GRS8PF-8
£16.29 · 37% less, betterFs50 Hz +6%
Qts0.98 −20%, better
Vas28.9 L −34%, better
BL6.5 T·m +18%, better
Xmax3 mm –
Sensitivity86.7 dB –
8-inch LF driver · WS series · 30 mm voice coil · 80 W
Visaton WS 20 E 8Ω
£35.94
SteadyImpact Audio · In stock · All 7 offers
- Fs
- 47Hz
- Xmax
- 3mm
- SPL
- 87dB
- Pe
- 80W
- BL
- 5.5T·m
- Vd
- 72cm³
- Qts
- 1.23
- Vas
- 44L
Published graphs
Visaton WS 20 E is an 8-inch 8 ohm LF driver rated at 80 W RMS. The validated T/S data includes Fs 47 Hz, Qts 1.23, Vas 44 L, Xmax 3 mm, sensitivity 86.6 dB, plus 72 cm³ Vd and 30 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 £25.91.
The published T/S values agree with each other
Thiele/Small
- Fs
- 47Hz
- Qts
- 1.23
- Qes
- 1.59
- Qms
- 5.4
- Vas
- 44L
- Re
- 6.8Ω
- Le
- 1mH
Motor and cone
- BL
- 5.5T·m
- Sd
- 240cm²
- Mms
- 21g
- Xmax Derived
- 3mm
- Vd †
- 72cm³
- Voice coil
- 30mm
- Flux density
- 0.85T
Power and response
- Sensitivity †
- 86.6dB
- Manufacturer sensitivity
- 88dB
- Power
- 80W
- Impedance
- 8Ω
- High limit
- 7000Hz
- EBP †
- 30 · Leans sealed
Size and mounting
- Diameter
- 200mm
- Cutout
- 186mm
- Weight
- 1.3kg
Other published values
- Xmech
- 6
- Power Peak
- 120
Sensitivity shows 86.6 dB, calculated from the T/S values. Visaton publishes 88.0 dB, 1.4 dB apart.
† Calculated by bits from the published values
What this validation status means
Everything else Visaton lists
LF · Primary · 8″
- BL
- 5.5T·m
- Fs
- 47Hz
- Le
- 1mH
- Re
- 6.8Ω
- Sd
- 240cm²
- Mms
- 21g
- Qes
- 1.59
- Qms
- 5.4
- Qts
- 1.23
- SPL
- 86.6dB
- Vas
- 44L
- Xmax
- 3mm
- Xmech
- 6
- Power
- 80W
- Impedance
- 8Ω
- Power Peak
- 120
- Flux density
- 0.85T
- Sensitivity
- 88dB
- Calculated sensitivity †
- 86.6dB
- High limit
- 7000Hz
- Manufacturer sensitivity
- 88dB
- Voice coil
- 30mm
- Weight
- 1.3kg
- Diameter
- 200mm
- Cutout
- 186mm
02
Compare
Same-size drivers, compared with the WS 20 E. Clear differences are green when better and red when worse.
