Dayton AudioSIG180-4
£41.59Fs41 Hz +8%
Qts0.38 –
Vas23.2 L –
BL6.6 T·m −9%
Xmax5 mm −17%, worse
Sensitivity87.8 dB +0.8
6.5-inch LF driver · 38 mm voice coil · 130 W
RS Speakers W 174.38 FIBONACCI 8Ω
8 Ω
No current price
- Fs
- 38Hz
- Xmax
- 6mm
- SPL
- 87dB
- Pe
- 130W
- BL
- 7.2T·m
- Vd
- 74cm³
- Qts
- 0.38
- Vas
- 23L
RS Speakers W 174.38 FIBONACCI is a 6.5-inch 8 ohm LF driver rated at 130 W RMS. The validated T/S data includes Fs 38 Hz, Qts 0.38, Vas 22.9 L, Xmax 6 mm, sensitivity 87 dB, plus 74 cm³ Vd and 96 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
- 38Hz
- Qts
- 0.38
- Qes
- 0.39
- Qms
- 9.8
- Vas
- 22.9L
- Re
- 5.2Ω
- Le
- 0.45mH
Motor and cone
- BL
- 7.2T·m
- Sd
- 123cm²
- Mms
- 17g
- Xmax
- 6mm
- Vd †
- 74cm³
- Voice coil
- 38mm
Power and response
- Sensitivity †
- 87dB
- Manufacturer sensitivity
- 88.9dB
- Power
- 130W
- Impedance
- 8Ω
- EBP †
- 96 · Sealed or vented
Size and mounting
- Diameter
- 175mm
- Cutout
- 143mm
- Depth
- 82.5mm
- Weight
- 2.2kg
Other published values
- Cms
- 1.07mm/N
- Power Program
- 260
Sensitivity shows 87.0 dB, calculated from the T/S values. RS Speakers publishes 88.9 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
- 7.2T·m
- Fs
- 38Hz
- Le
- 0.45mH
- Re
- 5.2Ω
- Sd
- 123cm²
- Cms
- 1.07mm/N
- Mms
- 17g
- Qes
- 0.39
- Qms
- 9.8
- Qts
- 0.38
- SPL
- 87dB
- Vas
- 22.9L
- Xmax
- 6mm
- Power
- 130W
- Impedance
- 8Ω
- Sensitivity
- 88.9dB
- Power Program
- 260
- Calculated sensitivity †
- 87dB
- Manufacturer sensitivity
- 88.9dB
- Voice coil
- 38mm
- Weight
- 2.2kg
- Diameter
- 175mm
- Depth
- 82.5mm
- Cutout
- 143mm
02
Compare
Same-size drivers, compared with the W 174.38 FIBONACCI. Clear differences are green when better and red when worse.
This driverW 174.38 FIBONACCI
Best price
–
Fs
38 Hz
Qts
0.38
Vas
22.9 L
BL
7.2 T·m
Xmax
6 mm
Sensitivity
87 dB
Power
130 W
CIAREHW161N
£44.08Fs47 Hz +25%, worse
Qts0.37 –
Vas19.9 L −13%, better
BL7.4 T·m –
Xmax5 mm −17%, worse
Sensitivity88.6 dB +1.6
Sica6 H 1.5 CP
£55.86Fs46 Hz +22%, worse
Qts0.35 −8%
Vas16.6 L −28%, better
BL8.4 T·m +16%, better
Xmax6 mm –
Sensitivity88.3 dB +1.3
Sica6.5 H 1.5 CP
£56.70Fs45 Hz +21%, worse
Qts0.42 +11%, worse
Vas20.2 L −12%, better
BL7.0 T·m −3%
Xmax6 mm –
Sensitivity88.2 dB +1.2
MonacorSPH-176
£58.80Fs39 Hz +4%
Qts0.37 –
Vas27 L +18%, worse
BL7.7 T·m +6%
Xmax5.5 mm −8%
Sensitivity87.6 dB +0.6
Dayton AudioRS180P-8
£60.50Fs46 Hz +22%, worse
Qts0.34 −11%, better
Vas22 L −4%
BL7.2 T·m –
Xmax6 mm –
Sensitivity88.8 dB +1.8
Dayton AudioRS180-8
£60.50Fs36 Hz −5%
Qts0.31 −18%, better
Vas24.4 L +7%
BL7.8 T·m +8%
Xmax6 mm –
Sensitivity86.3 dB −0.7
CIAREHWB160
£66.11Fs43 Hz +14%, worse
Qts0.37 –
Vas28 L +22%, worse
BL7.3 T·m –
Xmax4.5 mm −25%, worse
Sensitivity89.4 dB +2.4, better
SEASH1456-08 ER18RNX
