Hornresp
.txt · Hornresp driver database
Driver file ready to place in Hornresp’s Drivers folder.
Download for HornrespB&C 18SW115 4Ω
LF DriverMedia
Auto-advancing
Overview
LF Driver18SW series
B&C
B&C 18SW115
B&C 18SW115 is a 18" 4 ohm LF driver rated at 1700W RMS. The validated T/S data includes Fs 34Hz, Qts 0.30, Vas 149.1L, Xmax 14mm, sensitivity 94.8dB, plus 1694cm³ Vd and 110 EBP. bits tracks UK vendor pricing, price movement, datasheet links, simulator import data, and similar drivers, with a current best price of £435.74.
Size
18"
Impedance
4Ω
RMS Power
1700W
Sensitivity
94.8dB
96.0dBmanufacturer; using T/S-derived value (1.2dB delta).
EBP
110
Vented alignment
Vd
1694cm³
Datasheet traces
Frequency and impedance curves traced from the manufacturer PDF.
free-air SPL240 ptsp3medium
Curve provenanceInspect 2 tracesHide details
These plotted lines are Bits digitizations of manufacturer evidence, not new measurements. How provenance works
- Trace datasheet-response-trace-poc/v2
free-air SPL
Frequency response
240 plotted pointsSource file SHA-256 ac6a2bf4a385…Medium confidence6,828 selected pixels of 6,828 - Trace datasheet-response-trace-poc/v2
free-air impedance
Impedance response
240 plotted pointsSource file SHA-256 ac6a2bf4a385…Medium confidence3,823 selected pixels of 3,823
Frequency response
Manufacturer-provided response plots and related charts.
T/S Parameters
Valid
Fs34Hz
Qts0.30
Qes0.31
Qms6.1
Vas149.1L
Re3.3Ω
Le1.36mH
BL26.0Tm
Sd1210cm²
Mms304g
Xmax14.0mm
SPL95dB
Power1700W
Power Nominal1700W
Impedance4Ω
Min Impedance4.1Ω
F Low35Hz
F High1500Hz
Voice Coil116mm
Flux Density1.16T
Pricing & availability
Price definitionsPrice movement
Other offers
8 vendorsjpleisure
Updated 7 Aug 2026· 4Ω
Source: ex VAT · 20%
£435.74
inc VAT
In stock
jpleisure
Updated 11 Sept 2026· 4Ω
Source: ex VAT · 20%
£435.74
inc VAT
In stock
jpleisure
Updated 11 Sept 2026· 4Ω
Source: ex VAT · 20%
£435.74
inc VAT
In stock
bluearan
Updated 11 Sept 2026· 4Ω
Source: inc VAT · 20%
£444.00
inc VAT
4 in stock
bluearan
Updated 11 Sept 2026· 4Ω
Source: inc VAT · 20%
£444.00
inc VAT
4+ in stock
thomann
Updated 11 Sept 2026· 4Ω
Source: inc VAT · 20%
£449.00
inc VAT
In stock8–10 weeks
bluearan
Updated 25 Jun 2026· 4Ω
Source: inc VAT · 20%
£474.47
inc VAT
partsexpress
Updated 11 Sept 2026· 4Ω
Source: ex VAT
£547.01
inc VAT
8 in stock
Best current price
Updated 7 Aug 2026
jpleisure
£435.74
Avg £456.56£20.81 below avg (-4.6%)
inc VAT·In stock
Use this driver
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
Start a new enclosure simulation with this driver already loaded.
Open in 00 SimulatorCopy spec sheet
Plain text · Clipboard
Copy the available values as a clean label-and-value list.
Dimensions & Physical
Weight11.9kg
Diameter460.0mm
Overall Depth242.0mm
Cutout Diameter425.0mm
Bolt Circle Diameter443.0mm
Additional Manufacturer Specs
Bl26 Tm
Fs34 Hz
Le1.36 mH
Re3.3 Ω
Sd1210 cm² (187.6 in²)
Ebp110 Hz
Mms304 g
Qes0.31
Qms6.1
Qts0.3
Vas149.1 dm³ (5.27 ft³)
η01.8 %
ConeRCK18SW1154
Xmax14 mm
Xvar16 mm
SpiderDouble Silicone
Cone ShapeRadial
Pole DesignT-Pole
Winding Depth34 mm (1.33 in)
Surround ShapeTriple Roll
Former MaterialGlass Fibre
Magnet MaterialNeodymium Inside Slug
Nominal Diameter460 mm (18 in)
Winding MaterialCopper
Magnetic Gap Depth14 mm (0.55 in)
Recommended Tuning35 Hz
Bolt Circle Diameter443 mm (17.44 in)
Recommended Enclosure150 dm³ (5.3 ft³)
Woofer Cone TreatmentTWP Waterproof Both Sides
Baffle Cutout Diameter425 mm (16.73 in)
Flange And Gasket Thickness16 mm (0.62 in)
Air Volume Occupied By Driver10.5 dm³ (0.37 ft³)
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
B&C
18SW115
18"
Best current price
£435.74
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.
58%
Similarity
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FaitalPRO
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BL24.8Tm-5%
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Qes0.38+23%
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B&C
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BL22.8Tm-12%
Vas181.5L+22%
Qes0.34+10%
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Beyma
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Qes0.28-10%
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Beyma
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Qes0.35+13%
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Eighteen Sound
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Oberton
18XB1301DS
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Lower price
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43%
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Oberton
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Lower price
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77%
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Eighteen Sound
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Lower price
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Qes0.3-3%
76%
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RCF
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18"
Lower price
Xmax14mm0%
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Vas227L+52%
Qes0.34+10%
72%
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17% cheaper£360.00
RCF
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18"
Lower price
Xmax14mm0%
Qts0.28-7%
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Vas220L+48%
Qes0.29-6%
86%
Similarity
17% cheaper£361.00
B&C
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