REDCATT61FHM-2
£19.93 · 87% less, betterFs44 Hz +16%, worse
Qts0.52 +4%
Vas14.4 L −15%, better
BL6.0 T·m +4%
Xmax3.2 mm −51%, worse
Sensitivity85.3 dB +1
6-inch LF driver · Revelator series · 38 mm voice coil · 60 W
Scanspeak 15W/8530K01 8Ω
8 Ω
- Fs
- 38Hz
- Xmax
- 6.5mm
- SPL
- 84dB
- Pe
- 60W
- BL
- 5.8T·m
- Vd
- 62cm³
- Qts
- 0.50
- Vas
- 17L
Scanspeak 15W/8530K01 is a 6-inch 8 ohm LF driver rated at 60 W RMS. The validated T/S data includes Fs 38 Hz, Qts 0.50, Vas 17 L, Xmax 6.5 mm, sensitivity 84.3 dB, plus 62 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 £157.04.
The published T/S values agree with each other
Thiele/Small
- Fs
- 38Hz
- Qts
- 0.50
- Qes
- 0.55
- Qms
- 5.8
- Vas
- 17L
- Re
- 5.9Ω
- Le
- 0.30mH
Motor and cone
- BL
- 5.8T·m
- Sd
- 95cm²
- Mms
- 13g
- Xmax
- 6.5mm
- Vd †
- 62cm³
- Voice coil
- 38mm
Power and response
- Sensitivity †
- 84.3dB
- Manufacturer sensitivity
- 84.5dB
- Power
- 60W
- Impedance
- 8Ω
- Min. impedance
- 6.7Ω
- EBP †
- 69 · Sealed or vented
Size and mounting
- Diameter
- 150mm
Other published values
- Cms
- 1.33mm/N
- Rms
- 0.54kg/s
- Xmech
- 9
- Power Peak
- 70
† Calculated by bits from the published values
What this validation status means
Everything else Scanspeak lists
LF · Primary · 6″
- BL
- 5.8T·m
- Fs
- 38Hz
- Le
- 0.30mH
- Re
- 5.9Ω
- Sd
- 95cm²
- Cms
- 1.33mm/N
- Mms
- 13g
- Qes
- 0.55
- Qms
- 5.8
- Qts
- 0.50
- Rms
- 0.54kg/s
- SPL
- 84.3dB
- Vas
- 17L
- Xmax
- 6.5mm
- Xmech
- 9
- Power
- 60W
- Impedance
- 8Ω
- Power Peak
- 70
- Sensitivity
- 84.5dB
- Calculated sensitivity †
- 84.3dB
- Manufacturer sensitivity
- 84.5dB
- Min. impedance
- 6.7Ω
- Voice coil
- 38mm
- Diameter
- 150mm
02
Compare
Same-size drivers, compared with the 15W/8530K01. Clear differences are green when better and red when worse.
