REDCATT182FIND
£201.58Fs31 Hz −6%
Qts0.23 +5%
Vas208.6 L +67%, worse
BL35.4 T·m −12%, worse
Xmax5.8 mm −76%, worse
Sensitivity96.2 dB +1.3
18-inch LF driver · 18RS series · 116 mm voice coil · 2,000 W
B&C 18RS115 8Ω
8 Ω · 35–1000 Hz
No price for delivery to the UK
- Fs
- 33Hz
- Xmax
- 23.5mm
- SPL
- 95dB
- Pe
- 2000W
- BL
- 40T·m
- Vd
- 2844cm³
- Qts
- 0.22
- Vas
- 125L
Published graphs
B&C 18RS115 is an 18-inch 8 ohm LF driver rated at 2000 W RMS. The validated T/S data includes Fs 33 Hz, Qts 0.22, Vas 125 L, Xmax 23.5 mm, sensitivity 94.9 dB, plus 2844 cm³ Vd and 143 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
- 33Hz
- Qts
- 0.22
- Qes
- 0.23
- Qms
- 9
- Vas
- 125L
- Re
- 4.5Ω
- Le
- 5.10mH
Motor and cone
- BL
- 40T·m
- Sd
- 1210cm²
- Mms
- 391g
- Xmax
- 23.5mm
- Vd †
- 2844cm³
- Voice coil
- 116mm
- Flux density
- 0.90T
Power and response
- Sensitivity †
- 94.9dB
- Manufacturer sensitivity
- 97.4dB
- Power
- 2000W
- Nominal power
- 2000W
- Impedance
- 8Ω
- Min. impedance
- 6.6Ω
- Range
- 35–1000Hz
- EBP †
- 143 · Leans vented
Size and mounting
- Diameter
- 460mm
- Cutout
- 425mm
- Bolt circle
- 443mm
- Depth
- 261mm
- Weight
- 15.4kg
Sensitivity shows 94.9 dB, calculated from the T/S values. B&C publishes 97.4 dB, 2.5 dB apart.
† Calculated by bits from the published values
What this validation status means
Everything else B&C lists
LF
- BL
- 40T·m
- Fs
- 33Hz
- Le
- 5.10mH
- Re
- 4.5Ω
- Sd
- 1210cm²
- Mms
- 391g
- Qes
- 0.23
- Qms
- 9
- Qts
- 0.22
- SPL
- 94.9dB
- Vas
- 125L
- Xmax
- 23.5mm
- Power
- 2000W
- Impedance
- 8Ω
- Flux density
- 0.90T
- Sensitivity
- 97.4dB
- Low limit
- 35Hz
- Nominal power
- 2000W
- Calculated sensitivity †
- 94.9dB
- High limit
- 1000Hz
- Manufacturer sensitivity
- 97.4dB
- Min. impedance
- 6.6Ω
- Voice coil
- 116mm
- Weight
- 15.4kg
- Diameter
- 460mm
- Depth
- 261mm
- Cutout
- 425mm
- Bolt circle
- 443mm
- Bl
- 40 Tm
- Fs
- 33 Hz
- Le
- 5.1 mH
- Re
- 4.5 Ω
- Sd
- 1210 cm² (187.55 in²)
- Ebp
- 143 Hz
- Mms
- 391 g
- Qes
- 0.23
- Qms
- 9
- Qts
- 0.22
- Vas
- 125 dm³ (4.41 ft³)
- Η0
- 1.95 %
- Xmax
- 23.5 mm
- Xvar
- 19 mm
- Depth
- 261 mm (10.28 in)
- Spider
- Double Silicone
- Cone shape
- Straight
- Net weight
- 15.4 kg (33.95 lb)
- Pole design
- T-Pole
- Sensitivity
- 97.4 dB
- Flux density
- 0.9 T
- Winding depth
- 54 mm (2.13 in)
- Surround shape
- Triple Roll
- Former material
- Glass Fibre
- Frequency range
- 35 Hz - 1000 Hz
- Magnet material
- Neodymium Inside Slug
- Nominal diameter
- 460 mm (18 in)
- Overall diameter
- 460 mm (18 in)
- Winding material
- Aluminium
- Minimum impedance
- 6.6 Ω
- Nominal impedance
- 8 Ω
- Magnetic gap depth
- 14 mm (0.55 in)
- Voice coil diameter
- 116 mm (4.5 in)
- Bolt circle diameter
- 443 mm (17.44 in)
- Woofer cone treatment
- TWP Waterproof Both Sides
- Baffle cutout diameter
- 425 mm (16.73 in)
- Nominal power handling
- 2000 W
- Continuous power handling
- 4000 W
- Flange and gasket thickness
- 16 mm (0.63 in)
- Air volume occupied by driver
- 10 dm³ (0.35 ft³)
02
Designs
Plans from builders
Links to published plans that name this driver
Fits magnet-in-horn, or with a 30 mm spacer ring, the designer says
03
Compare
Same-size drivers, compared with the 18RS115. Clear differences are green when better and red when worse.
