Dayton AudioSD315A-88
£96.25 · 85% less, betterFs24 Hz –
Qts0.33 +57%, worse
Vas151.7 L −18%, better
BL11.9 T·m −15%, worse
Xmax7 mm –
Sensitivity89.7 dB −3, worse
12-inch LF driver · Revelator series · 75 mm voice coil · 350 W
Scanspeak 32W/4878T11 4Ω
4 Ω
£644.69
SteadySoundImports · 4 in stock · Ships from Netherlands · All 2 offers
- Fs
- 24Hz
- Xmax
- 7mm
- SPL
- 93dB
- Pe
- 350W
- BL
- 14T·m
- Vd
- 368cm³
- Qts
- 0.21
- Vas
- 185L
Scanspeak 32W/4878T11 is a 12-inch 4 ohm LF driver rated at 350 W RMS. The validated T/S data includes Fs 24 Hz, Qts 0.21, Vas 185 L, Xmax 7 mm, sensitivity 92.7 dB, plus 368 cm³ Vd and 109 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 £644.69.
The published T/S values agree with each other
Thiele/Small
- Fs
- 24Hz
- Qts
- 0.21
- Qes
- 0.22
- Qms
- 4.3
- Vas
- 185L
- Re
- 3.1Ω
- Le
- 0.36mH
Motor and cone
- BL
- 14T·m
- Sd
- 526cm²
- Mms
- 93g
- Xmax
- 7mm
- Vd †
- 368cm³
- Voice coil
- 75mm
Power and response
- Sensitivity †
- 92.7dB
- Manufacturer sensitivity
- 95dB
- Power
- 350W
- Impedance
- 4Ω
- Min. impedance
- 4Ω
- EBP †
- 109 · Leans vented
Size and mounting
- Diameter
- 320mm
Other published values
- Cms
- 0.47mm/N
- Rms
- 3.30kg/s
- Xmech
- 28
- Power Peak
- 700
Sensitivity shows 92.7 dB, calculated from the T/S values. Scanspeak publishes 95.0 dB, 2.3 dB apart.
† Calculated by bits from the published values
What this validation status means
Everything else Scanspeak lists
LF · Primary · 12″
- BL
- 14T·m
- Fs
- 24Hz
- Le
- 0.36mH
- Re
- 3.1Ω
- Sd
- 526cm²
- Cms
- 0.47mm/N
- Mms
- 93g
- Qes
- 0.22
- Qms
- 4.3
- Qts
- 0.21
- Rms
- 3.30kg/s
- SPL
- 92.7dB
- Vas
- 185L
- Xmax
- 7mm
- Xmech
- 28
- Power
- 350W
- Impedance
- 4Ω
- Power Peak
- 700
- Sensitivity
- 95dB
- Calculated sensitivity †
- 92.7dB
- Manufacturer sensitivity
- 95dB
- Min. impedance
- 4Ω
- Voice coil
- 75mm
- Diameter
- 320mm
02
Compare
Same-size drivers, compared with the 32W/4878T11. Clear differences are green when better and red when worse.
This driver32W/4878T11
Best price
£644.69
Fs
24 Hz
Qts
0.21
Vas
185 L
BL
14 T·m
Xmax
7 mm
Sensitivity
92.7 dB
Power
350 W
RCFLF12G301
£109.81 · 83% less, betterFs43 Hz +79%, worse
Qts0.22 +5%
Vas97 L −48%, better
BL19 T·m +36%, better
Xmax7 mm –
Sensitivity97.3 dB +4.6, better
CIAREHW321
£113.81 · 82% less, betterFs27 Hz +13%, worse
Qts0.33 +57%, worse
Vas205 L +11%, worse
BL13.2 T·m −6%
Xmax7.3 mm +4%
Sensitivity92.4 dB –
B&C12CL76
£136.00 · 79% less, betterFs48 Hz +100%, worse
Qts0.21 –
Vas59 L −68%, better
BL22.4 T·m +60%, better
Xmax6 mm −14%, worse
Sensitivity96.8 dB +4.1, better
B&C12NDL76
£169.00 · 74% less, betterFs50 Hz +108%, worse
Qts0.19 −10%
Vas70 L −62%, better
BL16.5 T·m +18%, better
Xmax6 mm −14%, worse
Sensitivity98.4 dB +5.7, better
FaitalPRO12FH500
£173.32 · 73% less, betterFs45 Hz +88%, worse
Qts0.22 +5%
Vas80.3 L −57%, better
BL15.5 T·m +11%, better
Xmax7.3 mm +4%
Sensitivity97.1 dB +4.4, better
Dayton Audio12LF400-8
£192.54 · 70% less, betterFs28 Hz +17%, worse
Qts0.21 –
Vas147.8 L −20%, better
BL21.8 T·m +56%, better
Xmax9.3 mm +32%, better
Sensitivity93.7 dB +1
RCFMB12N351
£225.00 · 65% less, betterFs55 Hz +129%, worse
Qts0.20 −5%
Vas61 L −67%, better
BL22.5 T·m +61%, better
Xmax6 mm −14%, worse
Sensitivity98.9 dB +6.2, better
Eighteen Sound12ND730
£230.40 · 64% less, betterFs45 Hz +88%, worse
Qts0.23 +10%
Vas90 L −51%, better
BL19.2 T·m +37%, better
Xmax6.5 mm −7%
Sensitivity97.4 dB +4.7, better
Eighteen Sound12ND830
£240.31 · 63% less, betterFs58 Hz +142%, worse