This driver15W/8530K01
Best price
£157.04
Fs
38 Hz
Qts
0.50
Vas
17 L
BL
5.8 T·m
Xmax
6.5 mm
Sensitivity
84.3 dB
Power
60 W
Dayton AudioDC130AS-8
£22.43 · 86% less, betterFs57 Hz +51%, worse
Qts0.45 −10%
Vas9.7 L −43%, better
BL5.8 T·m –
Xmax2.5 mm −62%, worse
Sensitivity87 dB +2.7, better
PeerlessSDS-P830657
£25.08 · 84% less, betterFs48 Hz +26%, worse
Qts0.47 −6%
Vas20.1 L +18%, worse
BL6.9 T·m +19%, better
Xmax5.5 mm −16%, worse
Sensitivity88 dB +3.7, better
PeerlessSLS-135F32CP01-04
£26.37 · 83% less, betterFs55 Hz +45%, worse
Qts0.54 +8%
Vas5.7 L −67%, better
BL5.2 T·m −11%, worse
Xmax7 mm +8%
Sensitivity84 dB –
FaitalPRO6FE125
£26.87 · 83% less, betterFs61 Hz +61%, worse
Qts0.55 +10%, worse
Vas15.1 L −11%, better
BL6.8 T·m +17%, better
Xmax5.3 mm −19%, worse
Sensitivity89.6 dB +5.3, better
FaitalPRO6FE100
£27.18 · 83% less, betterFs61 Hz +61%, worse
Qts0.55 +10%, worse
Vas15.1 L −11%, better
BL6.8 T·m +17%, better
Xmax5.3 mm −19%, worse
Sensitivity89.6 dB +5.3, better
CIAREHW159
£31.82 · 80% less, betterFs53 Hz +39%, worse
Qts0.49 –
Vas19.4 L +14%, worse
BL6.3 T·m +9%
Xmax5.8 mm −11%, worse
Sensitivity88.8 dB +4.5, better
REDCATT61FHM-1
£39.86 · 75% less, betterFs37 Hz –
Qts0.49 –
Vas28.2 L +66%, worse
BL6.6 T·m +14%, better
Xmax6.3 mm −3%
Sensitivity86.4 dB +2.1, better
Beyma6B30
£50.20 · 68% less, betterFs56 Hz +47%, worse
Qts0.50 –
Vas15.6 L −8%
BL6.8 T·m +17%, better
Xmax5.5 mm −15%, worse
Sensitivity88.6 dB +4.3, better
Sica6.5 H 1.5 CP
£56.02 · 64% less, betterFs45 Hz +19%, worse
Qts0.42 −16%, better
Vas20.2 L +19%, worse
BL7.0 T·m +21%, better
Xmax6 mm −8%
Sensitivity88.2 dB +3.9, better
WavecorWF146WA02
£57.60 · 63% less, betterFs58 Hz +53%, worse
Qts0.51 –
Vas10 L −41%, better
BL6.4 T·m +10%, better
Xmax3 mm −54%, worse
Sensitivity87.6 dB +3.3, better
WavecorWF168WA02
£60.59 · 61% less, betterFs49 Hz +29%, worse
Qts0.52 +4%
Vas24.6 L +45%, worse
BL6.4 T·m +10%, better
Xmax3 mm −54%, worse
Sensitivity89.2 dB +4.9, better
Dayton AudioRS180-4
£69.58 · 56% less, betterFs38 Hz –
Qts0.46 −8%
Vas21.2 L +25%, worse
BL4.7 T·m −19%, worse
Xmax6 mm −8%
Sensitivity85.1 dB +0.8
SB AcousticsSB15CRC30-8
£81.08 · 48% less, betterFs40 Hz +5%
Qts0.41 −18%, better
Vas14.9 L −12%, better
BL5.6 T·m −3%
Xmax5.5 mm −15%, worse
Sensitivity85.2 dB +0.9
SEASH1217-08 CA18RLY
£90.62 · 42% less, betterFs42 Hz +11%, worse
Qts0.47 −6%
Vas32 L +88%, worse
BL5.6 T·m −3%
Xmax5 mm −23%, worse
Sensitivity88.3 dB +4, better
WavecorSW146WA01
£94.87 · 40% less, betterFs51 Hz +34%, worse
Qts0.48 −4%
Vas5.5 L −68%, better
BL5.9 T·m –
Xmax6 mm −8%
Sensitivity83.7 dB −0.6
SEASH1480 L16RN-SL
£123.54 · 21% less, betterFs37 Hz –
Qts0.45 −10%
Vas19 L +12%, worse
BL6.1 T·m +5%
Xmax6 mm −8%
Sensitivity84.5 dB –
