FaitalPRO5FE100
£21.52Fs65 Hz +39%, worse
Qts0.45 +10%
Vas5.7 L −23%, better
BL6.9 T·m –
Xmax5.3 mm +5%
Sensitivity87.2 dB +3, better
5.5-inch LF driver · 38 mm voice coil
RS Speakers W 140.38 FIBONACCI 8Ω
8 Ω
No current price
- Fs
- 47Hz
- Xmax
- 5mm
- SPL
- 84dB
- Pe
- –
- BL
- 6.8T·m
- Vd
- 39cm³
- Qts
- 0.41
- Vas
- 7L
RS Speakers W 140.38 FIBONACCI is a 5.5-inch 8 ohm LF driver. The validated T/S data includes Fs 47 Hz, Qts 0.41, Vas 7.4 L, Xmax 5 mm, sensitivity 84.2 dB, plus 39 cm³ Vd and 104 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
- 47Hz
- Qts
- 0.41
- Qes
- 0.45
- Qms
- 4.7
- Vas
- 7.4L
- Re
- 5.1Ω
- Le
- 0.68mH
Motor and cone
- BL
- 6.8T·m
- Sd
- 79cm²
- Mms
- 14g
- Xmax
- 5mm
- Vd †
- 39cm³
- Voice coil
- 38mm
Power and response
- Sensitivity †
- 84.2dB
- Manufacturer sensitivity
- 86.2dB
- Impedance
- 8Ω
- EBP †
- 104 · Leans vented
Size and mounting
- Diameter
- 148mm
- Cutout
- 113mm
- Depth
- 72mm
- Weight
- 1.5kg
Other published values
- Cms
- 0.85mm/N
- Power Program
- 240
Sensitivity shows 84.2 dB, calculated from the T/S values. RS Speakers publishes 86.2 dB, 2.0 dB apart.
† Calculated by bits from the published values
What this validation status means
Everything else RS Speakers lists
LF · Primary · 5.5″
- BL
- 6.8T·m
- Fs
- 47Hz
- Le
- 0.68mH
- Re
- 5.1Ω
- Sd
- 79cm²
- Cms
- 0.85mm/N
- Mms
- 14g
- Qes
- 0.45
- Qms
- 4.7
- Qts
- 0.41
- SPL
- 84.2dB
- Vas
- 7.4L
- Xmax
- 5mm
- Impedance
- 8Ω
- Sensitivity
- 86.2dB
- Power Program
- 240
- Calculated sensitivity †
- 84.2dB
- Manufacturer sensitivity
- 86.2dB
- Voice coil
- 38mm
- Weight
- 1.5kg
- Diameter
- 148mm
- Depth
- 72mm
- Cutout
- 113mm
02
Compare
Same-size drivers, compared with the W 140.38 FIBONACCI. Clear differences are green when better and red when worse.
This driverW 140.38 FIBONACCI
Best price
–
Fs
47 Hz
Qts
0.41
Vas
7.4 L
BL
6.8 T·m
Xmax
5 mm
Sensitivity
84.2 dB
Power
–
FaitalPRO5FE105
£21.90Fs65 Hz +39%, worse
Qts0.45 +10%
Vas5.7 L −23%, better
BL6.9 T·m –
Xmax5.3 mm +5%
Sensitivity87.2 dB +3, better
PeerlessHDS-P830933
£23.26Fs65 Hz +39%, worse
Qts0.40 –
Vas7.2 L –
BL7.2 T·m +6%
Xmax5.5 mm +9%
Sensitivity88.6 dB +4.4, better
FaitalPRO5FE120
£24.49Fs65 Hz +39%, worse
Qts0.48 +17%, worse
Vas5.4 L −27%, better
BL6.9 T·m –
Xmax5.3 mm +5%
Sensitivity86.7 dB +2.5, better
FaitalPRO5FE125
£29.24Fs65 Hz +39%, worse
Qts0.48 +17%, worse
Vas5.4 L −27%, better
BL6.9 T·m –
Xmax5.3 mm +5%
Sensitivity86.7 dB +2.5, better
FaitalPRO6FE200
£29.40Fs120 Hz +158%, worse
Qts0.42 –
Vas4.3 L −42%, better
BL7 T·m –
Xmax4.6 mm −8%
Sensitivity94.2 dB +10, better
Dayton AudioDS135-8
£30.24Fs53 Hz +13%, worse
Qts0.39 −5%
Vas7.3 L –
BL6.2 T·m −8%
Xmax4.8 mm −3%
Sensitivity85.4 dB +1.2
Dayton AudioDSA135-8
£30.24Fs52 Hz +11%, worse
Qts0.38 −7%
Vas7.9 L +7%
BL6.2 T·m −9%
Xmax4.9 mm –
Sensitivity85.7 dB +1.5
CIAREHW131
£31.36Fs68 Hz +46%, worse
Qts0.39 −5%
Vas5.6 L −24%, better
BL7.0 T·m +3%
Xmax4.4 mm −12%, worse
Sensitivity87.9 dB +3.7, better
CIAREHW161N
£44.08Fs47 Hz –
Qts0.37 −10%
Vas19.9 L +169%, worse
BL7.4 T·m +9%
Xmax5 mm –
Sensitivity88.6 dB +4.4, better
