Dayton AudioTCP115-4
£11.95 · 90% less, betterFs54 Hz −28%, better
Qts0.35 +25%, worse
Vas3.1 L –
BL5.2 T·m +21%, better
Xmax4 mm –
Sensitivity82.8 dB −5.1, worse
3-inch LF driver · 12 W
Tang Band W3-1878 8Ω
8 Ω
No price for delivery to the UK
- Fs
- 75Hz
- Xmax
- 4mm
- SPL
- 88dB
- Pe
- 12W
- BL
- 4.3T·m
- Vd
- 13cm³
- Qts
- 0.28
- 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 confidence1,179 selected pixels of 1,513 - Trace datasheet-response-trace-poc/v1
impedance
Impedance response
240 plotted pointsMedium confidence2,368 selected pixels of 2,368
Tang Band W3-1878 is a 3-inch 8 ohm LF driver rated at 12 W RMS. The validated T/S data includes Fs 75 Hz, Qts 0.28, Vas 3.1 L, Xmax 4 mm, sensitivity 87.9 dB, plus 13 cm³ Vd and 221 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 £125.60.
The published T/S values agree with each other
Thiele/Small
- Fs
- 75Hz
- Qts
- 0.28
- Qes
- 0.34
- Qms
- 1.7
- Vas
- 3.1L
- Re
- 6.5Ω
- Le
- 0.023mH
Motor and cone
- BL
- 4.3T·m
- Sd
- 32cm²
- Mms
- 2g
- Xmax
- 4mm
- Vd †
- 13cm³
Power and response
- Sensitivity †
- 87.9dB
- Manufacturer sensitivity
- 88dB
- Power
- 12W
- Impedance
- 8Ω
- EBP †
- 221 · 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
- 4.3T·m
- Fs
- 75Hz
- Le
- 0.023mH
- Re
- 6.5Ω
- Sd
- 32cm²
- Mms
- 2g
- Qes
- 0.34
- Qms
- 1.7
- Qts
- 0.28
- SPL
- 87.9dB
- Vas
- 3.1L
- Xmax
- 4mm
- Power
- 12W
- Impedance
- 8Ω
- Power Peak
- 25
- Sensitivity
- 88dB
- Calculated sensitivity †
- 87.9dB
- Manufacturer sensitivity
- 88dB
02
Compare
Same-size drivers, compared with the W3-1878. Clear differences are green when better and red when worse.
This driverW3-1878
Best price
£125.60
Fs
75 Hz
Qts
0.28
Vas
3.1 L
BL
4.3 T·m
Xmax
4 mm
Sensitivity
87.9 dB
Power
12 W
GRS4SMP-8
£11.96 · 90% less, betterFs63 Hz −16%, better
Qts0.65 +132%, worse
Vas4 L +30%, worse
BL4.2 T·m –
Xmax4 mm –
Sensitivity82.8 dB −5.1, worse
Dayton AudioND64-4
£20.02 · 84% less, betterFs103 Hz +37%, worse
Qts0.33 +18%, worse
Vas0.4 L −86%, better
BL4.1 T·m −4%
Xmax1.9 mm −53%, worse
Sensitivity83.1 dB −4.8, worse
SB AcousticsSB12PAC25-4
£23.67 · 81% less, betterFs53 Hz −30%, better
Qts0.31 +11%, worse
Vas5.3 L +72%, worse
BL4.3 T·m –
Xmax5 mm +25%, better
Sensitivity85.7 dB −2.2, worse
SB AcousticsSB12PACR25-4
£23.67 · 81% less, betterFs53 Hz −30%, better
Qts0.31 +11%, worse
Vas5.3 L +72%, worse
BL4.3 T·m –
Xmax5 mm +25%, better
Sensitivity85.7 dB −2.2, worse
Dayton AudioND90-8
£25.87 · 79% less, betterFs71 Hz −6%
Qts0.65 +132%, worse
Vas1.8 L −43%, better
BL4.3 T·m –
Xmax4 mm –
Sensitivity81.2 dB −6.7, worse
CIAREHW100
£27.63 · 78% less, betterFs70 Hz −7%
Qts0.31 +11%, worse
Vas4.3 L +40%, worse
BL5.6 T·m +30%, better
Xmax4.3 mm +7%
Sensitivity88 dB –
Dayton AudioND105-4
£30.48 · 76% less, betterFs79 Hz +5%
Qts0.61 +118%, worse
Vas2.0 L −36%, better
BL4.5 T·m +5%
Xmax4 mm –
Sensitivity83.7 dB −4.2, worse
Dayton AudioND105-8
£30.48 · 76% less, betterFs67 Hz −11%, better
Qts0.66 +136%, worse
Vas3.0 L −4%
BL5.4 T·m +27%, better
Xmax4 mm –
Sensitivity82.8 dB −5.1, worse
Tang BandW2-2243S
£37.40 · 70% less, betterFs160 Hz +113%, worse
Qts0.30 +7%
Vas0.23 L −93%, better
BL3.8 T·m −12%, worse
Xmax1 mm −75%, worse
Sensitivity86.7 dB −1.2
SB AcousticsSB12PFCR25-4-COAX
£41.40 · 67% less, betterFs58 Hz −23%, better
Qts0.33 +18%, worse
