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.txt · Hornresp driver database
Driver file ready to place in Hornresp’s Drivers folder.
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Overview
LF Driver
Eighteen Sound
Eighteen Sound 21LW2600
Eighteen Sound 21LW2600 is a 21" 8 ohm LF driver rated at 1600W RMS. The validated T/S data includes Fs 27Hz, Qts 0.33, Vas 333L, Xmax 14.6mm, sensitivity 94.9dB, plus 2424cm³ Vd and 79 EBP. bits tracks UK vendor pricing, price movement, datasheet links, simulator import data, and similar drivers, with a current best price of £492.21.
Size
21"
Impedance
8Ω
RMS Power
1600W
Sensitivity
94.9dB
97.0dBmanufacturer; using T/S-derived value (2.1dB delta).
EBP
79
Either alignment
Vd
2424cm³
Datasheet traces
Frequency and impedance curves traced from the manufacturer PDF.
frequency response119 ptsp2medium
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/v1
frequency response
Frequency response
119 plotted pointsMedium confidence407 selected pixels of 737 - Trace datasheet-response-trace-poc/v1
impedance
Impedance response
240 plotted pointsMedium confidence561 selected pixels of 805
T/S Parameters
Valid
Fs27Hz
Qts0.33
Qes0.34
Qms23.1
Vas333.0L
Re5.2Ω
Le2.67mH
BL32.5Tm
Sd1660cm²
Mms398g
Xmax14.6mm
SPL95dB
Power1600W
Power Nominal1600W
Impedance8Ω
F Low35Hz
F High1400Hz
Pricing & availability
Price definitionsPrice movement
Best current price
£492.21
inc VAT·Vendor hidden
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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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Dimensions & Physical
Weight17.1kg
Diameter545.0mm
Overall Depth245.0mm
Cutout Diameter492.0mm
Bolt Circle Diameter520.0mm
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
Eighteen Sound
21LW2600
21"
Best current price
£492.21
Compare on
Matches sit inside every range. Size stays fixed automatically.
5 active T/S params, plus size.
12 matches
Compare a specific driver
Added drivers stay at the front of the list, whatever the ranges say.
73%
Similarity
60% cheaper£194.71
Dayton Audio
PSS555-8
21"
Lower price
Xmax11mm-25%
Qts0.330%
BL29.7Tm-9%
Vas444L+33%
Qes0.340%
65%
Similarity
25% cheaper£371.37
RCF
LF21N451
21"
Lower price
Xmax13mm-11%
Qts0.26-21%
BL34.5Tm+6%
Vas375L+13%
Qes0.27-21%
76%
Similarity
21% cheaper£389.00
RCF
LF21X451
21"
Lower price
Xmax14mm-4%
Qts0.37+12%
BL30.5Tm-6%
Vas385L+16%
Qes0.39+15%
71%
Similarity
14% cheaper£425.00
Beyma
21QLEX1600FE
21"
Lower price
Xmax13mm-11%
Qts0.28-15%
BL36.4Tm+12%
Vas309L-7%
Qes0.3-12%
85%
Similarity
10% cheaper£445.00
Celestion
TSQ2145
21"
Lower price
Xmax15mm+3%
Qts0.34+4%
BL33.8Tm+4%
Vas253.8L-24%
Qes0.36+6%
79%
Similarity
2% cheaper£481.99
B&C
21SW115
21"
Lower price
Xmax14mm-4%
Qts0.37+12%
BL30.1Tm-7%
Vas318L-5%
Qes0.39+15%
72%
Similarity
2% cheaper£481.99
B&C
21SW115
21"
Lower price
Xmax14mm-4%
Qts0.36+9%
BL24.8Tm-24%
Vas278L-17%
Qes0.37+9%
52%
Similarity
£497.00
B&C
21DS115
21"
Xmax16.5mm+13%
Qts0.27-18%
BL39.3Tm+21%
Vas204L-39%
Qes0.28-18%
Image unavailable
76%
Similarity
15% more£564.00
Precision Devices
PD.2155-1N
21"
Higher price
Xmax14mm-4%
Qts0.36+9%
BL30Tm-8%
Vas241L-28%
Qes0.37+10%
80%
Similarity
17% more£576.21
Eighteen Sound
21NLW9001
21"
Higher price
Xmax14mm-4%
Qts0.31-6%
BL37Tm+14%
Vas244L-27%
Qes0.340%
78%
Similarity
19% more£585.00
B&C
21SW152
21"
Higher price
Xmax15mm+3%
Qts0.3-9%
BL32.5Tm0%
Vas200L-40%
Qes0.31-9%
67%
Similarity
19% more£585.00
B&C
21SW152
21"
Higher price
Xmax15mm+3%
Qts0.36+9%
BL39Tm+20%
Vas200L-40%
Qes0.38+12%