B&C gives the tuning only; the port is yours to size.
12-inch LF driver · 12SW series · 115 mm voice coil · 1,700 W
B&C 12SW115 4Ω
40–1500 Hz
No price for delivery to the UK
- Fs
- 39Hz
- Xmax
- 13.8mm
- SPL
- 91dB
- Pe
- 1700W
- BL
- 23.8T·m
- Vd
- 720cm³
- Qts
- 0.25
- Vas
- 33L
Published graphs
B&C 12SW115 is a 12-inch 4 ohm LF driver rated at 1700 W RMS. The validated T/S data includes Fs 39 Hz, Qts 0.25, Vas 33 L, Xmax 13.8 mm, sensitivity 90.8 dB, plus 720 cm³ Vd and 150 EBP. bits tracks vendor pricing, datasheet links, simulator import data, and similar drivers from the same loudspeaker database.
The published T/S values agree with each other
Thiele/Small
- Fs
- 39Hz
- Qts
- 0.25
- Qes
- 0.26
- Qms
- 9.8
- Vas
- 33L
- Re
- 3.1Ω
- Le
- 1.35mH
Motor and cone
- BL
- 23.8T·m
- Sd
- 522cm²
- Mms
- 192g
- Xmax
- 13.8mm
- Vd †
- 720cm³
- Voice coil
- 115mm
- Flux density
- 1.12T
Power and response
- Sensitivity †
- 90.8dB
- Manufacturer sensitivity
- 92dB
- Power
- 1700W
- Nominal power
- 1700W
- Impedance
- 4Ω
- Min. impedance
- 4.1Ω
- Range
- 40–1500Hz
- EBP †
- 150 · Leans vented
Size and mounting
- Diameter
- 315mm
- Cutout
- 283mm
- Bolt circle
- 298mm
- Depth
- 167mm
- Weight
- 10.4kg
Sensitivity shows 90.8 dB, calculated from the T/S values. B&C publishes 92.0 dB, 1.2 dB apart.
† Calculated by bits from the published values
What this validation status means
Everything else B&C lists
LF
- BL
- 23.8T·m
- Fs
- 39Hz
- Le
- 1.35mH
- Re
- 3.1Ω
- Sd
- 522cm²
- Mms
- 192g
- Qes
- 0.26
- Qms
- 9.8
- Qts
- 0.25
- SPL
- 90.8dB
- Vas
- 33L
- Xmax
- 13.8mm
- Power
- 1700W
- Impedance
- 4Ω
- Flux density
- 1.12T
- Sensitivity
- 92dB
- Low limit
- 40Hz
- Nominal power
- 1700W
- Calculated sensitivity †
- 90.8dB
- High limit
- 1500Hz
- Manufacturer sensitivity
- 92dB
- Min. impedance
- 4.1Ω
- Voice coil
- 115mm
- Weight
- 10.4kg
- Diameter
- 315mm
- Depth
- 167mm
- Cutout
- 283mm
- Bolt circle
- 298mm
- Bl
- 23.8 Tm
- Fs
- 39 Hz
- Le
- 1.35 mH
- Re
- 3.1 Ω
- Sd
- 522 cm² (80.91 in²)
- Ebp
- 150 Hz
- Mms
- 192 g
- Qes
- 0.26
- Qms
- 9.8
- Qts
- 0.25
- Vas
- 33 dm³ (1.17 ft³)
- Η0
- 0.77 %
- Xmax
- 13.8 mm
- Xvar
- 10.5 mm
- Depth
- 167 mm (6.6 in)
- Spider
- Double Silicone
- Cone shape
- Radial
- Net weight
- 10.4 kg (22.93 lb)
- Pole design
- T-Pole
- Sensitivity
- 92 dB
- Flux density
- 1.12 T
- Winding depth
- 34.5 mm (1.36 in)
- Shipping units
- 1 pcs
- Surround shape
- Triple Roll
- Former material
- Glass Fibre
- Frequency range
- 40 Hz - 1500 Hz
- Magnet material
- Neodymium Inside Slug
- Nominal diameter
- 320 mm (12 in)
- Overall diameter
- 315 mm (12.4 in)
- Winding material
- Copper
- Minimum impedance
- 4.1 Ω
- Nominal impedance
- 4 Ω
- Magnetic gap depth
- 14 mm (0.55 in)
- Recommended loading
- Vented Box
- Voice coil diameter
- 115 mm (4.5 in)
- Bolt circle diameter
- 298 mm (11.73 in)
- Woofer cone treatment
- TWP Waterproof Both Sides
- Baffle cutout diameter
- 283 mm (11.1 in)
- Nominal power handling
- 1700 W
- Continuous power handling
- 3400 W
- Flange and gasket thickness
- 12 mm (0.5 in)
- Air volume occupied by driver
- 3.4 dm³ (0.12 ft³)
B&C’s suggested box
From B&C’s 12SW115 page
Open the 12SW115 in 00 Simulator
03
Compare
Same-size drivers, compared with the 12SW115. Clear differences are green when better and red when worse.
