Dayton AudioDSA175-8
£41.63 · 88% less, betterFs38 Hz –
Qts0.29 −15%, better
Vas18.7 L −13%, better
BL9.8 T·m +11%, better
Xmax5.3 mm +6%
Sensitivity86.8 dB −0.5
7-inch LF driver · Ceramic series · 38 mm voice coil · 120 W
Accuton C173-6-191 6Ω
6 Ω · 35–2800 Hz
£366.20
2.6%Willys-Hifi · All 4 offers
- Fs
- 39Hz
- Xmax
- 5mm
- SPL
- 87dB
- Pe
- 120W
- BL
- 8.8T·m
- Vd
- 67cm³
- Qts
- 0.34
- Vas
- 22L
Published graphs
Accuton C173-6-191 is a 7-inch 6 ohm LF driver rated at 120 W RMS. The validated T/S data includes Fs 39 Hz, Qts 0.34, Vas 21.6 L, Xmax 5 mm, sensitivity 87.3 dB, plus 67 cm³ Vd and 104 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 £338.74.
The published T/S values agree with each other
Thiele/Small
- Fs
- 39Hz
- Qts
- 0.34
- Qes
- 0.37
- Qms
- 5.3
- Vas
- 21.6L
- Re
- 5.9Ω
- Le
- 0.72mH
Motor and cone
- BL
- 8.8T·m
- Sd
- 133cm²
- Mms
- 20g
- Xmax
- 5mm
- Vd †
- 67cm³
- Voice coil
- 38mm
Power and response
- Sensitivity †
- 87.3dB
- Manufacturer sensitivity
- 88dB
- Power
- 120W
- Impedance
- 6Ω
- Range
- 35–2800Hz
- EBP †
- 104 · Leans vented
Size and mounting
- Diameter
- 173mm
- Cutout
- 146mm
- Depth
- 94.5mm
Other published values
- Cms
- 0.86mm/N
- Rms
- 0.91kg/s
Other dimensions
- Mounting Depth
- 42
† Calculated by bits from the published values
What this validation status means
Everything else Accuton lists
LF · Primary · 7″
- BL
- 8.8T·m
- Fs
- 39Hz
- Le
- 0.72mH
- Re
- 5.9Ω
- Sd
- 133cm²
- Cms
- 0.86mm/N
- Mms
- 20g
- Qes
- 0.37
- Qms
- 5.3
- Qts
- 0.34
- Rms
- 0.91kg/s
- SPL
- 87.3dB
- Vas
- 21.6L
- Xmax
- 5mm
- Power
- 120W
- Impedance
- 6Ω
- Sensitivity
- 88dB
- Low limit
- 35Hz
- Calculated sensitivity †
- 87.3dB
- High limit
- 2800Hz
- Manufacturer sensitivity
- 88dB
- Voice coil
- 38mm
- Diameter
- 173mm
- Depth
- 94.5mm
- Mounting Depth
- 42
- Cutout
- 146mm
02
Compare
Same-size drivers, compared with the C173-6-191. Clear differences are green when better and red when worse.
This driverC173-6-191
Best price
£338.74
Fs
39 Hz
Qts
0.34
Vas
21.6 L
BL
8.8 T·m
Xmax
5 mm
Sensitivity
87.3 dB
Power
120 W
HiViF6
£42.31 · 88% less, betterFs45 Hz +17%, worse
Qts0.35 –
Vas16.4 L −24%, better
BL9 T·m –
Xmax4.3 mm −14%, worse
Sensitivity88 dB +0.7
CIAREHW162
£48.28 · 86% less, betterFs44 Hz +14%, worse
Qts0.33 –
Vas24.8 L +15%, worse
BL7.5 T·m −15%, worse
Xmax4.5 mm −10%, worse
Sensitivity89.4 dB +2.1, better
Sica6 H 1.5 CP
£55.81 · 84% less, betterFs46 Hz +19%, worse
Qts0.35 –
Vas16.6 L −23%, better
BL8.4 T·m −5%
Xmax6 mm +20%, better
Sensitivity88.3 dB +1
PRV Audio8MR600X-4
£68.08 · 80% less, betterFs77 Hz +100%, worse
Qts0.34 –
Vas19.6 L −9%
BL8.9 T·m –
Xmax5.1 mm –
Sensitivity96 dB +8.7, better
Sica8 S 2.5 CP
£81.22 · 76% less, betterFs54 Hz +40%, worse
Qts0.33 –
Vas18.6 L −14%, better
BL11.9 T·m +35%, better
Xmax5 mm –
Sensitivity91 dB +3.7, better
WavecorWF182BD17
£123.42 · 64% less, betterFs33 Hz −15%, better
Qts0.35 –
Vas24.3 L +12%, worse
BL6.5 T·m −26%, worse
Xmax5.5 mm +10%, better
Sensitivity85.8 dB −1.5
WavecorWF182BD16
£193.95 · 43% less, betterFs37 Hz −4%
Qts0.30 −12%, better
Vas23 L +6%
BL8.5 T·m −3%
Xmax5.5 mm +10%, better
Sensitivity87.8 dB +0.5
Eighteen Sound8CX401F
£199.68 · 41% less, betterFs56 Hz +45%, worse
Qts0.34 –
Vas23.9 L +11%, worse
BL9.3 T·m +6%
Xmax5.8 mm +16%, better
Sensitivity92.5 dB +5.2, better
AccutonC158-8-085
£330.27 · 3% lessFs37 Hz −4%
Qts0.36 +6%
Vas27.3 L +26%, worse
BL7.7 T·m −13%, worse
Xmax5 mm –
Sensitivity87.5 dB –
£398.03 · 18% more, worse
Fs25 Hz −35%, better
