Dayton AudioDC380-8
£86.01 · 74% less, betterFs19 Hz –
Qts0.30 −3%
Vas391.4 L −15%, better
BL20.4 T·m +22%, better
Xmax4.3 mm −62%, worse
Sensitivity90.9 dB −0.7
15-inch LF driver · SB42 series · 76 mm voice coil · 300 W
SB Acoustics SB42FHCL75-6 6Ω
6 Ω
£342.09
27%Lean Audio · 2 in stock · All 6 offers
- Fs
- 18Hz
- Xmax
- 11.5mm
- SPL
- 92dB
- Pe
- 300W
- BL
- 16.7T·m
- Vd
- 978cm³
- Qts
- 0.31
- Vas
- 462L
Published graphs
SB Acoustics SB42FHCL75-6 is a 15-inch 6 ohm LF driver rated at 300 W RMS. The validated T/S data includes Fs 18 Hz, Qts 0.31, Vas 462 L, Xmax 11.5 mm, sensitivity 91.6 dB, plus 978 cm³ Vd and 57 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 £334.84.
The published T/S values agree with each other
Thiele/Small
- Fs
- 18Hz
- Qts
- 0.31
- Qes
- 0.32
- Qms
- 7.4
- Vas
- 462L
- Re
- 4.6Ω
- Le
- 2.10mH
Motor and cone
- BL
- 16.7T·m
- Sd
- 850cm²
- Mms
- 166g
- Xmax
- 11.5mm
- Vd †
- 978cm³
- Voice coil
- 76mm
- Flux density
- 1.10T
Power and response
- Sensitivity †
- 91.6dB
- Manufacturer sensitivity
- 93dB
- Power
- 300W
- Impedance
- 6Ω
- EBP †
- 57 · Sealed or vented
Size and mounting
- Weight
- 10.2kg
Other published values
- Cms
- 0.45mm/N
Sensitivity shows 91.6 dB, calculated from the T/S values. SB Acoustics publishes 93.0 dB, 1.4 dB apart.
† Calculated by bits from the published values
What this validation status means
Everything else SB Acoustics lists
LF · Primary · 15″
- BL
- 16.7T·m
- Fs
- 18Hz
- Le
- 2.10mH
- Re
- 4.6Ω
- Sd
- 850cm²
- Cms
- 0.45mm/N
- Mms
- 166g
- Qes
- 0.32
- Qms
- 7.4
- Qts
- 0.31
- SPL
- 91.6dB
- Vas
- 462L
- Xmax
- 11.5mm
- Power
- 300W
- Impedance
- 6Ω
- Flux density
- 1.10T
- Sensitivity
- 93dB
- Calculated sensitivity †
- 91.6dB
- Manufacturer sensitivity
- 93dB
- Voice coil
- 76mm
- Weight
- 10.2kg
02
Compare
Same-size drivers, compared with the SB42FHCL75-6. Clear differences are green when better and red when worse.
