VisatonFR 10 HM - 4 Ohm
£8.49 · 67% less, betterFs120 Hz +4%
Qts1.13 –
Vas2.1 L +40%, worse
BL2.1 T·m −60%, worse
Xmax2 mm +344%, better
Sensitivity86 dB +1.5
4-inch LF driver · 19 mm voice coil · 25 W
REDCATT 40NFR 16Ω
16 Ω
£25.57
Lautsprecherteile · 16 in stock · All 1 offer
- Fs
- 115Hz
- Xmax
- 0.45mm
- SPL
- 85dB
- Pe
- 25W
- BL
- 5.3T·m
- Vd
- 2cm³
- Qts
- 1.10
- Vas
- 2L
REDCATT 40NFR is a 4-inch 16 ohm LF driver rated at 25 W RMS. The validated T/S data includes Fs 115 Hz, Qts 1.10, Vas 1.5 L, Xmax 0.45 mm, sensitivity 84.5 dB, plus 2 cm³ Vd and 88 EBP. bits tracks UK vendor pricing, price movement, datasheet links, simulator import data, and similar drivers, with a current best price of £25.57.
The published T/S values agree with each other
Thiele/Small
- Fs
- 115Hz
- Qts
- 1.10
- Qes
- 1.30
- Qms
- 6.2
- Vas
- 1.5L
- Re
- 12.3Ω
- Le
- 0.20mH
Motor and cone
- BL
- 5.3T·m
- Sd
- 50cm²
- Mms
- 4g
- Xmax
- 0.45mm
- Vd †
- 2cm³
- Voice coil
- 19mm
Power and response
- Sensitivity †
- 84.5dB
- Manufacturer sensitivity
- 85.5dB
- Power
- 25W
- Impedance
- 16Ω
- EBP †
- 88 · Sealed or vented
Size and mounting
- Diameter
- 103.5mm
- Cutout
- 91mm
- Bolt circle
- 115mm
- Weight
- 0.2kg
Other published values
- Xmech
- 4.45
- Power Peak
- 100
Other dimensions
- Mounting Depth
- 50.5
Sensitivity shows 84.5 dB, calculated from the T/S values. REDCATT publishes 85.5 dB, 1.0 dB apart.
† Calculated by bits from the published values
What this validation status means
Everything else REDCATT lists
LF · Primary · 4″
- BL
- 5.3T·m
- Fs
- 115Hz
- Le
- 0.20mH
- Re
- 12.3Ω
- Sd
- 50cm²
- Mms
- 4g
- Qes
- 1.30
- Qms
- 6.2
- Qts
- 1.10
- SPL
- 84.5dB
- Vas
- 1.5L
- Xmax
- 0.45mm
- Xmech
- 4.45
- Power
- 25W
- Impedance
- 16Ω
- Power Peak
- 100
- Sensitivity
- 85.5dB
- Calculated sensitivity †
- 84.5dB
- Manufacturer sensitivity
- 85.5dB
- Voice coil
- 19mm
- Weight
- 0.2kg
- Diameter
- 103.5mm
- Mounting Depth
- 50.5
- Cutout
- 91mm
- Bolt circle
- 115mm
02
Compare
Same-size drivers, compared with the 40NFR. Clear differences are green when better and red when worse.
This driver40NFR
Best price
£25.57
Fs
115 Hz
Qts
1.10
Vas
1.5 L
BL
5.3 T·m
Xmax
0.45 mm
Sensitivity
84.5 dB
Power
25 W
FaitalPRO3FE25
£8.68 · 66% less, betterFs110 Hz −4%
Qts0.83 −25%, better
Vas1.3 L −13%, better
BL4.5 T·m −15%, worse
Xmax1.8 mm +307%, better
Sensitivity84.4 dB –
VisatonFR 8
£10.31 · 60% less, betterFs150 Hz +30%, worse
Qts1.09 –
Vas0.7 L −53%, better
BL2.5 T·m −53%, worse
Xmax2 mm +344%, better
Sensitivity84.4 dB –
Dayton AudioCE78PF-4
£11.06 · 57% less, betterFs100 Hz −13%, better
Qts0.99 −10%, better
Vas1.1 L −24%, better
BL2.2 T·m −58%, worse
Xmax1.4 mm +211%, better
Sensitivity81.3 dB −3.2, worse
VisatonFRS 8
£13.19 · 48% less, betterFs120 Hz +4%
Qts1.04 −5%
Vas0.9 L −40%, better
BL3.2 T·m −40%, worse
Xmax2.5 mm +456%, better
Sensitivity82.7 dB −1.8
REDCATT35FR-1
£13.31 · 48% less, betterFs67 Hz −42%, better
Qts0.34 −69%, better
Vas1.6 L +7%
BL5.5 T·m +3%
Xmax0.55 mm +22%, better
Sensitivity83.2 dB −1.3
PeerlessPLS-P830987
£14.78 · 42% less, betterFs110 Hz −4%
Qts1 −9%
Vas1.0 L −34%, better
BL3.0 T·m −44%, worse
Xmax3.4 mm +651%, better
Sensitivity82.4 dB −2.1, worse
FaitalPRO3FE26
£15.02 · 41% less, betterFs150 Hz +30%, worse
Qts1.08 –
Vas0.9 L −40%, better
BL3.9 T·m −26%, worse
Xmax2 mm +344%, better
Sensitivity84.9 dB –
HiViB3S
£15.75 · 38% less, betterFs80 Hz −30%, better
Qts0.93 −15%, better
Vas1.6 L +7%
BL2.9 T·m −45%, worse
Xmax3 mm +567%, better
Sensitivity80.4 dB −4.1, worse
Sica4 D 0.8 CS
£16.22 · 37% less, betterFs140 Hz +22%, worse
