- Net volume
- 75L
- Tuning
- 53Hz
B&C gives the volume and tuning; the port is sized for the driver when you open it.
13.5-inch LF driver · 14NDL series · 76 mm voice coil · 500 W
B&C 14NDL76 8Ω
8 Ω · 40–3000 Hz
No current price
- Fs
- 41Hz
- Xmax
- 8mm
- SPL
- 96dB
- Pe
- 500W
- BL
- 19T·m
- Vd
- 566cm³
- Qts
- 0.30
- Vas
- 123L
Manufacturer response and impedance data, with source and trace details below. The left and right arrow keys read every shown curve at a frequency, a twelfth of an octave at a time, or an octave with Shift. Escape clears the reading.
Curve provenanceInspect 2 traces
These plotted lines are Bits digitizations of manufacturer evidence, not new measurements. How provenance works
- Trace datasheet-response-trace-poc/v2
free-air SPL
Frequency response
240 plotted pointsSource file SHA-256 0d3562304fb7…Medium confidence6,750 selected pixels of 6,750 - Trace datasheet-response-trace-poc/v2
free-air impedance
Impedance response
240 plotted pointsSource file SHA-256 0d3562304fb7…Medium confidence4,024 selected pixels of 4,024
Published graphs
B&C 14NDL76 is a 13.5-inch 8 ohm LF driver rated at 500 W RMS. The validated T/S data includes Fs 41 Hz, Qts 0.30, Vas 123 L, Xmax 8 mm, sensitivity 96.4 dB, plus 566 cm³ Vd and 132 EBP. bits tracks vendor pricing, datasheet links, simulator import data, and similar drivers from the same loudspeaker database.
The published T/S values agree with each other
Thiele/Small
- Fs
- 41Hz
- Qts
- 0.30
- Qes
- 0.31
- Qms
- 8.2
- Vas
- 123L
- Re
- 5Ω
- Le
- 1.10mH
Motor and cone
- BL
- 19T·m
- Sd
- 707cm²
- Mms
- 85g
- Xmax
- 8mm
- Vd †
- 566cm³
- Voice coil
- 76mm
- Flux density
- 1.15T
Power and response
- Sensitivity †
- 96.4dB
- Manufacturer sensitivity
- 99dB
- Power
- 500W
- Nominal power
- 500W
- Impedance
- 8Ω
- Min. impedance
- 6.1Ω
- Range
- 40–3000Hz
- EBP †
- 132 · Leans vented
Size and mounting
- Diameter
- 359mm
- Cutout
- 323mm
- Bolt circle
- 343mm
- Depth
- 161mm
- Weight
- 4.3kg
Sensitivity shows 96.4 dB, calculated from the T/S values. B&C publishes 99.0 dB, 2.6 dB apart.
† Calculated by bits from the published values
What this validation status means
Everything else B&C lists
LF
- BL
- 19T·m
- Fs
- 41Hz
- Le
- 1.10mH
- Re
- 5Ω
- Sd
- 707cm²
- Mms
- 85g
- Qes
- 0.31
- Qms
- 8.2
- Qts
- 0.30
- SPL
- 96.4dB
- Vas
- 123L
- Xmax
- 8mm
- Power
- 500W
- Impedance
- 8Ω
- Flux density
- 1.15T
- Sensitivity
- 99dB
- Low limit
- 40Hz
- Nominal power
- 500W
- Calculated sensitivity †
- 96.4dB
- High limit
- 3000Hz
- Manufacturer sensitivity
- 99dB
- Min. impedance
- 6.1Ω
- Voice coil
- 76mm
- Weight
- 4.3kg
- Diameter
- 359mm
- Depth
- 161mm
- Cutout
- 323mm
- Bolt circle
- 343mm
- Bl
- 19 Tm
- Fs
- 41 Hz
- Le
- 1.1 mH
- Re
- 5 Ω
- Sd
- 707 cm² (109.59 in²)
- Ebp
- 132 Hz
- Mms
- 85 g
- Qes
- 0.31
- Qms
- 8.2
- Qts
- 0.3
- Vas
- 123 dm³ (4.34 ft³)
- Η0
- 2.7 %
- Cone
- RCK14NDL76
- Xmax
- 8 mm
- Xvar
- 9.5 mm
- Depth
- 161 mm (6.34 in)
- Spider
- Single
- Cone shape
- Exponential
- Net weight
- 4.35 kg (9.59 lb)
- Pole design
- T-Pole
- Sensitivity
- 99 dB
- Flux density
- 1.15 T
- Shipping box
- 425x425x224 mm (16.73x16.73x8.82 in)
- Winding depth
- 21 mm (0.83 in)
- Shipping units
- 1 pcs
- Surround shape
- Triple Roll
- Former material
- Glass Fibre
- Frequency range
- 40 Hz - 3000 Hz
- