PeerlessSDS-100F25CP09-04
£13.03 · 7% more, worseFs80 Hz –
Qts0.53 –
Vas2.0 L +9%
BL4.7 T·m –
Xmax5.0 mm +80%, better
Sensitivity84.4 dB +0.7
4-inch LF driver · 25 mm voice coil · 30 W
REDCATT 4FR-1 4Ω
4 Ω
£12.19
Lautsprecherteile · 4 in stock · All 1 offer
- Fs
- 79Hz
- Xmax
- 2.8mm
- SPL
- 84dB
- Pe
- 30W
- BL
- 4.8T·m
- Vd
- 14cm³
- Qts
- 0.52
- Vas
- 2L
REDCATT 4FR-1 is a 4-inch 4 ohm LF driver rated at 30 W RMS. The validated T/S data includes Fs 79 Hz, Qts 0.52, Vas 1.8 L, Xmax 2.8 mm, sensitivity 83.7 dB, plus 14 cm³ Vd and 130 EBP. bits tracks UK vendor pricing, price movement, datasheet links, simulator import data, and similar drivers, with a current best price of £12.19.
The published T/S values agree with each other
Thiele/Small
- Fs
- 79Hz
- Qts
- 0.52
- Qes
- 0.61
- Qms
- 3.5
- Vas
- 1.8L
- Re
- 3.5Ω
- Le
- 0.09mH
Motor and cone
- BL
- 4.8T·m
- Sd
- 50cm²
- Mms
- 8g
- Xmax
- 2.8mm
- Vd †
- 14cm³
- Voice coil
- 25mm
Power and response
- Sensitivity †
- 83.7dB
- Manufacturer sensitivity
- 84.1dB
- Power
- 30W
- Impedance
- 4Ω
- EBP †
- 130 · Leans vented
Size and mounting
- Diameter
- 105.5mm
- Cutout
- 93.6mm
- Bolt circle
- 106mm
- Weight
- 0.8kg
Other published values
- Xmech
- 7.8
- Power Peak
- 120
Other dimensions
- Mounting Depth
- 56
† Calculated by bits from the published values
What this validation status means
Everything else REDCATT lists
LF · Primary · 4″
- BL
- 4.8T·m
- Fs
- 79Hz
- Le
- 0.09mH
- Re
- 3.5Ω
- Sd
- 50cm²
- Mms
- 8g
- Qes
- 0.61
- Qms
- 3.5
- Qts
- 0.52
- SPL
- 83.7dB
- Vas
- 1.8L
- Xmax
- 2.8mm
- Xmech
- 7.8
- Power
- 30W
- Impedance
- 4Ω
- Power Peak
- 120
- Sensitivity
- 84.1dB
- Calculated sensitivity †
- 83.7dB
- Manufacturer sensitivity
- 84.1dB
- Voice coil
- 25mm
- Weight
- 0.8kg
- Diameter
- 105.5mm
- Mounting Depth
- 56
- Cutout
- 93.6mm
- Bolt circle
- 106mm
02
Compare
Same-size drivers, compared with the 4FR-1. Clear differences are green when better and red when worse.
This driver4FR-1
Best price
£12.19
Fs
79 Hz
Qts
0.52
Vas
1.8 L
BL
4.8 T·m
Xmax
2.8 mm
Sensitivity
83.7 dB
Power
30 W
VisatonFRS 8 M
£13.19 · 8% more, worseFs125 Hz +58%, worse
Qts0.49 −6%
Vas1.1 L −39%, better
BL4 T·m −17%, worse
Xmax2.5 mm −11%, worse
Sensitivity87.7 dB +4, better
VisatonFRS 8 M - 8 Ohm
£13.19 · 8% more, worseFs125 Hz +58%, worse
Qts0.49 −6%
Vas1.1 L −39%, better
BL4 T·m −17%, worse
Xmax2.5 mm −11%, worse
Sensitivity87.7 dB +4, better
VisatonFR 10
£13.75 · 13% more, worseFs90 Hz +14%, worse
Qts0.54 +4%
Vas2.3 L +28%, worse
BL4.6 T·m −4%
Xmax4 mm +43%, better
Sensitivity85.8 dB +2.1, better
Dayton AudioDS90-8
£16.61 · 36% more, worseFs81 Hz +3%
Qts0.43 −17%, better
Vas1.3 L −27%, better
BL4.8 T·m –
Xmax2.5 mm −11%, worse
Sensitivity83.3 dB –
REDCATT4FR-2
£16.95 · 39% more, worseFs80 Hz –
Qts0.51 –
Vas2.0 L +9%
BL4.6 T·m −5%
Xmax0.35 mm −88%, worse
Sensitivity84.4 dB +0.7
Sica3.5 F 1 CS
£16.99 · 39% more, worseFs107 Hz +35%, worse
Qts0.57 +10%
Vas1.4 L −22%, better
BL4.2 T·m −12%, worse
Xmax1.5 mm −46%, worse
Sensitivity86.4 dB +2.7, better
Sica3.5 H 1 CS
£18.78 · 54% more, worseFs85 Hz +8%
Qts0.53 –
Vas1.8 L –
BL4.8 T·m –
Xmax2.5 mm −11%, worse
Sensitivity84.9 dB +1.2
MonacorSPX-32M
£18.78 · 54% more, worseFs110 Hz +39%, worse
Qts0.56 +8%
Vas1.6 L −11%, better
BL3.7 T·m −23%, worse
Xmax1.1 mm −61%, worse
Sensitivity87.5 dB +3.8, better
HiViB4N
£19.17 · 57% more, worseFs56 Hz −29%, better
