BishopSoundBSP12
£55.00 · 48% less, betterFs53 Hz –
Qts0.84 +92%, worse
Vas66.3 L +4%
BL11.0 T·m –
Xmax4.5 mm −6%
Sensitivity92.6 dB −2.2, worse
12-inch LF driver · DELTA series · 500 W
Eminence DELTA-12LFC 4Ω
4 Ω · 45–2300 Hz
£150.00
16%Thomann · In stock · All 6 offers
- Fs
- 52Hz
- Xmax
- 4.8mm
- SPL
- 95dB
- Pe
- 500W
- BL
- 10.9T·m
- Vd
- 243cm³
- Qts
- 0.44
- Vas
- 64L
Eminence DELTA-12LFC is a 12-inch 4 ohm LF driver rated at 500 W RMS. The validated T/S data includes Fs 52 Hz, Qts 0.44, Vas 63.7 L, Xmax 4.8 mm, sensitivity 94.8 dB, plus 243 cm³ Vd and 111 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 £104.88.
The published T/S values agree with each other
Thiele/Small
- Fs
- 52Hz
- Qts
- 0.44
- Qes
- 0.47
- Qms
- 8.2
- Vas
- 63.7L
- Re
- 3.2Ω
- Le
- 0.94mH
Motor and cone
- BL
- 10.9T·m
- Sd
- 507cm²
- Mms
- 53g
- Xmax
- 4.8mm
- Vd †
- 243cm³
Power and response
- Sensitivity †
- 94.8dB
- Manufacturer sensitivity
- 93.1dB
- Power
- 500W
- Impedance
- 4Ω
- Range
- 45–2300Hz
- EBP †
- 111 · Leans vented
Size and mounting
- Diameter
- 305.6mm
- Cutout
- 281.2mm
- Bolt circle
- 294.4mm
- Depth
- 135.9mm
- Weight
- 5.4kg
Other published values
- Cms
- 0.17mm/N
- Xmech
- 13.5
- Power Program
- 1000
Sensitivity shows 94.8 dB, calculated from the T/S values. Eminence publishes 93.1 dB, 1.7 dB apart.
† Calculated by bits from the published values
What this validation status means
Everything else Eminence lists
LF · Primary · 12″
- BL
- 10.9T·m
- Fs
- 52Hz
- Le
- 0.94mH
- Re
- 3.2Ω
- Sd
- 507cm²
- Cms
- 0.17mm/N
- Mms
- 53g
- Qes
- 0.47
- Qms
- 8.2
- Qts
- 0.44
- SPL
- 94.8dB
- Vas
- 63.7L
- Xmax
- 4.8mm
- Xmech
- 13.5
- Power
- 500W
- Impedance
- 4Ω
- Sensitivity
- 93.1dB
- Low limit
- 45Hz
- Power Program
- 1000
- Calculated sensitivity †
- 94.8dB
- High limit
- 2300Hz
- Manufacturer sensitivity
- 93.1dB
- Weight
- 5.4kg
- Diameter
- 305.6mm
- Depth
- 135.9mm
- Cutout
- 281.2mm
- Bolt circle
- 294.4mm
02
Compare
Same-size drivers, compared with the DELTA-12LFC. Clear differences are green when better and red when worse.
