Dayton AudioPC83-4
£13.10Fs80 Hz −33%, better
Qts0.54 –
Vas2.0 L +32%, worse
BL2.9 T·m −15%, worse
Xmax2 mm +167%, better
Sensitivity84 dB −3.8, worse
3-inch LF driver · SP series · 19 mm voice coil · 20 W
Monacor SP-45/8 8Ω
8 Ω · 3–16000 Hz
No current price
- Fs
- 120Hz
- Xmax
- 0.75mm
- SPL
- 88dB
- Pe
- 20W
- BL
- 3.4T·m
- Vd
- 2cm³
- Qts
- 0.55
- Vas
- 2L
Monacor SP-45/8 is a 3-inch 8 ohm LF driver rated at 20 W RMS. The validated T/S data includes Fs 120 Hz, Qts 0.55, Vas 1.5 L, Xmax 0.75 mm, sensitivity 87.8 dB, plus 2 cm³ Vd and 176 EBP. bits tracks vendor pricing, datasheet links, simulator import data, and similar drivers from the same loudspeaker database.
The published T/S values agree with each other
Thiele/Small
- Fs
- 120Hz
- Qts
- 0.55
- Qes
- 0.68
- Qms
- 2.8
- Vas
- 1.5L
- Re
- 6.5Ω
- Le
- 0.15mH
Motor and cone
- BL
- 3.4T·m
- Sd
- 31cm²
- Mms
- 2g
- Xmax
- 0.75mm
- Vd †
- 2cm³
- Voice coil
- 19mm
Power and response
- Sensitivity †
- 87.8dB
- Manufacturer sensitivity
- 88dB
- Power
- 20W
- Impedance
- 8Ω
- Range
- 3–16000Hz
- EBP †
- 176 · Leans vented
Size and mounting
- Diameter
- 93mm
- Cutout
- 72mm
- Depth
- 43mm
- Weight
- 0.4kg
Other published values
- Cms
- 1.10mm/N
- Power Peak
- 40
Other dimensions
- Mounting Depth
- 43
† Calculated by bits from the published values
What this validation status means
Everything else Monacor lists
MF · Primary · 3″
- BL
- 3.4T·m
- Fs
- 120Hz
- Le
- 0.15mH
- Re
- 6.5Ω
- Sd
- 31cm²
- Cms
- 1.10mm/N
- Mms
- 2g
- Qes
- 0.68
- Qms
- 2.8
- Qts
- 0.55
- SPL
- 87.8dB
- Vas
- 1.5L
- Xmax
- 0.75mm
- Power
- 20W
- Impedance
- 8Ω
- Power Peak
- 40
- Sensitivity
- 88dB
- Low limit
- 3Hz
- Calculated sensitivity †
- 87.8dB
- High limit
- 16000Hz
- Manufacturer sensitivity
- 88dB
- Voice coil
- 19mm
- Weight
- 0.4kg
- Diameter
- 93mm
- Depth
- 43mm
- Mounting Depth
- 43
- Cutout
- 72mm
02
Compare
Same-size drivers, compared with the SP-45/8. Clear differences are green when better and red when worse.
This driverSP-45/8
Best price
–
Fs
120 Hz
Qts
0.55
Vas
1.5 L
BL
3.4 T·m
Xmax
0.75 mm
Sensitivity
87.8 dB
Power
20 W
Dayton AudioPC83-8
£13.10Fs82 Hz −32%, better
Qts0.63 +15%, worse
Vas1.7 L +13%, worse
BL3.5 T·m –
Xmax2 mm +167%, better
Sensitivity83 dB −4.8, worse
Sica3.5 F 1 CS
£16.66Fs107 Hz −11%, better
Qts0.57 +4%
Vas1.4 L −7%
BL4.2 T·m +24%, better
Xmax1.5 mm +100%, better
Sensitivity86.4 dB −1.4
MonacorSPX-32M
£18.42Fs110 Hz −8%
Qts0.56 –
Vas1.6 L +7%
BL3.7 T·m +9%
Xmax1.1 mm +47%, better
Sensitivity87.5 dB –
MonacorSPX-31M
£19.26Fs110 Hz −8%
Qts0.58 +5%
Vas1.3 L −13%, better
BL3.6 T·m +7%
Xmax1.1 mm +47%, better
Sensitivity86 dB −1.8
Sica3.5 L 1 SL
£23.36Fs108 Hz −10%, better
Qts0.57 +4%
Vas1.4 L −7%
BL4.3 T·m +26%, better
Xmax1.5 mm +100%, better
Sensitivity86.6 dB −1.2
VisatonKT 100 V
£24.24Fs42 Hz −65%, better
Qts0.56 –
Vas7.5 L +400%, worse
BL3.3 T·m –
Xmax2 mm +167%, better
Sensitivity81.1 dB −6.7, worse
CIAREPA087
£24.28Fs74 Hz −38%, better
Qts0.62 +13%, worse
Vas2.2 L +47%, worse
BL3.5 T·m –
Xmax2 mm +167%, better
Sensitivity83 dB −4.8, worse
Dayton AudioND90-4
£25.04Fs90 Hz −25%, better
Qts0.63 +15%, worse
Vas1.1 L −29%, better
BL3.5 T·m –
Xmax4 mm +433%, better
Sensitivity82.4 dB −5.4, worse
