FaitalPRO5FE100
£21.36 · 91% less, betterFs65 Hz +71%, worse
Qts0.33 +10%, worse
Vas6.1 L −5%
BL6 T·m –
Xmax5.2 mm −41%, worse
Sensitivity88.8 dB +6.4, better
4-inch LF driver · PTT series · 30 mm voice coil · 60 W
Purifi PTT4.0X04-NFC-01 4Ω
4 Ω
£251.15
SteadySoundImports · 3 in stock · Ships from Netherlands · All 1 offer
- Fs
- 38Hz
- Xmax
- 8.8mm
- SPL
- 82dB
- Pe
- 60W
- BL
- 6T·m
- Vd
- 50cm³
- Qts
- 0.30
- Vas
- 6L
Purifi PTT4.0X04-NFC-01 is a 4-inch 4 ohm LF driver rated at 60 W RMS. The validated T/S data includes Fs 38 Hz, Qts 0.30, Vas 6.4 L, Xmax 8.8 mm, sensitivity 82.4 dB, plus 50 cm³ Vd and 119 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 £251.15.
The published T/S values agree with each other
Thiele/Small
- Fs
- 38Hz
- Qts
- 0.30
- Qes
- 0.32
- Qms
- 4.5
- Vas
- 6.4L
- Re
- 3.8Ω
- Le
- 0.38mH
Motor and cone
- BL
- 6T·m
- Sd
- 57cm²
- Mms
- 13g
- Xmax
- 8.8mm
- Vd †
- 50cm³
- Voice coil
- 30mm
Power and response
- Sensitivity †
- 82.4dB
- Manufacturer sensitivity
- 84.5dB
- Power
- 60W
- Impedance
- 4Ω
- Min. impedance
- 4.3Ω
- EBP †
- 119 · Leans vented
Size and mounting
- Diameter
- 125mm
- Cutout
- 101mm
- Bolt circle
- 115mm
- Weight
- 1.3kg
Other published values
- Cms
- 1.41mm/N
- Rms
- 0.66kg/s
- Xmech
- 13.7
- Power Peak
- 200
Other dimensions
- Mounting Depth
- 73.5
Sensitivity shows 82.4 dB, calculated from the T/S values. Purifi publishes 84.5 dB, 2.1 dB apart.
† Calculated by bits from the published values
What this validation status means
Everything else Purifi lists
LF · Primary · 4″
- BL
- 6T·m
- Fs
- 38Hz
- Le
- 0.38mH
- Re
- 3.8Ω
- Sd
- 57cm²
- Cms
- 1.41mm/N
- Mms
- 13g
- Qes
- 0.32
- Qms
- 4.5
- Qts
- 0.30
- Rms
- 0.66kg/s
- SPL
- 82.4dB
- Vas
- 6.4L
- Xmax
- 8.8mm
- Xmech
- 13.7
- Power
- 60W
- Impedance
- 4Ω
- Power Peak
- 200
- Sensitivity
- 84.5dB
- Calculated sensitivity †
- 82.4dB
- Manufacturer sensitivity
- 84.5dB
- Min. impedance
- 4.3Ω
- Voice coil
- 30mm
- Weight
- 1.3kg
- Diameter
- 125mm
- Mounting Depth
- 73.5
- Cutout
- 101mm
- Bolt circle
- 115mm
02
Compare
Same-size drivers, compared with the PTT4.0X04-NFC-01. Clear differences are green when better and red when worse.