This driverDELTA-12LFC
Best price
£104.88
Fs
52 Hz
Qts
0.44
Vas
63.7 L
BL
10.9 T·m
Xmax
4.8 mm
Sensitivity
94.8 dB
Power
500 W
CelestionTF1220
£63.48 · 39% less, betterFs56 Hz +7%
Qts0.39 −12%, better
Vas72.8 L +14%, worse
BL13.9 T·m +28%, better
Xmax4 mm −17%, worse
Sensitivity96.6 dB +1.8
PRV Audio12W800A
£67.36 · 36% less, betterFs50 Hz −4%
Qts0.47 +7%
Vas93.9 L +47%, worse
BL12.7 T·m +17%, better
Xmax5.7 mm +19%, better
Sensitivity95.8 dB +1
CelestionK12H-100TC
£69.74 · 34% less, betterFs56 Hz +7%
Qts0.40 −9%
Vas72.0 L +13%, worse
BL13.6 T·m +24%, better
Xmax3 mm −38%, worse
Sensitivity96.2 dB +1.4
PeerlessFSL-1225R02-08
£71.93 · 31% less, betterFs63 Hz +21%, worse
Qts0.44 –
Vas54.8 L −14%, better
BL14.9 T·m +37%, better
Xmax5.3 mm +10%
Sensitivity96.5 dB +1.7
£73.00 · 30% less, better
Fs47 Hz −10%
Qts0.40 −9%
Vas80 L +26%, worse
BL15.6 T·m +43%, better
Xmax5 mm +4%
Sensitivity94.9 dB –
FaitalPRO12FE300
£76.38 · 27% less, betterFs47 Hz −10%
Qts0.44 –
Vas81.4 L +28%, worse
BL10.9 T·m –
Xmax5.5 mm +14%, better
Sensitivity94.8 dB –
CelestionTF1225
£83.50 · 20% less, betterFs56 Hz +7%
Qts0.37 −16%, better
Vas67.3 L +6%
BL14.3 T·m +31%, better
Xmax4.5 mm −6%
Sensitivity96.4 dB +1.6
CelestionTF1230S
£85.00 · 19% less, betterFs60 Hz +16%, worse
Qts0.37 −15%, better
Vas54.4 L −15%, better
BL16.6 T·m +52%, better
Xmax4.5 mm −6%
Sensitivity96.5 dB +1.7
EminenceBETA-12A
£93.65 · 11% less, betterFs47 Hz −10%
Qts0.46 +5%
Vas120.1 L +89%, worse
BL10.8 T·m –
Xmax4.4 mm −8%
Sensitivity96 dB +1.2
EminenceDELTA-12A
£98.89 · 6% less, betterFs55 Hz +6%
Qts0.43 –
Vas81.3 L +28%, worse
BL13.5 T·m +24%, better
Xmax2.4 mm −50%, worse
Sensitivity96.7 dB +1.9
EminenceDELTA-12LFA
£104.88 · Same priceFs51 Hz –
Qts0.47 +7%
Vas67.9 L +7%
BL14.1 T·m +29%, better
Xmax4.8 mm –
Sensitivity94.5 dB –
FaitalPRO12PR300
£136.12 · 30% more, worseFs50 Hz −4%
Qts0.41 −7%
Vas73.9 L +16%, worse
BL11.8 T·m +8%
Xmax4.9 mm –
Sensitivity95.5 dB +0.7
FaitalPRO12PR310
£136.38 · 30% more, worseFs50 Hz −4%
Qts0.42 −5%
Vas77.3 L +21%, worse
BL11.2 T·m –
Xmax4.9 mm –
Sensitivity95.5 dB +0.7
EminenceBASSLITE S2012
£145.00 · 38% more, worseFs48 Hz −8%
Qts0.48 +9%
Vas90.6 L +42%, worse
BL11.7 T·m +7%
Xmax5.2 mm +8%
Sensitivity94.8 dB –
CIARECMI320ND
£149.31 · 42% more, worseFs53 Hz –
Qts0.43 –
Vas70 L +10%
BL10.6 T·m –
Xmax5 mm +4%
Sensitivity95.8 dB +1
FaitalPRO12HX230
£250.31 · 139% more, worseFs55 Hz +6%
Qts0.43 –
Vas67.7 L +6%
BL14.1 T·m +29%, better
Xmax7.4 mm +54%, better
Sensitivity95.9 dB +1.1
CIAREFXI12
No current priceFs55 Hz +6%
Qts0.44 –
Vas70 L +10%
BL10.7 T·m –
Xmax5 mm +4%
Sensitivity96.2 dB +1.4
Sica12 C 2 CP
No current priceFs58 Hz +12%, worse
Qts0.45 –
Vas74.3 L +17%, worse
BL13.7 T·m +26%, better
Xmax4.5 mm −6%