This driver18RS115
Best price
–
Fs
33 Hz
Qts
0.22
Vas
125 L
BL
40 T·m
Xmax
23.5 mm
Sensitivity
94.9 dB
Power
2000 W
B&C18PZB100
£232.07Fs30 Hz −9%
Qts0.24 +9%
Vas297 L +138%, worse
BL26 T·m −35%, worse
Xmax8 mm −66%, worse
Sensitivity97.1 dB +2.2, better
Eighteen Sound18W1001
£254.65Fs35 Hz +6%
Qts0.23 +5%
Vas268 L +114%, worse
BL27.6 T·m −31%, worse
Xmax7 mm −70%, worse
Sensitivity98.8 dB +3.9, better
Beyma18QLEX1600FE
£299.00Fs30 Hz −9%
Qts0.23 +5%
Vas195 L +56%, worse
BL36.4 T·m −9%
Xmax13 mm −45%, worse
Sensitivity95.4 dB +0.5
Precision DevicesPD.185C003
£366.00Fs33 Hz –
Qts0.24 +9%
Vas224 L +79%, worse
BL31.5 T·m −21%, worse
Xmax11 mm −53%, worse
Sensitivity97.5 dB +2.6, better
RCFLF18N451
£375.00Fs31 Hz −6%
Qts0.24 +9%
Vas245 L +96%, worse
BL30.2 T·m −25%, worse
Xmax9 mm −62%, worse
Sensitivity96.7 dB +1.8
CelestionTSQ1845
£385.36Fs35 Hz +6%
Qts0.29 +32%, worse
Vas119.3 L −5%
BL33.8 T·m −16%, worse
Xmax15 mm −36%, worse
Sensitivity94.3 dB −0.6
Precision DevicesPD.1852/2
£399.00Fs42 Hz +27%, worse
Qts0.33 +50%, worse
Vas120.4 L −4%
BL30.5 T·m −24%, worse
Xmax12 mm −49%, worse
Sensitivity96.2 dB +1.3
CelestionCF18VJD
£399.00Fs35 Hz +5%
Qts0.31 +40%, worse
Vas145.8 L +17%, worse
BL32.6 T·m −19%, worse
Xmax12 mm −49%, worse
Sensitivity94.6 dB –
RCFLN19S400
£421.78Fs32 Hz −3%
Qts0.26 +18%, worse
Vas204 L +63%, worse
BL32 T·m −20%, worse
Xmax17 mm −28%, worse
Sensitivity96 dB +1.1
B&C18DS115
£431.10Fs30 Hz −9%
Qts0.20 −9%
Vas168 L +34%, worse
BL39 T·m –
Xmax16.5 mm −30%, worse
Sensitivity95.4 dB +0.5
MonacorCF18VJD/8
£448.03Fs35 Hz +5%
Qts0.31 +40%, worse
Vas145.8 L +17%, worse
BL32.6 T·m −19%, worse
Xmax12 mm −49%, worse
Sensitivity94.6 dB –
Eighteen Sound18NLS4000
£486.84Fs27 Hz −18%, better
Qts0.35 +59%, worse
Vas168 L +34%, worse
BL24.2 T·m −40%, worse
Xmax22.3 mm −5%
Sensitivity91.7 dB −3.2, worse
Eighteen Sound18NLW9601
£549.67Fs39 Hz +18%, worse
Qts0.28 +27%, worse
Vas120 L −4%
BL31 T·m −23%, worse
Xmax14 mm −40%, worse
Sensitivity95.8 dB +0.9
REDCATT181XR
£550.48Fs30 Hz −9%
Qts0.23 +5%
Vas195 L +56%, worse
BL28.3 T·m −29%, worse
Xmax17 mm −28%, worse
Sensitivity95.4 dB +0.5
Eighteen Sound18ID200
£723.22Fs29 Hz −12%, better
Qts0.17 −23%, better
Vas136 L +9%
BL24.4 T·m −39%, worse
Xmax18 mm −23%, worse
Sensitivity94.7 dB –
B&C19RS115
No current priceFs29 Hz −12%, better