£110.64Fs37 Hz –
Qts0.32 −16%, better
Vas32 L +40%, worse
BL7.2 T·m –
Xmax6 mm –
Sensitivity88.2 dB +1.2
WavecorWF182BD12
£119.52Fs30 Hz −22%, better
Qts0.37 –
Vas32.4 L +41%, worse
BL8.2 T·m +13%, better
Xmax5.5 mm −8%
Sensitivity85.4 dB −1.6
WavecorWF182BD17
£123.30Fs33 Hz −12%, better
Qts0.35 −8%
Vas24.3 L +6%
BL6.5 T·m −10%, worse
Xmax5.5 mm −8%
Sensitivity85.8 dB −1.2
£127.16
Fs43 Hz +14%, worse
Qts0.37 –
Vas22 L −4%
BL6.9 T·m −5%
Xmax6 mm –
Sensitivity87.9 dB +0.9
Scanspeak15W/8531K00
£150.70Fs39 Hz +4%
Qts0.38 –
Vas16.7 L −27%, better
BL6.6 T·m −9%
Xmax6.5 mm +8%
Sensitivity85.8 dB −1.2
Scanspeak15W/8530K00
£157.03Fs39 Hz +4%
Qts0.39 –
Vas16 L −30%, better
BL6.6 T·m −9%
Xmax6.5 mm +8%
Sensitivity85.5 dB −1.5
Scanspeak18W/8542-10
£157.04Fs43 Hz +14%, worse
Qts0.35 −8%
Vas26 L +14%, worse
BL6.9 T·m −5%
Xmax6.5 mm +8%
Sensitivity88.7 dB +1.7
WavecorWF182BD20
£190.71Fs30 Hz −22%, better
Qts0.37 –
Vas32.4 L +41%, worse
BL8.2 T·m +13%, better
Xmax5.5 mm −8%
Sensitivity85.4 dB −1.6
£254.24
Fs40 Hz +6%
Qts0.34 −11%, better
Vas24 L +5%
BL7 T·m −3%
Xmax7 mm +17%, better
Sensitivity87.8 dB +0.8
AccutonC158-8-085
£330.52Fs37 Hz –
Qts0.36 −5%
Vas27.3 L +19%, worse
BL7.7 T·m +6%
Xmax5 mm −17%, worse
Sensitivity87.5 dB +0.5
CelestionNTR06-1705D
No current priceFs49 Hz +30%, worse
Qts0.38 –
Vas21.4 L −6%
BL8.2 T·m +13%, better
Xmax6 mm –
Sensitivity90 dB +3, better
HiViS6.5R
No current priceFs41 Hz +9%
Qts0.38 –
Vas23.2 L –
BL6.5 T·m −10%, worse
Xmax5.8 mm −3%
Sensitivity87.8 dB +0.8
HiViSS6.5R
No current priceFs42 Hz +12%, worse
Qts0.39 –
Vas21.6 L −6%
BL6.5 T·m −10%, worse
Xmax5.8 mm −3%
Sensitivity87.7 dB +0.7
HiViSS6.5
No current priceFs42 Hz +12%, worse
Qts0.39 –
Vas24.8 L +8%
BL6.4 T·m −12%, worse
Xmax5.8 mm −3%
Sensitivity88.1 dB +1.1
WavecorWF182BD09
No current priceFs33 Hz −12%, better
Qts0.35 −8%
Vas24.3 L +6%
BL6.5 T·m −10%, worse
Xmax5.5 mm −8%
Sensitivity85.8 dB −1.2
PurifiPTT6.5W08-NAA-08
No current priceFs35 Hz −7%
Qts0.35 −8%
Vas23.8 L +4%
BL9.4 T·m +30%, better
Xmax5.9 mm –
Sensitivity86.4 dB −0.6
VoltCX160.1
No current priceFs40 Hz +6%
Qts0.35 −8%
Vas22.6 L –
BL9.5 T·m +31%, better
Xmax6 mm –
Sensitivity88.1 dB +1.1
HiViSS6N
No current priceFs44 Hz +17%, worse
Qts0.36 −5%
Vas23.9 L +4%
BL7.6 T·m +5%
Xmax4.3 mm −28%, worse
Sensitivity89.1 dB +2.1, better
HiViS6N
No current priceFs45 Hz +20%, worse
Qts0.35 −8%
Vas23.4 L –
BL7.6 T·m +5%
Xmax4.3 mm −28%, worse
Sensitivity89.4 dB +2.4, better
WavecorWF182BD11
No current priceFs34 Hz −10%
Qts0.42 +11%, worse
Vas24.3 L +6%
BL8.2 T·m +13%, better
Xmax5.5 mm −8%
Sensitivity85.4 dB −1.6
WavecorWF182BD19
No current priceFs34 Hz −10%
Qts0.42 +11%, worse
Vas24.3 L +6%
BL8.2 T·m +13%, better
Xmax5.5 mm −8%
Sensitivity85.4 dB −1.6
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.