Dayton AudioSD315A-88
£96.25 · 84% less, betterFs24 Hz +5%
Qts0.33 +18%, worse
Vas151.7 L −11%, better
BL11.9 T·m −9%
Xmax7 mm –
Sensitivity89.7 dB −0.7
12-inch LF driver · Revelator series · 75 mm voice coil · 150 W
Scanspeak 32W/4878T01 4Ω
4 Ω
£586.08
SteadySoundImports · 3 in stock · Ships from Netherlands · All 2 offers
- Fs
- 23Hz
- Xmax
- 7mm
- SPL
- 90dB
- Pe
- 150W
- BL
- 13T·m
- Vd
- 372cm³
- Qts
- 0.28
- Vas
- 170L
Scanspeak 32W/4878T01 is a 12-inch 4 ohm LF driver rated at 150 W RMS. The validated T/S data includes Fs 23 Hz, Qts 0.28, Vas 170 L, Xmax 7 mm, sensitivity 90.4 dB, plus 372 cm³ Vd and 77 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 £586.08.
The published T/S values agree with each other
Thiele/Small
- Fs
- 23Hz
- Qts
- 0.28
- Qes
- 0.30
- Qms
- 6
- Vas
- 170L
- Re
- 3.1Ω
- Le
- 0.30mH
Motor and cone
- BL
- 13T·m
- Sd
- 531cm²
- Mms
- 112g
- Xmax
- 7mm
- Vd †
- 372cm³
- Voice coil
- 75mm
Power and response
- Sensitivity †
- 90.4dB
- Manufacturer sensitivity
- 92dB
- Power
- 150W
- Impedance
- 4Ω
- EBP †
- 77 · Sealed or vented
Size and mounting
- Diameter
- 320mm
Other published values
- Cms
- 0.43mm/N
- Rms
- 2.70kg/s
- Xmech
- 28
- Power Peak
- 400
Sensitivity shows 90.4 dB, calculated from the T/S values. Scanspeak publishes 92.0 dB, 1.6 dB apart.
† Calculated by bits from the published values
What this validation status means
Everything else Scanspeak lists
LF · Primary · 12″
- BL
- 13T·m
- Fs
- 23Hz
- Le
- 0.30mH
- Re
- 3.1Ω
- Sd
- 531cm²
- Cms
- 0.43mm/N
- Mms
- 112g
- Qes
- 0.30
- Qms
- 6
- Qts
- 0.28
- Rms
- 2.70kg/s
- SPL
- 90.4dB
- Vas
- 170L
- Xmax
- 7mm
- Xmech
- 28
- Power
- 150W
- Impedance
- 4Ω
- Power Peak
- 400
- Sensitivity
- 92dB
- Calculated sensitivity †
- 90.4dB
- Manufacturer sensitivity
- 92dB
- Voice coil
- 75mm
- Diameter
- 320mm
02
Compare
Same-size drivers, compared with the 32W/4878T01. Clear differences are green when better and red when worse.
This driver32W/4878T01
Best price
£586.08
Fs
23 Hz
Qts
0.28
Vas
170 L
BL
13 T·m
Xmax
7 mm
Sensitivity
90.4 dB
Power
150 W
SB AudienceROSSO-12MW300
£106.55 · 82% less, betterFs48 Hz +109%, worse
Qts0.27 −4%
Vas85.9 L −49%, better
BL17.4 T·m +34%, better
Xmax6.7 mm −5%
Sensitivity97.3 dB +6.9, better
CIAREHW321
£113.81 · 81% less, betterFs27 Hz +17%, worse
Qts0.33 +18%, worse
Vas205 L +21%, worse
BL13.2 T·m –
Xmax7.3 mm +4%
Sensitivity92.4 dB +2, better
Beyma12WRS400
£122.29 · 79% less, betterFs42 Hz +83%, worse
Qts0.29 +4%
Vas91 L −46%, better
BL17.4 T·m +34%, better
Xmax6.3 mm −10%, worse
Sensitivity95.4 dB +5, better
ETON11-612/C8/50 RP
£150.67 · 74% less, betterFs24 Hz +4%
Qts0.29 +4%
Vas152 L −11%, better
BL11.4 T·m −12%, worse
Xmax5 mm −29%, worse
Sensitivity90.5 dB –
Beyma12G40
£153.72 · 74% less, betterFs44 Hz +91%, worse
Qts0.30 +7%
Vas81 L −52%, better
BL18.4 T·m +42%, better
Xmax7 mm –
Sensitivity95.6 dB +5.2, better
LavoceWAN123.00
£163.28 · 72% less, betterFs49 Hz +113%, worse
Qts0.27 −4%
Vas68.8 L −60%, better
BL17.9 T·m +38%, better
Xmax6.9 mm –
Sensitivity96.6 dB +6.2, better
Eighteen Sound12W750
£166.62 · 72% less, betterFs55 Hz +139%, worse
Qts0.27 −4%
Vas58 L −66%, better
BL15.5 T·m +19%, better
Xmax7 mm –
Sensitivity97.4 dB +7, better
Beyma12MCB700
£174.16 · 70% less, betterFs51 Hz +122%, worse
Qts0.27 −4%
Vas59.5 L −65%, better
BL20.4 T·m +57%, better
Xmax7 mm –
Sensitivity96.4 dB +6, better
PRV Audio12MR2000X
£186.95 · 68% less, betterFs65 Hz +181%, worse
Qts0.28 –
Vas39.6 L −77%, better
BL23.2 T·m +78%, better
Xmax6.6 mm −6%