This driverSB42FHCL75-6
Best price
£334.84
Fs
18 Hz
Qts
0.31
Vas
462 L
BL
16.7 T·m
Xmax
11.5 mm
Sensitivity
91.6 dB
Power
300 W
EminenceKAPPA-15A
£125.67 · 62% less, betterFs33 Hz +79%, worse
Qts0.32 +3%
Vas321.3 L −30%, better
BL15.7 T·m −6%
Xmax4 mm −65%, worse
Sensitivity97.5 dB +5.9, better
FaitalPRO15PR400
£166.62 · 50% less, betterFs35 Hz +90%, worse
Qts0.32 +3%
Vas248.9 L −46%, better
BL16.7 T·m –
Xmax5.8 mm −50%, worse
Sensitivity97 dB +5.4, better
EminenceOMEGA PRO-15A
£168.30 · 50% less, betterFs33 Hz +79%, worse
Qts0.32 +3%
Vas258.5 L −44%, better
BL17.5 T·m +5%
Xmax4.8 mm −58%, worse
Sensitivity96.5 dB +4.9, better
Eighteen Sound15MB700
£174.30 · 48% less, betterFs42 Hz +128%, worse
Qts0.29 −6%
Vas202 L −56%, better
BL17.6 T·m +5%
Xmax5.5 mm −52%, worse
Sensitivity98.9 dB +7.3, better
CelestionCF1540HD
£175.00 · 48% less, betterFs41 Hz +122%, worse
Qts0.30 –
Vas108.3 L −77%, better
BL24.4 T·m +46%, better
Xmax10.5 mm −9%
Sensitivity95.6 dB +4, better
Eighteen Sound15W700
£177.51 · 47% less, betterFs38 Hz +107%, worse
Qts0.30 −3%
Vas217 L −53%, better
BL18.4 T·m +10%, better
Xmax6.5 mm −43%, worse
Sensitivity97.6 dB +6, better
FaitalPRO15FH500
£208.49 · 38% less, betterFs35 Hz +90%, worse
Qts0.31 –
Vas199.2 L −57%, better
BL19.2 T·m +15%, better
Xmax9.3 mm −20%, worse
Sensitivity96.3 dB +4.7, better
B&C15TBW100
£246.65 · 26% less, betterFs39 Hz +112%, worse
Qts0.31 –
Vas96 L −79%, better
BL26.4 T·m +58%, better
Xmax12 mm +4%
Sensitivity94.4 dB +2.8, better
FaitalPRO15HP1030
£267.10 · 20% less, betterFs40 Hz +117%, worse
Qts0.30 −3%
Vas88.3 L −81%, better
BL20.5 T·m +23%, better
Xmax12.4 mm +8%
Sensitivity94.6 dB +3, better
FaitalPRO15HP1060
£287.20 · 14% less, betterFs40 Hz +117%, worse
Qts0.31 –
Vas100.3 L −78%, better
BL24.8 T·m +49%, better
Xmax12.4 mm +8%
Sensitivity95.1 dB +3.5, better
Dayton AudioRSS390HO-4
£301.43 · 10% less, betterFs22 Hz +17%, worse
Qts0.32 +3%
Vas168 L −64%, better
BL19.8 T·m +19%, better
Xmax12 mm +4%
Sensitivity88.8 dB −2.8, worse
Beyma15LEX1200ND
£320.84 · 4% lessFs36 Hz +96%, worse
Qts0.30 −3%
Vas127 L −73%, better
BL26.4 T·m +58%, better
Xmax11 mm −4%
Sensitivity94.7 dB +3.1, better
BMS15N840
£360.08 · 8% more, worseFs36 Hz +93%, worse
Qts0.30 −3%
Vas145.7 L −68%, better
BL24.6 T·m +47%, better
Xmax11 mm −4%
Sensitivity95.2 dB +3.6, better
Eighteen Sound15NLW9500
£376.79 · 13% more, worseFs34 Hz +85%, worse
Qts0.29 −6%
Vas147.5 L −68%, better
BL18.2 T·m +9%
Xmax9 mm −22%, worse
Sensitivity94.9 dB +3.3, better
B&C15CXN88
£494.86 · 48% more, worseFs47 Hz +155%, worse
Qts0.30 −3%
Vas124 L −73%, better
BL20.1 T·m +21%, better
Xmax9.5 mm −17%, worse
Sensitivity98.2 dB +6.6, better
Scanspeak38WE/8582T00
£1,172.19 · 250% more, worseFs26 Hz +41%, worse
Qts0.24 −23%, better
Vas423 L −8%
BL18.7 T·m +12%, better
Xmax10.2 mm −11%, worse
Sensitivity96.6 dB +5, better
Acoustic EleganceTD15X-8
No current priceFs23 Hz +26%, worse
Qts0.28 −10%
Vas467 L –
