Eighteen Sound8NMB420
£120.21 · 59% less, betterFs61 Hz +190%, worse
Qts0.28 +12%, worse
Vas33 L −74%, better
BL10 T·m –
Xmax5.8 mm −36%, worse
Sensitivity95.9 dB +7.4, better
8-inch LF driver · Revelator series · 50 mm voice coil · 80 W
Scanspeak 22W/8851T00 8Ω
8 Ω
£320.34
3.9%Falcon Acoustics · In stock · All 5 offers
- Fs
- 21Hz
- Xmax
- 9mm
- SPL
- 89dB
- Pe
- 80W
- BL
- 9.9T·m
- Vd
- 198cm³
- Qts
- 0.25
- Vas
- 126L
Scanspeak 22W/8851T00 is an 8-inch 8 ohm LF driver rated at 80 W RMS. The validated T/S data includes Fs 21 Hz, Qts 0.25, Vas 126 L, Xmax 9 mm, sensitivity 88.5 dB, plus 198 cm³ Vd and 81 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 £293.02.
The published T/S values agree with each other
Thiele/Small
- Fs
- 21Hz
- Qts
- 0.25
- Qes
- 0.26
- Qms
- 5.1
- Vas
- 126L
- Re
- 6.2Ω
- Le
- 0.35mH
Motor and cone
- BL
- 9.9T·m
- Sd
- 220cm²
- Mms
- 31g
- Xmax
- 9mm
- Vd †
- 198cm³
- Voice coil
- 50mm
Power and response
- Sensitivity †
- 88.5dB
- Manufacturer sensitivity
- 88dB
- Power
- 80W
- Impedance
- 8Ω
- Min. impedance
- 7.2Ω
- EBP †
- 81 · Sealed or vented
Size and mounting
- Diameter
- 220mm
Other published values
- Cms
- 1.85mm/N
- Rms
- 0.80kg/s
- Xmech
- 14
- Power Peak
- 200
† Calculated by bits from the published values
What this validation status means
Everything else Scanspeak lists
LF · Primary · 8″
- BL
- 9.9T·m
- Fs
- 21Hz
- Le
- 0.35mH
- Re
- 6.2Ω
- Sd
- 220cm²
- Cms
- 1.85mm/N
- Mms
- 31g
- Qes
- 0.26
- Qms
- 5.1
- Qts
- 0.25
- Rms
- 0.80kg/s
- SPL
- 88.5dB
- Vas
- 126L
- Xmax
- 9mm
- Xmech
- 14
- Power
- 80W
- Impedance
- 8Ω
- Power Peak
- 200
- Sensitivity
- 88dB
- Calculated sensitivity †
- 88.5dB
- Manufacturer sensitivity
- 88dB
- Min. impedance
- 7.2Ω
- Voice coil
- 50mm
- Diameter
- 220mm
02
Compare
Same-size drivers, compared with the 22W/8851T00. Clear differences are green when better and red when worse.