Sensitivity97.9 dB +7.5, better
Eighteen Sound12NMB420
£187.96 · 68% less, betterFs53 Hz +130%, worse
Qts0.28 –
Vas105 L −38%, better
BL13.9 T·m +7%
Xmax4 mm −43%, worse
Sensitivity99.2 dB +8.8, better
FaitalPRO12FH520
£192.23 · 67% less, betterFs50 Hz +117%, worse
Qts0.27 −4%
Vas65.5 L −61%, better
BL15.3 T·m +18%, better
Xmax7 mm –
Sensitivity96.7 dB +6.3, better
SB AcousticsSB34NRXL75-8
£218.43 · 63% less, betterFs22 Hz −4%
Qts0.28 –
Vas205 L +21%, worse
BL16.6 T·m +28%, better
Xmax10 mm +43%, better
Sensitivity90.8 dB –
Eighteen Sound12NDA520
£230.40 · 61% less, betterFs50 Hz +117%, worse
Qts0.27 −4%
Vas111 L −35%, better
BL14.4 T·m +11%, better
Xmax4 mm −43%, worse
Sensitivity99 dB +8.6, better
VisatonTIW 300
£411.54 · 30% less, betterFs25 Hz +9%
Qts0.28 –
Vas160 L −6%
BL16.5 T·m +27%, better
Xmax7.5 mm +7%
Sensitivity91.2 dB +0.8
Scanspeak28W/4878T01
£586.08 · Same priceFs23 Hz –
Qts0.26 −7%
Vas104 L −39%, better
BL12 T·m −8%
Xmax7 mm –
Sensitivity88.7 dB −1.7
Scanspeak28W/8878T01
£586.08 · Same priceFs22 Hz −4%
Qts0.31 +11%, worse
Vas116 L −32%, better
BL14.9 T·m +15%, better
Xmax7.5 mm +7%
Sensitivity87.8 dB −2.6, worse
Scanspeak28W/4878T00
£586.08 · Same priceFs18 Hz −22%, better
Qts0.30 +7%
Vas127 L −25%, better
BL11.2 T·m −14%, worse
Xmax14 mm +100%, better
Sensitivity85.7 dB −4.7, worse
Scanspeak32W/4878T00
£623.94 · 6% more, worseFs18 Hz −22%, better
Qts0.32 +14%, worse
Vas204 L +20%, worse
BL12.5 T·m −4%
Xmax14 mm +100%, better
Sensitivity87.6 dB −2.8, worse
Scanspeak32W/4878T11
£644.69 · 10% more, worseFs24 Hz +4%
Qts0.21 −25%, better
Vas185 L +9%
BL14 T·m +8%
Xmax7 mm –
Sensitivity92.7 dB +2.3, better
Scanspeak32W/8878T11
£644.69 · 10% more, worseFs21 Hz −9%
Qts0.26 −7%
Vas235 L +38%, worse
BL16.5 T·m +27%, better
Xmax7.5 mm +7%
Sensitivity90.9 dB +0.5
Acoustic EleganceTD12M-4
No current priceFs38 Hz +66%, worse
Qts0.25 −11%, better
Vas140 L −18%, better
BL11.9 T·m −8%
Xmax6 mm −14%, worse
Sensitivity96.3 dB +5.9, better
PRV Audio12MB1000FT-4
No current priceFs46 Hz +99%, worse
Qts0.27 −4%
Vas95.5 L −44%, better
BL14.5 T·m +12%, better
Xmax6.1 mm −12%, worse
Sensitivity97.1 dB +6.7, better
Acoustic EleganceTD12X-4
No current priceFs34 Hz +48%, worse
Qts0.28 –
Vas160 L −6%
BL10.1 T·m −22%, worse
Xmax14 mm +100%, better
Sensitivity95.1 dB +4.7, better
Acoustic EleganceTD12X-8
No current priceFs34 Hz +48%, worse
Qts0.28 –
Vas160 L −6%
BL16.4 T·m +26%, better
Xmax14 mm +100%, better
Sensitivity95.1 dB +4.7, better
REDCATT123FPM
No current priceFs45 Hz +96%, worse
Qts0.27 −4%
Vas98.5 L −42%, better
BL12.8 T·m –
Xmax2.8 mm −61%, worse
Sensitivity96.9 dB +6.5, better
CelestionFTR12-4075F
No current priceFs37 Hz +61%, worse
Qts0.27 –
Vas89.2 L −48%, better
BL12.6 T·m −3%
Xmax9 mm +29%, better
Sensitivity94 dB +3.6, better
Eighteen Sound12NTLW2500
No current priceFs52 Hz +126%, worse
Qts0.31 +11%, worse
Vas52.7 L −69%, better
BL14.4 T·m +11%, better
Xmax7.6 mm +9%
Sensitivity95.7 dB +5.3, better
Audio Technology12 B 77 25 10
No current priceFs25 Hz +9%
Qts0.30 +7%
Vas250 L +47%, worse
BL12.4 T·m −5%
Xmax8.6 mm +23%, better
Sensitivity92.6 dB +2.2, better
Acoustic EleganceTD12M-8
No current priceFs38 Hz +66%, worse
Qts0.25 −11%, better
Vas140 L −18%, better
BL17 T·m +31%, better
Xmax6 mm −14%, worse
Sensitivity96.6 dB +6.2, 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 |
|---|---|---|---|---|
SoundImports Import VAT and duty may apply | £586.08, the lowest price | 3 in stock | Visit shop at SoundImports |
Best price over time
Tracked since 1 Apr