Qts0.52 –
Vas4.5 L +150%, worse
BL5.1 T·m +6%
Xmax3.2 mm +14%, better
Sensitivity83 dB −0.7
Dayton AudioDMA80-8
£19.55 · 60% more, worseFs98 Hz +24%, worse
Qts0.47 −10%
Vas1.1 L −37%, better
BL5.1 T·m +6%
Xmax2.5 mm −11%, worse
Sensitivity84.4 dB +0.7
Sica5 D 1 CS
£20.06 · 65% more, worseFs79 Hz –
Qts0.52 –
Vas5.5 L +206%, worse
BL5.7 T·m +19%, better
Xmax3 mm +7%
Sensitivity88.7 dB +5, better
FaitalPRO4FE32
£21.94 · 80% more, worseFs100 Hz +27%, worse
Qts0.61 +17%, worse
Vas2.3 L +28%, worse
BL4.8 T·m –
Xmax2.7 mm –
Sensitivity87.2 dB +3.5, better
Sica3.5 L 1 SL
£23.82 · 95% more, worseFs108 Hz +37%, worse
Qts0.57 +10%
Vas1.4 L −22%, better
BL4.3 T·m −11%, worse
Xmax1.5 mm −46%, worse
Sensitivity86.6 dB +2.9, better
Dayton AudioRS100P-8
£30.21 · 148% more, worseFs96 Hz +21%, worse
Qts0.54 +4%
Vas1.8 L –
BL4.0 T·m −18%, worse
Xmax3.7 mm +32%, better
Sensitivity85.5 dB +1.8
Dayton AudioND105-4
£31.12 · 155% more, worseFs79 Hz –
Qts0.61 +17%, worse
Vas2.0 L +9%
BL4.5 T·m −6%
Xmax4 mm +43%, better
Sensitivity83.7 dB –
CIAREPA100
£31.59 · 159% more, worseFs100 Hz +27%, worse
Qts0.59 +13%, worse
Vas2.5 L +39%, worse
BL4.4 T·m −9%
Xmax2.5 mm −11%, worse
Sensitivity87.6 dB +3.9, better
Tang BandW3-315E
£32.83 · 169% more, worseFs100 Hz +27%, worse
Qts0.52 –
Vas1.7 L −7%
BL3.9 T·m −19%, worse
Xmax1.3 mm −55%, worse
Sensitivity86.7 dB +3, better
WavecorWF095WA02
£41.56 · 241% more, worseFs86 Hz +9%
Qts0.62 +19%, worse
Vas1.6 L −11%, better
BL3.6 T·m −25%, worse
Xmax2.7 mm −4%
Sensitivity83.7 dB –
Scanspeak10F/8414G10
£73.39 · 502% more, worseFs100 Hz +27%, worse
Qts0.51 –
Vas1.6 L −13%, better
BL4.3 T·m −10%, worse
Xmax2.3 mm −18%, worse
Sensitivity85.9 dB +2.2, better
WavecorWF118WA06
£84.52 · 593% more, worseFs66 Hz −16%, better
Qts0.55 +6%
Vas3.5 L +94%, worse
BL5.6 T·m +17%, better
Xmax3 mm +7%
Sensitivity84.3 dB +0.6
Dayton AudioRS125T-8
No current priceFs76 Hz −4%
Qts0.50 −4%
Vas3.6 L +98%, worse
BL5.0 T·m +5%
Xmax2.8 mm –
Sensitivity86.1 dB +2.4, better
Dayton AudioDMA90-8
No current priceFs94 Hz +19%, worse
Qts0.57 +10%
Vas1.7 L −6%
BL4.7 T·m –
Xmax2.5 mm −11%, worse
Sensitivity84.9 dB +1.2
WavecorSW084OM02
No current priceFs77 Hz –
Qts0.53 –
Vas1.7 L −6%
BL4.6 T·m −5%
Xmax4.5 mm +61%, better
Sensitivity83.4 dB –
Tang BandW3-1053SC
No current priceFs100 Hz +27%, worse
Qts0.52 –
Vas1.8 L –
BL3.7 T·m −23%, worse
Xmax0.75 mm −73%, worse
Sensitivity87 dB +3.3, better
EminenceALPHA 4-4
No current priceFs120 Hz +52%, worse
Qts0.63 +21%, worse
Vas1.8 L –
BL4.1 T·m −14%, worse
Xmax2.6 mm −7%
Sensitivity88.4 dB +4.7, better
Tang BandW4-2356
No current priceFs70 Hz −11%, better
Qts0.45 −13%, better
Vas4.0 L +121%, worse
BL4.9 T·m –
Xmax3 mm +7%
Sensitivity85.7 dB +2, better
PeerlessSDS-100F25CP18-04
No current priceFs84 Hz +6%
Qts0.59 +13%, worse
Vas1.9 L +3%
BL4.5 T·m −6%
Xmax5.0 mm +80%, better
Sensitivity84.3 dB +0.6
Tang BandW5-1611SA
No current priceFs60 Hz −24%, better
Qts0.44 −15%, better
Vas13.0 L +623%, worse
BL5.2 T·m +8%
Xmax3 mm +7%
Sensitivity88.7 dB +5, better
Dayton AudioCFC120-8
No current priceFs60 Hz −24%, better
Qts0.56 +8%
Vas4.6 L +156%, worse
BL5.1 T·m +7%
Xmax2.5 mm −11%, worse
Sensitivity83.6 dB –
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 | £12.19, the lowest price | 4 in stock | Visit shop at Lautsprecherteile |
Best price over time
Tracked since 1 Oct