This driver22W/8851T00
Best price
£293.02
Fs
21 Hz
Qts
0.25
Vas
126 L
BL
9.9 T·m
Xmax
9 mm
Sensitivity
88.5 dB
Power
80 W
£132.02 · 55% less, better
Fs20 Hz −5%
Qts0.24 −4%
Vas108 L −14%, better
BL11.4 T·m +15%, better
Xmax7 mm −22%, worse
Sensitivity87.2 dB −1.3
Eighteen Sound8NW650
£138.53 · 53% less, betterFs63 Hz +200%, worse
Qts0.25 –
Vas17.8 L −86%, better
BL15.2 T·m +54%, better
Xmax5.5 mm −39%, worse
Sensitivity94.2 dB +5.7, better
RCFMB8N251
£149.04 · 49% less, betterFs68 Hz +224%, worse
Qts0.25 –
Vas13 L −90%, better
BL15.2 T·m +54%, better
Xmax5 mm −44%, worse
Sensitivity94 dB +5.5, better
Sica8 K 3 PL
£158.25 · 46% less, betterFs68 Hz +224%, worse
Qts0.25 –
Vas12.2 L −90%, better
BL16.1 T·m +63%, better
Xmax5 mm −44%, worse
Sensitivity93.6 dB +5.1, better
SB AcousticsMW19P-4
£165.40 · 44% less, betterFs29 Hz +38%, worse
Qts0.24 −4%
Vas61 L −52%, better
BL6.5 T·m −34%, worse
Xmax6.8 mm −24%, worse
Sensitivity89.6 dB +1.1
SB AcousticsMW19PNW-4
£168.40 · 43% less, betterFs29 Hz +38%, worse
Qts0.24 −4%
Vas61 L −52%, better
BL6.5 T·m −34%, worse
Xmax6.8 mm −24%, worse
Sensitivity89.6 dB +1.1
PRV Audio8MB700FT-NDY-4
£178.31 · 39% less, betterFs60 Hz +184%, worse
Qts0.22 −12%, better
Vas25.0 L −80%, better
BL11.3 T·m +14%, better
Xmax3.8 mm −58%, worse
Sensitivity95.5 dB +7, better
WavecorWF211PA02
£185.52 · 37% less, betterFs59 Hz +181%, worse
Qts0.25 –
Vas18.2 L −86%, better
BL13.4 T·m +35%, better
Xmax2 mm −78%, worse
Sensitivity93.6 dB +5.1, better
SB AcousticsWO24P-8
£185.95 · 37% less, betterFs25 Hz +17%, worse
Qts0.38 +52%, worse
Vas87.5 L −31%, better
BL9.9 T·m –
Xmax8.5 mm −6%
Sensitivity87 dB −1.5
Scanspeak22W/8857T00
£284.64 · 3% lessFs23 Hz +10%
Qts0.30 +20%, worse
Vas87.7 L −30%, better
BL10.1 T·m –
Xmax9 mm –
Sensitivity87.3 dB −1.2
SB AcousticsWO24TX-8
£292.97 · Same priceFs25 Hz +17%, worse
Qts0.34 +36%, worse
Vas88 L −30%, better
BL10.4 T·m +6%
Xmax8.6 mm −5%
Sensitivity87.6 dB −0.9
Scanspeak22W/4851T00
£293.02 · Same priceFs21 Hz –
Qts0.22 −12%, better
Vas126 L –
BL8.2 T·m −17%, worse
Xmax9 mm –
Sensitivity89.1 dB +0.6
£410.34 · 40% more, worse
Fs21 Hz –
Qts0.29 +16%, worse
Vas164 L +30%, worse
BL8 T·m −19%, worse
Xmax7 mm −22%, worse
Sensitivity88.9 dB –
Scanspeak21WE/4542T00
£669.81 · 129% more, worseFs38 Hz +81%, worse
Qts0.28 +12%, worse
Vas54 L −57%, better
BL8.2 T·m −17%, worse
Xmax7.2 mm −20%, worse
Sensitivity92 dB +3.5, better
AccutonS220-6-222
£912.00 · 211% more, worseFs25 Hz +19%, worse
Qts0.26 +4%
Vas89.7 L −29%, better
BL10.9 T·m +11%, better
Xmax5.3 mm −42%, worse
Sensitivity89.2 dB +0.7
AccutonC220-6-222
£941.40 · 221% more, worseFs30 Hz +40%, worse
Qts0.26 +4%
Vas74 L −41%, better
BL11.7 T·m +18%, better
Xmax6 mm −33%, worse
Sensitivity90.5 dB +2, better
KartesianLOM185_VKI