Qts0.20 −9%
Vas197 L +58%, worse
BL42 T·m +5%
Xmax23.5 mm –
Sensitivity95.6 dB +0.7
LavoceSAF185.00
No current priceFs34 Hz +3%
Qts0.23 +5%
Vas164.3 L +31%, worse
BL37.5 T·m −6%
Xmax11.6 mm −51%, worse
Sensitivity96.3 dB +1.4
Oberton18XB1500V2
No current priceFs36 Hz +8%
Qts0.23 –
Vas192.5 L +54%, worse
BL31.6 T·m −21%, worse
Xmax11 mm −53%, worse
Sensitivity97.9 dB +3, better
Radian Audio2218NEO-8
No current priceFs30 Hz −9%
Qts0.23 +5%
Vas312 L +150%, worse
BL33 T·m −18%, worse
Xmax9 mm −62%, worse
Sensitivity97.3 dB +2.4, better
Precision DevicesPD.1850/3
No current priceFs33 Hz –
Qts0.24 +9%
Vas203.8 L +63%, worse
BL31.0 T·m −23%, worse
Xmax11.1 mm −53%, worse
Sensitivity96.9 dB +2, better
Eighteen Sound18IDSDS
No current priceFs29 Hz −12%, better
Qts0.17 −23%, better
Vas136 L +9%
BL24.4 T·m −39%, worse
Xmax18 mm −23%, worse
Sensitivity94.7 dB –
CIAREPW455
No current priceFs36 Hz +9%
Qts0.24 +9%
Vas274 L +119%, worse
BL26.2 T·m −35%, worse
Xmax7.5 mm −68%, worse
Sensitivity99.3 dB +4.4, better
BishopSoundBDP18/4
No current priceFs35 Hz +6%
Qts0.24 +9%
Vas297.5 L +138%, worse
BL2.5 T·m −94%, worse
Xmax11.3 mm −52%, worse
Sensitivity99.1 dB +4.2, better
Oberton18NSW700
No current priceFs30 Hz −8%
Qts0.24 +10%, worse
Vas309.0 L +147%, worse
BL26.6 T·m −33%, worse
Xmax14 mm −40%, worse
Sensitivity97.5 dB +2.6, better
Precision DevicesPD.185NR1
No current priceFs34 Hz +3%
Qts0.27 +23%, worse
Vas102 L −18%, better
BL29.5 T·m −26%, worse
Xmax11.8 mm −50%, worse
Sensitivity93.4 dB −1.5
Precision DevicesPD.184NR1
No current priceFs38 Hz +15%, worse
Qts0.27 +23%, worse
Vas102 L −18%, better
BL29.5 T·m −26%, worse
Xmax8.5 mm −64%, worse
Sensitivity94.9 dB –
Oberton18NXB1601
No current priceFs35 Hz +5%
Qts0.29 +30%, worse
Vas146.2 L +17%, worse
BL30.5 T·m −24%, worse
Xmax12.5 mm −47%, worse
Sensitivity95.1 dB –
VAS Audio18-1700NC
No current priceFs32 Hz −3%
Qts0.28 +27%, worse
Vas178 L +42%, worse
BL34.4 T·m −14%, worse
Xmax13.5 mm −43%, worse
Sensitivity95.1 dB –
Eighteen Sound18W2001
No current priceFs37 Hz +12%, worse
Qts0.25 +14%, worse
Vas230 L +84%, worse
BL27.1 T·m −32%, worse
Xmax7 mm −70%, worse
Sensitivity98.5 dB +3.6, 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 |
|---|---|---|---|---|
Thomann usually 2-5 days | £517.00 | Out of stock | Visit shop at Thomann |