Dayton AudioCE48-4
£6.61 · 81% less, betterFs151 Hz −20%, better
Qts0.95 –
Vas0.068 L −69%, better
BL2.5 T·m −4%
Xmax1.2 mm −8%
Sensitivity75.6 dB −7.6, worse
3-inch LF driver · 15 W
Dayton Audio RS75T-8 8Ω
8 Ω · 170–20000 Hz
£35.08
16%RumoH · Ships from Netherlands · All 3 offers
- Fs
- 189Hz
- Xmax
- 1.3mm
- SPL
- 83dB
- Pe
- 15W
- BL
- 2.6T·m
- Vd
- 2cm³
- Qts
- 0.95
- Vas
- 0.22L
Manufacturer response and impedance data, with source and trace details below. The left and right arrow keys read every shown curve at a frequency, a twelfth of an octave at a time, or an octave with Shift. Escape clears the reading.
Curve provenanceInspect 3 traces
These plotted lines are Bits digitizations of manufacturer evidence, not new measurements. How provenance works
- Trace datasheet-response-trace-poc/v1
15 degrees
Frequency response
201 plotted pointsMedium confidence457 selected pixels of 814 - Trace datasheet-response-trace-poc/v1
on-axis
Frequency response
240 plotted pointsMedium confidence1,222 selected pixels of 1,222 - Trace datasheet-response-trace-poc/v1
impedance
Impedance response
240 plotted pointsMedium confidence1,288 selected pixels of 1,288
Dayton Audio RS75T-8 is a 3-inch 8 ohm LF driver rated at 15 W RMS. The validated T/S data includes Fs 189 Hz, Qts 0.95, Vas 0.22 L, Xmax 1.3 mm, sensitivity 83.2 dB, plus 2 cm³ Vd and 167 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 £35.08.
The published T/S values agree with each other
Thiele/Small
- Fs
- 189Hz
- Qts
- 0.95
- Qes
- 1.13
- Qms
- 5.8
- Vas
- 0.22L
- Re
- 6.1Ω
- Le
- 0.32mH
Motor and cone
- BL
- 2.6T·m
- Sd
- 12cm²
- Mms
- 1g
- Xmax
- 1.3mm
- Vd †
- 2cm³
Power and response
- Sensitivity †
- 83.2dB
- Manufacturer sensitivity
- 84.3dB
- Power
- 15W
- Impedance
- 8Ω
- Range
- 170–20000Hz
- EBP †
- 167 · Leans vented
Size and mounting
- Diameter
- 72mm
- Cutout
- 54mm
- Depth
- 38.5mm
- Weight
- 0.27kg
Other published values
- Cms
- 0.69mm/N
- Power Peak
- 30
Sensitivity shows 83.2 dB, calculated from the T/S values. Dayton Audio publishes 84.3 dB, 1.1 dB apart.
† Calculated by bits from the published values
What this validation status means
Everything else Dayton Audio lists
LF · Primary · 3″
- BL
- 2.6T·m
- Fs
- 189Hz
- Le
- 0.32mH
- Re
- 6.1Ω
- Sd
- 12cm²
- Cms
- 0.69mm/N
- Mms
- 1g
- Qes
- 1.13
- Qms
- 5.8
- Qts
- 0.95
- SPL
- 83.2dB
- Vas
- 0.22L
- Xmax
- 1.3mm
- Power
- 15W
- Impedance
- 8Ω
- Power Peak
- 30
- Sensitivity
- 84.3dB
- Low limit
- 170Hz
- Calculated sensitivity †
- 83.2dB
- High limit
- 20000Hz
- Manufacturer sensitivity
- 84.3dB
- Weight
- 0.27kg
- Diameter
- 72mm
- Depth
- 38.5mm
- Cutout
- 54mm
02
Compare
Same-size drivers, compared with the RS75T-8. Clear differences are green when better and red when worse.
