SB AudienceBIANCO-12OB150-01
£55.90 · 44% less, betterFs44 Hz +42%, worse
Qts0.63 +26%, worse
Vas103.8 L −27%, better
BL12.2 T·m –
Xmax6.8 mm −15%, worse
Sensitivity93.1 dB +2.3, better
12-inch LF driver · 125 W
Beyma 12BR70 8Ω
8 Ω · 35–4000 Hz
£99.85
SteadyBlue Aran · 4+ in stock · All 7 offers
- Fs
- 31Hz
- Xmax
- 8mm
- SPL
- 91dB
- Pe
- 125W
- BL
- 12.1T·m
- Vd
- 432cm³
- Qts
- 0.50
- Vas
- 142L
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
frequency response
Frequency response
240 plotted pointsSource file SHA-256 2320b3c75a37…Medium confidence3,808 selected pixels of 4,089 - Trace datasheet-response-trace-poc/v1
impedance
Impedance response
240 plotted pointsSource file SHA-256 2320b3c75a37…Medium confidence3,114 selected pixels of 3,114
Published graphs
Beyma 12BR70 is a 12-inch 8 ohm LF driver rated at 125 W RMS. The validated T/S data includes Fs 31 Hz, Qts 0.50, Vas 142 L, Xmax 8 mm, sensitivity 90.8 dB, plus 432 cm³ Vd and 55 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 £99.85.
The published T/S values agree with each other
Thiele/Small
- Fs
- 31Hz
- Qts
- 0.50
- Qes
- 0.56
- Qms
- 4.4
- Vas
- 142L
- Re
- 5.6Ω
- Le
- 0.80mH
Motor and cone
- BL
- 12.1T·m
- Sd
- 540cm²
- Mms
- 74g
- Xmax
- 8mm
- Vd †
- 432cm³
Power and response
- Sensitivity †
- 90.8dB
- Manufacturer sensitivity
- 93dB
- Power
- 125W
- Impedance
- 8Ω
- Range
- 35–4000Hz
- EBP †
- 55 · Sealed or vented
Size and mounting
- Weight
- 3.6kg
Other published values
- Cms
- 0.34mm/N
- Rms
- 3.30kg/s
- Power Program
- 250
Sensitivity shows 90.8 dB, calculated from the T/S values. Beyma publishes 93.0 dB, 2.2 dB apart.
† Calculated by bits from the published values
What this validation status means
Everything else Beyma lists
LF · Primary · 12″
- BL
- 12.1T·m
- Fs
- 31Hz
- Le
- 0.80mH
- Re
- 5.6Ω
- Sd
- 540cm²
- Cms
- 0.34mm/N
- Mms
- 74g
- Qes
- 0.56
- Qms
- 4.4
- Qts
- 0.50
- Rms
- 3.30kg/s
- SPL
- 90.8dB
- Vas
- 142L
- Xmax
- 8mm
- Power
- 125W
- Impedance
- 8Ω
- Sensitivity
- 93dB
- Low limit
- 35Hz
- Power Program
- 250
- Calculated sensitivity †
- 90.8dB
- High limit
- 4000Hz
- Manufacturer sensitivity
- 93dB
- Weight
- 3.6kg
02
Compare
Same-size drivers, compared with the 12BR70. Clear differences are green when better and red when worse.
