Dayton AudioDS90-8
£16.44 · 95% less, betterFs81 Hz +66%, worse
Qts0.43 +7%
Vas1.3 L −91%, better
BL4.8 T·m –
Xmax2.5 mm −52%, worse
Sensitivity83.3 dB −3.2, worse
3-inch LF driver · SUPREME series · 75 mm voice coil · 150 W
Morel SCM 634 4Ω
4 Ω
£502.91
2.3%Willys-Hifi · All 4 offers
- Fs
- 49Hz
- Xmax
- 5.3mm
- SPL
- 87dB
- Pe
- 150W
- BL
- 4.9T·m
- Vd
- 62cm³
- Qts
- 0.40
- Vas
- 14L
Morel SCM 634 is a 3-inch 4 ohm LF driver rated at 150 W RMS. The validated T/S data includes Fs 49 Hz, Qts 0.40, Vas 14 L, Xmax 5.3 mm, sensitivity 86.5 dB, plus 62 cm³ Vd and 83 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 £306.46.
The published T/S values agree with each other
Thiele/Small
- Fs
- 49Hz
- Qts
- 0.40
- Qes
- 0.59
- Qms
- 1.3
- Vas
- 14L
- Re
- 3.3Ω
- Le
- 0.12mH
Motor and cone
- BL
- 4.9T·m
- Sd
- 119cm²
- Mms
- 15g
- Xmax
- 5.3mm
- Vd †
- 62cm³
- Voice coil
- 75mm
- Flux density
- 0.69T
Power and response
- Sensitivity †
- 86.5dB
- Manufacturer sensitivity
- 89dB
- Power
- 150W
- Nominal power
- 150W
- Impedance
- 4Ω
- EBP †
- 83 · Sealed or vented
Size and mounting
- Diameter
- 160mm
- Depth
- 69mm
- Weight
- 1.4kg
Other published values
- Cms
- 0.73mm/N
- Rms
- 3.36kg/s
- Power Peak
- 1000
Sensitivity shows 86.5 dB, calculated from the T/S values. Morel publishes 89.0 dB, 2.5 dB apart.
† Calculated by bits from the published values
What this validation status means
Everything else Morel lists
LF · Primary · 3″
- BL
- 4.9T·m
- Fs
- 49Hz
- Le
- 0.12mH
- Re
- 3.3Ω
- Sd
- 119cm²
- Cms
- 0.73mm/N
- Mms
- 15g
- Qes
- 0.59
- Qms
- 1.3
- Qts
- 0.40
- Rms
- 3.36kg/s
- SPL
- 86.5dB
- Vas
- 14L
- Xmax
- 5.3mm
- Power
- 150W
- Impedance
- 4Ω
- Power Peak
- 1000
- Flux density
- 0.69T
- Sensitivity
- 89dB
- Nominal power
- 150W
- Calculated sensitivity †
- 86.5dB
- Manufacturer sensitivity
- 89dB
- Voice coil
- 75mm
- Weight
- 1.4kg
- Diameter
- 160mm
- Depth
- 69mm
02
Compare
Same-size drivers, compared with the SCM 634. Clear differences are green when better and red when worse.