This driver12SW115
Best price
–
Fs
39 Hz
Qts
0.25
Vas
33 L
BL
23.8 T·m
Xmax
13.8 mm
Sensitivity
90.8 dB
Power
1700 W
B&C12CLA76
£153.54Fs52 Hz +33%, worse
Qts0.25 –
Vas56 L +70%, worse
BL20.2 T·m −15%, worse
Xmax5.3 mm −62%, worse
Sensitivity96.8 dB +6, better
Eighteen Sound12MB700
£174.01Fs46 Hz +18%, worse
Qts0.25 –
Vas100 L +203%, worse
BL22.1 T·m −7%
Xmax4.5 mm −67%, worse
Sensitivity97.8 dB +7, better
RCFMB12X351
£187.93Fs55 Hz +41%, worse
Qts0.26 +4%
Vas46 L +39%, worse
BL22.5 T·m −5%
Xmax7 mm −49%, worse
Sensitivity96.6 dB +5.8, better
PRV Audio12MR2000X
£188.24Fs65 Hz +66%, worse
Qts0.28 +12%, worse
Vas39.6 L +20%, worse
BL23.2 T·m –
Xmax6.6 mm −52%, worse
Sensitivity97.9 dB +7.1, better
B&C12PS100
£190.15Fs44 Hz +13%, worse
Qts0.27 +8%
Vas47 L +42%, worse
BL22.5 T·m −5%
Xmax8 mm −42%, worse
Sensitivity93.4 dB +2.6, better
Beyma12LEX1000FE
£203.63Fs49 Hz +26%, worse
Qts0.30 +20%, worse
Vas38.4 L +16%, worse
BL24.6 T·m +3%
Xmax11 mm −20%, worse
Sensitivity93.5 dB +2.7, better
BMS12S330
£204.98Fs29 Hz −27%, better
Qts0.24 −4%
Vas85.5 L +159%, worse
BL23 T·m −3%
Xmax8 mm −42%, worse
Sensitivity91.1 dB –
B&C12TBX100
£207.11Fs44 Hz +13%, worse
Qts0.23 −8%
Vas41.1 L +25%, worse
BL22.9 T·m −4%
Xmax9 mm −35%, worse
Sensitivity93.7 dB +2.9, better
BMS12S305
£213.05Fs35 Hz −10%, better
Qts0.27 +6%
Vas82 L +148%, worse
BL20.1 T·m −15%, worse
Xmax11 mm −20%, worse
Sensitivity93 dB +2.2, better
Beyma12MC700ND
£217.96Fs51 Hz +31%, worse
Qts0.24 −4%
Vas58 L +76%, worse
BL21.6 T·m −9%
Xmax7 mm −49%, worse
Sensitivity96.7 dB +5.9, better
B&C12NBX100
£218.91Fs40 Hz –
Qts0.22 −12%, better
Vas46.5 L +41%, worse
BL23.0 T·m −3%
Xmax10 mm −28%, worse
Sensitivity93.1 dB +2.3, better
FaitalPRO12HP1020
£235.97Fs55 Hz +41%, worse
Qts0.27 +8%
Vas38.6 L +17%, worse
BL24.3 T·m –
Xmax9 mm −35%, worse
Sensitivity95.6 dB +4.8, better
FaitalPRO12FX600
£247.20Fs48 Hz +23%, worse
Qts0.24 −4%
Vas44.4 L +35%, worse
BL25.3 T·m +6%
Xmax9.9 mm −28%, worse
Sensitivity95 dB +4.2, better
BMS12N620
£247.26Fs45 Hz +15%, worse
Qts0.25 –
Vas72.7 L +120%, worse
BL20.6 T·m −13%, worse
Xmax5.5 mm −60%, worse
Sensitivity96 dB +5.2, better
FaitalPRO12HP1030
£250.40Fs45 Hz +15%, worse
Qts0.27 +8%
Vas33.2 L –
BL20.5 T·m −14%, worse
Xmax12.4 mm −10%
Sensitivity92.4 dB +1.6
FaitalPRO12RS1066
£261.44Fs42 Hz +8%
Qts0.33 +32%, worse