This driverPTT4.0X04-NFC-01
Best price
£251.15
Fs
38 Hz
Qts
0.30
Vas
6.4 L
BL
6 T·m
Xmax
8.8 mm
Sensitivity
82.4 dB
Power
60 W
SB AcousticsSB12PAC25-4
£23.67 · 91% less, betterFs53 Hz +38%, worse
Qts0.31 +3%
Vas5.3 L −17%, better
BL4.3 T·m −28%, worse
Xmax5 mm −43%, worse
Sensitivity85.7 dB +3.3, better
SB AcousticsSB12PACR25-4
£23.67 · 91% less, betterFs53 Hz +38%, worse
Qts0.31 +3%
Vas5.3 L −17%, better
BL4.3 T·m −28%, worse
Xmax5 mm −43%, worse
Sensitivity85.7 dB +3.3, better
CIAREHW100
£27.63 · 89% less, betterFs70 Hz +84%, worse
Qts0.31 +3%
Vas4.3 L −33%, better
BL5.6 T·m −7%
Xmax4.3 mm −51%, worse
Sensitivity88 dB +5.6, better
Sica5 F 1.5 CP
£38.51 · 85% less, betterFs61 Hz +61%, worse
Qts0.30 –
Vas6.8 L +6%
BL7.6 T·m +26%, better
Xmax3.5 mm −60%, worse
Sensitivity88.7 dB +6.3, better
Dayton AudioCF120-4
£52.29 · 79% less, betterFs53 Hz +40%, worse
Qts0.28 −7%
Vas4.9 L −24%, better
BL4.9 T·m −18%, worse
Xmax3.5 mm −60%, worse
Sensitivity85.6 dB +3.2, better
Scanspeak12W/8524G00
£54.43 · 78% less, betterFs52 Hz +37%, worse
Qts0.32 +7%
Vas8.2 L +28%, worse
BL5.4 T·m −10%
Xmax3 mm −66%, worse
Sensitivity87.2 dB +4.8, better
Tang BandW4-2142
£57.77 · 77% less, betterFs60 Hz +58%, worse
Qts0.33 +10%, worse
Vas6.4 L –
BL5.4 T·m −10%
Xmax2.4 mm −73%, worse
Sensitivity87.5 dB +5.1, better
SB AcousticsSB12CACS25-4
£58.31 · 77% less, betterFs51 Hz +34%, worse
Qts0.31 +3%
Vas5.7 L −11%, better
BL4.3 T·m −28%, worse
Xmax5 mm −43%, worse
Sensitivity85.6 dB +3.2, better
SEASH1152-08 CA12RCY
£79.46 · 68% less, betterFs57 Hz +50%, worse
Qts0.31 +3%
Vas5 L −22%, better
BL6.3 T·m +6%
Xmax3 mm −66%, worse
Sensitivity86.1 dB +3.7, better
MarkaudioPLUVIA 11
£87.50 · 65% less, betterFs39 Hz –
Qts0.29 –
Vas24.8 L +287%, worse
BL6.6 T·m +9%
Xmax7 mm −20%, worse
Sensitivity88.3 dB +5.9, better
SB AcousticsMR13PNW-8
£115.00 · 54% less, betterFs47 Hz +24%, worse
Qts0.30 –
Vas12.9 L +102%, worse
BL6.2 T·m +3%
Xmax3 mm −66%, worse
Sensitivity88.2 dB +5.8, better
SB AcousticsMR13P-8
£135.77 · 46% less, betterFs45 Hz +18%, worse
Qts0.31 +3%
Vas12.5 L +95%, worse
BL6.1 T·m –
Xmax3 mm −66%, worse
Sensitivity87.4 dB +5, better
SB AcousticsMW13P-8
£139.69 · 44% less, betterFs42 Hz +9%
Qts0.30 –
Vas15 L +134%, worse
BL5.7 T·m −5%
Xmax5 mm −43%, worse
Sensitivity87.1 dB +4.7, better
SB AcousticsMW13PNW-8
£139.69 · 44% less, betterFs41 Hz +8%
Qts0.31 +3%
Vas15 L +134%, worse
BL5.7 T·m −5%
Xmax5 mm −43%, worse
Sensitivity87 dB +4.6, better
Tang BandW4-2315
£175.00 · 30% less, betterFs65 Hz +71%, worse
Qts0.29 −3%
Vas5.0 L −23%, better
BL6.2 T·m +3%
Xmax2.8 mm −68%, worse
Sensitivity88.5 dB +6.1, better
PurifiPTT4.0M08-NAC-03
£251.15 · Same priceFs50 Hz +32%, worse
