Hornresp
.txt · Hornresp driver database
Driver file ready to place in Hornresp’s Drivers folder.
Download for HornrespRCF LF18X451 8Ω
LF DriverMedia
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Overview
LF Driver
RCF
RCF LF18X451
RCF LF18X451 is a 18" 8 ohm LF driver rated at 1800W RMS. The validated T/S data includes Fs 30Hz, Qts 0.28, Vas 220L, Xmax 14mm, sensitivity 95.1dB, plus 1680cm³ Vd and 103 EBP. bits tracks UK vendor pricing, price movement, datasheet links, simulator import data, and similar drivers, with a current best price of £360.00.
Size
18"
Impedance
8Ω
RMS Power
1800W
Sensitivity
95.1dB
97.0dBmanufacturer; using T/S-derived value (1.9dB delta).
EBP
103
Vented alignment
Vd
1680cm³
T/S Parameters
Valid
Fs30Hz
Qts0.28
Qes0.29
Qms6.7
Vas220.0L
Re5.4Ω
Le1.38mH
BL30.5Tm
Sd1200cm²
Mms260g
Xmax14.0mm
SPL95dB
Power1800W
Impedance8Ω
Min Impedance6.8Ω
F Low30Hz
F High1000Hz
Voice Coil114mm
Pricing & availability
Price definitionsPrice movement
Other offers
1 vendorthomann
Updated 11 Sept 2026
Source: inc VAT · 20%
£435.00
inc VAT
In stock
Best current price
Updated 11 Sept 2026
bluearan
£360.00
Avg £397.50£37.50 below avg (-9.4%)
inc VAT·4 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.
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Plain text · Clipboard
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Dimensions & Physical
Weight15.2kg
Diameter465.0mm
Cutout Diameter424.0mm
Bolt Circle Diameter447.0mm
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
RCF
LF18X451
18"
Best current price
£360.00
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.
54%
Similarity
32% cheaper£244.82
Lavoce
SAF185.00
18"
Lower price
Xmax11.6mm-17%
Qts0.23-18%
BL37.5Tm+23%
Vas164.3L-25%
Qes0.24-17%
71%
Similarity
32% cheaper£244.93
RCF
LF18X401
18"
Lower price
Xmax12mm-14%
Qts0.3+7%
BL26.5Tm-13%
Vas274L+25%
Qes0.31+7%
59%
Similarity
25% cheaper£268.99
B&C
18TBW100
18"
Lower price
Xmax12mm-14%
Qts0.32+14%
BL22.8Tm-25%
Vas181.5L-17%
Qes0.34+17%
77%
Similarity
24% cheaper£273.68
Beyma
18PW1400FE
18"
Lower price
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Qts0.27-4%
BL29Tm-5%
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Beyma
18LEX1200ND
18"
Lower price
Xmax11mm-21%
Qts0.33+18%
BL26.4Tm-13%
Vas219L0%
Qes0.35+21%
72%
Similarity
21% cheaper£284.15
Oberton
18XB1301DS
18"
Lower price
Xmax12mm-14%
Qts0.3+8%
BL26.9Tm-12%
Vas172.9L-21%
Qes0.32+9%
68%
Similarity
19% cheaper£291.62
CIARE
NDH18-4S
18"
Lower price
Xmax11.5mm-18%
Qts0.32+14%
BL27.7Tm-9%
Vas239L+9%
Qes0.33+14%
62%
Similarity
19% cheaper£291.62
CIARE
NDH18-4S
18"
Lower price
Xmax11.5mm-18%
Qts0.25-11%
BL22.2Tm-27%
Vas240L+9%
Qes0.25-14%
65%
Similarity
17% cheaper£299.00
Beyma
18QLEX1600FE
18"
Lower price
Xmax13mm-7%
Qts0.23-18%
BL36.4Tm+19%
Vas195L-11%
Qes0.24-17%
61%
Similarity
17% cheaper£299.00
Oberton
18XB1500v2
18"
Lower price
Xmax11mm-21%
Qts0.23-20%
BL31.6Tm+4%
Vas192.5L-12%
Qes0.23-21%
88%
Similarity
13% cheaper£312.00
Eighteen Sound
18LW2600
18"
Lower price
Xmax14.8mm+6%
Qts0.29+4%
BL31Tm+2%
Vas187L-15%
Qes0.3+3%
67%
Similarity
10% cheaper£324.41
FaitalPRO
18FX600
18"
Lower price
Xmax11.3mm-20%
Qts0.3+7%
BL24.5Tm-20%
Vas257.3L+17%
Qes0.31+7%