Dayton AudioDSA90-8
£20.18 · 56% less, betterFs67 Hz −11%, better
Qts0.37 −5%
Vas2.3 L −31%, better
BL4.6 T·m +27%, better
Xmax2.5 mm +56%, better
Sensitivity83.8 dB −3, worse
3-inch LF driver · 12 W
Tang Band W3-2141 8Ω
8 Ω
No price for delivery to the UK
- Fs
- 75Hz
- Xmax
- 1.6mm
- SPL
- 87dB
- Pe
- 12W
- BL
- 3.6T·m
- Vd
- 5cm³
- Qts
- 0.39
- Vas
- 3L
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
spl
Frequency response
240 plotted pointsMedium confidence1,605 selected pixels of 2,006 - Trace datasheet-response-trace-poc/v1
impedance
Impedance response
240 plotted pointsMedium confidence3,081 selected pixels of 3,081
Tang Band W3-2141 is a 3-inch 8 ohm LF driver rated at 12 W RMS. The validated T/S data includes Fs 75 Hz, Qts 0.39, Vas 3.3 L, Xmax 1.6 mm, sensitivity 86.8 dB, plus 5 cm³ Vd and 163 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 £46.05.
The published T/S values agree with each other
Thiele/Small
- Fs
- 75Hz
- Qts
- 0.39
- Qes
- 0.46
- Qms
- 2.5
- Vas
- 3.3L
- Re
- 6.5Ω
- Le
- 0.02mH
Motor and cone
- BL
- 3.6T·m
- Sd
- 32cm²
- Mms
- 2g
- Xmax
- 1.6mm
- Vd †
- 5cm³
Power and response
- Sensitivity †
- 86.8dB
- Manufacturer sensitivity
- 87dB
- Power
- 12W
- Impedance
- 8Ω
- EBP †
- 163 · Leans vented
Other published values
- Power Peak
- 25
† Calculated by bits from the published values
What this validation status means
Everything else Tang Band lists
LF · Primary · 3″
- BL
- 3.6T·m
- Fs
- 75Hz
- Le
- 0.02mH
- Re
- 6.5Ω
- Sd
- 32cm²
- Mms
- 2g
- Qes
- 0.46
- Qms
- 2.5
- Qts
- 0.39
- SPL
- 86.8dB
- Vas
- 3.3L
- Xmax
- 1.6mm
- Power
- 12W
- Impedance
- 8Ω
- Power Peak
- 25
- Sensitivity
- 87dB
- Calculated sensitivity †
- 86.8dB
- Manufacturer sensitivity
- 87dB
02
Compare
Same-size drivers, compared with the W3-2141. Clear differences are green when better and red when worse.
This driverW3-2141
Best price
£46.05
Fs
75 Hz
Qts
0.39
Vas
3.3 L
BL
3.6 T·m
Xmax
1.6 mm
Sensitivity
86.8 dB
Power
12 W
Dayton AudioDS115-8
£20.18 · 56% less, betterFs55 Hz −26%, better
Qts0.38 –
Vas4.3 L +31%, worse
BL5.9 T·m +62%, better
Xmax4.1 mm +156%, better
Sensitivity84 dB −2.8, worse
SB AcousticsSB12PFCR25-4
£21.73 · 53% less, betterFs58 Hz −23%, better
Qts0.43 +10%, worse
Vas5.2 L +58%, worse
BL3.5 T·m −4%
Xmax4.9 mm +206%, better
Sensitivity85.2 dB −1.6
SB AcousticsSB12PFC25-4
£21.98 · 52% less, betterFs58 Hz −23%, better
Qts0.43 +10%, worse
Vas5.2 L +58%, worse
BL3.5 T·m −4%
Xmax5 mm +213%, better
Sensitivity85.2 dB −1.6
VisatonW 100 S
£30.10 · 35% less, betterFs65 Hz −13%, better
Qts0.46 +18%, worse
Vas4.5 L +36%, worse
BL3.7 T·m –
Xmax2 mm +25%, better
Sensitivity85.6 dB −1.2
Tang BandW3-881SJF
£30.14 · 35% less, betterFs100 Hz +33%, worse
Qts0.39 –
Vas1.9 L −43%, better
BL4.5 T·m +23%, better
Xmax0.5 mm −69%, worse
Sensitivity88.7 dB +1.9
SB AcousticsSB12NRXF25-4
£45.28 · 2% lessFs61 Hz −19%, better
Qts0.48 +23%, worse
Vas4.1 L +24%, worse
BL3.6 T·m –
Xmax5 mm +213%, better
Sensitivity84.5 dB −2.3, worse
SB AcousticsSB12NRX25-4
£46.34 · Same priceFs55 Hz −27%, better
Qts0.40 –
Vas5.6 L +70%, worse
BL3.6 T·m –
Xmax5 mm +213%, better
Sensitivity85.1 dB −1.7
Tang BandW4-1052SDF
£47.37 · 3% moreFs70 Hz −7%
Qts0.42 +8%
Vas5.2 L +58%, worse
BL4.1 T·m +13%, better
Xmax2.6 mm +63%, better
Sensitivity87.9 dB +1.1
SB AcousticsSB12MNRX25-4
£52.29 · 14% more, worseFs58 Hz −23%, better
Qts0.37 −5%
Vas5.5 L +67%, worse
BL3.7 T·m –
Xmax2.3 mm +41%, better
Sensitivity86.1 dB −0.7
SB AcousticsSB12PACR25-4-COAX
