Hornresp
.txt · Hornresp driver database
Driver file ready to place in Hornresp’s Drivers folder.
Download for HornrespB&C 18TBX100 4Ω
LF DriverMedia
Auto-advancing
Overview
LF Driver18TBX series
B&C
B&C 18TBX100
B&C 18TBX100 is a 18" 4 ohm LF driver rated at 1200W RMS. The validated T/S data includes Fs 30Hz, Qts 0.31, Vas 256L, Xmax 9mm, sensitivity 95.2dB, plus 1089cm³ Vd and 91 EBP. bits tracks UK vendor pricing, price movement, datasheet links, simulator import data, and similar drivers, with a current best price of £238.99.
Size
18"
Impedance
4Ω
RMS Power
1200W
Sensitivity
95.2dB
94.0dBmanufacturer; using T/S-derived value (1.2dB delta).
EBP
91
Either alignment
Vd
1089cm³
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 11d682d6a1d1…Medium confidence4,538 selected pixels of 5,468 - Trace datasheet-response-trace-poc/v2
free-air impedance
Impedance response
240 plotted pointsSource file SHA-256 11d682d6a1d1…Medium confidence3,742 selected pixels of 3,742
Frequency response
Manufacturer-provided response plots and related charts.
T/S Parameters
Valid
Fs30Hz
Qts0.31
Qes0.33
Qms7.0
Vas256.0L
Re3.7Ω
Le1.73mH
BL22.0Tm
Sd1210cm²
Mms230g
Xmax9.0mm
SPL95dB
Power1200W
Power Nominal1200W
Impedance4Ω
Min Impedance4.4Ω
F Low35Hz
F High1000Hz
Voice Coil100mm
Flux Density1.10T
Pricing & availability
Price definitionsPrice movement
Other offers
4 vendorsjpleisure
Updated 7 Aug 2026· 4Ω
Source: ex VAT · 20%
£239.94
inc VAT
In stock
jpleisure
Updated 11 Sept 2026· 4Ω
Source: ex VAT · 20%
£239.94
inc VAT
In stock
thomann
Updated 11 Sept 2026· 4Ω
Source: inc VAT · 20%
£244.00
inc VAT
In stock
partsexpress
Updated 11 Sept 2026· 4Ω
Source: ex VAT
£295.78
inc VAT
7 in stock
Best current price
Updated 11 Sept 2026
bluearan
£238.99
Avg £251.73£12.74 below avg (-5.1%)
inc VAT·2 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
Weight12.7kg
Diameter460.0mm
Overall Depth209.0mm
Cutout Diameter422.0mm
Bolt Circle Diameter440.0mm
Additional Manufacturer Specs
Bl22 Tm
Fs30 Hz
Le1.73 mH
Re3.7 Ω
Sd1210 cm² (187.6 in²)
Ebp91 Hz
Mms230 g
Qes0.33
Qms7
Qts0.31
Vas256 dm³ (9.04 ft³)
η01.96 %
ConeRCK18TBX1004
Xmax9 mm
Xvar11 mm
SpiderDouble Silicone
Cone ShapeRadial
Pole DesignT-Pole
Winding Depth25 mm (1 in)
Surround ShapeTriple Roll
Former MaterialGlass Fibre
Magnet MaterialFerrite
Nominal Diameter460 mm (18 in)
Winding MaterialCopper
Magnetic Gap Depth12 mm (0.5 in)
Recommended Tuning34 Hz
Bolt Circle Diameter440 mm (17.3 in)
Recommended Enclosure200 dm³ (7.06 ft³)
Woofer Cone TreatmentTWP Waterproof Both Sides
Baffle Cutout Diameter422 mm (16.6 in)
Flange And Gasket Thickness16 mm (0.63 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
18TBX100
18"
Best current price
£238.99
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.
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Eminence
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RCF
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Beyma
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Beyma
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B&C
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Lower price
Xmax8mm-11%
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57%
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4% cheaper£230.00
Celestion
ERPROX18
18"
Lower price
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£238.00
B&C
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B&C
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18"
Xmax8mm-11%
Qts0.24-23%
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Similarity
£238.99
B&C
18TBX100
18"
Xmax9mm0%
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BL25.5Tm+16%
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Qes0.37+12%
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£240.38
Celestion
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18"
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BL22.8Tm+4%
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52%
Similarity
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Eighteen Sound
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Higher price
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