This driver12BR70
Best price
£99.85
Fs
31 Hz
Qts
0.50
Vas
142 L
BL
12.1 T·m
Xmax
8 mm
Sensitivity
90.8 dB
Power
125 W
FaitalPRO12FE300
£64.00 · 36% less, betterFs47 Hz +52%, worse
Qts0.51 –
Vas83.7 L −41%, better
BL12.5 T·m +3%
Xmax5.1 mm −37%, worse
Sensitivity94.2 dB +3.4, better
PRV Audio12W800A
£68.08 · 32% less, betterFs50 Hz +61%, worse
Qts0.47 −6%
Vas93.9 L −34%, better
BL12.7 T·m +5%
Xmax5.7 mm −29%, worse
Sensitivity95.8 dB +5, better
SB AudienceBIANCO-12MW200
£68.29 · 32% less, betterFs51 Hz +65%, worse
Qts0.49 –
Vas62.9 L −56%, better
BL14.7 T·m +21%, better
Xmax7.0 mm −13%, worse
Sensitivity94.2 dB +3.4, better
VisatonW 300
£71.46 · 28% less, betterFs32 Hz +3%
Qts0.45 −10%
Vas190 L +34%, worse
BL9.4 T·m −22%, worse
Xmax14 mm +75%, better
Sensitivity92.6 dB +1.8
Beyma12CMV3
£75.00 · 25% less, betterFs52 Hz +68%, worse
Qts0.55 +10%, worse
Vas85 L −40%, better
BL12.3 T·m –
Xmax7 mm −13%, worse
Sensitivity95.2 dB +4.4, better
FaitalPRO12FE330
£79.61 · 20% less, betterFs33 Hz +6%
Qts0.45 −10%
Vas146.7 L +3%
BL13 T·m +7%
Xmax8.3 mm +4%
Sensitivity92.4 dB +1.6
EminenceBETA-12A
£94.64 · 5% less, betterFs47 Hz +52%, worse
Qts0.46 −8%
Vas120.1 L −15%, better
BL10.8 T·m −11%, worse
Xmax4.4 mm −45%, worse
Sensitivity96 dB +5.2, better
EminenceBETA 12CX
£95.30 · 5% lessFs47 Hz +52%, worse
Qts0.48 −4%
Vas120.9 L −15%, better
BL10.8 T·m −11%, worse
Xmax3.5 mm −56%, worse
Sensitivity95.9 dB +5.1, better
Dayton AudioSD315A-88
£97.36 · 2% lessFs24 Hz −22%, better
Qts0.33 −34%, better
Vas151.7 L +7%
BL11.9 T·m –
Xmax7 mm −13%, worse
Sensitivity89.7 dB −1.1
BishopSoundBDP12
£98.00 · 2% lessFs68 Hz +118%, worse
Qts0.49 –
Vas26.3 L −81%, better
BL20.4 T·m +69%, better
Xmax7 mm −13%, worse
Sensitivity94 dB +3.2, better
B&C320K/C-A
£107.29 · 7% more, worseFs82 Hz +165%, worse
Qts0.50 –
Vas53 L −63%, better
BL12.2 T·m –
Xmax2 mm −75%, worse
Sensitivity99.5 dB +8.7, better
EminenceLEGEND BP 122
£120.00 · 20% more, worseFs35 Hz +13%, worse
Qts0.54 +8%
Vas157.4 L +11%, worse
BL10.6 T·m −13%, worse
Xmax6.2 mm −22%, worse
Sensitivity92.8 dB +2, better
EminenceBASSLITE S2012
£146.00 · 46% more, worseFs48 Hz +55%, worse
Qts0.48 −4%
Vas90.6 L −36%, better
BL11.7 T·m −3%
Xmax5.2 mm −35%, worse
Sensitivity94.8 dB +4, better
FaitalPRO12PR320
£156.69 · 57% more, worseFs42 Hz +35%, worse
Qts0.37 −26%, better
Vas113.3 L −20%, better
BL13.5 T·m +12%, better
Xmax7.4 mm −8%
Sensitivity95.4 dB +4.6, better
SB AudienceNERO-12MWN400D
£211.70 · 112% more, worseFs66 Hz +113%, worse
Qts0.52 +4%
Vas31.1 L −78%, better
BL17.8 T·m +47%, better
Xmax7.1 mm −11%, worse
Sensitivity94.1 dB +3.3, better
B&C12CLX64
£236.92 · 137% more, worseFs54 Hz +74%, worse