£52.54 · 14% more, worseFs55 Hz −27%, better
Qts0.35 −10%, better
Vas4.3 L +30%, worse
BL4 T·m +10%
Xmax5 mm +213%, better
Sensitivity84.8 dB −2, worse
Tang BandW4-2414
£66.90 · 45% more, worseFs65 Hz −13%, better
Qts0.40 –
Vas3.9 L +17%, worse
BL5.5 T·m +51%, better
Xmax2.5 mm +56%, better
Sensitivity85.6 dB −1.2
Tang BandW4-1720
£82.28 · 79% more, worseFs60 Hz −20%, better
Qts0.42 +8%
Vas5.9 L +79%, worse
BL3.8 T·m +5%
Xmax5 mm +213%, better
Sensitivity86 dB −0.8
MorelCAW 428
£91.27 · 98% more, worseFs74 Hz –
Qts0.38 –
Vas4.5 L +36%, worse
BL5 T·m +37%, better
Xmax4 mm +150%, better
Sensitivity88 dB +1.2
WavecorSW070WA01
£95.79 · 108% more, worseFs84 Hz +12%, worse
Qts0.39 –
Vas0.7 L −79%, better
BL3.9 T·m +6%
Xmax2.5 mm +56%, better
Sensitivity81.8 dB −5, worse
MorelEM 428
£184.17 · 300% more, worseFs68 Hz −9%
Qts0.41 +5%
Vas3.5 L +6%
BL5.4 T·m +48%, better
Xmax3 mm +87%, better
Sensitivity85.6 dB −1.2
CIARENDI3.21
No current priceFs90 Hz +20%, worse
Qts0.38 –
Vas1.8 L −45%, better
BL4 T·m +10%
Xmax2 mm +25%, better
Sensitivity86.8 dB –
CIAREFXI3.21
No current priceFs90 Hz +20%, worse
Qts0.44 +13%, worse
Vas1.8 L −45%, better
BL3.7 T·m –
Xmax2 mm +25%, better
Sensitivity86.3 dB −0.5
FountekFR59EXE
No current priceFs139 Hz +85%, worse
Qts0.36 −8%
Vas0.15 L −95%, better
BL3.0 T·m −18%, worse
Xmax1.4 mm −13%, worse
Sensitivity81.3 dB −5.5, worse
Tang BandW4-2089
No current priceFs35 Hz −53%, better
Qts0.42 +8%
Vas3.4 L –
BL8.7 T·m +139%, better
Xmax8 mm +400%, better
Sensitivity77 dB −9.8, worse
WavecorSW084OM01
No current priceFs74 Hz –
Qts0.44 +13%, worse
Vas1.7 L −48%, better
BL3.6 T·m –
Xmax4.5 mm +181%, better
Sensitivity83.8 dB −3, worse
CIARENDI3.25
No current priceFs77 Hz –
Qts0.40 –
Vas1.7 L −48%, better
BL4.2 T·m +15%, better
Xmax3.9 mm +144%, better
Sensitivity84.1 dB −2.7, worse
CIARECM100
No current priceFs160 Hz +113%, worse
Qts0.43 +10%, worse
Vas1.8 L −45%, better
BL4.1 T·m +12%, better
Xmax1.9 mm +19%, better
Sensitivity93.5 dB +6.7, better
Dayton AudioDMA80-4
No current priceFs94 Hz +25%, worse
Qts0.41 +5%
Vas1.4 L −57%, better
BL3.7 T·m –
Xmax2.5 mm +56%, better
Sensitivity85.6 dB −1.2
Tang BandW4-1320SMF
No current priceFs70 Hz −7%
Qts0.36 −8%
Vas7.4 L +124%, worse
BL3.5 T·m –
Xmax2.4 mm +50%, better
Sensitivity89.7 dB +2.9, better
Tang BandW3-316B
No current priceFs100 Hz +33%, worse
Qts0.44 +13%, worse
Vas1.9 L −43%, better
BL4.1 T·m +13%, better
Xmax1.2 mm −25%, worse
Sensitivity88 dB +1.2
Tang BandW2-2181S
No current priceFs120 Hz +60%, worse
Qts0.34 −13%, better
Vas0.24 L −93%, better
BL3.7 T·m –
Xmax2 mm +25%, better
Sensitivity81.9 dB −4.9, worse
Tang BandW4-2099
No current priceFs60 Hz −20%, better
Qts0.47 +21%, worse
Vas2.8 L −16%, better
BL3.7 T·m –
Xmax3 mm +87%, better
Sensitivity82.5 dB −4.3, worse
CIARECX102
No current priceFs125 Hz +67%, worse
Qts0.43 +10%, worse
Vas1.5 L −55%, better
BL4.3 T·m +18%, better
Xmax1.9 mm +19%, better
Sensitivity89.6 dB +2.8, better
Tang BandW4-1129E
No current priceFs120 Hz +60%, worse
Qts0.44 +13%, worse
Vas1.7 L −48%, better
BL5.2 T·m +42%, better
Xmax1.8 mm +12%, better
Sensitivity90.1 dB +3.3, better
Tune the match
Choose the published values that matter to your design. Size stays matched to this driver.
Qts
Qes
VasL
Xmaxmm
BLTm
- SoundImports4.6 out of 513 ratings · Checked 24 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 |
|---|---|---|---|---|
SoundImports Import VAT and duty may apply | £46.01 | Back order | Visit shop at SoundImports |