GRS18PT-8
£64.33Fs23 Hz −36%, better
Qts0.54 −11%, better
Vas475.7 L +406%, worse
BL19.5 T·m –
Xmax7.8 mm −44%, worse
Sensitivity92 dB +2, better
18-inch LF driver · 100 mm voice coil · 1,000 W
CIARE 18.00SW 4Ω
20–200 Hz
No price for delivery to the UK
- Fs
- 36Hz
- Xmax
- 14mm
- SPL
- 90dB
- Pe
- 1000W
- BL
- 20T·m
- Vd
- 1588cm³
- Qts
- 0.61
- Vas
- 94L
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 2 traces
These plotted lines are Bits digitizations of manufacturer evidence, not new measurements. How provenance works
- Trace datasheet-response-trace-poc/v1
frequency response
Frequency response
240 plotted pointsMedium confidence1,647 selected pixels of 2,073 - Trace datasheet-response-trace-poc/v1
free air impedance
Impedance response
240 plotted pointsMedium confidence1,950 selected pixels of 1,950
CIARE 18.00SW is an 18-inch 4 ohm LF driver rated at 1000 W RMS. The validated T/S data includes Fs 36 Hz, Qts 0.61, Vas 94 L, Xmax 14 mm, sensitivity 90 dB, plus 1588 cm³ Vd and 51 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
- 0.61
- Qes
- 0.70
- Qms
- 6.6
- Vas
- 94L
- Re
- 3.3Ω
- Le
- 2.70mH
Motor and cone
- BL
- 20T·m
- Sd
- 1134cm²
- Mms
- 375g
- Xmax
- 14mm
- Vd †
- 1588cm³
- Voice coil
- 100mm
Power and response
- Sensitivity †
- 90dB
- Manufacturer sensitivity
- 94dB
- Power
- 1000W
- Nominal power
- 1000W
- Impedance
- 4Ω
- Range
- 20–200Hz
- EBP †
- 51 · Sealed or vented
Size and mounting
- Diameter
- 460mm
- Cutout
- 416mm
- Bolt circle
- 440mm
- Depth
- 210mm
- Weight
- 15.7kg
Other published values
- Power Program
- 2000
Sensitivity shows 90.0 dB, calculated from the T/S values. CIARE publishes 94.0 dB, 4.0 dB apart.
† Calculated by bits from the published values
What this validation status means
Everything else CIARE lists
LF · Primary · 18″
- BL
- 20T·m
- Fs
- 36Hz
- Le
- 2.70mH
- Re
- 3.3Ω
- Sd
- 1134cm²
- Mms
- 375g
- Qes
- 0.70
- Qms
- 6.6
- Qts
- 0.61
- SPL
- 90dB
- Vas
- 94L
- Xmax
- 14mm
- Power
- 1000W
- Impedance
- 4Ω
- Sensitivity
- 94dB
- Low limit
- 20Hz
- Nominal power
- 1000W
- Power Program
- 2000
- Calculated sensitivity †
- 90dB
- High limit
- 200Hz
- Manufacturer sensitivity
- 94dB
- Voice coil
- 100mm
- Weight
- 15.7kg
- Diameter
- 460mm
- Depth
- 210mm
- Cutout
- 416mm
- Bolt circle
- 440mm
02
Compare
Same-size drivers, compared with the 18.00SW. Clear differences are green when better and red when worse.
This driver18.00SW
Best price
–
Fs
36 Hz
Qts
0.61
Vas
94 L
BL
20 T·m
Xmax
14 mm
Sensitivity
90 dB
Power
1000 W
SB AudienceBIANCO-18SW500
£151.79Fs30 Hz −17%, better
Qts0.52 −15%, better
Vas334.8 L +256%, worse
BL19.8 T·m –
Xmax9.2 mm −34%, worse
Sensitivity94.3 dB +4.3, better
Precision DevicesPD.186/3
£259.00Fs34 Hz −5%
Qts0.52 −15%, better
Vas192.2 L +104%, worse
BL22.2 T·m +11%, better
Xmax10.5 mm −25%, worse
Sensitivity93.5 dB +3.5, better
BishopSoundBWP18/4
£269.00Fs42 Hz +17%, worse
Qts0.69 +13%, worse
Vas110.1 L +17%, worse
BL18.8 T·m −6%
Xmax12 mm −14%, worse
Sensitivity92.6 dB +2.6, better
PRV Audio18SW2400
£293.02Fs36 Hz –
Qts0.56 −8%
Vas192.8 L +105%, worse
BL22.5 T·m +13%, better
Xmax12.5 mm −11%, worse
Sensitivity94 dB +4, better
Dayton AudioUMII18-22
£376.75Fs22 Hz −39%, better
Qts0.53 −13%, better
Vas248.2 L +164%, worse
BL19.2 T·m −4%
Xmax28 mm +100%, better
Sensitivity88 dB −2, worse
Eighteen Sound18NLW9601
£543.41Fs38 Hz +6%
Qts0.28 −54%, better
Vas111 L +18%, worse
BL25 T·m +25%, better
Xmax14 mm –
Sensitivity95.3 dB +5.3, better
BishopSoundBWP18/8/V2
No current priceFs43 Hz +19%, worse
Qts0.64 +6%
Vas120.9 L +29%, worse
BL24.1 T·m +21%, better
Xmax12 mm −14%, worse
Sensitivity93.5 dB +3.5, better