Sensitivity96.8 dB +2, better
LavoceFBASS12-20
No current priceFs53 Hz –
Qts0.46 +5%
Vas75.4 L +18%, worse
BL13.3 T·m +22%, better
Xmax4.3 mm −10%, worse
Sensitivity95.5 dB +0.7
JensenBS10N250A-8
No current priceFs58 Hz +12%, worse
Qts0.43 –
Vas30.9 L −51%, better
BL12.9 T·m +19%, better
Xmax5 mm +4%
Sensitivity93.2 dB −1.6
JensenN12D-4
No current priceFs63 Hz +20%, worse
Qts0.37 −16%, better
Vas63.8 L –
BL10.1 T·m −7%
Xmax1 mm −79%, worse
Sensitivity97.4 dB +2.6, better
FaitalPRO12FE400
No current priceFs55 Hz +6%
Qts0.52 +18%, worse
Vas69.1 L +8%
BL10.2 T·m −6%
Xmax5.4 mm +13%, better
Sensitivity95.2 dB –
EminenceDELTALITE 2512
No current priceFs53 Hz –
Qts0.52 +18%, worse
Vas67.4 L +6%
BL11.6 T·m +6%
Xmax4.9 mm –
Sensitivity94 dB −0.8
JensenC12D-4
No current priceFs63 Hz +20%, worse
Qts0.37 −16%, better
Vas63.8 L –
BL10.1 T·m −7%
Xmax1 mm −79%, worse
Sensitivity97.5 dB +2.7, better
JensenBS12N250A-8
No current priceFs47 Hz −10%
Qts0.43 –
Vas81.3 L +28%, worse
BL14.4 T·m +32%, better
Xmax5.5 mm +15%, better
Sensitivity94.8 dB –
P.Audio12FT-76MB
No current priceFs50 Hz −4%
Qts0.40 −9%
Vas46.5 L −27%, better
BL18.9 T·m +73%, better
Xmax4.8 mm –
Sensitivity93.4 dB −1.4
LavoceLBASS12-15
No current priceFs38 Hz −27%, better
Qts0.48 +9%
Vas160.9 L +153%, worse
BL10.1 T·m −8%
Xmax4.7 mm –
Sensitivity94 dB −0.8
FaneCOLOSSUS 12MBN
No current priceFs55 Hz +6%
Qts0.40 −10%
Vas56 L −12%, better
BL16.6 T·m +52%, better
Xmax5.5 mm +15%, better
Sensitivity95.3 dB +0.5
P.Audio12BMA-300B
No current priceFs61 Hz +17%, worse
Qts0.49 +11%, worse
Vas54.4 L −15%, better
BL13.7 T·m +26%, better
Xmax4 mm −17%, worse
Sensitivity95.7 dB +0.9
Tune the match
Choose the published values that matter to your design. Size stays matched to this driver.
Qts
Qes
VasL
Xmaxmm
BLTm
- Thomann4.7 out of 525 ratings · Checked 21 Oct 2026Read reviews on Thomann
- Parts Express4.9 out of 514 ratings · Checked 21 Oct 2026Read reviews on Parts Express
Each shop collects its own ratings. Bits shows them as published and doesn't verify them.
| Shop | Price | Against the lowest | Stock | Link |
|---|---|---|---|---|
Thomann | £150.00, the lowest price | In stock | Visit shop at Thomann | |
Lean Business | £121.98 | Out of stock | Visit shop at Lean Business | |
Lean Audio | £121.98 | Back order | Visit shop at Lean Audio | |
Blue Aran 4-6 weeks | £129.48 | Usually available in 4-6 weeks | Visit shop at Blue Aran | |
Parts Express Import VAT and duty may apply | £104.88 | 8 in stock | Visit shop at Parts Express |
Best price over time
Tracked since 1 Apr
Recent changes
- 14 OctThomann£151.00 → £150.00Down 0.7% from £151.00
- 6 OctThomann£153.00 → £151.00Down 1.3% from £153.00
- 28 SepThomann£152.00 → £153.00Up 0.7% from £152.00