This driverWS 20 E
Best price
£25.91
Fs
47 Hz
Qts
1.23
Vas
44 L
BL
5.5 T·m
Xmax
3 mm
Sensitivity
86.6 dB
Power
80 W
GRS8FR-8
£17.54 · 32% less, betterFs45 Hz −4%
Qts0.56 −54%, better
Vas37.0 L −16%, better
BL8.5 T·m +55%, better
Xmax3 mm –
Sensitivity89.3 dB +2.7, better
VisatonW 200
£26.00 · Same priceFs46 Hz –
Qts0.63 −49%, better
Vas51 L +16%, worse
BL5.9 T·m +7%
Xmax2 mm −33%, worse
Sensitivity90 dB +3.4, better
CIAREHW210
£36.00 · 39% more, worseFs41 Hz −13%, better
Qts0.84 −32%, better
Vas57.6 L +31%, worse
BL5.2 T·m −6%
Xmax5.3 mm +77%, better
Sensitivity87.8 dB +1.2
MonacorSPM-205/8
£38.40 · 48% more, worseFs37 Hz −21%, better
Qts0.70 −43%, better
Vas54 L +23%, worse
BL6.5 T·m +18%, better
Xmax3 mm –
Sensitivity86.8 dB –
MonacorSP-202E
£41.78 · 61% more, worseFs51 Hz +9%
Qts0.69 −44%, better
Vas39 L −11%, better
BL4.9 T·m −12%, worse
Xmax2.5 mm −17%, worse
Sensitivity90.1 dB +3.5, better
PRV Audio8FR250
£52.71 · 103% more, worseFs76 Hz +61%, worse
Qts1.02 −17%, better
Vas21.2 L −52%, better
BL6.5 T·m +19%, better
Xmax3.5 mm +17%, better
Sensitivity91.2 dB +4.6, better
Scanspeak18W/4424G00
£58.61 · 126% more, worseFs49 Hz +4%
Qts0.38 −69%, better
Vas24.1 L −45%, better
BL5.2 T·m −5%
Xmax2.8 mm −7%
Sensitivity90.3 dB +3.7, better
Dayton AudioRS225P-4A
£67.31 · 160% more, worseFs38 Hz −20%, better
Qts0.38 −69%, better
Vas45.8 L +4%
BL6.4 T·m +16%, better
Xmax6 mm +100%, better
Sensitivity89.1 dB +2.5, better
Dayton AudioRS225-4
£67.31 · 160% more, worseFs33 Hz −30%, better
Qts0.41 −67%, better
Vas46.4 L +5%
BL6.4 T·m +16%, better
Xmax6 mm +100%, better
Sensitivity87.1 dB +0.5
PRV Audio69MR500-4
£68.20 · 163% more, worseFs149 Hz +217%, worse
Qts1.12 −9%
Vas5.2 L −88%, better
BL5.9 T·m +7%
Xmax3.3 mm +8%
Sensitivity93.6 dB +7, better
Tang BandW8-2145
£150.67 · 482% more, worseFs40 Hz −15%, better
Qts0.45 −63%, better
Vas67.7 L +54%, worse
BL6.6 T·m +20%, better
Xmax3 mm –
Sensitivity90.5 dB +3.9, better
Scanspeak18W/4531G01
£168.82 · 552% more, worseFs34 Hz −28%, better
Qts0.35 −72%, better
Vas45.6 L +4%
BL5.7 T·m +4%
Xmax6.5 mm +117%, better
Sensitivity88.8 dB +2.2, better
Scanspeak18W/4531G00
£179.98 · 595% more, worseFs33 Hz −30%, better
Qts0.35 −72%, better
Vas41.9 L −5%
BL5.7 T·m +4%
Xmax6.5 mm +117%, better
Sensitivity88 dB +1.4
Scanspeak18M/4631T00
£192.54 · 643% more, worseFs65 Hz +38%, worse
Qts0.60 −51%, better
Vas14 L −68%, better
BL5.6 T·m –
Xmax3 mm –
Sensitivity89.6 dB +3, better
Scanspeak18M/8631T00
£192.54 · 643% more, worseFs65 Hz +38%, worse
Qts0.71 −42%, better
Vas14 L −68%, better
BL6.5 T·m +18%, better
Xmax3 mm –
Sensitivity88.7 dB +2.1, better
SEASH1597-08 FA22RCZ
£197.94 · 664% more, worseFs30 Hz −36%, better
Qts0.35 −72%, better
Vas134 L +205%, worse
BL6.4 T·m +16%, better
Xmax3 mm –
Sensitivity91.8 dB +5.2, better
Scanspeak18WU/4747T00
£288.83 · 1015% more, worseFs36 Hz −23%, better
Qts0.35 −72%, better
