B&C18PZW100
£226.00 · Same priceFs37 Hz –
Qts0.36 –
Vas186 L +36%, worse
BL25.5 T·m −17%, worse
Xmax8 mm −36%, worse
Sensitivity96 dB +1.7
18-inch LF driver · SAF184 series · 115 mm voice coil · 1,800 W
Lavoce SAF184.50 8Ω
8 Ω · 30–1000 Hz
£248.84
SteadyBlue Aran · 3 in stock · All 4 offers
- Fs
- 36Hz
- Xmax
- 12.5mm
- SPL
- 94dB
- Pe
- 1800W
- BL
- 30.9T·m
- Vd
- 1525cm³
- Qts
- 0.36
- Vas
- 137L
Lavoce SAF184.50 is an 18-inch 8 ohm LF driver rated at 1800 W RMS. The validated T/S data includes Fs 36 Hz, Qts 0.36, Vas 136.9 L, Xmax 12.5 mm, sensitivity 94.3 dB, plus 1525 cm³ Vd and 95 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 £226.80.
The published T/S values agree with each other
Thiele/Small
- Fs
- 36Hz
- Qts
- 0.36
- Qes
- 0.38
- Qms
- 5.6
- Vas
- 136.9L
- Re
- 5.4Ω
- Le
- 2.50mH
Motor and cone
- BL
- 30.9T·m
- Sd
- 1220cm²
- Mms
- 300g
- Xmax
- 12.5mm
- Vd †
- 1525cm³
- Voice coil
- 115mm
Power and response
- Sensitivity †
- 94.3dB
- Manufacturer sensitivity
- 96dB
- Power
- 1800W
- Impedance
- 8Ω
- Min. impedance
- 7Ω
- Range
- 30–1000Hz
- EBP †
- 95 · Sealed or vented
Size and mounting
- Weight
- 16.8kg
Other published values
- Cms
- 0.065mm/N
- Xmech
- 21.8
- Power Program
- 3600
Sensitivity shows 94.3 dB, calculated from the T/S values. Lavoce publishes 96.0 dB, 1.7 dB apart.
† Calculated by bits from the published values
What this validation status means
Everything else Lavoce lists
LF · Primary · 18″
- BL
- 30.9T·m
- Fs
- 36Hz
- Le
- 2.50mH
- Re
- 5.4Ω
- Sd
- 1220cm²
- Cms
- 0.065mm/N
- Mms
- 300g
- Qes
- 0.38
- Qms
- 5.6
- Qts
- 0.36
- SPL
- 94.3dB
- Vas
- 136.9L
- Xmax
- 12.5mm
- Xmech
- 21.8
- Power
- 1800W
- Impedance
- 8Ω
- Sensitivity
- 96dB
- Low limit
- 30Hz
- Power Program
- 3600
- Calculated sensitivity †
- 94.3dB
- High limit
- 1000Hz
- Manufacturer sensitivity
- 96dB
- Min. impedance
- 7Ω
- Voice coil
- 115mm
- Weight
- 16.8kg
02
Compare
Same-size drivers, compared with the SAF184.50. Clear differences are green when better and red when worse.
This driverSAF184.50
Best price
£226.80
Fs
36 Hz
Qts
0.36
Vas
136.9 L
BL
30.9 T·m
Xmax
12.5 mm
Sensitivity
94.3 dB
Power
1800 W
PRV Audio18SW3600
£238.76 · 5% more, worseFs33 Hz −10%
Qts0.36 –
Vas279.7 L +104%, worse
BL25.5 T·m −17%, worse
Xmax13.3 mm +6%
Sensitivity96.1 dB +1.8
CelestionCF1840JD
£239.00 · 5% more, worseFs37 Hz –
Qts0.40 +10%, worse
Vas155 L +13%, worse
BL24.8 T·m −20%, worse
Xmax12.5 mm –
Sensitivity94.6 dB –
FaitalPRO18HP1060
£245.81 · 8% more, worseFs35 Hz –
Qts0.37 –
Vas200.3 L +46%, worse
BL24.8 T·m −20%, worse
Xmax12.4 mm –
Sensitivity95.6 dB +1.3
Beyma18PWB1000FE
£255.00 · 12% more, worseFs27 Hz −25%, better
Qts0.38 +6%
Vas317 L +132%, worse
BL25 T·m −19%, worse
Xmax12.5 mm –
Sensitivity94 dB –
B&C18TBW100
£265.99 · 17% more, worseFs35 Hz –
Qts0.39 +8%
Vas175 L +28%, worse
BL26.4 T·m −15%, worse
Xmax12 mm −4%
Sensitivity94.7 dB –
FaitalPRO18HP1030
£269.00 · 19% more, worseFs35 Hz –
Qts0.41 +14%, worse
Vas185.5 L +35%, worse
BL24.3 T·m −21%, worse
Xmax12.4 mm –
Sensitivity94.7 dB –
Beyma18LEX1600FE
£277.00 · 22% more, worseFs34 Hz −6%
Qts0.38 +6%
Vas188 L +37%, worse
BL26.9 T·m −13%, worse
Xmax13 mm +4%
Sensitivity94.7 dB –
MonacorCF1840JD/4
£282.66 · 25% more, worseFs37 Hz –
Qts0.40 +10%, worse
Vas155 L +13%, worse
BL24.8 T·m −20%, worse
Xmax12.5 mm –
Sensitivity94.6 dB –
Oberton18XB1301DS
£322.78 · 42% more, worseFs36 Hz –
Qts0.30 −16%, better
Vas172.9 L +26%, worse
BL26.9 T·m −13%, worse
Xmax12 mm −4%
Sensitivity96 dB +1.7
FaitalPRO18HW1070
£325.00 · 43% more, worseFs32 Hz −11%, better
Qts0.38 +6%
Vas195.9 L +43%, worse
