Dayton AudioGF180-4
£18.91 · 87% less, betterFs49 Hz +7%
Qts0.42 +8%
Vas16.5 L −12%, better
BL6.5 T·m −8%
Xmax4 mm −11%, worse
Sensitivity88.1 dB –
6.5-inch LF driver · 38 mm voice coil · 130 W
RS Speakers MW 174.38 FIBONACCI 8Ω
8 Ω
No price for delivery to the UK
- Fs
- 46Hz
- Xmax
- 4.5mm
- SPL
- 88dB
- Pe
- 130W
- BL
- 7.0T·m
- Vd
- 55cm³
- Qts
- 0.39
- Vas
- 19L
RS Speakers MW 174.38 FIBONACCI is a 6.5-inch 8 ohm LF driver rated at 130 W RMS. The validated T/S data includes Fs 46 Hz, Qts 0.39, Vas 18.7 L, Xmax 4.5 mm, sensitivity 88.3 dB, plus 55 cm³ Vd and 109 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 £147.48.
The published T/S values agree with each other
Thiele/Small
- Fs
- 46Hz
- Qts
- 0.39
- Qes
- 0.42
- Qms
- 6.6
- Vas
- 18.7L
- Re
- 5.2Ω
- Le
- 0.32mH
Motor and cone
- BL
- 7.0T·m
- Sd
- 123cm²
- Mms
- 14g
- Xmax
- 4.5mm
- Vd †
- 55cm³
- Voice coil
- 38mm
Power and response
- Sensitivity †
- 88.3dB
- Manufacturer sensitivity
- 90.2dB
- Power
- 130W
- Impedance
- 8Ω
- EBP †
- 109 · Leans vented
Size and mounting
- Diameter
- 175mm
- Cutout
- 143mm
- Depth
- 82.5mm
- Weight
- 2.3kg
Other published values
- Cms
- 0.88mm/N
- Power Program
- 260
Sensitivity shows 88.3 dB, calculated from the T/S values. RS Speakers publishes 90.2 dB, 1.9 dB apart.
† Calculated by bits from the published values
What this validation status means
Everything else RS Speakers lists
LF · Primary · 6.5″
- BL
- 7.0T·m
- Fs
- 46Hz
- Le
- 0.32mH
- Re
- 5.2Ω
- Sd
- 123cm²
- Cms
- 0.88mm/N
- Mms
- 14g
- Qes
- 0.42
- Qms
- 6.6
- Qts
- 0.39
- SPL
- 88.3dB
- Vas
- 18.7L
- Xmax
- 4.5mm
- Power
- 130W
- Impedance
- 8Ω
- Sensitivity
- 90.2dB
- Power Program
- 260
- Calculated sensitivity †
- 88.3dB
- Manufacturer sensitivity
- 90.2dB
- Voice coil
- 38mm
- Weight
- 2.3kg
- Diameter
- 175mm
- Depth
- 82.5mm
- Cutout
- 143mm
02
Compare
Same-size drivers, compared with the MW 174.38 FIBONACCI. Clear differences are green when better and red when worse.
This driverMW 174.38 FIBONACCI
Best price
£147.48
Fs
46 Hz
Qts
0.39
Vas
18.7 L
BL
7.0 T·m
Xmax
4.5 mm
Sensitivity
88.3 dB
Power
130 W
HiViM6N
£21.16 · 86% less, betterFs46 Hz –
Qts0.39 –
Vas21.9 L +17%, worse
BL7.8 T·m +11%, better
Xmax4.3 mm −4%
Sensitivity89.1 dB +0.8
SB AcousticsSB16PFC25-8
£27.41 · 81% less, betterFs38 Hz −17%, better
Qts0.40 –
Vas27 L +44%, worse
BL6.2 T·m −12%, worse
Xmax4.5 mm –
Sensitivity86.9 dB −1.4
Dayton AudioSIG180-4
£41.59 · 72% less, betterFs41 Hz −11%, better
Qts0.38 –
Vas23.2 L +24%, worse
BL6.6 T·m −6%
Xmax5 mm +11%, better
Sensitivity87.8 dB −0.5
CIAREHW161N
£44.08 · 70% less, betterFs47 Hz +3%
Qts0.37 −5%
Vas19.9 L +6%
BL7.4 T·m +6%
Xmax5 mm +11%, better
Sensitivity88.6 dB –
CIAREHW162
£48.31 · 67% less, betterFs44 Hz −4%
Qts0.33 −15%, better
Vas24.8 L +33%, worse
BL7.5 T·m +7%
Xmax4.5 mm –
Sensitivity89.4 dB +1.1
Sica6.5 H 1.5 CP
£56.70 · 62% less, betterFs45 Hz –
Qts0.42 +8%
Vas20.2 L +8%
BL7.0 T·m –
Xmax6 mm +33%, better
Sensitivity88.2 dB –
Scanspeak18W/8434G00
£57.57 · 61% less, betterFs50 Hz +10%
Qts0.43 +10%, worse
Vas19.5 L +4%
BL7.2 T·m –
Xmax4.2 mm −7%
Sensitivity89.3 dB +1
CIAREHW172
£63.57 · 57% less, betterFs46 Hz –
Qts0.37 −5%