WavecorWF118WA08
£47.66Fs58 Hz +24%, worse
Qts0.42 –
Vas4.9 L −34%, better
BL5.8 T·m −15%, worse
Xmax4 mm −20%, worse
Sensitivity85.3 dB +1.1
CelestionTFX0615
£59.25Fs97 Hz +108%, worse
Qts0.38 −8%
Vas7.2 L –
BL9.8 T·m +44%, better
Xmax5.3 mm +5%
Sensitivity93.8 dB +9.6, better
LavoceWAF061.80
£64.30Fs65 Hz +39%, worse
Qts0.42 –
Vas7.3 L –
BL9.5 T·m +39%, better
Xmax4.9 mm –
Sensitivity88.6 dB +4.4, better
SB AcousticsSB17NAC35-8
£71.62Fs32 Hz −32%, better
Qts0.42 –
Vas33 L +346%, worse
BL6.2 T·m −9%
Xmax5.5 mm +10%, better
Sensitivity85.6 dB +1.4
RS SpeakersMW 140.38 FIBONACCI
£120.36Fs56 Hz +19%, worse
Qts0.44 +7%
Vas6.9 L −7%
BL6.2 T·m −10%
Xmax4 mm −20%, worse
Sensitivity85.9 dB +1.7
CIARECMI160ND
£130.48Fs73 Hz +57%, worse
Qts0.41 –
Vas6 L −19%, better
BL7.8 T·m +15%, better
Xmax4.5 mm −10%, worse
Sensitivity89.2 dB +5, better
FaitalPRO5HX140
£134.77Fs100 Hz +115%, worse
Qts0.41 –
Vas3.4 L −54%, better
BL8 T·m +18%, better
Xmax5.1 mm –
Sensitivity90.8 dB +6.6, better
WavecorWF152BD12
£151.72Fs46 Hz –
Qts0.38 −7%
Vas9.6 L +30%, worse
BL7.2 T·m +6%
Xmax4.5 mm −10%, worse
Sensitivity85.7 dB +1.5
£381.38
Fs34 Hz −27%, better
Qts0.42 –
Vas30 L +305%, worse
BL6.6 T·m –
Xmax5 mm –
Sensitivity85.8 dB +1.6
CIARECMI160
No current priceFs70 Hz +50%, worse
Qts0.41 –
Vas7.8 L +5%
BL7.2 T·m +6%
Xmax4.5 mm −10%, worse
Sensitivity89.8 dB +5.6, better
WavecorWF152BD11
No current priceFs53 Hz +14%, worse
Qts0.40 –
Vas8.6 L +16%, worse
BL7.2 T·m +6%
Xmax4.5 mm −10%, worse
Sensitivity86.9 dB +2.7, better
Beyma5CX200FE
No current priceFs82 Hz +76%, worse
Qts0.41 –
Vas5.3 L −28%, better
BL7.4 T·m +9%
Xmax5.7 mm +14%, better
Sensitivity90.4 dB +6.2, better
HiViF5N
No current priceFs52 Hz +12%, worse
Qts0.40 –
Vas7.7 L +4%
BL7 T·m –
Xmax2.5 mm −50%, worse
Sensitivity85.7 dB +1.5
Sica5.5 H 1.5 CP
No current priceFs48 Hz +3%
Qts0.37 −10%
Vas8.4 L +14%, worse
BL7.2 T·m +6%
Xmax4.5 mm −10%, worse
Sensitivity85.7 dB +1.5
MonacorTFX0615/8
No current priceFs97 Hz +108%, worse
Qts0.38 −8%
Vas7.2 L –
BL9.8 T·m +44%, better
Xmax5.3 mm +5%
Sensitivity93.9 dB +9.7, better
WavecorWF152BD07
No current priceFs52 Hz +11%, worse
Qts0.39 −5%
Vas9.2 L +24%, worse
BL8 T·m +18%, better
Xmax4.5 mm −10%, worse
Sensitivity86.9 dB +2.7, better
WavecorWF152BD15
No current priceFs52 Hz +11%, worse
Qts0.39 −5%
Vas9.2 L +24%, worse
BL8 T·m +18%, better
Xmax4.5 mm −10%, worse
Sensitivity86.9 dB +2.7, better
Tang BandW6-623I
No current priceFs46 Hz –
Qts0.41 –
Vas29.8 L +303%, worse
BL6.7 T·m –
Xmax4 mm −20%, worse
Sensitivity90.1 dB +5.9, better
No photo
PHL Audio973
No current priceFs67 Hz +44%, worse
Qts0.40 –
Vas6.3 L −15%, better
BL7.6 T·m +12%, better
Xmax6.5 mm +30%, better
Sensitivity88.4 dB +4.2, better
HiViF6N
No current priceFs48 Hz +3%
Qts0.43 +5%
Vas19.1 L +158%, worse
BL7.3 T·m +7%
Xmax4.5 mm −10%, worse
Sensitivity88.7 dB +4.5, better
Tune the match
Choose the published values that matter to your design. Size stays matched to this driver.
Qts
Qes
VasL
Xmaxmm
BLTm
No current price found. Pricing may appear after the next vendor refresh.