Dayton AudioCE28MB-8
£0.63 · 99% less, betterFs623 Hz +1680%, worse
Qts1.63 +298%, worse
Vas0.23 L −99%, better
BL0.64 T·m −93%, worse
Xmax0.1 mm −98%, worse
Sensitivity91.5 dB +3.7, better
0.75-inch LF driver · SPH series · 38 mm voice coil · 100 W
Monacor SPH-8M 8Ω
8 Ω · 3–2500 Hz
£93.66
2.4%Willys-Hifi · All 4 offers
- Fs
- 35Hz
- Xmax
- 4.5mm
- SPL
- 88dB
- Pe
- 100W
- BL
- 9.0T·m
- Vd
- 108cm³
- Qts
- 0.41
- Vas
- 44L
Monacor SPH-8M is a 0.75-inch 8 ohm LF driver rated at 100 W RMS. The validated T/S data includes Fs 35 Hz, Qts 0.41, Vas 44 L, Xmax 4.5 mm, sensitivity 87.8 dB, plus 108 cm³ Vd and 70 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 £93.66.
The published T/S values agree with each other
Thiele/Small
- Fs
- 35Hz
- Qts
- 0.41
- Qes
- 0.50
- Qms
- 2.3
- Vas
- 44L
- Re
- 6.5Ω
- Le
- 0.78mH
Motor and cone
- BL
- 9.0T·m
- Sd
- 240cm²
- Mms
- 27g
- Xmax
- 4.5mm
- Vd †
- 108cm³
- Voice coil
- 38mm
Power and response
- Sensitivity †
- 87.8dB
- Manufacturer sensitivity
- 89dB
- Power
- 100W
- Impedance
- 8Ω
- Range
- 3–2500Hz
- EBP †
- 70 · Sealed or vented
Size and mounting
- Diameter
- 222mm
- Cutout
- 180mm
- Depth
- 97mm
- Weight
- 2.2kg
Other published values
- Cms
- 0.71mm/N
- Power Peak
- 150
Other dimensions
- Mounting Depth
- 91
Sensitivity shows 87.8 dB, calculated from the T/S values. Monacor publishes 89.0 dB, 1.2 dB apart.
† Calculated by bits from the published values
What this validation status means
Everything else Monacor lists
MF · Primary · 0.75″
- BL
- 9.0T·m
- Fs
- 35Hz
- Le
- 0.78mH
- Re
- 6.5Ω
- Sd
- 240cm²
- Cms
- 0.71mm/N
- Mms
- 27g
- Qes
- 0.50
- Qms
- 2.3
- Qts
- 0.41
- SPL
- 87.8dB
- Vas
- 44L
- Xmax
- 4.5mm
- Power
- 100W
- Impedance
- 8Ω
- Power Peak
- 150
- Sensitivity
- 89dB
- Low limit
- 3Hz
- Calculated sensitivity †
- 87.8dB
- High limit
- 2500Hz
- Manufacturer sensitivity
- 89dB
- Voice coil
- 38mm
- Weight
- 2.2kg
- Diameter
- 222mm
- Depth
- 97mm
- Mounting Depth
- 91
- Cutout
- 180mm
02
Compare
Same-size drivers, compared with the SPH-8M. Clear differences are green when better and red when worse.
This driverSPH-8M
Best price
£93.66
Fs
35 Hz
Qts
0.41
Vas
44 L
BL
9.0 T·m
Xmax
4.5 mm
Sensitivity
87.8 dB
Power
100 W
Dayton AudioCE70-30P-8
£4.63 · 95% less, betterFs371 Hz +959%, worse
Qts2.83 +590%, worse
Vas0.04 L −100%, better
BL1.6 T·m −83%, worse
Xmax0.8 mm −82%, worse
Sensitivity77.6 dB −10.2, worse
Dayton AudioCE28N-4
£4.98 · 95% less, betterFs456 Hz +1203%, worse
Qts0.85 +107%, worse
Vas0.006 L −100%, better
BL1.6 T·m −83%, worse
Xmax0.35 mm −92%, worse
Sensitivity78.6 dB −9.2, worse
Dayton AudioCE45N-4
£6.24 · 93% less, betterFs178 Hz +409%, worse
Qts0.89 +117%, worse
Vas0.084 L −100%, better
BL1.8 T·m −80%, worse
Xmax1.1 mm −76%, worse
Sensitivity78.3 dB −9.5, worse
Dayton AudioCE41N-4
£7.08 · 92% less, betterFs170 Hz +386%, worse
Qts0.53 +29%, worse
Vas0.078 L −100%, better
BL2.3 T·m −74%, worse
Xmax0.7 mm −84%, worse
Sensitivity80.2 dB −7.6, worse
Dayton AudioDMA45-8
£11.35 · 88% less, betterFs151 Hz +331%, worse
Qts0.59 +44%, worse
Vas0.057 L −100%, better
BL4.3 T·m −53%, worse
Xmax2 mm −56%, worse
Sensitivity76.6 dB −11.2, worse
Dayton AudioCE140-30S-8
£11.59 · 88% less, betterFs105 Hz +200%, worse
Qts1.04 +154%, worse
Vas0.4 L −99%, better
BL4.3 T·m −52%, worse
Xmax2 mm −56%, worse
Sensitivity77.5 dB −10.3, worse
SB AcousticsSB36WBAC21-8
£13.77 · 85% less, betterFs160 Hz +357%, worse
Qts0.61 +49%, worse
Vas0.035 L −100%, better
BL2.1 T·m −77%, worse
Xmax1.8 mm −61%, worse
Sensitivity74 dB −13.8, worse
SB AcousticsSB36WBAC21-4
£13.94 · 85% less, betterFs200 Hz +471%, worse
Qts0.41 –
Vas0.021 L −100%, better
BL1.8 T·m −80%, worse
Xmax1.8 mm −61%, worse
Sensitivity74.1 dB −13.7, worse