This driverRS75T-8
Best price
£35.08
Fs
189 Hz
Qts
0.95
Vas
0.22 L
BL
2.6 T·m
Xmax
1.3 mm
Sensitivity
83.2 dB
Power
15 W
VisatonFRS 5 X
£11.52 · 67% less, betterFs190 Hz –
Qts0.70 −26%, better
Vas0.23 L +5%
BL2.7 T·m +3%
Xmax0.25 mm −81%, worse
Sensitivity84.6 dB +1.4
SB AcousticsSB10PGC21-4
£14.23 · 59% less, betterFs89 Hz −53%, better
Qts0.92 −3%
Vas1.2 L +445%, worse
BL2.3 T·m −11%, worse
Xmax2.3 mm +73%, better
Sensitivity81.3 dB −1.9
HiViB3S
£15.45 · 56% less, betterFs80 Hz −58%, better
Qts0.93 –
Vas1.6 L +627%, worse
BL2.9 T·m +12%, better
Xmax3 mm +131%, better
Sensitivity80.4 dB −2.8, worse
VisatonFRS 5 XTS
£15.53 · 56% less, betterFs190 Hz –
Qts0.70 −26%, better
Vas0.23 L +5%
BL2.7 T·m +3%
Xmax0.25 mm −81%, worse
Sensitivity84.6 dB +1.4
Sica4 D 0.8 CS
£15.91 · 55% less, betterFs140 Hz −26%, better
Qts0.92 −3%
Vas1.2 L +445%, worse
BL2.6 T·m –
Xmax1.3 mm –
Sensitivity86.5 dB +3.3, better
HiViB2S
£16.66 · 53% less, betterFs152 Hz −20%, better
Qts1.20 +26%, worse
Vas0.2 L −9%
BL2.5 T·m −3%
Xmax1.5 mm +15%, better
Sensitivity78.6 dB −4.6, worse
Sica2.5 H 0.8 SL
£17.58 · 50% less, betterFs185 Hz –
Qts0.92 −3%
Vas0.2 L −9%
BL2.8 T·m +9%
Xmax1.3 mm –
Sensitivity82.6 dB −0.6
Sica2 H 0.8 SL
£17.58 · 50% less, betterFs216 Hz +14%, worse
Qts0.81 −15%, better
Vas0.1 L −55%, better
BL2.6 T·m –
Xmax1.4 mm +8%
Sensitivity82.1 dB −1.1
VisatonSC 8 N
£21.64 · 38% less, betterFs110 Hz −42%, better
Qts0.97 –
Vas1.5 L +582%, worse
BL2.4 T·m −7%
Xmax0.5 mm −62%, worse
Sensitivity83.9 dB +0.7
Dayton AudioRS75-4
£22.43 · 36% less, betterFs177 Hz −6%
Qts0.83 −13%, better
Vas0.14 L −36%, better
BL2.0 T·m −22%, worse
Xmax1.1 mm −15%, worse
Sensitivity81.1 dB −2.1, worse
Sica3 L 0.8 SL
£26.75 · 24% less, betterFs145 Hz −23%, better
Qts1.01 +6%
Vas0.8 L +264%, worse
BL2.8 T·m +9%
Xmax1.5 mm +15%, better
Sensitivity84.8 dB +1.6
Dayton AudioRS75-8
£29.22 · 17% less, betterFs185 Hz –
Qts1.07 +13%, worse
Vas0.11 L −49%, better
BL2.5 T·m –
Xmax1.3 mm –
Sensitivity79.3 dB −3.9, worse
CelestionAN2775
£35.00 · Same priceFs123 Hz −35%, better
Qts0.96 –
Vas3.6 L +1523%, worse
BL3.1 T·m +19%, better
Xmax2.3 mm +73%, better
Sensitivity89.6 dB +6.4, better
PRV Audio3MR40-NDY-4
£36.80 · 5% moreFs153 Hz −19%, better
Qts0.77 −19%, better
Vas0.6 L +186%, worse
BL2.9 T·m +14%, better
Xmax1.4 mm +8%
Sensitivity85.6 dB +2.4, better
PRV Audio4MR60-NDY-4
£41.82 · 19% more, worseFs96 Hz −49%, better
Qts0.85 −11%, better
Vas2.9 L +1195%, worse
BL2.8 T·m +9%
Xmax1.4 mm +8%
Sensitivity85.8 dB +2.6, better
WavecorFR055WA01
£60.79 · 73% more, worseFs142 Hz −25%, better
Qts0.91 −4%
Vas0.27 L +23%, worse
BL2.1 T·m −19%, worse
Xmax1.4 mm +4%
Sensitivity80.9 dB −2.3, worse
WavecorFR090WA01
£61.12 · 74% more, worseFs113 Hz −40%, better
Qts0.88 −7%
Vas1.1 L +386%, worse
