75.27 · 70% less, betterFs32 Hz −8%
Qts0.37 +6%
Vas27 L −16%, better
BL10.7 T·m −9%
Xmax8.8 mm +120%, better
Sensitivity85.6 dB −2, worse
Sica8 S 2.5 CP
£80.30 · 68% less, betterFs54 Hz +54%, worse
Qts0.33 −6%
Vas18.6 L −42%, better
BL11.9 T·m –
Xmax5 mm +25%, better
Sensitivity91 dB +3.4, better
CelestionCF0820BMB
£85.00 · 66% less, betterFs51 Hz +44%, worse
Qts0.37 +5%
Vas22.4 L −30%, better
BL11.9 T·m –
Xmax7.3 mm +81%, better
Sensitivity90.7 dB +3.1, better
Beyma8G40
£100.07 · 60% less, betterFs70 Hz +100%, worse
Qts0.36 –
Vas17 L −47%, better
BL12.2 T·m +4%
Xmax6.5 mm +63%, better
Sensitivity93.9 dB +6.3, better
CIARENDI8
£103.24 · 59% less, betterFs81 Hz +131%, worse
Qts0.33 −6%
Vas13 L −59%, better
BL12.8 T·m +9%
Xmax4.5 mm +13%, better
Sensitivity94.9 dB +7.3, better
Sica8 FE 2 CP
£104.62 · 58% less, betterFs67 Hz +91%, worse
Qts0.32 −9%
Vas16.9 L −47%, better
BL12.3 T·m +5%
Xmax4.5 mm +13%, better
Sensitivity93.4 dB +5.8, better
SB AcousticsSB23MFCL45-4
£117.27 · 53% less, betterFs27 Hz −23%, better
Qts0.34 –
Vas37 L +16%, worse
BL9.6 T·m −18%, worse
Xmax12 mm +200%, better
Sensitivity85.1 dB −2.5, worse
WavecorWF182BD12
£118.19 · 53% less, betterFs30 Hz −16%, better
Qts0.37 +6%
Vas32.4 L –
BL8.2 T·m −30%, worse
Xmax5.5 mm +38%, better
Sensitivity85.4 dB −2.2, worse
B&C8CX21
£151.61 · 39% less, betterFs74 Hz +111%, worse
Qts0.36 –
Vas15 L −53%, better
BL11.5 T·m –
Xmax5.5 mm +38%, better
Sensitivity94 dB +6.4, better
FaitalPRO8RS340
£163.28 · 34% less, betterFs42 Hz +20%, worse
Qts0.34 –
Vas25.5 L −20%, better
BL13 T·m +11%, better
Xmax7.3 mm +83%, better
Sensitivity89.2 dB +1.6
B&C8FCX51
£186.30 · 25% less, betterFs69 Hz +97%, worse
Qts0.34 –
Vas16 L −50%, better
BL11.5 T·m –
Xmax6 mm +50%, better
Sensitivity93.7 dB +6.1, better
WavecorWF182BD20
£188.39 · 24% less, betterFs30 Hz −16%, better
Qts0.37 +6%
Vas32.4 L –
BL8.2 T·m −30%, worse
Xmax5.5 mm +38%, better
Sensitivity85.4 dB −2.2, worse
Eighteen Sound8CX401F
£199.68 · 20% less, betterFs56 Hz +60%, worse
Qts0.34 –
Vas23.9 L −25%, better
BL9.3 T·m −21%, worse
Xmax5.8 mm +45%, better
Sensitivity92.5 dB +4.9, better
Beyma8NMFW
£228.68 · 8% less, betterFs37 Hz +6%
Qts0.34 –
Vas27 L −16%, better
BL13.4 T·m +15%, better
Xmax9 mm +125%, better
Sensitivity87.8 dB –
Eighteen Sound8CX650
£344.69 · 38% more, worseFs65 Hz +86%, worse
Qts0.35 –
Vas16.6 L −48%, better
BL12 T·m –
Xmax6 mm +50%, better
Sensitivity92.9 dB +5.3, better
REDCATT8FHW-2
No current priceFs36 Hz –
Qts0.35 –
Vas34.3 L +7%
BL8.6 T·m −26%, worse
Xmax3.6 mm −9%
Sensitivity88.3 dB +0.7
KartesianBOM185_VKI
No current priceFs38 Hz +9%
Qts0.32 −9%
Vas32.2 L –
BL11.6 T·m –
Xmax10 mm +150%, better
Sensitivity89.2 dB +1.6
Sica8 L 2 SL
No current priceFs64 Hz +83%, worse
Qts0.32 −9%
Vas18.2 L −43%, better
BL12.3 T·m +5%
Xmax3.5 mm −13%, worse
Sensitivity93.3 dB +5.7, better
LavoceFBASS08-18
No current priceFs53 Hz +51%, worse
Qts0.40 +14%, worse
Vas23.6 L −26%, better
BL11.4 T·m –
Xmax4.5 mm +13%, better
Sensitivity91.2 dB +3.6, better
Supravox215 GMF
No current priceFs54 Hz +54%, worse
Qts0.36 –
Vas60 L +88%, worse
BL9.7 T·m −17%, worse
Xmax3.7 mm −7%
Sensitivity96 dB +8.4, better
PRV Audio8MB700FT
No current priceFs72 Hz +107%, worse
Qts0.31 −11%, better
Vas20 L −38%, better
BL12.3 T·m +5%
Xmax3.5 mm −13%, worse
Sensitivity95.6 dB +8, better
LavoceCAF082.00K
No current priceFs72 Hz +106%, worse
Qts0.34 –
Vas15.1 L −53%, better
BL11.7 T·m –
Xmax6.7 mm +68%, better
Sensitivity93.7 dB +6.1, better
KartesianWOM185_VKI
No current priceFs32 Hz −9%
Qts0.32 −9%
Vas33.6 L +5%
BL10.2 T·m −13%, worse
Xmax12 mm +200%, better
Sensitivity87.3 dB –
PRV AudioMT8MB600CF-NDY-4
No current priceFs65 Hz +84%, worse
Qts0.37 +6%
Vas18.8 L −41%, better
BL9.3 T·m −20%, worse
Xmax4.8 mm +19%, better
Sensitivity93.3 dB +5.7, better
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 |
|---|---|---|---|---|
Wilmslow Audio | £249.12, the lowest price | Stock not listed | Visit shop at Wilmslow Audio | |
SoundImports Not currently listed · Last seen 15 Apr 2026 · Import VAT and duty may apply | £251.15 | 0.8% above the lowest price | Stock not listed | Visit shop at SoundImports |
Best price over time
Tracked since 23 Jul