Hornresp
.txt · Hornresp driver database
Driver file ready to place in Hornresp’s Drivers folder.
Download for HornrespB&C 8BG51 8Ω
LF DriverMedia
Auto-advancing
Overview
LF Driver8BG series
B&C
B&C 8BG51
B&C 8BG51 is a 8" 8 ohm LF driver rated at 250W RMS. The validated T/S data includes Fs 52Hz, Qts 0.40, Vas 18L, Xmax 6.5mm, sensitivity 89.8dB, plus 143cm³ Vd and 124 EBP. bits tracks UK vendor pricing, price movement, datasheet links, simulator import data, and similar drivers, with a current best price of £110.00.
Size
8"
Impedance
8Ω
RMS Power
250W
Sensitivity
89.8dB
92.0dBmanufacturer; using T/S-derived value (2.2dB delta).
EBP
124
Vented alignment
Vd
143cm³
Frequency response
Manufacturer-provided response plots and related charts.
T/S Parameters
Valid
Fs52Hz
Qts0.40
Qes0.42
Qms12.3
Vas18.0L
Re5.1Ω
Le0.50mH
BL11.8Tm
Sd220cm²
Mms35g
Xmax6.5mm
SPL90dB
Power250W
Power Nominal250W
Impedance8Ω
Min Impedance6.0Ω
F Low50Hz
F High4000Hz
Voice Coil51mm
Flux Density1.15T
Pricing & availability
Price definitionsPrice movement
Other offers
5 vendorsbluearan
Updated 11 Sept 2026· 8Ω
Source: inc VAT · 20%
£111.00
inc VAT
14 in stock5-7 weeks
thomann
Updated 11 Sept 2026· 8Ω
Source: inc VAT · 20%
£111.00
inc VAT
In stock
jpleisure
Updated 7 Aug 2026· 8Ω
Source: ex VAT · 20%
£114.86
inc VAT
In stock
jpleisure
Updated 11 Sept 2026· 8Ω
Source: ex VAT · 20%
£114.86
inc VAT
In stock
partsexpress
Updated 11 Sept 2026
Source: ex VAT
£130.56
inc VAT
Back order
Best current price
Updated 21 Apr 2026
thomann
£110.00
Avg £112.35£2.35 below avg (-2.1%)
inc VAT
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
Start a new enclosure simulation with this driver already loaded.
Open in 00 SimulatorCopy spec sheet
Plain text · Clipboard
Copy the available values as a clean label-and-value list.
Dimensions & Physical
Weight1.9kg
Diameter225.0mm
Overall Depth90.0mm
Cutout Diameter187.0mm
Bolt Circle Diameter210.0mm
Additional Manufacturer Specs
Bl11.8 Tm
Fs52 Hz
Le0.5 mH
Re5.1 Ω
Sd220 cm² (34.1 in²)
Ebp124 Hz
Mms35 g
Qes0.42
Qms12.3
Qts0.4
Vas18 dm³ (0.63 ft³)
η00.6 %
ConeRCK008BG518
Xmax6.5 mm
Xvar8 mm
SpiderSingle
Cone ShapeExponential
Pole DesignT-Pole
Winding Depth17 mm (0.65 in)
Surround ShapeRoll
Former MaterialGlass Fibre
Magnet MaterialNeodymium Inside Slug
Nominal Diameter200 mm (8 in)
Winding MaterialCopper
Magnetic Gap Depth8 mm (0.31 in)
Recommended Tuning49 Hz
Bolt Circle Diameter210 mm (8.3 in)
Recommended Enclosure19 dm³ (0.67 ft³)
Woofer Cone TreatmentWP Waterproof Front Side
Baffle Cutout Diameter187 mm (7.4 in)
Flange And Gasket Thickness11 mm (0.43 in)
Air Volume Occupied By Driver1.1 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
8BG51
8"
Best current price
£110.00
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.
41%
Similarity
73% cheaper£29.57
Dayton Audio
PCS8-4
8"
Lower price
Xmax5mm-23%
Qts0.49+22%
BL8.4Tm-29%
Vas20.5L+14%
Qes0.56+33%
72%
Similarity
69% cheaper£34.02
Lavoce
WSF081.82
8"
Lower price
Xmax4.6mm-29%
Qts0.38-5%
BL11.3Tm-5%
Vas14.3L-21%
Qes0.43+2%
76%
Similarity
60% cheaper£43.52
FaitalPRO
8FE300
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Lower price
Xmax5.5mm-15%
Qts0.44+10%
BL11.3Tm-4%
Vas15.7L-13%
Qes0.46+10%
87%
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SB Audience
BIANCO-8MW250
8"
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Xmax6.5mm0%
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BL11Tm-7%
Vas13.8L-23%
Qes0.45+7%
58%
Similarity
55% cheaper£50.00
Celestion
TF0818
8"
Lower price
Xmax5mm-23%
Qts0.43+7%
BL12.9Tm+10%
Vas9.4L-48%
Qes0.49+17%
79%
Similarity
54% cheaper£51.00
Fane
SOVEREIGN 8-225
8"
Lower price
Xmax5.5mm-15%
Qts0.38-5%
BL11Tm-7%
Vas22L+22%
Qes0.420%
70%
Similarity
50% cheaper£54.66
Peerless
GBS-200F35CP02-04
8"
Lower price
Xmax7.8mm+20%
Qts0.44+10%
BL11.7Tm-1%
Vas13.9L-23%
Qes0.48+14%
83%
Similarity
47% cheaper£58.43
Celestion
TRUVOX 0820
8"
Lower price
Xmax5mm-23%
Qts0.39-3%
BL11.5Tm-2%
Vas17.3L-4%
Qes0.42-1%
38%
Similarity
46% cheaper£59.16
Dayton Audio
RS180-8
7"
Lower price
Xmax6mm-8%
Qts0.31-23%
BL7.8Tm-34%
Vas24.4L+36%
Qes0.420%
68%
Similarity
44% cheaper£62.00
FaitalPRO
8RS250
8"
Lower price
Xmax6.9mm+6%
Qts0.32-20%
BL13.5Tm+14%
Vas18.3L+2%
Qes0.34-19%
58%
Similarity
40% cheaper£66.50
PRV Audio
8MR600X-4
8"
Lower price
Xmax5.1mm-22%
Qts0.34-15%
BL8.9Tm-24%
Vas19.6L+9%
Qes0.36-14%
80%
Similarity
35% cheaper£71.42
Lavoce
WAF082.00
8"
Lower price
Xmax6.3mm-3%
Qts0.37-8%
BL12.5Tm+6%
Vas11.9L-34%
Qes0.41-2%