Dayton AudioSIG180-4
£41.13 · 48% less, betterFs41 Hz +7%
Qts0.38 +6%
Vas23.2 L –
BL6.6 T·m −9%
Xmax5 mm −17%, worse
Sensitivity87.8 dB +1.8
7-inch LF driver · 60 W
Dayton Audio RS180S-8 8Ω
8 Ω · 41–3600 Hz
- Fs
- 38Hz
- Xmax
- 6mm
- SPL
- 86dB
- Pe
- 60W
- BL
- 7.3T·m
- Vd
- 75cm³
- Qts
- 0.36
- Vas
- 23L
Manufacturer response and impedance data, with source and trace details below. The left and right arrow keys read every shown curve at a frequency, a twelfth of an octave at a time, or an octave with Shift. Escape clears the reading.
Curve provenanceInspect 5 traces
These plotted lines are Bits digitizations of manufacturer evidence, not new measurements. How provenance works
- Trace datasheet-response-trace-poc/v1
15 degrees
Frequency response
240 plotted pointsMedium confidence1,664 selected pixels of 1,768 - Trace datasheet-response-trace-poc/v1
30 degrees
Frequency response
240 plotted pointsMedium confidence512 selected pixels of 1,608 - Trace datasheet-response-trace-poc/v1
45 degrees
Frequency response
240 plotted pointsMedium confidence959 selected pixels of 2,409 - Trace datasheet-response-trace-poc/v1
on-axis
Frequency response
240 plotted pointsMedium confidence1,606 selected pixels of 1,606 - Trace datasheet-response-trace-poc/v1
impedance
Impedance response
240 plotted pointsMedium confidence1,075 selected pixels of 1,075
Dayton Audio RS180S-8 is a 7-inch 8 ohm LF driver rated at 60 W RMS. The validated T/S data includes Fs 38 Hz, Qts 0.36, Vas 23 L, Xmax 6 mm, sensitivity 86 dB, plus 75 cm³ Vd and 77 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 £78.62.
The published T/S values agree with each other
Thiele/Small
- Fs
- 38Hz
- Qts
- 0.36
- Qes
- 0.49
- Qms
- 1.4
- Vas
- 23L
- Re
- 6.4Ω
- Le
- 0.79mH
Motor and cone
- BL
- 7.3T·m
- Sd
- 125cm²
- Mms
- 17g
- Xmax
- 6mm
- Vd †
- 75cm³
Power and response
- Sensitivity †
- 86dB
- Manufacturer sensitivity
- 86.9dB
- Power
- 60W
- Impedance
- 8Ω
- Range
- 41–3600Hz
- EBP †
- 77 · Sealed or vented
Size and mounting
- Diameter
- 180.5mm
- Cutout
- 146mm
- Depth
- 98mm
- Weight
- 2.5kg
Other published values
- Cms
- 1.05mm/N
- Power Peak
- 120
† Calculated by bits from the published values
What this validation status means
Everything else Dayton Audio lists
LF · Primary · 7″
- BL
- 7.3T·m
- Fs
- 38Hz
- Le
- 0.79mH
- Re
- 6.4Ω
- Sd
- 125cm²
- Cms
- 1.05mm/N
- Mms
- 17g
- Qes
- 0.49
- Qms
- 1.4
- Qts
- 0.36
- SPL
- 86dB
- Vas
- 23L
- Xmax
- 6mm
- Power
- 60W
- Impedance
- 8Ω
- Power Peak
- 120
- Sensitivity
- 86.9dB
- Low limit
- 41Hz
- Calculated sensitivity †
- 86dB
- High limit
- 3600Hz
- Manufacturer sensitivity
- 86.9dB
- Weight
- 2.5kg
- Diameter
- 180.5mm
- Depth
- 98mm
- Cutout
- 146mm
02
Compare
Same-size drivers, compared with the RS180S-8. Clear differences are green when better and red when worse.
