Dayton AudioPA310-8
£83.10Fs39 Hz −13%, better
Qts0.29 +7%
Vas91.8 L −7%
BL18 T·m +41%, better
Xmax5 mm +82%, better
Sensitivity94.6 dB −2.3, worse
12-inch LF driver · 64 mm voice coil · 300 W
REDCATT 123FPM 4Ω
4 Ω
No price for delivery to the UK
- Fs
- 45Hz
- Xmax
- 2.8mm
- SPL
- 97dB
- Pe
- 300W
- BL
- 12.8T·m
- Vd
- 146cm³
- Qts
- 0.27
- Vas
- 99L
REDCATT 123FPM is a 12-inch 4 ohm LF driver rated at 300 W RMS. The validated T/S data includes Fs 45 Hz, Qts 0.27, Vas 98.5 L, Xmax 2.8 mm, sensitivity 96.9 dB, plus 146 cm³ Vd and 155 EBP. bits tracks vendor pricing, datasheet links, simulator import data, and similar drivers from the same loudspeaker database.
The published T/S values agree with each other
Thiele/Small
- Fs
- 45Hz
- Qts
- 0.27
- Qes
- 0.29
- Qms
- 5.0
- Vas
- 98.5L
- Re
- 3.1Ω
- Le
- 0.42mH
Motor and cone
- BL
- 12.8T·m
- Sd
- 531cm²
- Mms
- 52g
- Xmax
- 2.8mm
- Vd †
- 146cm³
- Voice coil
- 64mm
Power and response
- Sensitivity †
- 96.9dB
- Manufacturer sensitivity
- 97.8dB
- Power
- 300W
- Impedance
- 4Ω
- EBP †
- 155 · Leans vented
Size and mounting
- Diameter
- 320mm
- Cutout
- 282mm
- Bolt circle
- 302mm
- Weight
- 5kg
Other published values
- Xmech
- 10.75
- Power Peak
- 1200
Other dimensions
- Mounting Depth
- 127.8
† Calculated by bits from the published values
What this validation status means
Everything else REDCATT lists
LF · Primary · 12″
- BL
- 12.8T·m
- Fs
- 45Hz
- Le
- 0.42mH
- Re
- 3.1Ω
- Sd
- 531cm²
- Mms
- 52g
- Qes
- 0.29
- Qms
- 5.0
- Qts
- 0.27
- SPL
- 96.9dB
- Vas
- 98.5L
- Xmax
- 2.8mm
- Xmech
- 10.75
- Power
- 300W
- Impedance
- 4Ω
- Power Peak
- 1200
- Sensitivity
- 97.8dB
- Calculated sensitivity †
- 96.9dB
- Manufacturer sensitivity
- 97.8dB
- Voice coil
- 64mm
- Weight
- 5kg
- Diameter
- 320mm
- Mounting Depth
- 127.8
- Cutout
- 282mm
- Bolt circle
- 302mm
02
Compare
Same-size drivers, compared with the 123FPM. Clear differences are green when better and red when worse.
This driver123FPM
Best price
–
Fs
45 Hz
Qts
0.27
Vas
98.5 L
BL
12.8 T·m
Xmax
2.8 mm
Sensitivity
96.9 dB
Power
300 W
SB AudienceROSSO-12MW300
£106.55Fs48 Hz +7%
Qts0.27 –
Vas85.9 L −13%, better
BL17.4 T·m +36%, better
Xmax6.7 mm +143%, better
Sensitivity97.3 dB –
Beyma12WRS400
£122.29Fs42 Hz −7%
Qts0.29 +7%
Vas91 L −8%
BL17.4 T·m +36%, better
Xmax6.3 mm +129%, better
Sensitivity95.4 dB −1.5
RCFMB12G301
£142.33Fs53 Hz +18%, worse
Qts0.27 –
Vas72 L −27%, better
BL17 T·m +33%, better
Xmax6 mm +118%, better
Sensitivity97.9 dB +1
Beyma12WR400
£143.71Fs42 Hz −7%
Qts0.27 –
Vas91 L −8%
BL18 T·m +41%, better
Xmax6.3 mm +129%, better
Sensitivity95.8 dB −1.1
EminenceKAPPA-12A
£152.07Fs45 Hz –
Qts0.27 –
Vas112.1 L +14%, worse
BL15.2 T·m +19%, better
Xmax3.2 mm +16%, better
Sensitivity97.6 dB +0.7
LavoceWAN123.00
£163.28Fs49 Hz +9%
Qts0.27 –
Vas68.8 L −30%, better
BL17.9 T·m +40%, better
Xmax6.9 mm +151%, better
Sensitivity96.6 dB –
Eighteen Sound12W750
£168.12Fs55 Hz +22%, worse
Qts0.27 –
Vas58 L −41%, better
BL15.5 T·m +21%, better
Xmax7 mm +155%, better
Sensitivity97.4 dB +0.5
Eighteen Sound12MB700
£173.19Fs46 Hz –
Qts0.25 −7%
Vas100 L –
BL22.1 T·m +73%, better
Xmax4.5 mm +64%, better
Sensitivity97.8 dB +0.9
Eighteen Sound12NMB420