Dayton AudioHARB252-8
£16.66 · 82% less, betterFs172 Hz +392%, worse
Qts1.74 +324%, worse
Vas0.19 L −100%, better
BL3.0 T·m −66%, worse
Xmax1.3 mm −71%, worse
Sensitivity77.1 dB −10.7, worse
Tang BandW1-2396S
£20.01 · 79% less, betterFs180 Hz +414%, worse
Qts0.59 +44%, worse
Vas0.12 L −100%, better
BL2.1 T·m −76%, worse
Xmax1.1 mm −76%, worse
Sensitivity81.4 dB −6.4, worse
Tang BandW1-1070SH
£29.31 · 69% less, betterFs180 Hz +414%, worse
Qts0.42 –
Vas0.09 L −100%, better
BL3.2 T·m −64%, worse
Xmax2 mm −56%, worse
Sensitivity82.1 dB −5.7, worse
WavecorFR040WA02
£50.66 · 46% less, betterFs239 Hz +583%, worse
Qts1.23 +200%, worse
Vas0.064 L −100%, better
BL2 T·m −78%, worse
Xmax0.5 mm −89%, worse
Sensitivity79.9 dB −7.9, worse
Tang BandW1-1931S
No current priceFs170 Hz +386%, worse
Qts0.46 +12%, worse
Vas0.02 L −100%, better
BL2.6 T·m −71%, worse
Xmax1.2 mm −73%, worse
Sensitivity74.6 dB −13.2, worse
Tang BandW1-2121S
No current priceFs120 Hz +243%, worse
Qts0.35 −15%, better
Vas0.11 L −100%, better
BL3.1 T·m −65%, worse
Xmax2.3 mm −49%, worse
Sensitivity78.1 dB −9.7, worse
Tang BandW1-2025SA
No current priceFs200 Hz +471%, worse
Qts0.46 +12%, worse
Vas0.05 L −100%, better
BL2.1 T·m −76%, worse
Xmax0.75 mm −83%, worse
Sensitivity80.5 dB −7.3, worse
Dayton AudioCE4249N-4
No current priceFs184 Hz +426%, worse
Qts0.49 +20%, worse
Vas0.039 L −100%, better
BL2.9 T·m −67%, worse
Xmax1.6 mm −64%, worse
Sensitivity78.6 dB −9.2, worse
Tang BandW1-2361S
No current priceFs220 Hz +529%, worse
Qts0.42 –
Vas0.031 L −100%, better
BL1.0 T·m −89%, worse
Xmax0.25 mm −94%, worse
Sensitivity77.8 dB −10, worse
Tang BandW1-2370S
No current priceFs170 Hz +386%, worse
Qts0.47 +15%, worse
Vas0.051 L −100%, better
BL1.5 T·m −83%, worse
Xmax1 mm −78%, worse
Sensitivity77.9 dB −9.9, worse
Tang BandW1-1828SA
No current priceFs120 Hz +243%, worse
Qts0.33 −20%, better
Vas0.23 L −99%, better
BL2.6 T·m −71%, worse
Xmax1.3 mm −72%, worse
Sensitivity82.3 dB −5.5, worse
Tang BandW35-1315SJ
No current priceFs80 Hz +129%, worse
Qts0.49 +20%, worse
Vas3.1 L −93%, better
BL4.5 T·m −50%, worse
Xmax3 mm −33%, worse
Sensitivity86 dB −1.8
Tang BandW1-1815SA
No current priceFs170 Hz +386%, worse
Qts0.53 +29%, worse
Vas0.038 L −100%, better
BL2.1 T·m −76%, worse
Xmax1.3 mm −72%, worse
Sensitivity77 dB −10.8, worse
Tang BandW1-1942S
No current priceFs120 Hz +243%, worse
Qts0.24 −41%, better
Vas0.16 L −100%, better
BL3.5 T·m −61%, worse
Xmax1.3 mm −71%, worse
Sensitivity82.1 dB −5.7, worse
Tang BandW1-1925SB
No current priceFs220 Hz +529%, worse
Qts0.54 +32%, worse
Vas0.018 L −100%, better
BL1.1 T·m −88%, worse
Xmax0.75 mm −83%, worse
Sensitivity75.7 dB −12.1, worse
WavecorFR040WA01
No current priceFs233 Hz +566%, worse
Qts0.90 +120%, worse
Vas0.064 L −100%, better
BL1.7 T·m −81%, worse
Xmax0.5 mm −89%, worse
Sensitivity81.2 dB −6.6, worse
Dayton AudioCE40-4
No current priceFs194 Hz +454%, worse
Qts1.12 +173%, worse
Vas0.064 L −100%, better
BL1.5 T·m −83%, worse
Xmax0.7 mm −84%, worse
Sensitivity77.1 dB −10.7, 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 | £93.66, the lowest price | Stock not listed | Visit shop at Willys-Hifi | |
Wilmslow Audio | £105.00 | 12% above the lowest price | Stock not listed | Visit shop at Wilmslow Audio |
Audiophonics Import VAT and duty may apply | £99.64 | 6.4% above the lowest price | In stock | Visit shop at Audiophonics |
SoundImports Import VAT and duty may apply | £104.62 | 12% above the lowest price | 1 in stock | Visit shop at SoundImports |
Best price over time
Tracked since 1 Apr
Recent changes
- 1 OctWillys-Hifi£95.95 → £93.66Down 2.4% from £95.95
- 15 AugWillys-Hifi£96.95 → £95.95Down 1.0% from £96.95
- 14 AugWillys-Hifi£95.95 → £96.95Up 1.0% from £95.95