FaitalPRO3FE25
£8.68 · 32% less, betterFs110 Hz −18%, better
Qts0.66 −12%, better
Vas1.3 L –
BL3.6 T·m −25%, worse
Xmax1.8 mm +66%, better
Sensitivity85.4 dB −2.5, worse
4-inch LF driver · 25 mm voice coil · 20 W
REDCATT 41FR 8Ω
8 Ω
£12.76
Lautsprecherteile · 15 in stock · All 1 offer
- Fs
- 134Hz
- Xmax
- 1.1mm
- SPL
- 88dB
- Pe
- 20W
- BL
- 4.8T·m
- Vd
- 6cm³
- Qts
- 0.75
- Vas
- 1L
REDCATT 41FR is a 4-inch 8 ohm LF driver rated at 20 W RMS. The validated T/S data includes Fs 134 Hz, Qts 0.75, Vas 1.3 L, Xmax 1.1 mm, sensitivity 87.9 dB, plus 6 cm³ Vd and 165 EBP. bits tracks UK vendor pricing, price movement, datasheet links, simulator import data, and similar drivers, with a current best price of £12.76.
The published T/S values agree with each other
Thiele/Small
- Fs
- 134Hz
- Qts
- 0.75
- Qes
- 0.81
- Qms
- 10.6
- Vas
- 1.3L
- Re
- 5.6Ω
- Le
- 0.09mH
Motor and cone
- BL
- 4.8T·m
- Sd
- 50cm²
- Mms
- 4g
- Xmax
- 1.1mm
- Vd †
- 6cm³
- Voice coil
- 25mm
Power and response
- Sensitivity †
- 87.9dB
- Manufacturer sensitivity
- 89.4dB
- Power
- 20W
- Impedance
- 8Ω
- EBP †
- 165 · Leans vented
Size and mounting
- Diameter
- 105.5mm
- Cutout
- 93.6mm
- Bolt circle
- 106mm
- Weight
- 0.8kg
Other published values
- Xmech
- 6.1
- Power Peak
- 80
Other dimensions
- Mounting Depth
- 55.9
Sensitivity shows 87.9 dB, calculated from the T/S values. REDCATT publishes 89.4 dB, 1.5 dB apart.
† Calculated by bits from the published values
What this validation status means
Everything else REDCATT lists
LF · Primary · 4″
- BL
- 4.8T·m
- Fs
- 134Hz
- Le
- 0.09mH
- Re
- 5.6Ω
- Sd
- 50cm²
- Mms
- 4g
- Qes
- 0.81
- Qms
- 10.6
- Qts
- 0.75
- SPL
- 87.9dB
- Vas
- 1.3L
- Xmax
- 1.1mm
- Xmech
- 6.1
- Power
- 20W
- Impedance
- 8Ω
- Power Peak
- 80
- Sensitivity
- 89.4dB
- Calculated sensitivity †
- 87.9dB
- Manufacturer sensitivity
- 89.4dB
- Voice coil
- 25mm
- Weight
- 0.8kg
- Diameter
- 105.5mm
- Mounting Depth
- 55.9
- Cutout
- 93.6mm
- Bolt circle
- 106mm
02
Compare
Same-size drivers, compared with the 41FR. Clear differences are green when better and red when worse.
This driver41FR
Best price
£12.76
Fs
134 Hz
Qts
0.75
Vas
1.3 L
BL
4.8 T·m
Xmax
1.1 mm
Sensitivity
87.9 dB
Power
20 W
LavoceFSF030.70
£9.23 · 28% less, betterFs123 Hz −8%
Qts0.77 –
Vas1.2 L −10%, better
BL3.5 T·m −27%, worse
Xmax2.1 mm +91%, better
Sensitivity85.9 dB −2, worse
Dayton AudioCE81PF-8
£12.76 · Same priceFs97 Hz −28%, better
Qts0.81 +8%
Vas1.0 L −23%, better
BL3.7 T·m −22%, worse
Xmax2.7 mm +145%, better
Sensitivity82.1 dB −5.8, worse
MonacorSPM-100/8
£13.66 · 7% more, worseFs75 Hz −44%, better
Qts0.67 −11%, better
Vas4 L +208%, worse
BL4.1 T·m −14%, worse
Xmax1 mm −9%
Sensitivity84.3 dB −3.6, worse
LavoceWSF030.70
£13.83 · 8% more, worseFs112 Hz −16%, better
Qts0.61 −19%, better
Vas0.9 L −32%, better
BL4.7 T·m –
Xmax3.3 mm +200%, better
Sensitivity84.5 dB −3.4, worse
PeerlessGBS-85N25PR07-04
£14.73 · 15% more, worseFs130 Hz –
Qts0.70 −7%
Vas0.47 L −64%, better
BL4.5 T·m −6%
Xmax3.0 mm +168%, better
Sensitivity83.1 dB −4.8, worse
MonacorSPX-32M
£18.78 · 47% more, worseFs110 Hz −18%, better
Qts0.56 −25%, better
Vas1.6 L +23%, worse
BL3.7 T·m −23%, worse
Xmax1.1 mm –
Sensitivity87.5 dB –
MonacorSPX-31M
£19.64 · 54% more, worseFs110 Hz −18%, better
Qts0.58 −23%, better
Vas1.3 L –
BL3.6 T·m −24%, worse
Xmax1.1 mm –
Sensitivity86 dB −1.9
MonacorSPX-30M
£20.49 · 61% more, worseFs100 Hz −25%, better
Qts0.71 −5%
Vas1.8 L +38%, worse
BL3.0 T·m −36%, worse
Xmax1.1 mm –
Sensitivity85.1 dB −2.8, worse
EminenceALPHA 3-32
£20.53 · 61% more, worseFs117 Hz −13%, better
Qts0.74 –