Vas20 L +7%
BL7.6 T·m +8%
Xmax4.5 mm –
Sensitivity88.4 dB –
CIAREHWB160
£66.11 · 55% less, betterFs43 Hz −6%
Qts0.37 −5%
Vas28 L +50%, worse
BL7.3 T·m +4%
Xmax4.5 mm –
Sensitivity89.4 dB +1.1
Scanspeak18W/4434G00
£72.89 · 51% less, betterFs47 Hz +3%
Qts0.35 −10%, better
Vas20.7 L +11%, worse
BL6 T·m −15%, worse
Xmax4.3 mm −4%
Sensitivity89.7 dB +1.4
Scanspeak15W/8531K00
£150.70 · 2% moreFs39 Hz −14%, better
Qts0.38 –
Vas16.7 L −11%, better
BL6.6 T·m −6%
Xmax6.5 mm +44%, better
Sensitivity85.8 dB −2.5, worse
WavecorWF152BD12
£151.72 · 3% moreFs46 Hz –
Qts0.38 –
Vas9.6 L −49%, better
BL7.2 T·m –
Xmax4.5 mm –
Sensitivity85.7 dB −2.6, worse
Scanspeak15W/8530K00
£157.03 · 6% more, worseFs39 Hz −14%, better
Qts0.39 –
Vas16 L −14%, better
BL6.6 T·m −6%
Xmax6.5 mm +44%, better
Sensitivity85.5 dB −2.8, worse
Sica6.5 C 1.5 CP
No current priceFs51 Hz +11%, worse
Qts0.39 –
Vas15.9 L −15%, better
BL7.2 T·m –
Xmax4.5 mm –
Sensitivity89 dB +0.7
HiViF6N
No current priceFs48 Hz +5%
Qts0.43 +10%, worse
Vas19.1 L –
BL7.3 T·m +4%
Xmax4.5 mm –
Sensitivity88.7 dB –
WavecorWF152BD11
No current priceFs53 Hz +16%, worse
Qts0.40 –
Vas8.6 L −54%, better
BL7.2 T·m –
Xmax4.5 mm –
Sensitivity86.9 dB −1.4
HiViE6.5N
No current priceFs43 Hz −6%
Qts0.40 –
Vas21 L +12%, worse
BL7.1 T·m –
Xmax4.3 mm −6%
Sensitivity87.2 dB −1.1
Tang BandW6-2313
No current priceFs50 Hz +10%
Qts0.40 –
Vas13.3 L −29%, better
BL7.1 T·m –
Xmax4 mm −11%, worse
Sensitivity87.8 dB −0.5
HiViSS6N
No current priceFs44 Hz −4%
Qts0.36 −8%
Vas23.9 L +28%, worse
BL7.6 T·m +8%
Xmax4.3 mm −4%
Sensitivity89.1 dB +0.8
CIARECW161N
No current priceFs52 Hz +14%, worse
Qts0.35 −10%, better
Vas17.4 L −7%
BL6.1 T·m −14%, worse
Xmax4 mm −11%, worse
Sensitivity89.7 dB +1.4
HiViD6.4+
No current priceFs44 Hz −4%
Qts0.36 −8%
Vas13.9 L −26%, better
BL6.6 T·m −6%
Xmax4 mm −11%, worse
Sensitivity86.5 dB −1.8
WavecorWF152BD07
No current priceFs52 Hz +13%, worse
Qts0.39 –
Vas9.2 L −51%, better
BL8 T·m +14%, better
Xmax4.5 mm –
Sensitivity86.9 dB −1.4
WavecorWF152BD15
No current priceFs52 Hz +13%, worse
Qts0.39 –
Vas9.2 L −51%, better
BL8 T·m +14%, better
Xmax4.5 mm –
Sensitivity86.9 dB −1.4
Sica5.5 H 1.5 CP
No current priceFs48 Hz +5%
Qts0.37 −5%
Vas8.4 L −55%, better
BL7.2 T·m –
Xmax4.5 mm –
Sensitivity85.7 dB −2.6, worse
HiViS6N
No current priceFs45 Hz –
Qts0.35 −10%, better
Vas23.4 L +25%, worse
BL7.6 T·m +8%
Xmax4.3 mm −4%
Sensitivity89.4 dB +1.1
CIARECMI160
No current priceFs70 Hz +54%, worse
Qts0.41 +5%
Vas7.8 L −58%, better
BL7.2 T·m –
Xmax4.5 mm –
Sensitivity89.8 dB +1.5
KartesianWOM155_VKI-C
No current priceFs38 Hz −17%, better
Qts0.37 −5%
Vas17.9 L −4%
BL7.1 T·m –
Xmax10 mm +122%, better
Sensitivity86 dB −2.3, worse
HiViSS6.5R
No current priceFs42 Hz −8%
Qts0.39 –
Vas21.6 L +16%, worse
BL6.5 T·m −8%
Xmax5.8 mm +29%, better
Sensitivity87.7 dB −0.6
HiViS6.5R
No current priceFs41 Hz −10%, better
Qts0.38 –
Vas23.2 L +24%, worse
BL6.5 T·m −8%
Xmax5.8 mm +29%, better
Sensitivity87.8 dB −0.5
Tune the match
Choose the published values that matter to your design. Size stays matched to this driver.
Qts
Qes
VasL
Xmaxmm
BLTm
None of the shops we track lists delivery to the UK at checkout.