Qts0.57 +14%, worse
Vas74 L −48%, better
BL11.9 T·m –
Xmax5.5 mm −31%, worse
Sensitivity94.8 dB +4, better
FaitalPRO12HX230
£250.31 · 151% more, worseFs55 Hz +77%, worse
Qts0.43 −14%, better
Vas67.7 L −52%, better
BL14.1 T·m +17%, better
Xmax7.4 mm −8%
Sensitivity95.9 dB +5.1, better
SB AudienceROSSO-12CX350
£254.04 · 154% more, worseFs49 Hz +58%, worse
Qts0.49 –
Vas90.4 L −36%, better
BL12.1 T·m –
Xmax8.2 mm –
Sensitivity95.1 dB +4.3, better
Acoustic EleganceIB12AU-8
No current priceFs24 Hz −23%, better
Qts0.51 –
Vas160 L +13%, worse
BL12.5 T·m +3%
Xmax18 mm +125%, better
Sensitivity87.8 dB −3, worse
HiViSS12
No current priceFs33 Hz +6%
Qts0.55 +10%, worse
Vas105.9 L −25%, better
BL10.7 T·m −12%, worse
Xmax7.3 mm −9%
Sensitivity90 dB −0.8
Acoustic EleganceSBP12-8
No current priceFs24 Hz −24%, better
Qts0.48 −4%
Vas160 L +13%, worse
BL13.1 T·m +8%
Xmax14 mm +75%, better
Sensitivity87.9 dB −2.9, worse
Acoustic EleganceSBP12-4
No current priceFs24 Hz −24%, better
Qts0.48 −4%
Vas160 L +13%, worse
BL10.5 T·m −13%, worse
Xmax14 mm +75%, better
Sensitivity87.9 dB −2.9, worse
LavoceLBASS12-15
No current priceFs38 Hz +23%, worse
Qts0.48 −4%
Vas160.9 L +13%, worse
BL10.1 T·m −17%, worse
Xmax4.7 mm −41%, worse
Sensitivity94 dB +3.2, better
CIAREHSB322
No current priceFs35 Hz +13%, worse
Qts0.42 −16%, better
Vas83 L −42%, better
BL12 T·m –
Xmax7.5 mm −6%
Sensitivity90.8 dB –
Acoustic EleganceIB12AU-4
No current priceFs24 Hz −23%, better
Qts0.51 –
Vas160 L +13%, worse
BL8.8 T·m −28%, worse
Xmax18 mm +125%, better
Sensitivity87.8 dB −3, worse
CelestionTF1218
No current priceFs59 Hz +90%, worse
Qts0.52 +3%
Vas83.0 L −42%, better
BL11.2 T·m −7%
Xmax2 mm −75%, worse
Sensitivity96.5 dB +5.7, better
EminenceDELTALITE 2512
No current priceFs53 Hz +71%, worse
Qts0.52 +4%
Vas67.4 L −53%, better
BL11.6 T·m −4%
Xmax4.9 mm −39%, worse
Sensitivity94 dB +3.2, better
P.Audio12BMA-300B
No current priceFs61 Hz +97%, worse
Qts0.49 –
Vas54.4 L −62%, better
BL13.7 T·m +13%, better
Xmax4 mm −50%, worse
Sensitivity95.7 dB +4.9, better
LavoceFBASS12-20
No current priceFs53 Hz +71%, worse
Qts0.46 −8%
Vas75.4 L −47%, better
BL13.3 T·m +10%
Xmax4.3 mm −46%, worse
Sensitivity95.5 dB +4.7, 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 |
|---|---|---|---|---|
Blue Aran | £99.85, the lowest price | 4+ in stock | Visit shop at Blue Aran | |
Parts Express Import VAT and duty may apply | £102.67 | 2.8% above the lowest price | 12 in stock | Visit shop at Parts Express |
SoundImports Import VAT and duty may apply | £105.83 | 6.0% above the lowest price | 16 in stock | Visit shop at SoundImports |
Best price over time
Tracked since 1 Apr