This driverRS180S-8
Best price
£78.62
Fs
38 Hz
Qts
0.36
Vas
23 L
BL
7.3 T·m
Xmax
6 mm
Sensitivity
86 dB
Power
60 W
CIAREHW161N
£43.54 · 45% less, betterFs47 Hz +25%, worse
Qts0.37 –
Vas19.9 L −13%, better
BL7.4 T·m –
Xmax5 mm −17%, worse
Sensitivity88.6 dB +2.6, better
Sica6 H 1.5 CP
£55.18 · 30% less, betterFs46 Hz +22%, worse
Qts0.35 –
Vas16.6 L −28%, better
BL8.4 T·m +15%, better
Xmax6 mm –
Sensitivity88.3 dB +2.3, better
Sica6.5 H 1.5 CP
£56.02 · 29% less, betterFs45 Hz +20%, worse
Qts0.42 +17%, worse
Vas20.2 L −12%, better
BL7.0 T·m −4%
Xmax6 mm –
Sensitivity88.2 dB +2.2, better
MonacorSPH-176
£58.80 · 25% less, betterFs39 Hz +3%
Qts0.37 –
Vas27 L +17%, worse
BL7.7 T·m +6%
Xmax5.5 mm −8%
Sensitivity87.6 dB +1.6
Dayton AudioRS180P-8
£59.83 · 24% less, betterFs46 Hz +21%, worse
Qts0.34 −6%
Vas22 L −4%
BL7.2 T·m –
Xmax6 mm –
Sensitivity88.8 dB +2.8, better
Dayton AudioRS180-8
£59.83 · 24% less, betterFs36 Hz −5%
Qts0.31 −14%, better
Vas24.4 L +6%
BL7.8 T·m +7%
Xmax6 mm –
Sensitivity86.3 dB –
CIAREHW172
£62.80 · 20% less, betterFs46 Hz +22%, worse
Qts0.37 –
Vas20 L −13%, better
BL7.6 T·m +4%
Xmax4.5 mm −25%, worse
Sensitivity88.4 dB +2.4, better
Dayton AudioRS225P-4A
£67.31 · 14% less, betterFs38 Hz –
Qts0.38 +6%
Vas45.8 L +99%, worse
BL6.4 T·m −12%, worse
Xmax6 mm –
Sensitivity89.1 dB +3.1, better
Eighteen Sound8MB500
£97.97 · 25% more, worseFs74 Hz +96%, worse
Qts0.43 +19%, worse
Vas21.5 L −7%
BL9 T·m +24%, better
Xmax6 mm –
Sensitivity94.4 dB +8.4, better
SEASH1456-08 ER18RNX
£109.29 · 39% more, worseFs37 Hz –
Qts0.32 −11%, better
Vas32 L +39%, worse
BL7.2 T·m –
Xmax6 mm –
Sensitivity88.2 dB +2.2, better
WavecorWF182BD17
£121.93 · 55% more, worseFs33 Hz −12%, better
Qts0.35 –
Vas24.3 L +6%
BL6.5 T·m −11%, worse
Xmax5.5 mm −8%
Sensitivity85.8 dB –
£125.61 · 60% more, worse
Fs43 Hz +14%, worse
Qts0.37 –
Vas22 L −4%
BL6.9 T·m −5%
Xmax6 mm –
Sensitivity87.9 dB +1.9
Scanspeak15W/8531K00
£150.70 · 92% more, worseFs39 Hz +3%
Qts0.38 +6%
Vas16.7 L −27%, better
BL6.6 T·m −9%
Xmax6.5 mm +8%
Sensitivity85.8 dB –
Scanspeak18W/8542-10
£157.04 · 100% more, worseFs43 Hz +14%, worse
Qts0.35 –
Vas26 L +13%, worse
BL6.9 T·m −5%
Xmax6.5 mm +8%
Sensitivity88.7 dB +2.7, better
£239.40 · 204% more, worse
Fs40 Hz +6%
Qts0.34 −6%
Vas24 L +4%
BL7 T·m −4%
Xmax7 mm +17%, better
Sensitivity87.8 dB +1.8
AccutonC158-8-085
£326.51 · 315% more, worseFs37 Hz –
Qts0.36 –
Vas27.3 L +19%, worse
BL7.7 T·m +6%
Xmax5 mm −17%, worse
Sensitivity87.5 dB +1.5
RS SpeakersW 174.38 FIBONACCI
No current priceFs38 Hz –
Qts0.38 +6%
Vas22.9 L –
BL7.2 T·m –
Xmax6 mm –
Sensitivity87 dB +1