BL16.7 T·m –
Xmax14 mm +22%, better
Sensitivity94.8 dB +3.2, better
Audio Technology15 F 102 25 10 KAP
No current priceFs22 Hz +20%, worse
Qts0.29 −6%
Vas410 L −11%, better
BL18.6 T·m +11%, better
Xmax8.6 mm −25%, worse
Sensitivity93.7 dB +2.1, better
Acoustic EleganceTD15M-8
No current priceFs35 Hz +89%, worse
Qts0.33 +6%
Vas312 L −32%, better
BL17 T·m –
Xmax6 mm −48%, worse
Sensitivity97.7 dB +6.1, better
Acoustic EleganceTD15H-4
No current priceFs21 Hz +14%, worse
Qts0.26 −16%, better
Vas467 L –
BL14.9 T·m −11%, worse
Xmax14 mm +22%, better
Sensitivity94.1 dB +2.5, better
Acoustic EleganceTD15X-4
No current priceFs23 Hz +26%, worse
Qts0.28 −10%
Vas467 L –
BL11.5 T·m −31%, worse
Xmax14 mm +22%, better
Sensitivity94.8 dB +3.2, better
Oberton15HCX
No current priceFs41 Hz +121%, worse
Qts0.30 −3%
Vas205.5 L −56%, better
BL17.1 T·m –
Xmax7.8 mm −33%, worse
Sensitivity98.5 dB +6.9, better
Oberton15XB1200
No current priceFs40 Hz +116%, worse
Qts0.31 –
Vas108.5 L −77%, better
BL23.9 T·m +43%, better
Xmax12 mm +4%
Sensitivity95.3 dB +3.7, better
Oberton15XB1201
No current priceFs40 Hz +116%, worse
Qts0.31 –
Vas108.5 L −77%, better
BL23.9 T·m +43%, better
Xmax12 mm +4%
Sensitivity95.3 dB +3.7, better
CIARECSD154-22
No current priceFs31 Hz +68%, worse
Qts0.33 +6%
Vas129 L −72%, better
BL18.4 T·m +10%, better
Xmax13 mm +13%, better
Sensitivity92.4 dB +0.8
BMS15N850V2
No current priceFs36 Hz +93%, worse
Qts0.30 −3%
Vas145.7 L −68%, better
BL24.6 T·m +47%, better
Xmax11 mm −4%
Sensitivity95.2 dB +3.6, better
Acoustic EleganceTD15H-8
No current priceFs21 Hz +14%, worse
Qts0.26 −16%, better
Vas467 L –
BL20.1 T·m +20%, better
Xmax14 mm +22%, better
Sensitivity94.1 dB +2.5, better
Oberton15L400
No current priceFs43 Hz +135%, worse
Qts0.29 −7%
Vas229.9 L −50%, better
BL16.9 T·m –
Xmax3.3 mm −72%, worse
Sensitivity100 dB +8.4, better
Supravox380-2000 EXC LC
No current priceFs31 Hz +69%, worse
Qts0.34 +10%, worse
Vas300.8 L −35%, better
BL17.3 T·m +4%
Xmax7 mm −39%, worse
Sensitivity96 dB +4.4, better
Tune the match
Choose the published values that matter to your design. Size stays matched to this driver.
Qts
Qes
VasL
Xmaxmm
BLTm
- SoundImports5.0 out of 53 ratings · Checked 25 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 |
|---|---|---|---|---|
Lean Audio | £342.09, the lowest price | 2 in stock | Visit shop at Lean Audio | |
Willys-Hifi | £455.14 | 33% above the lowest price | Stock not listed | Visit shop at Willys-Hifi |
SoundImports Import VAT and duty may apply | £401.87 | 18% above the lowest price | 8 in stock | Visit shop at SoundImports |
RumoH Import VAT and duty may apply | £427.44 | 25% above the lowest price | Stock not listed | Visit shop at RumoH |
Best price over time
Tracked since 1 Apr
Recent changes
- 1 OctWillys-Hifi£466.95 → £455.14Down 2.5% from £466.95
- 30 SepWillys-Hifi£464.95 → £466.95Up 0.4% from £464.95
- 29 SepWillys-Hifi£465.95 → £464.95Down 0.2% from £465.95