Qts0.32 +7%
Vas4.9 L −23%, better
BL7 T·m +17%, better
Xmax2.9 mm −67%, worse
Sensitivity84.6 dB +2.2, better
Scanspeak12MU/8731T00
£263.71 · 5% more, worseFs66 Hz +74%, worse
Qts0.29 −3%
Vas5.8 L −9%
BL6.1 T·m –
Xmax3.4 mm −61%, worse
Sensitivity89.3 dB +6.9, better
PurifiPTT4.0X04-NAC-03
No current priceFs40 Hz +5%
Qts0.31 +3%
Vas5.5 L −14%, better
BL6.1 T·m –
Xmax8.8 mm –
Sensitivity82.2 dB –
Tang BandW4-1798S
No current priceFs60 Hz +58%, worse
Qts0.30 –
Vas7.4 L +16%, worse
BL5.8 T·m −4%
Xmax3 mm −66%, worse
Sensitivity88.4 dB +6, better
PurifiPTT4.0M04-NAC-03
No current priceFs48 Hz +26%, worse
Qts0.28 −7%
Vas5 L −22%, better
BL5.9 T·m –
Xmax2.9 mm −67%, worse
Sensitivity84.7 dB +2.3, better
Tang BandW4-657D
No current priceFs70 Hz +84%, worse
Qts0.32 +7%
Vas5.6 L −12%, better
BL5.6 T·m −6%
Xmax3.3 mm −63%, worse
Sensitivity89.4 dB +7, better
PurifiPTT4.0M08-NFC-01
No current priceFs48 Hz +26%, worse
Qts0.31 +3%
Vas5.3 L −17%, better
BL7 T·m +17%, better
Xmax2.9 mm −67%, worse
Sensitivity84.5 dB +2.1, better
FaitalPRO5RS150
No current priceFs46 Hz +21%, worse
Qts0.30 –
Vas9.2 L +44%, worse
BL10 T·m +67%, better
Xmax8 mm −9%
Sensitivity86.5 dB +4.1, better
Tang BandW4-1749S
No current priceFs60 Hz +58%, worse
Qts0.34 +13%, worse
Vas6.3 L –
BL5.8 T·m −3%
Xmax0.9 mm −90%, worse
Sensitivity87.5 dB +5.1, better
PurifiPTT4.0X08-NFC-01
No current priceFs41 Hz +8%
Qts0.37 +23%, worse
Vas5.7 L −11%, better
BL6.9 T·m +15%, better
Xmax8.8 mm –
Sensitivity81.8 dB −0.6
CIAREHWL100
No current priceFs70 Hz +84%, worse
Qts0.31 +3%
Vas4.3 L −33%, better
BL5.6 T·m −7%
Xmax4.3 mm −51%, worse
Sensitivity88 dB +5.6, better
MarkaudioALPAIR 10.3
No current priceFs38 Hz –
Qts0.32 +5%
Vas26.3 L +311%, worse
BL5.8 T·m −4%
Xmax7.5 mm −15%, worse
Sensitivity87.9 dB +5.5, better
PurifiPTT4.0M04-NFC-01
No current priceFs46 Hz +21%, worse
Qts0.25 −17%, better
Vas5.4 L −16%, better
BL6 T·m –
Xmax2.9 mm −67%, worse
Sensitivity84.9 dB +2.5, better
Tang BandW4-937SF
No current priceFs65 Hz +71%, worse
Qts0.26 −13%, better
Vas4.9 L −24%, better
BL6.7 T·m +11%, better
Xmax4.5 mm −49%, worse
Sensitivity88.1 dB +5.7, better
Tune the match
Choose the published values that matter to your design. Size stays matched to this driver.
Qts
Qes
VasL
Xmaxmm
BLTm
- SoundImports5.0 out of 52 ratings · Checked 24 Oct 2026Read reviews on SoundImports
Each shop collects its own ratings. Bits shows them as published and doesn't verify them.
| Shop | Price | Against the lowest | Stock | Link |
|---|---|---|---|---|
SoundImports Import VAT and duty may apply | £251.15, the lowest price | 3 in stock | Visit shop at SoundImports |
Best price over time
Tracked since 1 Apr