HiViS6.5R
No current priceFs41 Hz +9%
Qts0.38 +6%
Vas23.2 L –
BL6.5 T·m −11%, worse
Xmax5.8 mm −3%
Sensitivity87.8 dB +1.8
CelestionNTR06-1705D
No current priceFs49 Hz +30%, worse
Qts0.38 +5%
Vas21.4 L −7%
BL8.2 T·m +12%, better
Xmax6 mm –
Sensitivity90 dB +4, better
HiViSS6.5
No current priceFs42 Hz +11%, worse
Qts0.39 +8%
Vas24.8 L +8%
BL6.4 T·m −12%, worse
Xmax5.8 mm −3%
Sensitivity88.1 dB +2.1, better
HiViSS6.5R
No current priceFs42 Hz +11%, worse
Qts0.39 +8%
Vas21.6 L −6%
BL6.5 T·m −11%, worse
Xmax5.8 mm −3%
Sensitivity87.7 dB +1.7
WavecorWF182BD09
No current priceFs33 Hz −12%, better
Qts0.35 –
Vas24.3 L +6%
BL6.5 T·m −11%, worse
Xmax5.5 mm −8%
Sensitivity85.8 dB –
Eighteen Sound8MB400
No current priceFs64 Hz +70%, worse
Qts0.38 +6%
Vas23.9 L +4%
BL9.3 T·m +28%, better
Xmax5.8 mm −3%
Sensitivity93.7 dB +7.7, better
HiViS6.5
No current priceFs47 Hz +25%, worse
Qts0.42 +17%, worse
Vas18.4 L −20%, better
BL6.4 T·m −12%, worse
Xmax5.8 mm −3%
Sensitivity88.1 dB +2.1, better
HiViSS6N
No current priceFs44 Hz +17%, worse
Qts0.36 –
Vas23.9 L +4%
BL7.6 T·m +4%
Xmax4.3 mm −28%, worse
Sensitivity89.1 dB +3.1, better
WavecorWF182BD11
No current priceFs34 Hz −10%
Qts0.42 +17%, worse
Vas24.3 L +6%
BL8.2 T·m +13%, better
Xmax5.5 mm −8%
Sensitivity85.4 dB −0.6
WavecorWF182BD19
No current priceFs34 Hz −10%
Qts0.42 +17%, worse
Vas24.3 L +6%
BL8.2 T·m +13%, better
Xmax5.5 mm −8%
Sensitivity85.4 dB −0.6
PurifiPTT6.5W08-NAA-08
No current priceFs35 Hz −7%
Qts0.35 –
Vas23.8 L +3%
BL9.4 T·m +29%, better
Xmax5.9 mm –
Sensitivity86.4 dB –
VoltCX160.1
No current priceFs40 Hz +6%
Qts0.35 –
Vas22.6 L –
BL9.5 T·m +30%, better
Xmax6 mm –
Sensitivity88.1 dB +2.1, better
Tune the match
Choose the published values that matter to your design. Size stays matched to this driver.
Qts
Qes
VasL
Xmaxmm
BLTm
- Parts Express4.6 out of 541 ratings · Checked 26 Oct 2026Read reviews on Parts Express
- SoundImports4.3 out of 53 ratings · Checked 26 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 |
|---|---|---|---|---|
RumoH Import VAT and duty may apply | £78.62, the lowest price | Stock not listed | Visit shop at RumoH | |
Parts Express Import VAT and duty may apply | £59.83 | Out of stock | Visit shop at Parts Express | |
Audiophonics Import VAT and duty may apply | £92.02 | 17% above the lowest price | In stock | Visit shop at Audiophonics |
SoundImports Import VAT and duty may apply | £100.44 | 28% above the lowest price | 6 in stock | Visit shop at SoundImports |
Best price over time
Tracked since 1 Apr
Recent changes
- 12 AugParts Express£56.09 → £59.83Up 6.7% from £56.09