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Overview
LF Driver
Eighteen Sound
Eighteen Sound 12W500
Eighteen Sound 12W500 is a 12" 8 ohm LF driver rated at 350W RMS. The validated T/S data includes Fs 46Hz, Qts 0.36, Vas 123L, Xmax 4mm, sensitivity 97dB, plus 212cm³ Vd and 121 EBP. bits tracks UK vendor pricing, price movement, datasheet links, simulator import data, and similar drivers, with a current best price of £134.63.
Size
12"
Impedance
8Ω
RMS Power
350W
Sensitivity
97.0dB
99.5dBmanufacturer; using T/S-derived value (2.5dB delta).
EBP
121
Vented alignment
Vd
212cm³
Datasheet traces
Frequency and impedance curves traced from the manufacturer PDF.
frequency response240 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
240 plotted pointsMedium confidence2,244 selected pixels of 2,244 - Trace datasheet-response-trace-poc/v1
impedance
Impedance response
240 plotted pointsMedium confidence1,038 selected pixels of 1,038
T/S Parameters
Valid
Fs46Hz
Qts0.36
Qes0.38
Qms6.0
Vas123.0L
Re5.2Ω
Le1.12mH
BL12.1Tm
Sd531cm²
Mms37g
Xmax4.0mm
SPL97dB
Power350W
Power Nominal350W
Impedance8Ω
F Low50Hz
F High6000Hz
Pricing & availability
Price definitionsPrice movement
Best current price
£134.63
inc VAT·Vendor hidden
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.
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Direct import · Web app
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Plain text · Clipboard
Copy the available values as a clean label-and-value list.
Dimensions & Physical
Weight5.2kg
Diameter315.0mm
Overall Depth141.0mm
Cutout Diameter282.0mm
Bolt Circle Diameter296.0mm
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
12W500
12"
Best current price
£134.63
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.
59%
Similarity
65% cheaper£47.17
Dayton Audio
DC300-8
12"
Lower price
Xmax4.3mm+7%
Qts0.33-8%
BL16.3Tm+35%
Vas181.5L+48%
Qes0.37-3%
62%
Similarity
53% cheaper£63.26
Lavoce
WSN122.50
12"
Lower price
Xmax4.7mm+18%
Qts0.360%
BL15.8Tm+31%
Vas69.4L-44%
Qes0.39+3%
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Celestion
TF1220
12"
Lower price
Xmax4mm0%
Qts0.39+8%
BL13.9Tm+15%
Vas72.8L-41%
Qes0.44+16%
57%
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53% cheaper£63.59
PRV Audio
12W750A
12"
Lower price
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BL14.3Tm+18%
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Qes0.44+16%
51%
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Celestion
K12H-100TC
12"
Lower price
Xmax3mm-25%
Qts0.4+11%
BL13.6Tm+12%
Vas72L-41%
Qes0.47+24%
65%
Similarity
41% cheaper£80.00
Celestion
TF1225
12"
Lower price
Xmax4.5mm+13%
Qts0.37+3%
BL14.3Tm+18%
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Qes0.42+11%
40%
Similarity
41% cheaper£80.00
CIARE
FXI12
12"
Lower price
Xmax5mm+25%
Qts0.44+22%
BL13.9Tm+15%
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Qes0.49+29%
46%
Similarity
22% cheaper£104.85
Eminence
DELTA-12LFC
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Lower price
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46%
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Eminence
KAPPA-12A
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Lower price
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Qts0.27-25%
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67%
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Eminence
DELTA PRO
12"
Lower price
Xmax4.6mm+15%
Qts0.35-3%
BL15.3Tm+26%
Vas81.7L-34%
Qes0.37-3%
49%
Similarity
4% cheaper£128.97
CIARE
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12"
Lower price
Xmax5mm+25%
Qts0.43+19%
BL10.6Tm-12%
Vas70L-43%
Qes0.44+16%
56%
Similarity
3% cheaper£130.60
FaitalPRO
12PR310
12"
Lower price
Xmax4.9mm+23%
Qts0.4+11%
BL14.4Tm+19%
Vas73.5L-40%
Qes0.41+8%