Dayton AudioGF180-4
£18.70 · 68% less, betterFs49 Hz –
Qts0.42 –
Vas16.5 L −15%, better
BL6.5 T·m −10%
Xmax4 mm −5%
Sensitivity88.1 dB −1.2
7-inch LF driver · Discovery series · 32 mm voice coil · 55 W
Scanspeak 18W/8434G00 8Ω
8 Ω
- Fs
- 50Hz
- Xmax
- 4.2mm
- SPL
- 89dB
- Pe
- 55W
- BL
- 7.2T·m
- Vd
- 58cm³
- Qts
- 0.43
- Vas
- 20L
Scanspeak 18W/8434G00 is a 7-inch 8 ohm LF driver rated at 55 W RMS. The validated T/S data includes Fs 50 Hz, Qts 0.43, Vas 19.5 L, Xmax 4.2 mm, sensitivity 89.3 dB, plus 58 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 £57.57.
The published T/S values agree with each other
Thiele/Small
- Fs
- 50Hz
- Qts
- 0.43
- Qes
- 0.46
- Qms
- 7.6
- Vas
- 19.5L
- Re
- 5.6Ω
- Le
- 0.55mH
Motor and cone
- BL
- 7.2T·m
- Sd
- 137cm²
- Mms
- 14g
- Xmax
- 4.2mm
- Vd †
- 58cm³
- Voice coil
- 32mm
Power and response
- Sensitivity †
- 89.3dB
- Manufacturer sensitivity
- 88.5dB
- Power
- 55W
- Impedance
- 8Ω
- Min. impedance
- 6.7Ω
- EBP †
- 109 · Leans vented
Size and mounting
- Diameter
- 180mm
Other published values
- Cms
- 0.74mm/N
- Rms
- 0.57kg/s
- Xmech
- 8
- Power Peak
- 170
† Calculated by bits from the published values
What this validation status means
Everything else Scanspeak lists
LF · Primary · 7″
- BL
- 7.2T·m
- Fs
- 50Hz
- Le
- 0.55mH
- Re
- 5.6Ω
- Sd
- 137cm²
- Cms
- 0.74mm/N
- Mms
- 14g
- Qes
- 0.46
- Qms
- 7.6
- Qts
- 0.43
- Rms
- 0.57kg/s
- SPL
- 89.3dB
- Vas
- 19.5L
- Xmax
- 4.2mm
- Xmech
- 8
- Power
- 55W
- Impedance
- 8Ω
- Power Peak
- 170
- Sensitivity
- 88.5dB
- Calculated sensitivity †
- 89.3dB
- Manufacturer sensitivity
- 88.5dB
- Min. impedance
- 6.7Ω
- Voice coil
- 32mm
- Diameter
- 180mm
02
Compare
Same-size drivers, compared with the 18W/8434G00. Clear differences are green when better and red when worse.
This driver18W/8434G00
Best price
£57.57
Fs
50 Hz
Qts
0.43
Vas
19.5 L
BL
7.2 T·m
Xmax
4.2 mm
Sensitivity
89.3 dB
Power
55 W
HiViM6N
£20.93 · 64% less, betterFs46 Hz −8%
Qts0.39 −9%
Vas21.9 L +12%, worse
BL7.8 T·m +8%
Xmax4.3 mm –
Sensitivity89.1 dB –
SB AcousticsSB16PFCR25-8
£24.27 · 58% less, betterFs38 Hz −24%, better
Qts0.40 −7%
Vas27 L +38%, worse
BL6.2 T·m −14%, worse
Xmax4.5 mm +7%
Sensitivity86.9 dB −2.4, worse
SB AcousticsSB16PFC25-8
£27.08 · 53% less, betterFs38 Hz −24%, better
Qts0.40 −7%
Vas27 L +38%, worse
BL6.2 T·m −14%, worse
Xmax4.5 mm +7%
Sensitivity86.9 dB −2.4, worse
FaitalPRO8FE200
£33.72 · 41% less, betterFs80 Hz +60%, worse
Qts0.45 +5%
Vas15.8 L −19%, better
BL7 T·m –
Xmax4.6 mm +10%
Sensitivity94.4 dB +5.1, better
PRV Audio8MR500-4
£37.34 · 35% less, betterFs78 Hz +56%, worse
Qts0.46 +7%
Vas20.8 L +7%
BL6.5 T·m −10%, worse
Xmax3.3 mm −23%, worse
Sensitivity95.2 dB +5.9, better
Dayton AudioDC160-4
£37.60 · 35% less, betterFs39 Hz −22%, better
Qts0.43 –
Vas15 L −23%, better
BL7.0 T·m –
Xmax3.4 mm −19%, worse
Sensitivity84.6 dB −4.7, worse
SB AcousticsSB20FRPC30-8
£37.67 · 35% less, betterFs39 Hz −21%, better
Qts0.45 +5%
Vas66.3 L +240%, worse
BL7.2 T·m –
Xmax4.1 mm –
Sensitivity91.4 dB +2.1, better
CIAREHW161N
£43.54 · 24% less, betterFs47 Hz −6%
Qts0.37 −14%, better
Vas19.9 L –
BL7.4 T·m +3%
Xmax5 mm +19%, better
Sensitivity88.6 dB −0.7
Sica6.5 H 1.5 CP
£56.02 · 3% lessFs45 Hz −9%
Qts0.42 –
Vas20.2 L +4%
BL7.0 T·m –
Xmax6 mm +43%, better
Sensitivity88.2 dB −1.1
CIAREHW172
£62.80 · 9% more, worseFs46 Hz −8%
Qts0.37 −14%, better
Vas20 L –
BL7.6 T·m +5%
Xmax4.5 mm +7%