This driverSCM 634
Best price
£306.46
Fs
49 Hz
Qts
0.40
Vas
14 L
BL
4.9 T·m
Xmax
5.3 mm
Sensitivity
86.5 dB
Power
150 W
Dayton AudioND91-4
£20.93 · 93% less, betterFs74 Hz +51%, worse
Qts0.41 –
Vas1.4 L −90%, better
BL4.6 T·m −6%
Xmax4.6 mm −12%, worse
Sensitivity83 dB −3.5, worse
Dayton AudioND91-8
£20.93 · 93% less, betterFs71 Hz +44%, worse
Qts0.47 +17%, worse
Vas1.5 L −89%, better
BL5.6 T·m +15%, better
Xmax5.1 mm –
Sensitivity82.1 dB −4.4, worse
SB AcousticsSB12PFCR25-4
£21.73 · 93% less, betterFs58 Hz +18%, worse
Qts0.43 +7%
Vas5.2 L −63%, better
BL3.5 T·m −29%, worse
Xmax4.9 mm −7%
Sensitivity85.2 dB −1.3
SB AcousticsSB12PFCR25-8
£21.98 · 93% less, betterFs59 Hz +20%, worse
Qts0.48 +20%, worse
Vas5.3 L −62%, better
BL4.6 T·m −6%
Xmax5 mm −5%
Sensitivity85 dB −1.5
SB AcousticsSB12PFC25-8
£21.98 · 93% less, betterFs64 Hz +31%, worse
Qts0.56 +40%, worse
Vas4.3 L −69%, better
BL4.5 T·m −8%
Xmax5 mm −5%
Sensitivity84.4 dB −2.1, worse
SB AcousticsSB12PFC25-4
£21.98 · 93% less, betterFs58 Hz +18%, worse
Qts0.43 +7%
Vas5.2 L −63%, better
BL3.5 T·m −29%, worse
Xmax5 mm −5%
Sensitivity85.2 dB −1.3
Dayton AudioDSA115-8
£30.07 · 90% less, betterFs63 Hz +29%, worse
Qts0.42 +5%
Vas4.0 L −72%, better
BL5.4 T·m +11%, better
Xmax4.1 mm −22%, worse
Sensitivity84.8 dB −1.7
SB AcousticsSB12NRXF25-8
£45.28 · 85% less, betterFs63 Hz +29%, worse
Qts0.42 +5%
Vas4.2 L −70%, better
BL5.5 T·m +12%, better
Xmax5 mm −5%
Sensitivity85.6 dB −0.9
SB AcousticsSB12NRX25-4
£46.34 · 85% less, betterFs55 Hz +12%, worse
Qts0.40 –
Vas5.6 L −60%, better
BL3.6 T·m −27%, worse
Xmax5 mm −5%
Sensitivity85.1 dB −1.4
SB AcousticsSB12NRX25-8
£51.87 · 83% less, betterFs57 Hz +16%, worse
Qts0.37 −8%
Vas5.3 L −62%, better
BL5.4 T·m +10%, better
Xmax5 mm −5%
Sensitivity85.8 dB −0.7
SB AcousticsSB12CACS25-8
£58.31 · 81% less, betterFs51 Hz +4%
Qts0.37 −8%
Vas6.5 L −54%, better
BL5.2 T·m +6%
Xmax5 mm −5%
Sensitivity85.4 dB −1.1
Tang BandW4-1720
£82.28 · 73% less, betterFs60 Hz +22%, worse
Qts0.42 +5%
Vas5.9 L −58%, better
BL3.8 T·m −22%, worse
Xmax5 mm −5%
Sensitivity86 dB −0.5
MorelCAW 428
£91.27 · 70% less, betterFs74 Hz +51%, worse
Qts0.38 −5%
Vas4.5 L −68%, better
BL5 T·m –
Xmax4 mm −24%, worse
Sensitivity88 dB +1.5
MorelCAW 634
£104.66 · 66% less, betterFs43 Hz −12%, better
Qts0.42 +5%
Vas13.7 L –
BL5.6 T·m +14%, better
Xmax4.3 mm −19%, worse
Sensitivity85.2 dB −1.3
MorelTIW 634FT
£152.39 · 50% less, betterFs40 Hz −18%, better
Qts0.39 –
Vas19.7 L +41%, worse
BL5.6 T·m +14%, better
Xmax4.3 mm −19%, worse
Sensitivity86.7 dB –
VisatonTI 100
£154.93 · 49% less, betterFs62 Hz +27%, worse
Qts0.41 –
Vas5.7 L −59%, better
