Hornresp
.txt · Hornresp driver database
Driver file ready to place in Hornresp’s Drivers folder.
Download for HornrespBMS 18N850V2 8Ω
LF DriverMedia
Overview
LF Driver
BMS
BMS 18N850V2
BMS 18N850V2 is a 18" 8 ohm LF driver rated at 1200W RMS. The validated T/S data includes Fs 30Hz, Qts 0.33, Vas 243L, Xmax 12mm, sensitivity 94.7dB, plus 1456cm³ Vd and 85 EBP. bits tracks UK vendor pricing, price movement, datasheet links, simulator import data, and similar drivers, with a current best price of £457.13.
Size
18"
Impedance
8Ω
RMS Power
1200W
Sensitivity
94.7dB
EBP
85
Either alignment
Vd
1456cm³
T/S Parameters
Valid
Fs30Hz
Qts0.33
Qes0.35
Qms7.0
Vas243.0L
Re5.0Ω
Le0.85mH
BL25.4Tm
Sd1213cm²
Mms240g
Xmax12.0mm
SPL95dB
Power1200W
Impedance8Ω
F Low20Hz
F High200Hz
Voice Coil102mm
Pricing & availability
Price definitionsPrice movement
Best current price
Updated 11 Sept 2026
leanaudio
£457.13
inc VAT·1 in stock
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Open it in 00 Simulator, download it for your enclosure tool, or copy the specification values.
Files use canonical values. Required mechanical fields are derived only where the target format needs them.
WinISD
.wdr · WinISD driver editor
Native WinISD driver record with the required SI conversions.
Download for WinISDBASTA!
.bastaelement · BASTA! loudspeaker simulator
Native BASTA! element file using its documented SI-unit fields.
Download for BASTA!VituixCAD
.wdr · VituixCAD 2 Enclosure
A WinISD driver file that VituixCAD imports directly.
Download for VituixCAD00 Simulator
Direct import · Web app
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Open in 00 SimulatorCopy spec sheet
Plain text · Clipboard
Copy the available values as a clean label-and-value list.
Dimensions & Physical
Weight9.8kg
Diameter458.0mm
Overall Depth237.0mm
Cutout Diameter414.0mm
Bolt Circle Diameter440.0mm
Additional Manufacturer Specs
10. BasketCast Aluminum
20. Bl FactorBL 25.4 Tesla m
1. ApplicationInfra-Subwoofer
18. Moving MassMms 0.240 kg
13. Dc ResistanceRe 5 Ohm
9. Magnet Gap Depth12 mm
17. Equivalent VolumeVas 243 L
2. Nominal Impendance8 Ohm
5. Frequency Response20 – 200 Hz
6. Voice Coil Diameter101.6 (4″) mm
7. Voice Coil MaterialCu
12. Resonance FrequencyFs 29.8 Hz
14. Mechanical Q FactorQms 7
15. Electrical Q FactorQes 0.35
16. Total Quality FactorQts 0.33
19. Mechanical ComplienceCms 0.120 mm / N
21. Effective Piston AreaSd 0.1213 m²
22. Max. Linear ExcursionXmax +/- 12 mm
23. Voice Coil InductanceLe1k 0.85 mH
4. Sensitivity (1 W / 1 M)95 dB
3. Power Handling Aes Noise1200 W
8. Voice Coil Winding Depth36 mm
11. Effect. Diaphragm Diameter D393 mm
Similar Drivers
Size stays fixed. Tune the T/S ranges to change what counts as a match, or add a specific driver to compare it directly.
Reference
BMS
18N850V2
18"
Best current price
£457.13
Compare on
Matches sit inside every range. Size stays fixed automatically.
5 active T/S params, plus size. Pin a driver to open a side-by-side comparison.
12 matches
Compare a specific driver
Added drivers stay at the front of the list, whatever the ranges say.
67%
Similarity
53% cheaper£215.75
RCF
LF18G401
18"
Lower price
Xmax9mm-25%
Qts0.29-12%
BL24.6Tm-3%
Vas268L+10%
Qes0.3-14%
76%
Similarity
51% cheaper£225.00
Beyma
18LEX1000FE
18"
Lower price
Xmax11mm-8%
Qts0.38+15%
BL23.8Tm-6%
Vas250L+3%
Qes0.39+11%
72%
Similarity
51% cheaper£225.00
Beyma
18LEX1200FE
18"
Lower price
Xmax11mm-8%
Qts0.38+15%
BL23.2Tm-9%
Vas277L+14%
Qes0.39+11%
60%
Similarity
50% cheaper£230.00
Celestion
ERPROX18
18"
Lower price
Xmax9.5mm-21%
Qts0.38+15%
BL24.4Tm-4%
Vas188.9L-22%
Qes0.43+23%
80%
Similarity
48% cheaper£236.62
PRV Audio
18SW3600
18"
Lower price
Xmax13.3mm+10%
Qts0.36+9%
BL25.5Tm+1%
Vas279.7L+15%
Qes0.38+9%
76%
Similarity
48% cheaper£238.99
B&C
18TBX100
18"
Lower price
Xmax9mm-25%
Qts0.35+6%
BL25.5Tm0%
Vas212L-13%
Qes0.37+6%
72%
Similarity
48% cheaper£238.99
B&C
18TBX100
18"
Lower price
Xmax9mm-25%
Qts0.31-6%
BL22Tm-13%
Vas256L+5%
Qes0.33-6%
62%
Similarity
48% cheaper£239.00
Celestion
CF1840JD
18"
Lower price
Xmax12.5mm+4%
Qts0.4+20%
BL24.8Tm-3%
Vas155L-36%
Qes0.44+25%
54%
Similarity
47% cheaper£242.00
Precision Devices
PD.185C001
18"
Lower price
Xmax10.5mm-12%
Qts0.4+22%
BL21Tm-17%
Vas302L+24%
Qes0.42+21%
83%
Similarity
46% cheaper£244.93
RCF
LF18X401
18"
Lower price
Xmax12mm0%
Qts0.3-9%
BL26.5Tm+4%
Vas274L+13%
Qes0.31-11%
56%
Similarity
46% cheaper£245.00
RCF
L18P400
18"
Lower price
Xmax9mm-25%
Qts0.28-15%
BL24.6Tm-3%
Vas340L+40%
Qes0.29-17%
80%
Similarity
46% cheaper£245.81
FaitalPRO
18HP1060
18"
Lower price
Xmax12.4mm+4%
Qts0.37+12%
BL24.8Tm-2%
Vas200.3L-18%
Qes0.38+9%