BL2.8 T·m +7%
Xmax2.3 mm +73%, better
Sensitivity83.8 dB +0.6
SEASH1600-04 FU10RB
£80.34 · 129% more, worseFs102 Hz −46%, better
Qts0.91 −4%
Vas1 L +355%, worse
BL2.7 T·m +5%
Xmax2 mm +54%, better
Sensitivity81.2 dB −2, worse
WavecorFR055WA02
No current priceFs128 Hz −32%, better
Qts0.82 −14%, better
Vas0.33 L +50%, worse
BL2.7 T·m +3%
Xmax1.4 mm +4%
Sensitivity80.8 dB −2.4, worse
LavoceFSN020.72
No current priceFs210 Hz +11%, worse
Qts0.92 −3%
Vas0.18 L −18%, better
BL3.2 T·m +24%, better
Xmax2.3 mm +77%, better
Sensitivity83.6 dB –
Dayton AudioCE78PF-4
No current priceFs100 Hz −47%, better
Qts0.99 +4%
Vas1.1 L +418%, worse
BL2.2 T·m −14%, worse
Xmax1.4 mm +8%
Sensitivity81.3 dB −1.9
WavecorFR055OM02
No current priceFs135 Hz −29%, better
Qts1.06 +12%, worse
Vas0.35 L +59%, worse
BL2.5 T·m −3%
Xmax1 mm −23%, worse
Sensitivity80.5 dB −2.7, worse
WavecorFR084OM01
No current priceFs115 Hz −39%, better
Qts0.92 −3%
Vas1.1 L +391%, worse
BL2.8 T·m +7%
Xmax2.3 mm +73%, better
Sensitivity84.1 dB +0.9
Tang BandW2-1803S
No current priceFs155 Hz −18%, better
Qts0.75 −21%, better
Vas0.25 L +14%, worse
BL2.3 T·m −10%, worse
Xmax0.7 mm −46%, worse
Sensitivity81.6 dB −1.6
WavecorFR055WA03
No current priceFs142 Hz −25%, better
Qts0.57 −40%, better
Vas0.27 L +23%, worse
BL2.7 T·m +5%
Xmax1.4 mm +4%
Sensitivity83.1 dB –
WavecorFR070OM02
No current priceFs120 Hz −37%, better
Qts1 +5%
Vas0.6 L +173%, worse
BL2.9 T·m +12%, better
Xmax2.5 mm +92%, better
Sensitivity81.9 dB −1.3
LavoceFSN020.71F
No current priceFs212 Hz +12%, worse
Qts0.82 −14%, better
Vas0.22 L –
BL3.2 T·m +26%, better
Xmax2.4 mm +85%, better
Sensitivity85.5 dB +2.3, better
CIARECXE104
No current priceFs119 Hz −37%, better
Qts0.93 –
Vas2.4 L +982%, worse
BL3.0 T·m +15%, better
Xmax2.1 mm +62%, better
Sensitivity87.2 dB +4, better
Dayton AudioCE67PR-4
No current priceFs218 Hz +15%, worse
Qts0.92 −3%
Vas0.11 L −50%, better
BL3.2 T·m +25%, better
Xmax2.2 mm +69%, better
Sensitivity82.1 dB −1.1
Tune the match
Choose the published values that matter to your design. Size stays matched to this driver.
Qts
Qes
VasL
Xmaxmm
BLTm
- Parts Express3.5 out of 54 ratings · Checked 26 Oct 2026Read reviews on Parts Express
- SoundImports4.7 out of 53 ratings · Checked 26 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 |
|---|---|---|---|---|
RumoH Import VAT and duty may apply | £35.08, the lowest price | Stock not listed | Visit shop at RumoH | |
Parts Express Import VAT and duty may apply | £22.43 | Back order | Visit shop at Parts Express | |
SoundImports Import VAT and duty may apply | £41.82 | 19% above the lowest price | 6 in stock | Visit shop at SoundImports |
Best price over time
Tracked since 1 Apr
Recent changes
- 20 AprSoundImports£38.89 → £41.82Up 7.5% from £38.89