Qts0.92 −16%, better
Vas1.2 L −20%, better
BL2.6 T·m −50%, worse
Xmax1.3 mm +189%, better
Sensitivity86.5 dB +2, better
HiViM4N
£17.03 · 33% less, betterFs69 Hz −40%, better
Qts1.08 –
Vas4.3 L +187%, worse
BL3.1 T·m −42%, worse
Xmax3 mm +567%, better
Sensitivity82.2 dB −2.3, worse
LavoceFSF041.00
£20.40 · 20% less, betterFs132 Hz +15%, worse
Qts0.85 −23%, better
Vas1.6 L +5%
BL4.3 T·m −19%, worse
Xmax2.2 mm +389%, better
Sensitivity87.3 dB +2.8, better
Dayton AudioND91-8
£21.14 · 17% less, betterFs71 Hz −39%, better
Qts0.47 −57%, better
Vas1.5 L –
BL5.6 T·m +6%
Xmax5.1 mm +1033%, better
Sensitivity82.1 dB −2.4, worse
VisatonSC 8 N
£22.06 · 14% less, betterFs110 Hz −4%
Qts0.97 −12%, better
Vas1.5 L –
BL2.4 T·m −55%, worse
Xmax3 mm +567%, better
Sensitivity83.9 dB −0.6
PeerlessHDS-P830992
£24.37 · 5% lessFs120 Hz +4%
Qts0.66 −40%, better
Vas1.4 L −7%
BL4.8 T·m −8%
Xmax5.0 mm +1007%, better
Sensitivity86.1 dB +1.6
Sica3 L 0.8 SL
£27.28 · 7% more, worseFs145 Hz +26%, worse
Qts1.01 −8%
Vas0.8 L −47%, better
BL2.8 T·m −47%, worse
Xmax1.5 mm +233%, better
Sensitivity84.8 dB –
CIAREHM100
£28.17 · 10% more, worseFs160 Hz +39%, worse
Qts0.70 −36%, better
Vas1.1 L −27%, better
BL5.1 T·m −4%
Xmax2.2 mm +389%, better
Sensitivity88.7 dB +4.2, better
Dayton AudioRS75-8
£29.80 · 17% more, worseFs185 Hz +61%, worse
Qts1.07 –
Vas0.11 L −92%, better
BL2.5 T·m −52%, worse
Xmax1.3 mm +189%, better
Sensitivity79.3 dB −5.2, worse
VisatonFRS 10 WP
£58.81 · 130% more, worseFs190 Hz +65%, worse
Qts0.98 −11%, better
Vas1.9 L +27%, worse
BL4.3 T·m −19%, worse
Xmax3 mm +567%, better
Sensitivity92.7 dB +8.2, better
Tang BandW3-1335SB
£63.18 · 147% more, worseFs100 Hz −13%, better
Qts0.34 −69%, better
Vas1.2 L −19%, better
BL5.2 T·m –
Xmax0.5 mm +11%, better
Sensitivity86.3 dB +1.8
B&C4CXN36
£67.54 · 164% more, worseFs110 Hz −4%
Qts0.97 −12%, better
Vas1.6 L +7%
BL6.4 T·m +21%, better
Xmax5 mm +1011%, better
Sensitivity85.1 dB +0.6
VisatonSC 8 N - 8 OHM
No current priceFs110 Hz −4%
Qts0.97 −12%, better
Vas1.5 L –
BL2.4 T·m −55%, worse
Xmax3 mm +567%, better
Sensitivity83.9 dB −0.6
B&C4MCX36
No current priceFs150 Hz +30%, worse
Qts0.91 −17%, better
Vas0.8 L −47%, better
BL5.3 T·m –
Xmax3 mm +567%, better
Sensitivity85.6 dB +1.1
Tang BandW3-1318SA
No current priceFs100 Hz −13%, better
Qts0.31 −72%, better
Vas1.2 L −18%, better
BL5.3 T·m –
Xmax0.4 mm −11%, worse
Sensitivity86.9 dB +2.4, better
WavecorFR084OM02
No current priceFs117 Hz –
Qts1.06 −4%
Vas1.1 L −28%, better
BL3.4 T·m −36%, worse
Xmax2.3 mm +400%, better
Sensitivity83.6 dB −0.9
VisatonFRS 8 - 8 Ohm
No current priceFs120 Hz +4%
Qts1.04 −5%
Vas0.9 L −40%, better
BL3.2 T·m −40%, worse
Xmax2.5 mm +456%, better
Sensitivity82.7 dB −1.8
PeerlessTC8FD00-08
No current priceFs130 Hz +13%, worse
Qts0.96 −13%, better
Vas1.0 L −32%, better
BL3.1 T·m −41%, worse
Xmax3.4 mm +656%, better
Sensitivity84.4 dB –
SEASH1600-08 FU10RB
No current priceFs102 Hz −11%, better
Qts0.96 −13%, better
Vas1 L −33%, better
BL3.6 T·m −33%, worse
Xmax2 mm +344%, better
Sensitivity81 dB −3.5, worse
VisatonFR 8 - 4 OHM
No current priceFs150 Hz +30%, worse
Qts1.05 −5%
Vas0.6 L −60%, better
BL2.1 T·m −60%, worse
Xmax2 mm +344%, better
Sensitivity84 dB −0.5
CIAREPA101
No current priceFs207 Hz +80%, worse
Qts1.03 −6%
Vas0.5 L −67%, better
BL6.7 T·m +26%, better
Xmax3 mm +567%, better
Sensitivity87.1 dB +2.6, 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 |
|---|---|---|---|---|
Lautsprecherteile | £25.57, the lowest price | 16 in stock | Visit shop at Lautsprecherteile |
Best price over time
Tracked since 1 Oct