Vas4.8 L +56%, worse
BL3.8 T·m −12%, worse
Xmax5 mm +25%, better
Sensitivity86.2 dB −1.7
B&C4NDF34
£42.70 · 66% less, betterFs110 Hz +47%, worse
Qts0.27 −4%
Vas1.6 L −48%, better
BL9 T·m +109%, better
Xmax3.8 mm −5%
Sensitivity90.8 dB +2.9, better
B&C4NDS34
£43.54 · 65% less, betterFs79 Hz +5%
Qts0.24 −14%, better
Vas2.6 L −16%, better
BL8.8 T·m +105%, better
Xmax3.8 mm −5%
Sensitivity89.1 dB +1.2
LavoceWSN041.00
£46.38 · 63% less, betterFs104 Hz +39%, worse
Qts0.30 +7%
Vas1.8 L −42%, better
BL8.3 T·m +93%, better
Xmax4 mm –
Sensitivity90 dB +2.1, better
SB AcousticsSB12MNRX2-25-4
£47.06 · 63% less, betterFs64 Hz −15%, better
Qts0.32 +14%, worse
Vas5.3 L +72%, worse
BL3.9 T·m −9%
Xmax2.2 mm −45%, worse
Sensitivity87.9 dB –
SB AcousticsSB12PFC25-4-COAX
£47.68 · 62% less, betterFs58 Hz −23%, better
Qts0.33 +18%, worse
Vas4.8 L +56%, worse
BL3.8 T·m −12%, worse
Xmax5 mm +25%, better
Sensitivity86.2 dB −1.7
SB AcousticsSB12PACR25-4-COAX
£52.54 · 58% less, betterFs55 Hz −27%, better
Qts0.35 +25%, worse
Vas4.3 L +40%, worse
BL4 T·m −7%
Xmax5 mm +25%, better
Sensitivity84.8 dB −3.1, worse
SB AcousticsSB12CACS25-4
£58.31 · 54% less, betterFs51 Hz −32%, better
Qts0.31 +11%, worse
Vas5.7 L +85%, worse
BL4.3 T·m –
Xmax5 mm +25%, better
Sensitivity85.6 dB −2.3, worse
MorelCAW 428D
£150.67 · 20% more, worseFs65 Hz −13%, better
Qts0.33 +18%, worse
Vas5.1 L +66%, worse
BL5.2 T·m +22%, better
Xmax4 mm –
Sensitivity87.2 dB −0.7
MorelINTEGRA 524
£167.42 · 33% more, worseFs62 Hz −17%, better
Qts0.29 +4%
Vas12.9 L +320%, worse
BL5.0 T·m +17%, better
Xmax3 mm −25%, worse
Sensitivity92.1 dB +4.2, better
MorelSCW 636
£452.11 · 260% more, worseFs40 Hz −47%, better
Qts0.29 +4%
Vas18.5 L +501%, worse
BL7.2 T·m +67%, better
Xmax5 mm +25%, better
Sensitivity87.3 dB −0.6
MorelMSW 424D
No current priceFs60 Hz −20%, better
Qts0.32 +14%, worse
Vas4.8 L +54%, worse
BL4.5 T·m +3%
Xmax4 mm –
Sensitivity86.3 dB −1.6
CIAREHWL100
No current priceFs70 Hz −7%
Qts0.31 +11%, worse
Vas4.3 L +40%, worse
BL5.6 T·m +30%, better
Xmax4.3 mm +7%
Sensitivity88 dB –
Tang BandW2-835SL
No current priceFs160 Hz +113%, worse
Qts0.30 +7%
Vas0.24 L −92%, better
BL4.7 T·m +8%
Xmax1 mm −75%, worse
Sensitivity86.8 dB −1.1
MorelEM 428D
No current priceFs69 Hz −8%
Qts0.33 +18%, worse
Vas4.1 L +33%, worse
BL6.0 T·m +38%, better
Xmax4 mm –
Sensitivity87.4 dB −0.5
Tang BandW4-937SF
No current priceFs65 Hz −13%, better
Qts0.26 −7%
Vas4.9 L +58%, worse
BL6.7 T·m +55%, better
Xmax4.5 mm +13%, better
Sensitivity88.1 dB –
Tang BandW3-1401SD
No current priceFs75 Hz –
Qts0.31 +11%, worse
Vas1.6 L −46%, better
BL5.6 T·m +29%, better
Xmax3.5 mm −13%, worse
Sensitivity84.7 dB −3.2, worse
CIARENDI3.25
No current priceFs77 Hz –
Qts0.40 +43%, worse
Vas1.7 L −45%, better
BL4.2 T·m –
Xmax3.9 mm –
Sensitivity84.1 dB −3.8, worse
Tang BandW2-1625SA
No current priceFs90 Hz +20%, worse
Qts0.31 +11%, worse
Vas0.3 L −90%, better
BL5.2 T·m +20%, better
Xmax2 mm −50%, worse
Sensitivity80.4 dB −7.5, worse
MarkaudioCHP-70 GENERATION 2
No current priceFs72 Hz −4%
Qts0.52 +86%, worse
Vas4.7 L +53%, worse
BL4.2 T·m –
Xmax4.2 mm +5%
Sensitivity86.3 dB −1.6
Tune the match
Choose the published values that matter to your design. Size stays matched to this driver.
Qts
Qes
VasL
Xmaxmm
BLTm
None of the shops we track lists delivery to the UK at checkout.