BL5.0 T·m –
Xmax2.3 mm −57%, worse
Sensitivity86.9 dB –
MorelCAW 638
£159.05 · 48% less, betterFs43 Hz −12%, better
Qts0.46 +15%, worse
Vas15.7 L +12%, worse
BL7.3 T·m +49%, better
Xmax4.3 mm −19%, worse
Sensitivity85.4 dB −1.1
MorelTIW 638ND
£165.79 · 46% less, betterFs43 Hz −12%, better
Qts0.40 –
Vas15.5 L +11%, worse
BL7.7 T·m +57%, better
Xmax5.3 mm –
Sensitivity86.5 dB –
MorelINTEGRA 624
£192.54 · 37% less, betterFs58 Hz +18%, worse
Qts0.35 −13%, better
Vas15.3 L +10%
BL5.4 T·m +10%, better
Xmax3 mm −43%, worse
Sensitivity90.5 dB +4, better
MorelTIW 634ND
£205.14 · 33% less, betterFs40 Hz −18%, better
Qts0.36 −10%, better
Vas16.5 L +18%, worse
BL6.5 T·m +33%, better
Xmax5.5 mm +5%
Sensitivity86.4 dB –
Tang BandW4-1879
£209.33 · 32% less, betterFs55 Hz +12%, worse
Qts0.43 +7%
Vas9.1 L −35%, better
BL4.2 T·m −14%, worse
Xmax5 mm −5%
Sensitivity86.8 dB –
MorelTICW 638ND
£293.02 · 4% lessFs45 Hz −8%
Qts0.42 +5%
Vas14 L –
BL7.5 T·m +53%, better
Xmax5.3 mm –
Sensitivity86.4 dB –
MorelTSCW 636
£431.21 · 41% more, worseFs43 Hz −12%, better
Qts0.36 −10%, better
Vas13.3 L −5%
BL7.9 T·m +61%, better
Xmax5 mm −5%
Sensitivity86.4 dB –
MorelTSCM 634
£502.34 · 64% more, worseFs49 Hz –
Qts0.53 +33%, worse
Vas13.3 L −5%
BL5.1 T·m +4%
Xmax5.3 mm –
Sensitivity86.5 dB –
Tang BandW4-2356
No current priceFs70 Hz +43%, worse
Qts0.45 +12%, worse
Vas4.0 L −72%, better
BL4.9 T·m –
Xmax3 mm −43%, worse
Sensitivity85.7 dB −0.8
Tang BandW3-1876S
No current priceFs55 Hz +12%, worse
Qts0.43 +7%
Vas0.9 L −94%, better
BL5.3 T·m +8%
Xmax4 mm −24%, worse
Sensitivity76.7 dB −9.8, worse
E J JordanEIKONA
No current priceFs43 Hz −12%, better
Qts0.35 −11%, better
Vas11.0 L −22%, better
BL6.5 T·m +34%, better
Xmax5 mm −5%
Sensitivity85.3 dB −1.2
CIARENDI3.25
No current priceFs77 Hz +57%, worse
Qts0.40 –
Vas1.7 L −88%, better
BL4.2 T·m −14%, worse
Xmax3.9 mm −26%, worse
Sensitivity84.1 dB −2.4, worse
WavecorSW084OM02
No current priceFs77 Hz +57%, worse
Qts0.53 +33%, worse
Vas1.7 L −88%, better
BL4.6 T·m −7%
Xmax4.5 mm −14%, worse
Sensitivity83.4 dB −3.1, worse
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 | £502.91, the lowest price | Stock not listed | Visit shop at Willys-Hifi | |
Wilmslow Audio | £528.00 | 5.0% above the lowest price | Stock not listed | Visit shop at Wilmslow Audio |
SoundImports Import VAT and duty may apply | £477.23 | 5 in stock | Visit shop at SoundImports |
Best price over time
Tracked since 1 Apr
Recent changes
- 1 OctWillys-Hifi£514.95 → £502.91Down 2.3% from £514.95
- 30 SepWillys-Hifi£513.95 → £514.95Up 0.2% from £513.95
- 28 SepWillys-Hifi£512.95 → £513.95Up 0.2% from £512.95