Vas1.0 L −25%, better
BL6.5 T·m +35%, better
Xmax2.6 mm +136%, better
Sensitivity84.7 dB −3.2, worse
PeerlessGBS-115N25AL01-04
£21.54 · 69% more, worseFs90 Hz −33%, better
Qts0.63 −16%, better
Vas1.8 L +38%, worse
BL4.5 T·m −5%
Xmax4.8 mm +341%, better
Sensitivity84.3 dB −3.6, worse
Dayton AudioPS95-8
£22.58 · 77% more, worseFs120 Hz −11%, better
Qts0.72 −4%
Vas0.9 L −28%, better
BL3.8 T·m −20%, worse
Xmax2.5 mm +127%, better
Sensitivity85.1 dB −2.8, worse
PeerlessHDS-P830992
£24.37 · 91% more, worseFs120 Hz −10%, better
Qts0.66 −12%, better
Vas1.4 L +7%
BL4.8 T·m –
Xmax5.0 mm +353%, better
Sensitivity86.1 dB −1.8
LavoceFSN030.71
£24.94 · 95% more, worseFs134 Hz –
Qts0.67 −11%, better
Vas1.0 L −20%, better
BL3.8 T·m −20%, worse
Xmax2.1 mm +91%, better
Sensitivity87.3 dB −0.6
CelestionAF3010
£25.60 · 101% more, worseFs129 Hz −4%
Qts0.74 –
Vas0.7 L −48%, better
BL6.0 T·m +25%, better
Xmax2.8 mm +150%, better
Sensitivity84.3 dB −3.6, worse
Sica4 L 1 SL
£26.38 · 107% more, worseFs108 Hz −19%, better
Qts0.63 −16%, better
Vas1.2 L −8%
BL5.1 T·m +7%
Xmax2.4 mm +118%, better
Sensitivity84.9 dB −3, worse
Dayton AudioND90-8
£26.38 · 107% more, worseFs71 Hz −47%, better
Qts0.65 −13%, better
Vas1.8 L +36%, worse
BL4.3 T·m −10%, worse
Xmax4 mm +264%, better
Sensitivity81.2 dB −6.7, worse
CIAREHM100
£28.17 · 121% more, worseFs160 Hz +19%, worse
Qts0.70 −7%
Vas1.1 L −15%, better
BL5.1 T·m +6%
Xmax2.2 mm +100%, better
Sensitivity88.7 dB +0.8
Dayton AudioRS100-8
£30.21 · 137% more, worseFs92 Hz −31%, better
Qts0.58 −23%, better
Vas1.4 L +10%
BL4.2 T·m −12%, worse
Xmax3.5 mm +218%, better
Sensitivity83.7 dB −4.2, worse
CelestionAN3510
£42.68 · 234% more, worseFs113 Hz −15%, better
Qts0.65 −14%, better
Vas1.9 L +44%, worse
BL4.6 T·m −5%
Xmax2.3 mm +105%, better
Sensitivity87.7 dB –
WavecorWF090WA02
£58.23 · 356% more, worseFs109 Hz −19%, better
Qts0.76 –
Vas1.1 L −12%, better
BL3.5 T·m −27%, worse
Xmax2.8 mm +150%, better
Sensitivity84.3 dB −3.6, worse
B&C4CXN36
£106.44 · 734% more, worseFs113 Hz −16%, better
Qts0.83 +11%, worse
Vas1.5 L +15%, worse
BL5.1 T·m +7%
Xmax5 mm +355%, better
Sensitivity85.8 dB −2.1, worse
EminenceALPHA 4-8
No current priceFs123 Hz −8%
Qts0.75 –
Vas1.9 L +49%, worse
BL4.9 T·m +3%
Xmax2.6 mm +136%, better
Sensitivity88.4 dB +0.5
PeerlessPLS-75F25AL02-08
No current priceFs100 Hz −25%, better
Qts0.74 –
Vas1.1 L −17%, better
BL3.6 T·m −25%, worse
Xmax3.4 mm +207%, better
Sensitivity83.1 dB −4.8, worse
REDCATT35FR-2
No current priceFs128 Hz −4%
Qts0.63 −16%, better
Vas1.1 L −12%, better
BL4.8 T·m –
Xmax2.4 mm +114%, better
Sensitivity87.5 dB –
WavecorFR084WA02
No current priceFs109 Hz −19%, better
Qts0.79 +5%
Vas1.1 L −12%, better
BL3.6 T·m −24%, worse
Xmax2.5 mm +127%, better
Sensitivity84 dB −3.9, worse
Tang BandW3-532SQF
No current priceFs100 Hz −25%, better
Qts0.72 −4%
Vas1.5 L +18%, worse
BL3.2 T·m −32%, worse
Xmax0.5 mm −55%, worse
Sensitivity84.5 dB −3.4, worse
PeerlessHDS-P830870
No current priceFs100 Hz −25%, better
Qts0.60 −20%, better
Vas1.7 L +33%, worse
BL4.9 T·m +3%
Xmax5 mm +355%, better
Sensitivity85 dB −2.9, worse
MonacorAN3510/8
No current priceFs113 Hz −15%, better
Qts0.65 −14%, better
Vas1.9 L +46%, worse
BL4.6 T·m −5%
Xmax2.3 mm +105%, better
Sensitivity87.8 dB –
CIARECM087
No current priceFs122 Hz −9%
Qts0.64 −15%, better
Vas1.2 L −8%
BL2.9 T·m −40%, worse
Xmax1.5 mm +36%, better
Sensitivity86.4 dB −1.5
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 |
|---|---|---|---|---|
Lautsprecherteile | £12.76, the lowest price | 15 in stock | Visit shop at Lautsprecherteile |
Best price over time
Tracked since 1 Oct