No current priceFs40 Hz +90%, worse
Qts0.25 –
Vas29 L −77%, better
BL10.4 T·m +6%
Xmax8 mm −11%, worse
Sensitivity90.6 dB +2.1, better
Audio Technology8 I 52 20 06 SD
No current priceFs33 Hz +57%, worse
Qts0.26 +4%
Vas70 L −44%, better
BL10.0 T·m –
Xmax8 mm −11%, worse
Sensitivity91.3 dB +2.8, better
No photo
PHL Audio2720
No current priceFs50 Hz +138%, worse
Qts0.26 +4%
Vas29.2 L −77%, better
BL12.6 T·m +27%, better
Xmax9 mm –
Sensitivity93.3 dB +4.8, better
HiViSS8IIN
No current priceFs29 Hz +38%, worse
Qts0.27 +8%
Vas80.1 L −36%, better
BL10.6 T·m +7%
Xmax5 mm −44%, worse
Sensitivity90.3 dB +1.8
CIAREHWB205
No current priceFs28 Hz +33%, worse
Qts0.29 +16%, worse
Vas79 L −37%, better
BL9.3 T·m −6%
Xmax7 mm −22%, worse
Sensitivity89.6 dB +1.1
No photo
PHL Audio2730
No current priceFs42 Hz +100%, worse
Qts0.26 +4%
Vas34.1 L −73%, better
BL12.6 T·m +27%, better
Xmax7 mm −22%, worse
Sensitivity91.7 dB +3.2, better
Audio Technology18 H 52 06 13 SDKA-LR
No current priceFs32 Hz +52%, worse
Qts0.25 –
Vas50 L −60%, better
BL7.4 T·m −25%, worse
Xmax4 mm −56%, worse
Sensitivity89.9 dB +1.4
HiViSS8IIR
No current priceFs33 Hz +57%, worse
Qts0.28 +12%, worse
Vas59.6 L −53%, better
BL9.2 T·m −7%
Xmax4.8 mm −47%, worse
Sensitivity90.7 dB +2.2, better
WavecorWF182BD14
No current priceFs36 Hz +71%, worse
Qts0.25 –
Vas23 L −82%, better
BL6.9 T·m −30%, worse
Xmax5.5 mm −39%, worse
Sensitivity88.2 dB –
WavecorWF182BD04
No current priceFs34 Hz +61%, worse
Qts0.25 –
Vas32.4 L −74%, better
BL6.8 T·m −32%, worse
Xmax5.5 mm −39%, worse
Sensitivity88.9 dB –
Audio Technology8 A 77 20 06 SD
No current priceFs30 Hz +43%, worse
Qts0.30 +20%, worse
Vas67 L −47%, better
BL9.3 T·m −6%
Xmax8 mm −11%, worse
Sensitivity89.2 dB +0.7
PurifiPTT8.0X08-NAB-01
No current priceFs24 Hz +14%, worse
Qts0.35 +40%, worse
Vas74.5 L −41%, better
BL10.7 T·m +8%
Xmax9.3 mm +3%
Sensitivity86.5 dB −2, worse
Oberton8NM250V2
No current priceFs68 Hz +222%, worse
Qts0.25 –
Vas8.4 L −93%, better
BL21.3 T·m +115%, better
Xmax4 mm −56%, worse
Sensitivity92.1 dB +3.6, better
Tune the match
Choose the published values that matter to your design. Size stays matched to this driver.
Qts
Qes
VasL
Xmaxmm
BLTm
| Shop | Price | Against the lowest | Stock | Link |
|---|---|---|---|---|
Falcon Acoustics | £320.34, the lowest price | In stock | Visit shop at Falcon Acoustics | |
Willys-Hifi | £333.47 | 4.1% above the lowest price | Stock not listed | Visit shop at Willys-Hifi |
SoundImports Import VAT and duty may apply | £293.02 | 12 in stock | Visit shop at SoundImports |
Best price over time
Tracked since 1 Apr
Recent changes
- 1 OctWillys-Hifi£341.95 → £333.47Down 2.5% from £341.95
- 30 SepWillys-Hifi£340.95 → £341.95Up 0.3% from £340.95
- 28 SepWillys-Hifi£339.95 → £340.95Up 0.3% from £339.95