Dayton AudioGF180-4
£18.70 · 95% less, betterFs49 Hz +44%, worse
Qts0.42 –
Vas16.5 L −45%, better
BL6.5 T·m –
Xmax4 mm −20%, worse
Sensitivity88.1 dB +2.3, better
6.5-inch LF driver · Excel series · 39 mm voice coil · 100 W
SEAS E0018-08S W18E001 8Ω
8 Ω · 40–2500 Hz
£383.94
Falcon Acoustics · In stock · All 2 offers
- Fs
- 34Hz
- Xmax
- 5mm
- SPL
- 86dB
- Pe
- 100W
- BL
- 6.6T·m
- Vd
- 63cm³
- Qts
- 0.42
- Vas
- 30L
Published graphs
SEAS E0018-08S W18E001 is a 6.5-inch 8 ohm LF driver rated at 100 W RMS. The validated T/S data includes Fs 34 Hz, Qts 0.42, Vas 30 L, Xmax 5 mm, sensitivity 85.8 dB, plus 63 cm³ Vd and 69 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 £376.75.
The published T/S values agree with each other
Thiele/Small
- Fs
- 34Hz
- Qts
- 0.42
- Qes
- 0.49
- Qms
- 2.9
- Vas
- 30L
- Re
- 6.1Ω
- Le
- 0.65mH
Motor and cone
- BL
- 6.6T·m
- Sd
- 126cm²
- Mms
- 16g
- Xmax
- 5mm
- Vd †
- 63cm³
- Voice coil
- 39mm
- Flux density
- 0.88T
Power and response
- Sensitivity †
- 85.8dB
- Manufacturer sensitivity
- 86dB
- Power
- 100W
- Impedance
- 8Ω
- Range
- 40–2500Hz
- EBP †
- 69 · Sealed or vented
Size and mounting
- Weight
- 1.8kg
Other published values
- Cms
- 1.40mm/N
- Rms
- 1.20kg/s
- Xmech
- 9.5
- Power Peak
- 250
† Calculated by bits from the published values
What this validation status means
Everything else SEAS lists
LF · Primary · 6.5″
- BL
- 6.6T·m
- Fs
- 34Hz
- Le
- 0.65mH
- Re
- 6.1Ω
- Sd
- 126cm²
- Cms
- 1.40mm/N
- Mms
- 16g
- Qes
- 0.49
- Qms
- 2.9
- Qts
- 0.42
- Rms
- 1.20kg/s
- SPL
- 85.8dB
- Vas
- 30L
- Xmax
- 5mm
- Xmech
- 9.5
- Power
- 100W
- Impedance
- 8Ω
- Power Peak
- 250
- Flux density
- 0.88T
- Sensitivity
- 86dB
- Low limit
- 40Hz
- Calculated sensitivity †
- 85.8dB
- High limit
- 2500Hz
- Manufacturer sensitivity
- 86dB
- Voice coil
- 39mm
- Weight
- 1.8kg
02
Compare
Same-size drivers, compared with the E0018-08S W18E001. Clear differences are green when better and red when worse.
This driverE0018-08S W18E001
Best price
£376.75
Fs
34 Hz
Qts
0.42
Vas
30 L
BL
6.6 T·m
Xmax
5 mm
Sensitivity
85.8 dB
Power
100 W
SB AcousticsSB16PFCR25-8
£24.27 · 94% less, betterFs38 Hz +12%, worse
Qts0.40 −5%
Vas27 L −10%, better
BL6.2 T·m −6%
Xmax4.5 mm −10%, worse
Sensitivity86.9 dB +1.1
SB AcousticsSB16PFC25-8
£27.08 · 93% less, betterFs38 Hz +12%, worse
Qts0.40 −5%
Vas27 L −10%, better
BL6.2 T·m −6%
Xmax4.5 mm −10%, worse
Sensitivity86.9 dB +1.1
Dayton AudioSIG180-4
£41.13 · 89% less, betterFs41 Hz +19%, worse
Qts0.38 −10%
Vas23.2 L −23%, better
BL6.6 T·m –
Xmax5 mm –
Sensitivity87.8 dB +2, better
CIAREHW161N
£43.54 · 88% less, betterFs47 Hz +38%, worse
Qts0.37 −12%, better
Vas19.9 L −34%, better
BL7.4 T·m +12%, better
Xmax5 mm –
Sensitivity88.6 dB +2.8, better
SB AcousticsSB17NRX2C35-8
£55.41 · 85% less, betterFs37 Hz +7%
Qts0.42 –
Vas27 L −10%, better
BL6.3 T·m −5%
Xmax5.5 mm +10%, better
Sensitivity86.5 dB +0.7
Sica6.5 H 1.5 CP
£56.02 · 85% less, betterFs45 Hz +34%, worse
Qts0.42 –
Vas20.2 L −33%, better
BL7.0 T·m +6%
Xmax6 mm +20%, better
Sensitivity88.2 dB +2.4, better
Scanspeak18W/8434G00
£57.57 · 85% less, betterFs50 Hz +47%, worse
Qts0.43 –
Vas19.5 L −35%, better
BL7.2 T·m +9%
Xmax4.2 mm −16%, worse
Sensitivity89.3 dB +3.5, better
MonacorSPH-176
£58.80 · 84% less, betterFs39 Hz +15%, worse
Qts0.37 −12%, better
Vas27 L −10%, better
BL7.7 T·m +17%, better
Xmax5.5 mm +10%, better
Sensitivity87.6 dB +1.8
CIAREHWB160
£65.31 · 83% less, betterFs43 Hz +26%, worse
Qts0.37 −12%, better
Vas28 L −7%
BL7.3 T·m +11%, better