PeerlessFSL-1830R09-08
No current priceFs33 Hz −8%
Qts0.58 −5%
Vas220 L +134%, worse
BL21.1 T·m +6%
Xmax15.9 mm +14%, better
Sensitivity93.2 dB +3.2, better
P.AudioEX18-1000S
No current priceFs38 Hz +6%
Qts0.61 –
Vas190.6 L +103%, worse
BL20.1 T·m –
Xmax5.3 mm −63%, worse
Sensitivity94.1 dB +4.1, better
CIARECSD184-22
No current priceFs37 Hz –
Qts0.53 −13%, better
Vas141 L +50%, worse
BL18.5 T·m −7%
Xmax13 mm −7%
Sensitivity92.9 dB +2.9, better
P.AudioGST-181500-V3
No current priceFs40 Hz +11%, worse
Qts0.60 –
Vas92.2 L –
BL26.8 T·m +34%, better
Xmax9 mm −36%, worse
Sensitivity91.7 dB +1.7
P.AudioP180/2243
No current priceFs35 Hz –
Qts0.59 −3%
Vas159.1 L +69%, worse
BL20.1 T·m –
Xmax8.5 mm −39%, worse
Sensitivity92.2 dB +2.2, better
P.AudioP180/2242-V3
No current priceFs46 Hz +28%, worse
Qts0.68 +11%, worse
Vas131.4 L +40%, worse
BL20.2 T·m –
Xmax6.8 mm −51%, worse
Sensitivity94.4 dB +4.4, better
P.AudioSD18-1700EL
No current priceFs45 Hz +25%, worse
Qts0.59 −3%
Vas99.7 L +6%
BL25.9 T·m +30%, better
Xmax4.8 mm −65%, worse
Sensitivity93.6 dB +3.6, better
P.AudioC18-650EL-V4
No current priceFs35 Hz –
Qts0.68 +11%, worse
Vas127.0 L +35%, worse
BL22.1 T·m +11%, better
Xmax7 mm −50%, worse
Sensitivity90.9 dB +0.9
Eighteen Sound18LW2500
No current priceFs35 Hz –
Qts0.44 −28%, better
Vas135 L +44%, worse
BL20 T·m –
Xmax14 mm –
Sensitivity93.1 dB +3.1, better
Acoustic EleganceIB18AU-8
No current priceFs28 Hz −21%, better
Qts0.59 −3%
Vas389.8 L +315%, worse
BL16 T·m −20%, worse
Xmax18 mm +29%, better
Sensitivity93.3 dB +3.3, better
P.AudioC18-1000-V3
No current priceFs41 Hz +14%, worse
Qts0.72 +18%, worse
Vas117.6 L +25%, worse
BL22.9 T·m +14%, better
Xmax5.3 mm −63%, worse
Sensitivity92.3 dB +2.3, better
BishopSoundBDP18/8
No current priceFs40 Hz +10%, worse
Qts0.56 −8%
Vas178.1 L +89%, worse
BL23.0 T·m +15%, better
Xmax11.3 mm −19%, worse
Sensitivity94.8 dB +4.8, better
FaneIMPERIUM 18XL
No current priceFs36 Hz –
Qts0.53 −13%, better
Vas205 L +118%, worse
BL20.4 T·m –
Xmax10.5 mm −25%, worse
Sensitivity94.4 dB +4.4, better
Acoustic EleganceIB18HT-8
No current priceFs18 Hz −49%, better
Qts0.57 −7%
Vas632.1 L +572%, worse
BL16 T·m −20%, worse
Xmax18 mm +29%, better
Sensitivity90 dB –
Eighteen Sound18NLW9601C
No current priceFs38 Hz +6%
Qts0.34 −44%, better
Vas99 L +5%
BL31.7 T·m +59%, better
Xmax14 mm –
Sensitivity93.8 dB +3.8, better
P.AudioIMF
No current priceFs33 Hz −8%
Qts0.50 −18%, better
Vas240.1 L +155%, worse
BL20.2 T·m –
Xmax7.5 mm −46%, worse
Sensitivity93.7 dB +3.7, better
P.AudioC18-1000-V4
No current priceFs35 Hz –
Qts0.56 −9%
Vas183.7 L +95%, worse
BL22.5 T·m +13%, better
Xmax9.5 mm −32%, worse
Sensitivity93.4 dB +3.4, better
Acoustic EleganceIB18AU-4
No current priceFs28 Hz −21%, better
Qts0.60 –
Vas389.8 L +315%, worse
BL11.3 T·m −43%, worse
Xmax18 mm +29%, better
Sensitivity93.3 dB +3.3, better
BishopSoundBSP18
No current priceFs48 Hz +33%, worse
Qts0.81 +33%, worse
Vas125.9 L +34%, worse
BL21.0 T·m +5%
Xmax8 mm −43%, worse
Sensitivity94.2 dB +4.2, better
P.AudioGST-181200-V3
No current priceFs35 Hz –
Qts0.54 −11%, better
Vas180.2 L +92%, worse
BL22.8 T·m +14%, better
Xmax6 mm −57%, worse
Sensitivity93.3 dB +3.3, better
P.AudioC18-650EL-V3
No current priceFs41 Hz +14%, worse
Qts0.52 −15%, better
Vas179.1 L +91%, worse
BL21.5 T·m +7%
Xmax5.3 mm −63%, worse
Sensitivity95.5 dB +5.5, better
P.AudioC18-1200
No current priceFs38 Hz +6%
Qts0.55 −10%
Vas136.4 L +45%, worse
BL25.1 T·m +26%, better
Xmax9.5 mm −32%, worse
Sensitivity93.2 dB +3.2, better
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 | £304.00 | Back order | Visit shop at Lean Audio |