Hornresp
.txt · Hornresp driver database
Driver file ready to place in Hornresp’s Drivers folder.
Download for HornrespB&C 8NDL51 4Ω
LF DriverMedia
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Overview
LF Driver8NDL series
B&C
B&C 8NDL51
B&C 8NDL51 is a 8" 4 ohm LF driver rated at 200W RMS. The validated T/S data includes Fs 75Hz, Qts 0.57, Vas 10.1L, Xmax 7mm, sensitivity 90.3dB, plus 154cm³ Vd and 117 EBP. bits tracks UK vendor pricing, price movement, datasheet links, simulator import data, and similar drivers, with a current best price of £104.00.
Size
8"
Impedance
4Ω
RMS Power
200W
Sensitivity
90.3dB
94.0dBmanufacturer; using T/S-derived value (3.7dB delta).
EBP
117
Vented alignment
Vd
154cm³
Frequency response
Manufacturer-provided response plots and related charts.
T/S Parameters
Valid
Fs75Hz
Qts0.57
Qes0.64
Qms5.2
Vas10.1L
Re2.6Ω
Le0.15mH
BL7.3Tm
Sd220cm²
Mms27g
Xmax7.0mm
SPL90dB
Power200W
Power Nominal200W
Impedance4Ω
Min Impedance3.0Ω
F Low75Hz
F High3000Hz
Voice Coil51mm
Flux Density1.05T
Pricing & availability
Price definitionsOffers & B-stock
1 hidden from price comparisons
Price movement
Best current price
Updated 11 Sept 2026
thomann
£104.00
inc VAT·In stock
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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.
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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
Weight1.9kg
Diameter225.0mm
Overall Depth90.0mm
Cutout Diameter187.0mm
Bolt Circle Diameter210.0mm
Additional Manufacturer Specs
Bl7.3 Tm
Fs75 Hz
Le0.15 mH
Re2.6 Ω
Sd220 cm² (34.1 in²)
Ebp117 Hz
Mms27 g
Qes0.64
Qms5.22
Qts0.57
Vas10.1 dm³ (0.36 ft³)
η00.73 %
ConeRCK008NDL514
Xmax7 mm
Xvar7 mm
SpiderSingle
Cone ShapeExponential
Pole DesignStraight Pole
Winding Depth16 mm (0.63 in)
Surround ShapeDouble Roll
Former MaterialGlass Fibre
Magnet MaterialNeodymium Inside Slug
Nominal Diameter200 mm (8 in)
Winding MaterialCopper
Magnetic Gap Depth8 mm (0.31 in)
Recommended Tuning65 Hz
Bolt Circle Diameter210 mm (8.3 in)
Recommended Enclosure14 dm³ (0.49 ft³)
Woofer Cone TreatmentTWP Waterproof Both Sides
Baffle Cutout Diameter187 mm (7.4 in)
Flange And Gasket Thickness11 mm (0.4 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
8NDL51
8"
Best current price
£104.00
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.
3 matches
Compare a specific driver
Added drivers stay at the front of the list, whatever the ranges say.
72%
Similarity
Beyma
108CX3FE8
8"
Xmax6mm-14%
Qts0.55-4%
BL9.6Tm+32%
Vas10.8L+7%
Qes0.63-2%
51%
Similarity
Beyma
608CMV28
8"
Xmax5.7mm-19%
Qts0.52-9%
BL9.6Tm+32%
Vas14.6L+45%
Qes0.55-14%
Image unavailable
47%
Similarity
Wavecor
SW182BD03
7"
Xmax7mm0%
Qts0.44-23%
BL7.6Tm+4%
Vas12.7L+26%
Qes0.45-30%