Oberton18XB1301DS
£284.15 · 25% less, betterFs36 Hz –
Qts0.30 +4%
Vas172.9 L +45%, worse
BL26.9 T·m −21%, worse
Xmax12 mm −20%, worse
Sensitivity96 dB +1.7
18-inch LF driver · TSQ1845 series · 115 mm voice coil · 1,800 W
Celestion TSQ1845 8Ω
8 Ω · 30–1000 Hz
£409.00
SteadyLean Business · All 4 offers
- Fs
- 35Hz
- Xmax
- 15mm
- SPL
- 94dB
- Pe
- 1800W
- BL
- 33.8T·m
- Vd
- 1701cm³
- Qts
- 0.29
- Vas
- 119L
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
96 plotted pointsMedium confidence110 selected pixels of 208
Published graphs
Celestion TSQ1845 is an 18-inch 8 ohm LF driver rated at 1800 W RMS. The validated T/S data includes Fs 35 Hz, Qts 0.29, Vas 119.3 L, Xmax 15 mm, sensitivity 94.3 dB, plus 1701 cm³ Vd and 117 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 £380.98.
The published T/S values agree with each other
Thiele/Small
- Fs
- 35Hz
- Qts
- 0.29
- Qes
- 0.30
- Qms
- 8.7
- Vas
- 119.3L
- Re
- 5Ω
- Le
- 3.06mH
Motor and cone
- BL
- 33.8T·m
- Sd
- 1134cm²
- Mms
- 316g
- Xmax
- 15mm
- Vd †
- 1701cm³
- Voice coil
- 115mm
Power and response
- Sensitivity †
- 94.3dB
- Manufacturer sensitivity
- 96.5dB
- Power
- 1800W
- Impedance
- 8Ω
- Range
- 30–1000Hz
- EBP †
- 117 · Leans vented
Size and mounting
- Diameter
- 460mm
- Cutout
- 415mm
- Bolt circle
- 439mm
- Depth
- 247mm
- Weight
- 11.8kg
Other published values
- Cms
- 0.065mm/N
- Rms
- 7.99kg/s
- Power Program
- 3600
Sensitivity shows 94.3 dB, calculated from the T/S values. Celestion publishes 96.5 dB, 2.2 dB apart.
† Calculated by bits from the published values
What this validation status means
Everything else Celestion lists
LF · Primary · 18″
- BL
- 33.8T·m
- Fs
- 35Hz
- Le
- 3.06mH
- Re
- 5Ω
- Sd
- 1134cm²
- Cms
- 0.065mm/N
- Mms
- 316g
- Qes
- 0.30
- Qms
- 8.7
- Qts
- 0.29
- Rms
- 7.99kg/s
- SPL
- 94.3dB
- Vas
- 119.3L
- Xmax
- 15mm
- Power
- 1800W
- Impedance
- 8Ω
- Sensitivity
- 96.5dB
- Low limit
- 30Hz
- Power Program
- 3600
- Calculated sensitivity †
- 94.3dB
- High limit
- 1000Hz
- Manufacturer sensitivity
- 96.5dB
- Voice coil
- 115mm
- Weight
- 11.8kg
- Diameter
- 460mm
- Depth
- 247mm
- Cutout
- 415mm
- Bolt circle
- 439mm
02
Compare
Same-size drivers, compared with the TSQ1845. Clear differences are green when better and red when worse.
This driverTSQ1845
Best price
£380.98
Fs
35 Hz
Qts
0.29
Vas
119.3 L
BL
33.8 T·m
Xmax
15 mm
Sensitivity
94.3 dB
Power
1800 W
Eighteen Sound18LW2600
£297.25 · 22% less, betterFs31 Hz −11%, better
Qts0.29 –
Vas187 L +57%, worse
BL31 T·m −8%
Xmax14.8 mm –
Sensitivity94.7 dB –
SB AudienceNERO-18SW1100D
£334.88 · 12% less, betterFs36 Hz –
Qts0.33 +14%, worse
Vas153.1 L +28%, worse
BL30.9 T·m −9%
Xmax12.2 mm −19%, worse
Sensitivity95.3 dB +1
B&C18DS100
£355.00 · 7% less, betterFs34 Hz –
Qts0.29 –
Vas155 L +30%, worse
BL30 T·m −11%, worse
Xmax14.5 mm −3%
Sensitivity95.1 dB +0.8
RCFLF18X451
£360.00 · 6% less, betterFs30 Hz −14%, better
Qts0.28 −3%
Vas220 L +84%, worse
BL30.5 T·m −10%
Xmax14 mm −7%
Sensitivity95.1 dB +0.8
Eighteen Sound18NLW4100
£371.77 · 2% lessFs31 Hz −11%, better
Qts0.34 +17%, worse
Vas180 L +51%, worse
BL29 T·m −14%, worse
Xmax15 mm –
Sensitivity93.9 dB –
Oberton18XB1600V2
£388.58 · 2% moreFs33 Hz −7%
Qts0.28 −4%
Vas267 L +124%, worse
BL29.6 T·m −12%, worse
Xmax12.5 mm −17%, worse
Sensitivity97.1 dB +2.8, better
Precision DevicesPD.1852/2
£397.00 · 4% moreFs42 Hz +20%, worse
Qts0.33 +14%, worse
Vas120.4 L –
BL30.5 T·m −10%
Xmax12 mm −20%, worse
Sensitivity96.2 dB +1.9
CelestionCF18VJD
£399.00 · 5% moreFs35 Hz –
Qts0.31 +7%
Vas145.8 L +22%, worse
BL32.6 T·m −4%