Qts0.34 –
Vas98 L +354%, worse
BL8.1 T·m −8%
Xmax5 mm –
Sensitivity87.8 dB +0.5
WavecorWF182BD07
No current priceFs40 Hz +4%
Qts0.34 –
Vas24.4 L +13%, worse
BL8.5 T·m −3%
Xmax5.5 mm +10%, better
Sensitivity88.5 dB +1.2
PRV AudioMT8MB600CF-NDY-4
No current priceFs65 Hz +67%, worse
Qts0.37 +9%
Vas18.8 L −13%, better
BL9.3 T·m +6%
Xmax4.8 mm −5%
Sensitivity93.3 dB +6, better
WavecorWF182BD15
No current priceFs39 Hz –
Qts0.32 −6%
Vas20.8 L −4%
BL8.5 T·m −3%
Xmax5.5 mm +10%, better
Sensitivity87.8 dB +0.5
PurifiPTT6.5W08-NFA-06
No current priceFs38 Hz –
Qts0.33 –
Vas22.5 L +4%
BL9.5 T·m +8%
Xmax5.9 mm +18%, better
Sensitivity87.4 dB –
PurifiPTT6.5W08-NAA-08
No current priceFs35 Hz −9%
Qts0.35 –
Vas23.8 L +10%, worse
BL9.4 T·m +7%
Xmax5.9 mm +18%, better
Sensitivity86.4 dB −0.9
VoltCX160.1
No current priceFs40 Hz +4%
Qts0.35 –
Vas22.6 L +5%
BL9.5 T·m +8%
Xmax6 mm +20%, better
Sensitivity88.1 dB +0.8
HiViS6N
No current priceFs45 Hz +17%, worse
Qts0.35 –
Vas23.4 L +8%
BL7.6 T·m −14%, worse
Xmax4.3 mm −14%, worse
Sensitivity89.4 dB +2.1, better
CIARECW169
No current priceFs46 Hz +19%, worse
Qts0.32 −6%
Vas21.2 L –
BL5.9 T·m −33%, worse
Xmax5 mm –
Sensitivity89.3 dB +2, better
CIARECMI200
No current priceFs80 Hz +107%, worse
Qts0.34 –
Vas12 L −44%, better
BL9.6 T·m +9%
Xmax4.5 mm −10%, worse
Sensitivity94.4 dB +7.1, better
WavecorWF182BD09
No current priceFs33 Hz −15%, better
Qts0.35 –
Vas24.3 L +12%, worse
BL6.5 T·m −26%, worse
Xmax5.5 mm +10%, better
Sensitivity85.8 dB −1.5
Beyma6CX200FE
No current priceFs65 Hz +68%, worse
Qts0.32 −6%
Vas10.5 L −51%, better
BL9.2 T·m +5%
Xmax5 mm –
Sensitivity91.3 dB +4, better
BMS6CN160
No current priceFs79 Hz +105%, worse
Qts0.34 –
Vas8.9 L −59%, better
BL10 T·m +14%, better
Xmax5 mm –
Sensitivity92.7 dB +5.4, better
PurifiPTT6.5X08-NFA-06
No current priceFs31 Hz −20%, better
Qts0.34 –
Vas26 L +20%, worse
BL8.9 T·m –
Xmax9.8 mm +96%, better
Sensitivity85.4 dB −1.9
PRV Audio6MB550FT-4
No current priceFs86 Hz +123%, worse
Qts0.34 –
Vas6.6 L −69%, better
BL8.6 T·m –
Xmax5.4 mm +8%
Sensitivity92.9 dB +5.6, better
FaitalPRO6FE400
No current priceFs100 Hz +159%, worse
Qts0.36 +6%
Vas4.9 L −77%, better
BL8.8 T·m –
Xmax4.9 mm –
Sensitivity93 dB +5.7, better
HiViSS6N
No current priceFs44 Hz +14%, worse
Qts0.36 +6%
Vas23.9 L +11%, worse
BL7.6 T·m −14%, worse
Xmax4.3 mm −14%, worse
Sensitivity89.1 dB +1.8
No current price
Fs32 Hz −17%, better
Qts0.30 −12%, better
Vas29 L +34%, worse
BL8.5 T·m −3%
Xmax5 mm –
Sensitivity86.8 dB −0.5
CIARECMI200ND
No current priceFs80 Hz +107%, worse
Qts0.37 +9%
Vas12.5 L −42%, better
BL8.8 T·m –
Xmax4.5 mm −10%, worse
Sensitivity94.2 dB +6.9, better
PurifiPTT6.5X04-NAA-08
No current priceFs32 Hz −17%, better
Qts0.35 –
Vas20.5 L −5%
BL7.8 T·m −11%, worse
Xmax9.8 mm +96%, better
Sensitivity84.6 dB −2.7, worse
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 51 rating · Checked 9 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 |
|---|---|---|---|---|
Willys-Hifi | £366.20, the lowest price | Stock not listed | Visit shop at Willys-Hifi | |
SoundImports Import VAT and duty may apply | £338.74 | 5 in stock | Visit shop at SoundImports | |
RumoH Import VAT and duty may apply | £404.00 | 10% above the lowest price | Stock not listed | Visit shop at RumoH |
Best price over time
Tracked since 1 Apr
Recent changes
- 1 OctWillys-Hifi£375.95 → £366.20Down 2.6% from £375.95
- 30 SepWillys-Hifi£373.95 → £375.95Up 0.5% from £373.95
- 29 SepWillys-Hifi£374.95 → £373.95Down 0.3% from £374.95