Xmax4.5 mm −10%, worse
Sensitivity89.4 dB +3.6, better
MonacorSPH-175HQ
£68.66 · 82% less, betterFs39 Hz +15%, worse
Qts0.42 –
Vas33 L +10%, worse
BL6.4 T·m −3%
Xmax5.5 mm +10%, better
Sensitivity88 dB +2.2, better
SB AcousticsSB17NAC35-8
£70.75 · 81% less, betterFs32 Hz −7%
Qts0.42 –
Vas33 L +10%, worse
BL6.2 T·m −6%
Xmax5.5 mm +10%, better
Sensitivity85.6 dB –
FountekFW168K
£87.88 · 77% less, betterFs49 Hz +43%, worse
Qts0.43 –
Vas15.1 L −50%, better
BL7.9 T·m +20%, better
Xmax5 mm –
Sensitivity87.2 dB +1.4
SEASH1217-08 CA18RLY
£90.62 · 76% less, betterFs42 Hz +24%, worse
Qts0.47 +12%, worse
Vas32 L +7%
BL5.6 T·m −15%, worse
Xmax5 mm –
Sensitivity88.3 dB +2.5, better
£152.39 · 60% less, better
Fs42 Hz +24%, worse
Qts0.39 −7%
Vas31 L +3%
BL6.6 T·m –
Xmax3 mm −40%, worse
Sensitivity89.4 dB +3.6, better
Scanspeak15W/8534T00
£154.86 · 59% less, betterFs32 Hz −6%
Qts0.39 −7%
Vas30 L –
BL5.5 T·m −17%, worse
Xmax5 mm –
Sensitivity85.6 dB –
AccutonC158-8-085
£326.51 · 13% less, betterFs37 Hz +9%
Qts0.36 −14%, better
Vas27.3 L −9%
BL7.7 T·m +17%, better
Xmax5 mm –
Sensitivity87.5 dB +1.7
AccutonC168-6-890
£921.00 · 144% more, worseFs41 Hz +21%, worse
Qts0.44 +5%
Vas15 L −50%, better
BL7.5 T·m +14%, better
Xmax5 mm –
Sensitivity85.3 dB −0.5
Tang BandW6-658I
No current priceFs45 Hz +32%, worse
Qts0.44 +5%
Vas28.3 L −6%
BL6.3 T·m −4%
Xmax4.1 mm −18%, worse
Sensitivity89.2 dB +3.4, better
Tang BandW6-623I
No current priceFs46 Hz +35%, worse
Qts0.41 –
Vas29.8 L –
BL6.7 T·m –
Xmax4 mm −20%, worse
Sensitivity90.1 dB +4.3, better
HiViS6.5
No current priceFs47 Hz +38%, worse
Qts0.42 –
Vas18.4 L −39%, better
BL6.4 T·m −3%
Xmax5.8 mm +16%, better
Sensitivity88.1 dB +2.3, better
RS SpeakersW 140.38 FIBONACCI
No current priceFs47 Hz +37%, worse
Qts0.41 –
Vas7.4 L −75%, better
BL6.8 T·m +3%
Xmax5 mm –
Sensitivity84.2 dB −1.6
HiViSS6.5
No current priceFs42 Hz +24%, worse
Qts0.39 −7%
Vas24.8 L −17%, better
BL6.4 T·m −3%
Xmax5.8 mm +16%, better
Sensitivity88.1 dB +2.3, better
HiViE6.5N
No current priceFs43 Hz +26%, worse
Qts0.40 −5%
Vas21 L −30%, better
BL7.1 T·m +8%
Xmax4.3 mm −15%, worse
Sensitivity87.2 dB +1.4
HiViF6N
No current priceFs48 Hz +41%, worse
Qts0.43 –
Vas19.1 L −36%, better
BL7.3 T·m +11%, better
Xmax4.5 mm −10%, worse
Sensitivity88.7 dB +2.9, better
WavecorWF182BD11
No current priceFs34 Hz –
Qts0.42 –
Vas24.3 L −19%, better
BL8.2 T·m +24%, better
Xmax5.5 mm +10%, better
Sensitivity85.4 dB –
WavecorWF182BD19
No current priceFs34 Hz –
Qts0.42 –
Vas24.3 L −19%, better
BL8.2 T·m +24%, better
Xmax5.5 mm +10%, better
Sensitivity85.4 dB –
HiViSS6.5R
No current priceFs42 Hz +24%, worse
Qts0.39 −7%
Vas21.6 L −28%, better
BL6.5 T·m –
Xmax5.8 mm +16%, better
Sensitivity87.7 dB +1.9
HiViS6.5R
No current priceFs41 Hz +21%, worse
Qts0.38 −10%
Vas23.2 L −23%, better
BL6.5 T·m –
Xmax5.8 mm +16%, better
Sensitivity87.8 dB +2, better
WavecorWF168OM01
No current priceFs39 Hz +15%, worse
Qts0.45 +7%
Vas29.5 L –
BL4.8 T·m −27%, worse
Xmax4.2 mm −16%, worse
Sensitivity87.7 dB +1.9
Tune the match
Choose the published values that matter to your design. Size stays matched to this driver.
Qts
Qes
VasL
Xmaxmm
BLTm
- SoundImports4.0 out of 51 rating · 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 |
|---|---|---|---|---|
Falcon Acoustics | £383.94, the lowest price | In stock | Visit shop at Falcon Acoustics | |
SoundImports Import VAT and duty may apply | £376.75 | 2 in stock | Visit shop at SoundImports |
Best price over time
Tracked since 21 Oct