Vas36 L −18%, better
BL5.9 T·m +7%
Xmax9 mm +200%, better
Sensitivity88.4 dB +1.8
Tang BandW8-2314
£293.02 · 1031% more, worseFs38 Hz −19%, better
Qts0.46 −63%, better
Vas49.5 L +12%, worse
BL6.1 T·m +11%, better
Xmax6 mm +100%, better
Sensitivity89 dB +2.4, better
Scanspeak18WU/4741T00
£304.20 · 1074% more, worseFs34 Hz −28%, better
Qts0.36 −71%, better
Vas38.4 L −13%, better
BL5.9 T·m +7%
Xmax9 mm +200%, better
Sensitivity87.9 dB +1.3
MonacorSP-202PA
No current priceFs68 Hz +45%, worse
Qts1.10 −11%, better
Vas12 L −73%, better
BL5.6 T·m –
Xmax3 mm –
Sensitivity84.3 dB −2.3, worse
Supravox215-2000 MK2
No current priceFs70 Hz +49%, worse
Qts0.84 −32%, better
Vas30 L −32%, better
BL5.2 T·m −5%
Xmax2.9 mm −3%
Sensitivity92.5 dB +5.9, better
PRV Audio8MR500-NDY-4
No current priceFs79 Hz +67%, worse
Qts0.54 −56%, better
Vas24.3 L −45%, better
BL6.0 T·m +10%
Xmax3 mm –
Sensitivity95.2 dB +8.6, better
Cube AudioF8 NEO V2
No current priceFs39 Hz −17%, better
Qts0.47 −62%, better
Vas45 L –
BL9.5 T·m +73%, better
Xmax3 mm –
Sensitivity89.5 dB +2.9, better
Cube AudioF8 MAGUS
No current priceFs40 Hz −15%, better
Qts0.37 −70%, better
Vas53 L +20%, worse
BL9 T·m +64%, better
Xmax3 mm –
Sensitivity91.7 dB +5.1, better
CIARECW200Z
No current priceFs49 Hz +4%
Qts0.53 −57%, better
Vas38.3 L −13%, better
BL5.2 T·m −6%
Xmax4 mm +33%, better
Sensitivity90.1 dB +3.5, better
MonacorSPM-205/4
No current priceFs37 Hz −21%, better
Qts0.55 −55%, better
Vas72 L +64%, worse
BL4.8 T·m −14%, worse
Xmax3 mm –
Sensitivity89.3 dB +2.7, better
JensenP10R-FEN-8
No current priceFs87 Hz +86%, worse
Qts1.79 +46%, worse
Vas28.5 L −35%, better
BL5.9 T·m +7%
Xmax1 mm −67%, worse
Sensitivity91.8 dB +5.2, better
MonacorSP-200X
No current priceFs50 Hz +6%
Qts0.52 −58%, better
Vas48 L +9%
BL6.1 T·m +11%, better
Xmax1.6 mm −47%, worse
Sensitivity91.4 dB +4.8, better
Tang BandW8-1722B
No current priceFs35 Hz −26%, better
Qts0.51 −59%, better
Vas46.3 L +5%
BL6.2 T·m +13%, better
Xmax9 mm +200%, better
Sensitivity87.4 dB +0.8
Tune the match
Choose the published values that matter to your design. Size stays matched to this driver.
Qts
Qes
VasL
Xmaxmm
BLTm
- SoundImports4.5 out of 54 ratings · Checked 24 Oct 2026Read reviews on SoundImports
- Parts Express5.0 out of 52 ratings · Checked 24 Oct 2026Read reviews on Parts Express
Each shop collects its own ratings. Bits shows them as published and doesn't verify them.
| Shop | Price | Against the lowest | Stock | Link |
|---|---|---|---|---|
Impact Audio | £35.94, the lowest price | In stock | Visit shop at Impact Audio | |
SoundImports Import VAT and duty may apply | £28.43 | 8 in stock | Visit shop at SoundImports | |
Parts Express Import VAT and duty may apply | £31.66 | 6 in stock | Visit shop at Parts Express | |
RumoH Import VAT and duty may apply | £31.75 | Stock not listed | Visit shop at RumoH |
Best price over time
Tracked since 5 Aug