Qts0.24 +14%, worse
Vas63 L −66%, better
BL13.7 T·m –
Xmax6.5 mm −7%
Sensitivity98.9 dB +6.2, better
Beyma12P80FE
£247.64 · 62% less, betterFs48 Hz +100%, worse
Qts0.21 –
Vas61 L −67%, better
BL23 T·m +64%, better
Xmax7.5 mm +7%
Sensitivity96.9 dB +4.2, better
Eighteen Sound12ND930
£248.59 · 61% less, betterFs50 Hz +108%, worse
Qts0.21 –
Vas70 L −62%, better
BL21.2 T·m +51%, better
Xmax6.5 mm −7%
Sensitivity98 dB +5.3, better
SB AcousticsWO34HC-4
£279.42 · 57% less, betterFs20 Hz −17%, better
Qts0.23 +10%
Vas233 L +26%, worse
BL15.1 T·m +8%
Xmax8.3 mm +19%, better
Sensitivity90.8 dB −1.9
B&C12CXN76
£382.96 · 41% less, betterFs42 Hz +75%, worse
Qts0.19 −10%
Vas120 L −35%, better
BL17.6 T·m +26%, better
Xmax6 mm −14%, worse
Sensitivity98.5 dB +5.8, better
B&C12HCX76
£385.07 · 40% less, betterFs42 Hz +75%, worse
Qts0.19 −10%
Vas120 L −35%, better
BL17.6 T·m +26%, better
Xmax6 mm −14%, worse
Sensitivity98.5 dB +5.8, better
LavoceCAN123.00T
£401.07 · 38% less, betterFs46 Hz +92%, worse
Qts0.22 +5%
Vas91 L −51%, better
BL18.5 T·m +32%, better
Xmax6 mm −14%, worse
Sensitivity97.9 dB +5.2, better
Beyma12XA30ND
£493.97 · 23% less, betterFs35 Hz +46%, worse
Qts0.21 –
Vas172 L −7%
BL15.3 T·m +9%
Xmax4 mm −43%, worse
Sensitivity97.3 dB +4.6, better
Scanspeak32W/4878T01
£586.08 · 9% less, betterFs23 Hz −4%
Qts0.28 +33%, worse
Vas170 L −8%
BL13 T·m −7%
Xmax7 mm –
Sensitivity90.4 dB −2.3, worse
Scanspeak28W/4878T01
£586.08 · 9% less, betterFs23 Hz −4%
Qts0.26 +24%, worse
Vas104 L −44%, better
BL12 T·m −14%, worse
Xmax7 mm –
Sensitivity88.7 dB −4, worse
Supravox285-2000 MK2
No current priceFs47 Hz +96%, worse
Qts0.21 –
Vas159 L −14%, better
BL13.3 T·m −5%
Xmax3.5 mm −50%, worse
Sensitivity100.8 dB +8.1, better
Acoustic EleganceTD12H-4
No current priceFs27 Hz +11%, worse
Qts0.23 +10%
Vas160 L −14%, better
BL14.4 T·m –
Xmax14 mm +100%, better
Sensitivity92.9 dB –
RCFLF12G801
No current priceFs43 Hz +79%, worse
Qts0.22 +5%
Vas97 L −48%, better
BL19 T·m +36%, better
Xmax7 mm –
Sensitivity97.3 dB +4.6, better
RCFLF12P901
No current priceFs43 Hz +79%, worse
Qts0.22 +5%
Vas97 L −48%, better
BL19 T·m +36%, better
Xmax7 mm –
Sensitivity97.3 dB +4.6, better
RCFMB12N405
No current priceFs52 Hz +117%, worse
Qts0.20 −5%
Vas53 L −71%, better
BL23.5 T·m +68%, better
Xmax7 mm –
Sensitivity97.5 dB +4.8, better
Precision DevicesPD.1225C001
No current priceFs39 Hz +63%, worse
Qts0.19 −10%
Vas156 L −16%, better
BL17.5 T·m +25%, better
Xmax5.6 mm −20%, worse
Sensitivity98.8 dB +6.1, better
LavoceCAN123.00TH
No current priceFs46 Hz +92%, worse
Qts0.22 +5%
Vas91 L −51%, better
BL18.5 T·m +32%, better
Xmax6 mm −14%, worse
Sensitivity97.9 dB +5.2, better
Oberton12NB450
No current priceFs46 Hz +94%, worse
Qts0.20 –
Vas72.6 L −61%, better
BL20.3 T·m +45%, better
Xmax7.8 mm +11%, better
Sensitivity97.5 dB +4.8, better
RCFLF12P903
No current priceFs47 Hz +96%, worse
Qts0.23 +10%
Vas65 L −65%, better
BL22.1 T·m +58%, better
Xmax7 mm –
Sensitivity96.5 dB +3.8, better
No photo
PHL Audio4330NDU
No current priceFs36 Hz +50%, worse
Qts0.22 +5%
Vas82.6 L −55%, better
BL22 T·m +57%, better
Xmax8 mm +14%, better
Sensitivity94.3 dB +1.6
Eighteen Sound12ND940
No current priceFs49 Hz +104%, worse
Qts0.20 −5%
Vas64.8 L −65%, better
BL22.2 T·m +59%, better
Xmax7.6 mm +9%
Sensitivity97.8 dB +5.1, 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 | £644.69, the lowest price | 4 in stock | Visit shop at SoundImports |
Best price over time
Tracked since 1 Apr