Vas31.5 L −5%
BL24.8 T·m +4%
Xmax12.4 mm −10%
Sensitivity90.4 dB –
FaitalPRO12HP1060
£262.29Fs45 Hz +15%, worse
Qts0.25 –
Vas33.8 L –
BL20.7 T·m −13%, worse
Xmax12.4 mm −10%
Sensitivity92.8 dB +2, better
BMS12N802
£271.01Fs43 Hz +10%, worse
Qts0.24 −4%
Vas65 L +97%, worse
BL22.3 T·m −7%
Xmax4.5 mm −67%, worse
Sensitivity95.2 dB +4.4, better
Beyma12P1000ND
£305.27Fs47 Hz +21%, worse
Qts0.26 +4%
Vas49 L +48%, worse
BL23.5 T·m –
Xmax8 mm −42%, worse
Sensitivity94.8 dB +4, better
Eighteen Sound12NLW9410
£336.13Fs42 Hz +8%
Qts0.26 +4%
Vas55 L +67%, worse
BL21.7 T·m −9%
Xmax11 mm −20%, worse
Sensitivity93.8 dB +3, better
Beyma12CXA400FE
£337.46Fs42 Hz +8%
Qts0.25 –
Vas94 L +185%, worse
BL19.8 T·m −17%, worse
Xmax6 mm −57%, worse
Sensitivity96.3 dB +5.5, better
Beyma12CXA400ND
£349.99Fs45 Hz +15%, worse
Qts0.25 –
Vas88.5 L +168%, worse
BL21.4 T·m −10%, worse
Xmax6 mm −57%, worse
Sensitivity96.9 dB +6.1, better
Beyma12LEX1300ND
£360.37Fs45 Hz +15%, worse
Qts0.24 −4%
Vas43 L +30%, worse
BL26.4 T·m +11%, better
Xmax11 mm −20%, worse
Sensitivity94 dB +3.2, better
Sica12 S 4 PL
£407.39Fs40 Hz +4%
Qts0.25 –
Vas57 L +73%, worse
BL23.5 T·m –
Xmax7.5 mm −46%, worse
Sensitivity93.6 dB +2.8, better
Sica12 K 4 PL
No current priceFs49 Hz +24%, worse
Qts0.25 –
Vas47.4 L +44%, worse
BL22.9 T·m −4%
Xmax7 mm −49%, worse
Sensitivity95 dB +4.2, better
Acoustic EleganceTD12H-8
No current priceFs27 Hz −32%, better
Qts0.23 −8%
Vas160 L +385%, worse
BL19.7 T·m −17%, worse
Xmax14 mm –
Sensitivity92.9 dB +2.1, better
Sica12 PFS 4
No current priceFs39 Hz –
Qts0.26 +4%
Vas55.6 L +68%, worse
BL23.9 T·m –
Xmax9 mm −35%, worse
Sensitivity92.9 dB +2.1, better
Acoustic EleganceTD12H-4
No current priceFs27 Hz −32%, better
Qts0.23 −8%
Vas160 L +385%, worse
BL14.4 T·m −39%, worse
Xmax14 mm –
Sensitivity92.9 dB +2.1, better
Oberton12H4CX72
No current priceFs50 Hz +28%, worse
Qts0.25 –
Vas74.7 L +126%, worse
BL19.9 T·m −16%, worse
Xmax4.5 mm −67%, worse
Sensitivity97.6 dB +6.8, better
No photo
PHL Audio4071-1
No current priceFs47 Hz +21%, worse
Qts0.24 −4%
Vas57.8 L +75%, worse
BL20.6 T·m −13%, worse
Xmax6.5 mm −53%, worse
Sensitivity95.7 dB +4.9, 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 |
|---|---|---|---|---|
Audio Video Parts Import VAT and duty may apply | £309.80 | Special order | Visit shop at Audio Video Parts |