Scanspeak15W/8531K00
£150.70 · 4% lessFs39 Hz –
Qts0.38 −24%, better
Vas16.7 L –
BL6.6 T·m +14%, better
Xmax6.5 mm –
Sensitivity85.8 dB +1.5
Scanspeak15W/8530K00
£157.03 · Same priceFs39 Hz –
Qts0.39 −22%, better
Vas16 L −6%
BL6.6 T·m +14%, better
Xmax6.5 mm –
Sensitivity85.5 dB +1.2
WavecorSW182BD04
£161.18 · 3% moreFs37 Hz –
Qts0.49 –
Vas12.7 L −25%, better
BL10.2 T·m +76%, better
Xmax7 mm +8%
Sensitivity83.1 dB −1.2
Scanspeak15W/4531G00
£167.42 · 7% more, worseFs40 Hz +5%
Qts0.32 −36%, better
Vas15.8 L −7%
BL5.7 T·m –
Xmax6.5 mm –
Sensitivity86.8 dB +2.5, better
HiViS6.5RMKII
No current priceFs52 Hz +37%, worse
Qts0.48 −4%
Vas15.7 L −8%
BL6.4 T·m +10%, better
Xmax5.8 mm −11%, worse
Sensitivity88.1 dB +3.8, better
WavecorWF146OM02
No current priceFs50 Hz +32%, worse
Qts0.51 –
Vas13.6 L −20%, better
BL5.4 T·m −7%
Xmax3.3 mm −49%, worse
Sensitivity86.9 dB +2.6, better
Tang BandW5-1685
No current priceFs50 Hz +32%, worse
Qts0.46 −8%
Vas12.8 L −25%, better
BL4.7 T·m −19%, worse
Xmax6 mm −8%
Sensitivity86.8 dB +2.5, better
HiViS6.5
No current priceFs47 Hz +24%, worse
Qts0.42 −16%, better
Vas18.4 L +8%
BL6.4 T·m +10%, better
Xmax5.8 mm −11%, worse
Sensitivity88.1 dB +3.8, better
EminenceALPHA 5-8
No current priceFs87 Hz +129%, worse
Qts0.54 +8%
Vas6.1 L −64%, better
BL6.2 T·m +7%
Xmax5.9 mm −9%
Sensitivity90.6 dB +6.3, better
CIARECW170
No current priceFs55 Hz +45%, worse
Qts0.47 −6%
Vas18 L +6%
BL4.6 T·m −20%, worse
Xmax4.3 mm −34%, worse
Sensitivity89.3 dB +5, better
Tang BandW6-1916
No current priceFs60 Hz +58%, worse
Qts0.46 −8%
Vas23.7 L +39%, worse
BL5.8 T·m –
Xmax5 mm −23%, worse
Sensitivity91.2 dB +6.9, better
Lii AudioFAST 6
No current priceFs63 Hz +65%, worse
Qts0.46 −9%
Vas22.9 L +35%, worse
BL4.3 T·m −27%, worse
Xmax6 mm −8%
Sensitivity92.5 dB +8.2, better
Tang BandW6-2090
No current priceFs50 Hz +32%, worse
Qts0.49 –
Vas13.1 L −23%, better
BL4.1 T·m −29%, worse
Xmax4.8 mm −26%, worse
Sensitivity86.8 dB +2.5, better
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 52 ratings · 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 | £157.04, the lowest price | 3 in stock | Visit shop at Hifi Collective | |
Falcon Acoustics | £179.94 | 15% above the lowest price | In stock | Visit shop at Falcon Acoustics |
Willys-Hifi | £192.73 | 23% above the lowest price | Stock not listed | Visit shop at Willys-Hifi |
SoundImports Import VAT and duty may apply | £167.42 | 6.6% above the lowest price | 8 in stock | Visit shop at SoundImports |
Best price over time
Tracked since 1 Apr
Recent changes
- 1 OctWillys-Hifi£197.95 → £192.73Down 2.6% from £197.95
- 30 SepWillys-Hifi£196.95 → £197.95Up 0.5% from £196.95
- 29 SepWillys-Hifi£197.95 → £196.95Down 0.5% from £197.95