SB AudienceROSSO-18SW750
£200.80Fs36 Hz –
Qts0.43 +9%
Vas206.9 L –
BL23.3 T·m +51%, better
Xmax8.8 mm +96%, better
Sensitivity95.3 dB –
18-inch LF driver · TF1830 series · 75 mm voice coil · 500 W
Celestion TF1830 4Ω
4 Ω · 35–1000 Hz
No price for delivery to the UK
- Fs
- 36Hz
- Xmax
- 4.5mm
- SPL
- 95dB
- Pe
- 500W
- BL
- 15.5T·m
- Vd
- 510cm³
- Qts
- 0.39
- Vas
- 202L
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 1 trace
These plotted lines are Bits digitizations of manufacturer evidence, not new measurements. How provenance works
- Trace datasheet-response-trace-poc/v1
LF frequency response
Frequency response
137 plotted pointsMedium confidence266 selected pixels of 423
Published graphs
Celestion TF1830 is an 18-inch 4 ohm LF driver rated at 500 W RMS. The validated T/S data includes Fs 36 Hz, Qts 0.39, Vas 202.4 L, Xmax 4.5 mm, sensitivity 95.3 dB, plus 510 cm³ Vd and 82 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
- 36Hz
- Qts
- 0.39
- Qes
- 0.43
- Qms
- 4.2
- Vas
- 202.4L
- Re
- 2.6Ω
- Le
- 1.28mH
Motor and cone
- BL
- 15.5T·m
- Sd
- 1134cm²
- Mms
- 179g
- Xmax
- 4.5mm
- Vd †
- 510cm³
- Voice coil
- 75mm
Power and response
- Sensitivity †
- 95.3dB
- Manufacturer sensitivity
- 96dB
- Power
- 500W
- Impedance
- 4Ω
- Range
- 35–1000Hz
- EBP †
- 82 · Sealed or vented
Size and mounting
- Diameter
- 460mm
- Cutout
- 421mm
- Bolt circle
- 443.4mm
- Depth
- 209mm
- Weight
- 7.5kg
Other published values
- Cms
- 0.11mm/N
- Rms
- 9.53kg/s
- Power Program
- 1000
† Calculated by bits from the published values
What this validation status means
Everything else Celestion lists
LF · Primary · 18″
- BL
- 15.5T·m
- Fs
- 36Hz
- Le
- 1.28mH
- Re
- 2.6Ω
- Sd
- 1134cm²
- Cms
- 0.11mm/N
- Mms
- 179g
- Qes
- 0.43
- Qms
- 4.2
- Qts
- 0.39
- Rms
- 9.53kg/s
- SPL
- 95.3dB
- Vas
- 202.4L
- Xmax
- 4.5mm
- Power
- 500W
- Impedance
- 4Ω
- Sensitivity
- 96dB
- Low limit
- 35Hz
- Power Program
- 1000
- Calculated sensitivity †
- 95.3dB
- High limit
- 1000Hz
- Manufacturer sensitivity
- 96dB
- Voice coil
- 75mm
- Weight
- 7.5kg
- Diameter
- 460mm
- Depth
- 209mm
- Cutout
- 421mm
- Bolt circle
- 443.4mm
02
Compare
Same-size drivers, compared with the TF1830. Clear differences are green when better and red when worse.
This driverTF1830
Best price
–
Fs
36 Hz
Qts
0.39
Vas
202.4 L
BL
15.5 T·m
Xmax
4.5 mm
Sensitivity
95.3 dB
Power
500 W
B&C18PS100
£213.51Fs30 Hz −16%, better
Qts0.40 –
Vas251 L +24%, worse
BL20 T·m +29%, better
Xmax7 mm +56%, better
Sensitivity94.1 dB −1.2
Beyma18LEX1000FE
£225.00Fs34 Hz −5%
Qts0.38 −3%
Vas250 L +24%, worse
BL23.8 T·m +54%, better
Xmax11 mm +144%, better
Sensitivity96 dB +0.7
B&C18PZW100
£227.00Fs37 Hz +4%
Qts0.36 −8%
Vas186 L −8%
BL25.5 T·m +65%, better
Xmax8 mm +78%, better
Sensitivity96 dB +0.7
CelestionFTR18-4080HDX
£237.20Fs39 Hz +10%
Qts0.43 +9%
Vas174.9 L −14%, better
BL21.3 T·m +38%, better
Xmax10.1 mm +124%, better
Sensitivity95.6 dB –
CelestionCF1840JD
£239.00Fs37 Hz +4%
Qts0.40 –
Vas155 L −23%, better
BL24.8 T·m +60%, better
Xmax12.5 mm +178%, better
Sensitivity94.6 dB −0.7
Beyma18LEX1000ND
£249.54Fs34 Hz −5%
Qts0.39 –
Vas260 L +28%, worse
BL22 T·m +42%, better
Xmax11 mm +144%, better
Sensitivity95.9 dB +0.6
Beyma18LEX1600FE
£277.00Fs34 Hz −5%
Qts0.38 −3%
Vas188 L −7%
BL26.9 T·m +74%, better
Xmax13 mm +189%, better
Sensitivity94.7 dB −0.6
B&C18NBX100
£278.92Fs35 Hz –
Qts0.37 −6%
