Hornresp
.txt · Hornresp driver database
Driver file ready to place in Hornresp’s Drivers folder.
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Overview
LF Driver8FMB series
B&C
B&C 8FMB51
B&C 8FMB51 is a 8" 8 ohm LF driver rated at 250W RMS. The validated T/S data includes Fs 67Hz, Qts 0.28, Vas 20.7L, Xmax 5.5mm, sensitivity 95.1dB, plus 125cm³ Vd and 216 EBP. bits tracks UK vendor pricing, price movement, datasheet links, simulator import data, and similar drivers, with a current best price of £80.08.
Size
8"
Impedance
8Ω
RMS Power
250W
Sensitivity
95.1dB
96.5dBmanufacturer; using T/S-derived value (1.4dB delta).
EBP
216
Vented alignment
Vd
125cm³
Frequency response
Manufacturer-provided response plots and related charts.
T/S Parameters
Valid
Fs67Hz
Qts0.28
Qes0.31
Qms3.1
Vas20.7L
Re4.7Ω
Le0.48mH
BL11.3Tm
Sd227cm²
Mms20g
Xmax5.5mm
SPL95dB
Power250W
Power Nominal250W
Impedance8Ω
Min Impedance5.5Ω
F Low67Hz
F High4500Hz
Voice Coil51mm
Flux Density1.19T
Pricing & availability
Price definitionsPrice movement
Best current price
£80.08
inc VAT·Vendor hidden
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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.
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.bastaelement · BASTA! loudspeaker simulator
Native BASTA! element file using its documented SI-unit fields.
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.wdr · VituixCAD 2 Enclosure
A WinISD driver file that VituixCAD imports directly.
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Dimensions & Physical
Weight3.4kg
Diameter225.0mm
Overall Depth92.0mm
Cutout Diameter187.0mm
Bolt Circle Diameter210.0mm
Additional Manufacturer Specs
Bl11.3 Tm
Fs67 Hz
Le0.48 mH
Re4.7 Ω
Sd227 cm² (35.19 in²)
Ebp216 Hz
Mms20.2 g
Qes0.31
Qms3.07
Qts0.28
Vas20.7 dm³ (0.73 ft³)
η01.91 %
ConeRCK008FMB518
Xmax5.5 mm
Xvar5 mm
SpiderSingle
Cone ShapeCurvilinear
Pole DesignT-Pole
Winding Depth15 mm (0.59 in)
Surround ShapeTriple Roll
Former MaterialGlass Fibre
Magnet MaterialFerrite
Nominal Diameter200 mm (8 in)
Winding MaterialAluminium
Magnetic Gap Depth8 mm (0.31 in)
Recommended Tuning80 Hz
Bolt Circle Diameter210 mm (8.27 in)
Recommended Enclosure14 dm³ (0.49 ft³)
Woofer Cone TreatmentWaterproof Impregnated Cone
Baffle Cutout Diameter187 mm (7.36 in)
Flange And Gasket Thickness9 mm (0.35 in)
Air Volume Occupied By Driver1.2 dm³ (0.04 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
8FMB51
8"
Best current price
£80.08
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.
70%
Similarity
23% cheaper£61.74
Beyma
8WRS300
8"
Lower price
Xmax6mm+9%
Qts0.280%
BL15.2Tm+35%
Vas15L-28%
Qes0.3-3%
60%
Similarity
23% cheaper£62.00
FaitalPRO
8RS250
8"
Lower price
Xmax6.9mm+26%
Qts0.32+14%
BL13.5Tm+19%
Vas18.3L-12%
Qes0.34+10%
54%
Similarity
25% more£99.92
RCF
MB8N251
8"
Higher price
Xmax5mm-9%
Qts0.25-11%
BL15.2Tm+35%
Vas13L-37%
Qes0.26-16%
66%
Similarity
25% more£100.24
FaitalPRO
8PR210
8"
Higher price
Xmax6.9mm+26%
Qts0.29+4%
BL13.5Tm+19%
Vas15.4L-26%
Qes0.32+3%
62%
Similarity
28% more£102.78
B&C
8PS21
8"
Higher price
Xmax5mm-9%
Qts0.33+18%
BL12.6Tm+12%
Vas14L-32%
Qes0.36+16%
69%
Similarity
33% more£106.30
B&C
8FG51
8"
Higher price
Xmax6.5mm+18%
Qts0.32+14%
BL12.9Tm+14%
Vas20L-3%
Qes0.34+10%
89%
Similarity
42% more£113.58
B&C
8MBX51
8"
Higher price
Xmax6mm+9%
Qts0.29+4%
BL11.4Tm+1%
Vas23L+11%
Qes0.310%
75%
Similarity
50% more£120.21
Eighteen Sound
8NMB420
8"
Higher price
Xmax5.8mm+5%
Qts0.280%
BL10Tm-12%
Vas33L+59%
Qes0.310%
53%
Similarity
51% more£121.21
Lavoce
WAN082.01
8"
Higher price
Xmax5.8mm+5%
Qts0.32+14%
BL14.4Tm+28%
Vas9L-57%
Qes0.35+13%
55%
Similarity
72% more£137.66
BMS
8S215
8"
Higher price
Xmax4.3mm-23%
Qts0.31+11%
BL13.6Tm+20%
Vas11L-47%
Qes0.33+6%
67%
Similarity
73% more£138.53
Eighteen Sound
8NW650
8"
Higher price
Xmax5.5mm0%
Qts0.25-11%
BL15.2Tm+35%
Vas17.8L-14%
Qes0.27-13%
61%
Similarity
74% more£139.00
Celestion
FTX0820
8"
Higher price
Xmax4mm-27%
Qts0.280%
BL14.6Tm+29%
Vas13.1L-37%
Qes0.310%