BL27 T·m −13%, worse
Xmax13 mm +4%
Sensitivity94.2 dB –
B&C18SW100
£329.36 · 45% more, worseFs35 Hz –
Qts0.38 +6%
Vas180 L +31%, worse
BL26.1 T·m −16%, worse
Xmax12.5 mm –
Sensitivity94.9 dB +0.6
SB AudienceNERO-18SW1100D
£333.49 · 47% more, worseFs36 Hz –
Qts0.33 −8%
Vas153.1 L +12%, worse
BL30.9 T·m –
Xmax12.2 mm –
Sensitivity95.3 dB +1
Eighteen Sound18TLW3000
£336.03 · 48% more, worseFs33 Hz −8%
Qts0.41 +14%, worse
Vas185 L +35%, worse
BL24.5 T·m −21%, worse
Xmax12 mm −4%
Sensitivity94 dB –
Eighteen Sound18NLW4100
£370.22 · 63% more, worseFs31 Hz −14%, better
Qts0.34 −6%
Vas180 L +31%, worse
BL29 T·m −6%
Xmax15 mm +20%, better
Sensitivity93.9 dB –
Precision DevicesPD.1852/2
£395.00 · 74% more, worseFs42 Hz +16%, worse
Qts0.33 −8%
Vas120.4 L −12%, better
BL30.5 T·m –
Xmax12 mm −4%
Sensitivity96.2 dB +1.9
CelestionCF18VJD
£399.00 · 76% more, worseFs35 Hz −4%
Qts0.31 −14%, better
Vas145.8 L +6%
BL32.6 T·m +5%
Xmax12 mm −4%
Sensitivity94.6 dB –
FaitalPRO18XL1600
£399.95 · 76% more, worseFs32 Hz −11%, better
Qts0.36 –
Vas211.4 L +54%, worse
BL26.7 T·m −14%, worse
Xmax12.9 mm +3%
Sensitivity94.8 dB +0.5
No photo
Precision DevicesPD.1845-2N
£421.00 · 86% more, worseFs35 Hz –
Qts0.39 +8%
Vas157 L +15%, worse
BL27 T·m −13%, worse
Xmax18 mm +44%, better
Sensitivity94.3 dB –
B&C18SW115
£428.58 · 89% more, worseFs32 Hz −11%, better
Qts0.30 −17%, better
Vas187 L +37%, worse
BL30.3 T·m –
Xmax14 mm +12%, better
Sensitivity94.9 dB +0.6
Eighteen Sound18NLW4500
£466.94 · 106% more, worseFs35 Hz –
Qts0.33 −8%
Vas151 L +10%, worse
BL30.3 T·m –
Xmax15.3 mm +22%, better
Sensitivity94.8 dB +0.5
Eighteen Sound18NLW9601
£541.15 · 139% more, worseFs39 Hz +8%
Qts0.28 −22%, better
Vas120 L −12%, better
BL31 T·m –
Xmax14 mm +12%, better
Sensitivity95.8 dB +1.5
B&C18HTX100
£809.86 · 257% more, worseFs44 Hz +22%, worse
Qts0.32 −11%, better
Vas173 L +26%, worse
BL26.3 T·m −15%, worse
Xmax13 mm +4%
Sensitivity98.4 dB +4.1, better
Eighteen Sound18NLW9601C
No current priceFs38 Hz +6%
Qts0.34 −6%
Vas99 L −28%, better
BL31.7 T·m –
Xmax14 mm +12%, better
Sensitivity93.8 dB −0.5
Eighteen Sound18LW2500
No current priceFs34 Hz −6%
Qts0.33 −8%
Vas135 L –
BL30 T·m –
Xmax15 mm +20%, better
Sensitivity94 dB –
Eighteen Sound18NLW4000
No current priceFs34 Hz −6%
Qts0.33 −8%
Vas135 L –
BL30 T·m –
Xmax15 mm +20%, better
Sensitivity94 dB –
Oberton18NXB1601
No current priceFs35 Hz −4%
Qts0.29 −21%, better
Vas146.2 L +7%
BL30.5 T·m –
Xmax12.5 mm –
Sensitivity95.1 dB +0.8
REDCATT186FIND
No current priceFs33 Hz −8%
Qts0.35 –
Vas174.2 L +27%, worse
BL30.2 T·m –
Xmax8.4 mm −33%, worse
Sensitivity94.4 dB –
Oberton18NXB1600
No current priceFs32 Hz −10%, better
Qts0.30 −16%, better
Vas173.1 L +26%, worse
BL29.6 T·m −4%
Xmax13.5 mm +8%
Sensitivity94.5 dB –
Oberton18XB1201
No current priceFs38 Hz +6%
Qts0.32 −12%, better
Vas159.4 L +16%, worse
BL26.7 T·m −14%, worse
Xmax10.5 mm −16%, worse
Sensitivity96.3 dB +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
- Parts Express5.0 out of 52 ratings · Checked 31 Oct 2026Read reviews on Parts Express
Each shop collects its own ratings. Bits shows them as published and doesn't verify them.
| Shop | Price | Against the lowest | Stock | Link |
|---|---|---|---|---|
Blue Aran | £248.84, the lowest price | 3 in stock | Visit shop at Blue Aran | |
Parts Express Import VAT and duty may apply | £335.10 | 35% above the lowest price | 4 in stock | Visit shop at Parts Express |
Best price over time
Tracked since 1 Apr
Recent changes
- 23 JulBlue Aran£199.99 → £248.84Up 24% from £199.99
- 21 JunBlue Aran£289.36 → £199.99Down 31% from £289.36