SB AcousticsSB16PFCR25-4
£21.76 · 86% less, betterFs35 Hz +9%
Qts0.34 −13%, better
Vas32.7 L +9%
BL5 T·m −9%
Xmax4.5 mm −10%, worse
Sensitivity87.6 dB +2, better
6-inch LF driver · Classic series · 38 mm voice coil · 60 W
Scanspeak 15W/8534T00 8Ω
8 Ω
£172.04
2.8%Willys-Hifi · All 3 offers
- Fs
- 32Hz
- Xmax
- 5mm
- SPL
- 86dB
- Pe
- 60W
- BL
- 5.5T·m
- Vd
- 49cm³
- Qts
- 0.39
- Vas
- 30L
Scanspeak 15W/8534T00 is a 6-inch 8 ohm LF driver rated at 60 W RMS. The validated T/S data includes Fs 32 Hz, Qts 0.39, Vas 30 L, Xmax 5 mm, sensitivity 85.6 dB, plus 49 cm³ Vd and 74 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 £154.86.
Partial source evidence
Automated T/S checks passed, but some material low-frequency parameters are not published for this record.
Material fields not published: Mms
- Manufacturer page linked
- Datasheet linked
- Canonical units normalized for comparison
- Vd can be derived from Sd and Xmax
- EBP can be derived from Fs and Qes
Thiele/Small
- Fs
- 32Hz
- Qts
- 0.39
- Qes
- 0.43
- Qms
- 3.6
- Vas
- 30L
- Re
- 5.8Ω
- Le
- 0.26mH
Motor and cone
- BL
- 5.5T·m
- Sd
- 98cm²
- Xmax
- 5mm
- Vd †
- 49cm³
- Voice coil
- 38mm
Power and response
- Sensitivity †
- 85.6dB
- Manufacturer sensitivity
- 85.5dB
- Power
- 60W
- Impedance
- 8Ω
- Min. impedance
- 6.6Ω
- EBP †
- 74 · Sealed or vented
Size and mounting
- Diameter
- 150mm
Other published values
- Cms
- 2.20mm/N
- Rms
- 0.60kg/s
- Xmech
- 9
- Power Peak
- 100
† Calculated by bits from the published values
What this validation status means
Everything else Scanspeak lists
LF · Primary · 6″
- BL
- 5.5T·m
- Fs
- 32Hz
- Le
- 0.26mH
- Re
- 5.8Ω
- Sd
- 98cm²
- Cms
- 2.20mm/N
- Qes
- 0.43
- Qms
- 3.6
- Qts
- 0.39
- Rms
- 0.60kg/s
- SPL
- 85.6dB
- Vas
- 30L
- Xmax
- 5mm
- Xmech
- 9
- Power
- 60W
- Impedance
- 8Ω
- Power Peak
- 100
- Sensitivity
- 85.5dB
- Calculated sensitivity †
- 85.6dB
- Manufacturer sensitivity
- 85.5dB
- Min. impedance
- 6.6Ω
- Voice coil
- 38mm
- Diameter
- 150mm
02
Compare
Same-size drivers, compared with the 15W/8534T00. Clear differences are green when better and red when worse.