Vas192 L −5%
BL22 T·m +42%, better
Xmax10 mm +122%, better
Sensitivity95.3 dB –
MonacorCF1840JD/4
£283.85Fs37 Hz +4%
Qts0.40 –
Vas155 L −23%, better
BL24.8 T·m +60%, better
Xmax12.5 mm +178%, better
Sensitivity94.6 dB −0.7
SB AudienceNERO-18SW1900D
£393.49Fs34 Hz −5%
Qts0.42 +7%
Vas157.9 L −22%, better
BL28.5 T·m +84%, better
Xmax17.5 mm +289%, better
Sensitivity93.6 dB −1.7
Beyma18LEX1600ND
£399.00Fs33 Hz −8%
Qts0.43 +9%
Vas231 L +14%, worse
BL24.5 T·m +58%, better
Xmax14.5 mm +222%, better
Sensitivity94.7 dB −0.6
No photo
Precision DevicesPD.1845-2N
£422.00Fs35 Hz –
Qts0.39 –
Vas157 L −22%, better
BL27 T·m +75%, better
Xmax18 mm +300%, better
Sensitivity94.3 dB −1
FaitalPRO18XL1800
£425.00Fs29 Hz −19%, better
Qts0.40 –
Vas215.5 L +6%
BL25.4 T·m +64%, better
Xmax20.2 mm +348%, better
Sensitivity93 dB −2.3, worse
BishopSoundBDP18/4
No current priceFs39 Hz +9%
Qts0.40 –
Vas183.3 L −9%
BL17.1 T·m +10%, better
Xmax11.3 mm +151%, better
Sensitivity96.2 dB +0.9
CelestionCF1840H
No current priceFs39 Hz +8%
Qts0.35 −11%, better
Vas196.7 L –
BL17.4 T·m +13%, better
Xmax8 mm +78%, better
Sensitivity96.7 dB +1.4
P.Audio18BM-1000S
No current priceFs35 Hz –
Qts0.40 –
Vas212.1 L +5%
BL23.8 T·m +54%, better
Xmax8 mm +78%, better
Sensitivity95.3 dB –
P.Audio19NT-115XB
No current priceFs35 Hz –
Qts0.39 –
Vas206 L –
BL29 T·m +88%, better
Xmax9.5 mm +111%, better
Sensitivity95.4 dB –
Sica18 S 4 PL
No current priceFs36 Hz –
Qts0.39 –
Vas189 L −7%
BL23.5 T·m +52%, better
Xmax8 mm +78%, better
Sensitivity95.3 dB –
CelestionERPROX18
No current priceFs35 Hz –
Qts0.38 −4%
Vas188.9 L −7%
BL24.4 T·m +58%, better
Xmax9.5 mm +111%, better
Sensitivity94.7 dB −0.6
REDCATT18FIND-1
No current priceFs36 Hz –
Qts0.42 +7%
Vas203.4 L –
BL23.6 T·m +53%, better
Xmax5.8 mm +30%, better
Sensitivity95.4 dB –
P.AudioP-18N-V3
No current priceFs35 Hz –
Qts0.40 –
Vas179.5 L −11%, better
BL24.1 T·m +56%, better
Xmax9 mm +100%, better
Sensitivity94.7 dB −0.6
P.Audio18NT-100XB
No current priceFs35 Hz –
Qts0.41 +4%
Vas171.3 L −15%, better
BL24.6 T·m +59%, better
Xmax7 mm +56%, better
Sensitivity94.4 dB −0.9
Dayton AudioSS18-22
No current priceFs21 Hz −41%, better
Qts0.37 −6%
Vas224 L +11%, worse
BL29.2 T·m +89%, better
Xmax26 mm +478%, better
Sensitivity89 dB −6.3, worse
CelestionFTR18-4080FDX
No current priceFs37 Hz +4%
Qts0.41 +5%
Vas160.7 L −21%, better
BL25.1 T·m +62%, better
Xmax6 mm +33%, better
Sensitivity94.9 dB –
No current price
Fs33 Hz −8%
Qts0.39 –
Vas257 L +27%, worse
BL22.4 T·m +45%, better
Xmax12 mm +167%, better
Sensitivity95.6 dB –
Sica18 PFS 4
No current priceFs29 Hz −20%, better
Qts0.37 −6%
Vas245.9 L +21%, worse
BL24.6 T·m +59%, better
Xmax9.5 mm +111%, better
Sensitivity93.5 dB −1.8
No photo
PHL Audio7081
No current priceFs34 Hz −5%
Qts0.41 +4%
Vas267.6 L +32%, worse
BL22.7 T·m +47%, better
Xmax7.5 mm +67%, better
Sensitivity95.8 dB +0.5
B&C18RBX100
No current priceFs42 Hz +18%, worse
Qts0.40 –
Vas136 L −33%, better
BL22 T·m +42%, better
Xmax10 mm +122%, better
Sensitivity95.9 dB +0.6
P.Audio19FT-125XB
No current priceFs33 Hz −8%
Qts0.45 +15%, worse
Vas207.9 L –
BL29.2 T·m +89%, better
Xmax9.3 mm +107%, better
Sensitivity94 dB −1.3
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 |
|---|---|---|---|---|
Lean Audio | £179.00 | Out of stock | Visit shop at Lean Audio | |
Lean Business | £179.00 | Out of stock | Visit shop at Lean Business |