£187.96Fs53 Hz +18%, worse
Qts0.28 +4%
Vas105 L +7%
BL13.9 T·m +9%
Xmax4 mm +45%, better
Sensitivity99.2 dB +2.3, better
FaitalPRO12FH520
£192.23Fs50 Hz +11%, worse
Qts0.27 –
Vas65.5 L −34%, better
BL15.3 T·m +20%, better
Xmax7 mm +155%, better
Sensitivity96.7 dB –
Sica12 N 3 PL
£209.51Fs46 Hz –
Qts0.30 +11%, worse
Vas87.9 L −11%, better
BL16 T·m +25%, better
Xmax5.5 mm +100%, better
Sensitivity96.4 dB −0.5
BMS12S305
£213.05Fs35 Hz −22%, better
Qts0.27 –
Vas82 L −17%, better
BL20.1 T·m +57%, better
Xmax11 mm +300%, better
Sensitivity93 dB −3.9, worse
Eighteen Sound12NDA520
£230.40Fs50 Hz +11%, worse
Qts0.27 –
Vas111 L +13%, worse
BL14.4 T·m +12%, better
Xmax4 mm +45%, better
Sensitivity99 dB +2.1, better
Eighteen Sound12ND830
£242.46Fs58 Hz +29%, worse
Qts0.24 −11%, better
Vas63 L −36%, better
BL13.7 T·m +7%
Xmax6.5 mm +136%, better
Sensitivity98.9 dB +2, better
Beyma12CXA400FE
£337.46Fs42 Hz −7%
Qts0.25 −7%
Vas94 L −5%
BL19.8 T·m +55%, better
Xmax6 mm +118%, better
Sensitivity96.3 dB −0.6
Scanspeak28W/4878T01
£591.32Fs23 Hz −49%, better
Qts0.26 −4%
Vas104 L +6%
BL12 T·m −6%
Xmax7 mm +155%, better
Sensitivity88.7 dB −8.2, worse
Scanspeak32W/4878T01
£591.32Fs23 Hz −49%, better
Qts0.28 +4%
Vas170 L +73%, worse
BL13 T·m –
Xmax7 mm +155%, better
Sensitivity90.4 dB −6.5, worse
Scanspeak28W/4878T00
£591.32Fs18 Hz −60%, better
Qts0.30 +11%, worse
Vas127 L +29%, worse
BL11.2 T·m −13%, worse
Xmax14 mm +409%, better
Sensitivity85.7 dB −11.2, worse
CelestionFTR12-4075F
No current priceFs37 Hz −18%, better
Qts0.27 –
Vas89.2 L −9%
BL12.6 T·m –
Xmax9 mm +227%, better
Sensitivity94 dB −2.9, worse
PRV Audio12MB1000FT-4
No current priceFs46 Hz –
Qts0.27 –
Vas95.5 L −3%
BL14.5 T·m +13%, better
Xmax6.1 mm +123%, better
Sensitivity97.1 dB –
EminenceLEGEND EM12
No current priceFs49 Hz +9%
Qts0.28 +4%
Vas102.3 L +4%
BL16.9 T·m +32%, better
Xmax1.3 mm −54%, worse
Sensitivity98.2 dB +1.3
Acoustic EleganceTD12M-4
No current priceFs38 Hz −15%, better
Qts0.25 −7%
Vas140 L +42%, worse
BL11.9 T·m −7%
Xmax6 mm +118%, better
Sensitivity96.3 dB −0.6
Oberton12L300
No current priceFs54 Hz +20%, worse
Qts0.25 −6%
Vas79.6 L −19%, better
BL16.8 T·m +31%, better
Xmax3.3 mm +18%, better
Sensitivity98.8 dB +1.9
No photo
PHL Audio4031
No current priceFs44 Hz –
Qts0.27 –
Vas70 L −29%, better
BL20.5 T·m +60%, better
Xmax7.5 mm +173%, better
Sensitivity95.2 dB −1.7
No photo
PHL Audio4031NDU
No current priceFs44 Hz –
Qts0.27 –
Vas70 L −29%, better
BL20.5 T·m +60%, better
Xmax7.5 mm +173%, better
Sensitivity95.2 dB −1.7
CelestionTN1225
No current priceFs61 Hz +36%, worse
Qts0.31 +13%, worse
Vas63.7 L −35%, better
BL15.8 T·m +23%, better
Xmax2.5 mm −9%
Sensitivity98.4 dB +1.5
CIAREPWA12.64
No current priceFs56 Hz +24%, worse
Qts0.30 +11%, worse
Vas57 L −42%, better
BL13.7 T·m +7%
Xmax4.3 mm +56%, better
Sensitivity97.1 dB –
ETON11-612/C8/50 RP
No current priceFs24 Hz −47%, better
Qts0.29 +7%
Vas152 L +54%, worse
BL11.4 T·m −11%, worse
Xmax5 mm +82%, better
Sensitivity90.5 dB −6.4, worse
BMS12S302
No current priceFs45 Hz –
Qts0.25 −6%
Vas65 L −34%, better
BL15.7 T·m +22%, better
Xmax4.5 mm +64%, better
Sensitivity95.5 dB −1.4
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.