Sensitivity88.4 dB −0.9
CIARECME200
£67.27 · 17% more, worseFs76 Hz +52%, worse
Qts0.37 −14%, better
Vas18 L −8%
BL7.3 T·m –
Xmax3.5 mm −17%, worse
Sensitivity95.1 dB +5.8, better
FountekFW168K
£87.88 · 53% more, worseFs49 Hz –
Qts0.43 –
Vas15.1 L −23%, better
BL7.9 T·m +10%
Xmax5 mm +19%, better
Sensitivity87.2 dB −2.1, worse
CIARECMI160ND
£129.04 · 124% more, worseFs73 Hz +46%, worse
Qts0.41 −5%
Vas6 L −69%, better
BL7.8 T·m +8%
Xmax4.5 mm +7%
Sensitivity89.2 dB –
RS SpeakersMW 174.38 FIBONACCI
£145.69 · 153% more, worseFs46 Hz −9%
Qts0.39 −9%
Vas18.7 L −4%
BL7.0 T·m –
Xmax4.5 mm +7%
Sensitivity88.3 dB −1
AccutonC168-6-890
£921.00 · 1500% more, worseFs41 Hz −18%, better
Qts0.44 –
Vas15 L −23%, better
BL7.5 T·m +4%
Xmax5 mm +19%, better
Sensitivity85.3 dB −4, worse
HiViF6N
No current priceFs48 Hz −4%
Qts0.43 –
Vas19.1 L –
BL7.3 T·m –
Xmax4.5 mm +7%
Sensitivity88.7 dB −0.6
HiViE6.5N
No current priceFs43 Hz −14%, better
Qts0.40 −7%
Vas21 L +8%
BL7.1 T·m –
Xmax4.3 mm –
Sensitivity87.2 dB −2.1, worse
CIARECME201
No current priceFs60 Hz +20%, worse
Qts0.40 −7%
Vas21.5 L +10%, worse
BL7.5 T·m +4%
Xmax4.5 mm +7%
Sensitivity92.3 dB +3, better
Tang BandW6-2313
No current priceFs50 Hz –
Qts0.40 −7%
Vas13.3 L −32%, better
BL7.1 T·m –
Xmax4 mm −5%
Sensitivity87.8 dB −1.5
Sica6.5 C 1.5 CP
No current priceFs51 Hz –
Qts0.39 −9%
Vas15.9 L −18%, better
BL7.2 T·m –
Xmax4.5 mm +7%
Sensitivity89 dB –
Dayton AudioCFC180-4
No current priceFs52 Hz +4%
Qts0.43 –
Vas11.5 L −41%, better
BL6.8 T·m −6%
Xmax4 mm −5%
Sensitivity87.1 dB −2.2, worse
Tang BandW6-658I
No current priceFs45 Hz −10%, better
Qts0.44 –
Vas28.3 L +45%, worse
BL6.3 T·m −12%, worse
Xmax4.1 mm –
Sensitivity89.2 dB –
CIARECMI160
No current priceFs70 Hz +40%, worse
Qts0.41 −5%
Vas7.8 L −60%, better
BL7.2 T·m –
Xmax4.5 mm +7%
Sensitivity89.8 dB +0.5
Tang BandW6-623I
No current priceFs46 Hz −8%
Qts0.41 −5%
Vas29.8 L +53%, worse
BL6.7 T·m −7%
Xmax4 mm −5%
Sensitivity90.1 dB +0.8
HiViS6.5
No current priceFs47 Hz −6%
Qts0.42 –
Vas18.4 L −6%
BL6.4 T·m −11%, worse
Xmax5.8 mm +38%, better
Sensitivity88.1 dB −1.2
HiViSS6N
No current priceFs44 Hz −12%, better
Qts0.36 −16%, better
Vas23.9 L +23%, worse
BL7.6 T·m +6%
Xmax4.3 mm –
Sensitivity89.1 dB –
WavecorWF152BD11
No current priceFs53 Hz +6%
Qts0.40 −7%
Vas8.6 L −56%, better
BL7.2 T·m –
Xmax4.5 mm +7%
Sensitivity86.9 dB −2.4, worse
HiViS6N
No current priceFs45 Hz −10%, better
Qts0.35 −19%, better
Vas23.4 L +20%, worse
BL7.6 T·m +6%
Xmax4.3 mm –
Sensitivity89.4 dB –
CIARECW161N
No current priceFs52 Hz +4%
Qts0.35 −19%, better
Vas17.4 L −11%, better
BL6.1 T·m −16%, worse
Xmax4 mm −5%
Sensitivity89.7 dB –
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 25 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 |
|---|---|---|---|---|
Hifi Collective | £57.57, the lowest price | 5 in stock | Visit shop at Hifi Collective | |
Falcon Acoustics | £82.44 | 43% above the lowest price | In stock | Visit shop at Falcon Acoustics |
Willys-Hifi | £87.05 | 51% above the lowest price | Stock not listed | Visit shop at Willys-Hifi |
SoundImports Import VAT and duty may apply | £78.25 | 36% above the lowest price | 14 in stock | Visit shop at SoundImports |
Best price over time
Tracked since 1 Apr
Recent changes
- 1 OctWillys-Hifi£89.95 → £87.05Down 3.2% from £89.95
- 30 SepWillys-Hifi£88.95 → £89.95Up 1.1% from £88.95
- 29 SepWillys-Hifi£89.95 → £88.95Down 1.1% from £89.95