This driver15W/8534T00
Best price
£154.86
Fs
32 Hz
Qts
0.39
Vas
30 L
BL
5.5 T·m
Xmax
5 mm
Sensitivity
85.6 dB
Power
60 W
SB AcousticsSB16PFC25-4
£23.44 · 85% less, betterFs35 Hz +9%
Qts0.34 −13%, better
Vas32.7 L +9%
BL5 T·m −9%
Xmax4.5 mm −10%, worse
Sensitivity87.6 dB +2, better
SB AcousticsSB16PFCR25-8
£24.27 · 84% less, betterFs38 Hz +19%, worse
Qts0.40 –
Vas27 L −10%, better
BL6.2 T·m +13%, better
Xmax4.5 mm −10%, worse
Sensitivity86.9 dB +1.3
SB AcousticsSB16PFC25-8
£27.08 · 83% less, betterFs38 Hz +19%, worse
Qts0.40 –
Vas27 L −10%, better
BL6.2 T·m +13%, better
Xmax4.5 mm −10%, worse
Sensitivity86.9 dB +1.3
SB AcousticsSB15MFC30-8
£48.66 · 69% less, betterFs39 Hz +22%, worse
Qts0.37 −5%
Vas17.7 L −41%, better
BL5.6 T·m –
Xmax5 mm –
Sensitivity86.2 dB +0.6
SB AcousticsSB15NRX2C30-8
£49.12 · 68% less, betterFs37 Hz +14%, worse
Qts0.34 −13%, better
Vas20 L −33%, better
BL5.8 T·m +5%
Xmax5 mm –
Sensitivity86.2 dB +0.6
SB AcousticsSB15NRXC30-8
£54.13 · 65% less, betterFs38 Hz +19%, worse
Qts0.33 −15%, better
Vas20.7 L −31%, better
BL5.6 T·m –
Xmax5 mm –
Sensitivity87.1 dB +1.5
SB AcousticsSB17MFC35-8
£54.89 · 65% less, betterFs33 Hz +3%
Qts0.37 −5%
Vas39 L +30%, worse
BL5.9 T·m +7%
Xmax5.5 mm +10%, better
Sensitivity87.5 dB +1.9
SB AcousticsSB17NRX2C35-4
£55.41 · 64% less, betterFs36 Hz +13%, worse
Qts0.37 −5%
Vas27.6 L −8%
BL4.9 T·m −11%, worse
Xmax5.5 mm +10%, better
Sensitivity87 dB +1.4
SB AcousticsSB17NRX2C35-8
£55.41 · 64% less, betterFs37 Hz +14%, worse
Qts0.42 +8%
Vas27 L −10%, better
BL6.3 T·m +14%, better
Xmax5.5 mm +10%, better
Sensitivity86.5 dB +0.9
Scanspeak18W/4424G00
£58.61 · 62% less, betterFs49 Hz +53%, worse
Qts0.38 –
Vas24.1 L −20%, better
BL5.2 T·m −5%
Xmax2.8 mm −44%, worse
Sensitivity90.3 dB +4.7, better
Dayton AudioRS180P-4
£59.83 · 61% less, betterFs38 Hz +18%, worse
Qts0.39 –
Vas27.3 L −9%
BL4.7 T·m −15%, worse
Xmax6 mm +20%, better
Sensitivity86.9 dB +1.3
SB AcousticsSB15NBAC30-8
£62.57 · 60% less, betterFs36 Hz +11%, worse
Qts0.37 −5%
Vas17 L −43%, better
BL5.7 T·m +4%
Xmax5 mm –
Sensitivity84.7 dB −0.9
MonacorSPH-175HQ
£68.66 · 56% less, betterFs39 Hz +22%, worse
Qts0.42 +8%
Vas33 L +10%, worse
BL6.4 T·m +16%, better
Xmax5.5 mm +10%, better
Sensitivity88 dB +2.4, better
SB AcousticsSB15NAC30-8
£69.45 · 55% less, betterFs36 Hz +11%, worse
Qts0.37 −5%
Vas17.7 L −41%, better
BL5.9 T·m +7%
Xmax5 mm –
Sensitivity85.1 dB −0.5
SB AcousticsSB17NAC35-8
£70.75 · 54% less, betterFs32 Hz –
Qts0.42 +8%
Vas33 L +10%, worse
BL6.2 T·m +13%, better
Xmax5.5 mm +10%, better
Sensitivity85.6 dB –
SB AcousticsSB15CAC30-8