Xmax12 mm −20%, worse
Sensitivity94.6 dB –
RCFLN19S400
£416.98 · 9% more, worseFs32 Hz −9%
Qts0.26 −10%, better
Vas204 L +71%, worse
BL32 T·m −5%
Xmax17 mm +13%, better
Sensitivity96 dB +1.7
FaitalPRO18XL2000
£420.00 · 10% more, worseFs28 Hz −20%, better
Qts0.27 −7%
Vas232.1 L +95%, worse
BL30.8 T·m −9%
Xmax16.3 mm +9%
Sensitivity94.6 dB –
B&C18SW115
£430.38 · 13% more, worseFs32 Hz −9%
Qts0.30 +3%
Vas187 L +57%, worse
BL30.3 T·m −10%, worse
Xmax14 mm −7%
Sensitivity94.9 dB +0.6
Eighteen Sound18NLW4500
£468.89 · 23% more, worseFs35 Hz –
Qts0.33 +14%, worse
Vas151 L +27%, worse
BL30.3 T·m −10%, worse
Xmax15.3 mm –
Sensitivity94.8 dB +0.5
FaitalPRO18XL1700
£469.00 · 23% more, worseFs28 Hz −20%, better
Qts0.28 −3%
Vas227 L +90%, worse
BL30.5 T·m −10%
Xmax16.2 mm +8%
Sensitivity94.4 dB –
Eighteen Sound18NLW9601
£543.41 · 43% more, worseFs39 Hz +11%, worse
Qts0.28 −3%
Vas120 L –
BL31 T·m −8%
Xmax14 mm −7%
Sensitivity95.8 dB +1.5
Eighteen Sound18NLW9000
£550.00 · 44% more, worseFs34 Hz –
Qts0.31 +7%
Vas206 L +73%, worse
BL28 T·m −17%, worse
Xmax14 mm −7%
Sensitivity96.1 dB +1.8
Eighteen Sound18NTLW5000
£550.00 · 44% more, worseFs32 Hz −9%
Qts0.32 +10%, worse
Vas176 L +48%, worse
BL31.3 T·m −7%
Xmax17.5 mm +17%, better
Sensitivity94.5 dB –
Oberton18NXB1601
No current priceFs35 Hz –
Qts0.29 –
Vas146.2 L +23%, worse
BL30.5 T·m −10%
Xmax12.5 mm −17%, worse
Sensitivity95.1 dB +0.8
VAS Audio18-1700FC
No current priceFs33 Hz −6%
Qts0.29 –
Vas181 L +52%, worse
BL33 T·m –
Xmax13.5 mm −10%, worse
Sensitivity95.4 dB +1.1
VAS Audio18-1700NC
No current priceFs32 Hz −9%
Qts0.28 −3%
Vas178 L +49%, worse
BL34.4 T·m –
Xmax13.5 mm −10%, worse
Sensitivity95.1 dB +0.8
Eighteen Sound18LW2500
No current priceFs34 Hz –
Qts0.33 +14%, worse
Vas135 L +13%, worse
BL30 T·m −11%, worse
Xmax15 mm –
Sensitivity94 dB –
Eighteen Sound18NLW4000
No current priceFs34 Hz –
Qts0.33 +14%, worse
Vas135 L +13%, worse
BL30 T·m −11%, worse
Xmax15 mm –
Sensitivity94 dB –
Precision DevicesPD.185NR1
No current priceFs34 Hz –
Qts0.27 −7%
Vas102 L −15%, better
BL29.5 T·m −13%, worse
Xmax11.8 mm −22%, worse
Sensitivity93.4 dB −0.9
Eighteen Sound18NLW9601C
No current priceFs38 Hz +9%
Qts0.34 +17%, worse
Vas99 L −17%, better
BL31.7 T·m −6%
Xmax14 mm −7%
Sensitivity93.8 dB −0.5
Oberton18NXB1600
No current priceFs32 Hz −8%
Qts0.30 +4%
Vas173.1 L +45%, worse
BL29.6 T·m −12%, worse
Xmax13.5 mm −10%, worse
Sensitivity94.5 dB –
Oberton18NXB1200
No current priceFs36 Hz –
Qts0.28 –
Vas159.6 L +34%, worse
BL29.4 T·m −13%, worse
Xmax11.5 mm −23%, worse
Sensitivity96 dB +1.7
Precision DevicesPD.184NR1
No current priceFs38 Hz +9%
Qts0.27 −7%
Vas102 L −15%, better
BL29.5 T·m −13%, worse
Xmax8.5 mm −43%, worse
Sensitivity94.9 dB +0.6
No photo
FaneIMPERIUM 18NDXL
No current priceFs33 Hz −6%
Qts0.29 –
Vas203 L +70%, worse
BL29.4 T·m −13%, worse
Xmax12 mm −20%, worse
Sensitivity95.9 dB +1.6
Eighteen Sound18ID
No current priceFs40 Hz +14%, worse
Qts0.26 −10%, better
Vas67 L −44%, better
BL24 T·m −29%, worse
Xmax15.5 mm +3%
Sensitivity94 dB –
No photo
Precision DevicesPD.1845-1N
No current priceFs34 Hz –
Qts0.32 +12%, worse
Vas179.0 L +50%, worse
BL26.4 T·m −22%, worse
Xmax16 mm +7%
Sensitivity95.3 dB +1
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 Business | £409.00, the lowest price | Stock not listed | Visit shop at Lean Business | |
Lean Audio | £385.00 | Out of stock | Visit shop at Lean Audio | |
Parts Express Import VAT and duty may apply | £448.08 | 9.6% above the lowest price | 4 in stock | Visit shop at Parts Express |
Best price over time
Tracked since 1 Apr