Hornresp
.txt · Hornresp driver database
Driver file ready to place in Hornresp’s Drivers folder.
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Overview
LF Driver
RCF
RCF LF12P903
RCF LF12P903 is a 12" 8 ohm LF driver rated at 500W RMS. The validated T/S data includes Fs 47Hz, Qts 0.23, Vas 65L, Xmax 7mm, sensitivity 96.5dB, plus 371cm³ Vd and 196 EBP. bits tracks vendor pricing, datasheet links, simulator import data, and similar drivers from the same loudspeaker database.
Size
12"
Impedance
8Ω
RMS Power
500W
Sensitivity
96.5dB
97.8dBmanufacturer; using T/S-derived value (1.3dB delta).
EBP
196
Vented alignment
Vd
371cm³
T/S Parameters
Valid
Fs47Hz
Qts0.23
Qes0.24
Qms4.2
Vas65.0L
Re5.7Ω
Le1.06mH
BL22.1Tm
Sd530cm²
Mms70g
Xmax7.0mm
SPL97dB
Power500W
Impedance8Ω
Min Impedance8.2Ω
F Low40Hz
F High2000Hz
Voice Coil76mm
Pricing & availability
Price definitionsNo current price found
Pricing may appear after the next vendor refresh.
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
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Plain text · Clipboard
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Dimensions & Physical
Weight7.0kg
Diameter320.0mm
Cutout Diameter282.0mm
Bolt Circle Diameter304.0mm
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
LF12P903
12"
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.
90%
Similarity
£217.96
Beyma
12MC700ND
12"
Xmax7mm0%
Qts0.24+4%
BL21.6Tm-2%
Vas58L-11%
Qes0.26+8%
86%
Similarity
Oberton
12B401
12"
Xmax6.8mm-4%
Qts0.24+7%
BL19.9Tm-10%
Vas69.6L+7%
Qes0.25+4%
85%
Similarity
£117.54
BishopSound
BDP12
12"
Xmax7mm0%
Qts0.22-4%
BL18.3Tm-17%
Vas75.4L+16%
Qes0.240%
84%
Similarity
Beyma
112P80FEV28
12"
Xmax7.5mm+7%
Qts0.21-9%
BL23Tm+4%
Vas61L-6%
Qes0.22-8%
84%
Similarity
Oberton
12B450
12"
Xmax7.8mm+11%
Qts0.23+2%
BL19.3Tm-13%
Vas71.8L+10%
Qes0.240%
83%
Similarity
£226.95
Eighteen Sound
12ND930
12"
Xmax6.5mm-7%
Qts0.21-9%
BL21.2Tm-4%
Vas70L+8%
Qes0.22-8%
81%
Similarity
£285.67
BMS
12N803
12"
Xmax6mm-14%
Qts0.24+4%
BL21.4Tm-4%
Vas77L+18%
Qes0.25+4%
80%
Similarity
Sica
12 K 4 PL
12"
Xmax7mm0%
Qts0.25+9%
BL22.9Tm+3%
Vas47.4L-27%
Qes0.27+13%
80%
Similarity
£138.00
B&C
12CL76
12"
Xmax6mm-14%
Qts0.21-9%
BL22.4Tm+1%
Vas59L-9%
Qes0.22-8%
80%
Similarity
£209.77
Eighteen Sound
12ND940
12"
Xmax7.6mm+9%
Qts0.2-13%
BL22.2Tm0%
Vas64.8L0%
Qes0.2-17%
80%
Similarity
Precision Devices
PD.124NR1-LR
12"
Xmax8.5mm+21%
Qts0.23-2%
BL22Tm-1%
Vas78L+20%
Qes0.23-3%
79%
Similarity
£230.40
Eighteen Sound
12ND730
12"
Xmax6.5mm-7%
Qts0.230%
BL19.2Tm-13%
Vas90L+38%
Qes0.240%