Tang BandW3-871B
£27.63Fs110 Hz −8%
Qts0.52 −5%
Vas1.2 L −22%, better
BL3.7 T·m +9%
Xmax0.5 mm −33%, worse
Sensitivity86.1 dB −1.7
Dayton AudioRS100-4
£29.91Fs85 Hz −29%, better
Qts0.53 −4%
Vas1.4 L −3%
BL3.2 T·m −6%
Xmax4 mm +433%, better
Sensitivity83.3 dB −4.5, worse
Dayton AudioRS100P-4
£29.91Fs85 Hz −29%, better
Qts0.54 –
Vas1.9 L +24%, worse
BL3.0 T·m −13%, worse
Xmax4 mm +433%, better
Sensitivity84.3 dB −3.5, worse
Dayton AudioRS100P-8
£29.91Fs96 Hz −20%, better
Qts0.54 –
Vas1.8 L +21%, worse
BL4.0 T·m +16%, better
Xmax3.7 mm +393%, better
Sensitivity85.5 dB −2.3, worse
Dayton AudioRS100-8
£29.91Fs92 Hz −23%, better
Qts0.58 +5%
Vas1.4 L −5%
BL4.2 T·m +24%, better
Xmax3.5 mm +367%, better
Sensitivity83.7 dB −4.1, worse
Dayton AudioDMA105-4
£30.10Fs73 Hz −39%, better
Qts0.51 −7%
Vas4.2 L +183%, worse
BL3.4 T·m –
Xmax2.5 mm +233%, better
Sensitivity86.2 dB −1.6
Tang BandW3-881SJ
£30.14Fs100 Hz −17%, better
Qts0.58 +5%
Vas2.3 L +54%, worse
BL3.3 T·m –
Xmax0.2 mm −73%, worse
Sensitivity87.7 dB –
Tang BandW3-871SC
£30.90Fs110 Hz −8%
Qts0.59 +7%
Vas1.6 L +10%
BL3.5 T·m +3%
Xmax0.5 mm −33%, worse
Sensitivity86.9 dB −0.9
Tang BandW3-315E
£32.19Fs100 Hz −17%, better
Qts0.52 −5%
Vas1.7 L +12%, worse
BL3.9 T·m +14%, better
Xmax1.3 mm +67%, better
Sensitivity86.7 dB −1.1
FountekFR58EX
£37.60Fs134 Hz +12%, worse
Qts0.55 –
Vas0.01 L −99%, better
BL3.4 T·m –
Xmax2.9 mm +287%, better
Sensitivity67.5 dB −20.3, worse
WavecorWF095WA02
£41.14Fs86 Hz −28%, better
Qts0.62 +13%, worse
Vas1.6 L +7%
BL3.6 T·m +6%
Xmax2.7 mm +260%, better
Sensitivity83.7 dB −4.1, worse
WavecorWF095WA01
£41.14Fs89 Hz −26%, better
Qts0.64 +16%, worse
Vas1.5 L –
BL3 T·m −12%, worse
Xmax2.7 mm +260%, better
Sensitivity83.8 dB −4, worse
Tang BandW3-1364SA
£50.24Fs105 Hz −13%, better
Qts0.59 +7%
Vas1.9 L +25%, worse
BL3.1 T·m −7%
Xmax0.5 mm −33%, worse
Sensitivity86.5 dB −1.3
Scanspeak10F/8414G10
£66.31Fs100 Hz −17%, better
Qts0.51 −7%
Vas1.6 L +5%
BL4.3 T·m +26%, better
Xmax2.3 mm +207%, better
Sensitivity85.9 dB −1.9
MonacorSP-45/4
No current priceFs120 Hz –
Qts0.55 –
Vas1.5 L –
BL2.4 T·m −29%, worse
Xmax0.75 mm –
Sensitivity87.8 dB –
Tang BandW3-1053SC
No current priceFs100 Hz −17%, better
Qts0.52 −5%
Vas1.8 L +18%, worse
BL3.7 T·m +9%
Xmax0.75 mm –
Sensitivity87 dB −0.8
Tang BandW3-1319SA
No current priceFs110 Hz −8%
Qts0.55 –
Vas1.8 L +18%, worse
BL3.5 T·m +4%
Xmax0.5 mm −33%, worse
Sensitivity87.4 dB –
Tang BandW3-926SDF
No current priceFs100 Hz −17%, better
Qts0.49 −11%, better
Vas1.9 L +26%, worse
BL3.7 T·m +9%
Xmax0.75 mm –
Sensitivity87.5 dB –
Tang BandW3-532SQ
No current priceFs100 Hz −17%, better
Qts0.61 +11%, worse
Vas1.7 L +12%, worse
BL3.5 T·m +4%
Xmax0.2 mm −73%, worse
Sensitivity85.9 dB −1.9
Tang BandW3-582A
No current priceFs100 Hz −17%, better
Qts0.60 +9%
Vas1.8 L +18%, worse
BL3.6 T·m +5%
Xmax0.25 mm −67%, worse
Sensitivity86.2 dB −1.6
Tang BandW3-926SD
No current priceFs110 Hz −8%
Qts0.46 −16%, better
Vas1.9 L +26%, worse
BL3.8 T·m +13%, better
Xmax0.75 mm –
Sensitivity89 dB +1.2
Tune the match
Choose the published values that matter to your design. Size stays matched to this driver.
Qts
Qes
VasL
Xmaxmm
BLTm
No current price found. Pricing may appear after the next vendor refresh.