£76.56 · 51% less, betterFs36 Hz +11%, worse
Qts0.38 –
Vas17.9 L −40%, better
BL5.7 T·m +4%
Xmax5 mm –
Sensitivity84.8 dB −0.8
SEASH1455-08 ER15RLY
£80.27 · 48% less, betterFs44 Hz +38%, worse
Qts0.32 −18%, better
Vas15 L −50%, better
BL5.5 T·m –
Xmax5 mm –
Sensitivity87 dB +1.4
SB AcousticsSB15CRC30-8
£81.08 · 48% less, betterFs40 Hz +25%, worse
Qts0.41 +5%
Vas14.9 L −50%, better
BL5.6 T·m –
Xmax5.5 mm +10%, better
Sensitivity85.2 dB –
SEASH1216-08 CA15RLY
£89.41 · 42% less, betterFs44 Hz +38%, worse
Qts0.34 −13%, better
Vas14 L −53%, better
BL5.5 T·m –
Xmax5 mm –
Sensitivity86.6 dB +1
Scanspeak18W/8535-01
£145.25 · 6% less, betterFs25 Hz −22%, better
Qts0.38 –
Vas68.9 L +130%, worse
BL5.9 T·m +7%
Xmax5 mm –
Sensitivity85.7 dB –
Tang BandW5-1880
£209.33 · 35% more, worseFs48 Hz +50%, worse
Qts0.32 −18%, better
Vas26.5 L −12%, better
BL5.5 T·m –
Xmax5 mm –
Sensitivity90.9 dB +5.3, better
£376.75 · 143% more, worse
Fs34 Hz +6%
Qts0.42 +8%
Vas30 L –
BL6.6 T·m +20%, better
Xmax5 mm –
Sensitivity85.8 dB –
Supravox165 GMF
No current priceFs70 Hz +119%, worse
Qts0.39 –
Vas40 L +33%, worse
BL5.6 T·m –
Xmax6 mm +20%, better
Sensitivity97.2 dB +11.6, better
HiViSS6.5
No current priceFs42 Hz +31%, worse
Qts0.39 –
Vas24.8 L −17%, better
BL6.4 T·m +16%, better
Xmax5.8 mm +16%, better
Sensitivity88.1 dB +2.5, better
HiViSS6.5R
No current priceFs42 Hz +31%, worse
Qts0.39 –
Vas21.6 L −28%, better
BL6.5 T·m +18%, better
Xmax5.8 mm +16%, better
Sensitivity87.7 dB +2.1, better
HiViS6.5R
No current priceFs41 Hz +28%, worse
Qts0.38 –
Vas23.2 L −23%, better
BL6.5 T·m +18%, better
Xmax5.8 mm +16%, better
Sensitivity87.8 dB +2.2, better
Tang BandW6-623I
No current priceFs46 Hz +44%, worse
Qts0.41 +5%
Vas29.8 L –
BL6.7 T·m +22%, better
Xmax4 mm −20%, worse
Sensitivity90.1 dB +4.5, better
SB AcousticsMW16PF-8
No current priceFs29 Hz −9%
Qts0.38 –
Vas48.4 L +61%, worse
BL5.8 T·m +5%
Xmax5.5 mm +10%, better
Sensitivity86.5 dB +0.9
CIARECW169
No current priceFs46 Hz +44%, worse
Qts0.32 −18%, better
Vas21.2 L −29%, better
BL5.9 T·m +8%
Xmax5 mm –
Sensitivity89.3 dB +3.7, 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 |
|---|---|---|---|---|
Willys-Hifi | £172.04, the lowest price | Stock not listed | Visit shop at Willys-Hifi | |
SoundImports Import VAT and duty may apply | £154.86 | 5 in stock | Visit shop at SoundImports |
Best price over time
Tracked since 1 Apr
Recent changes
- 1 OctWillys-Hifi£176.95 → £172.04Down 2.8% from £176.95
- 30 SepWillys-Hifi£175.95 → £176.95Up 0.6% from £175.95
- 16 SepWillys-Hifi£176.95 → £175.95Down 0.6% from £176.95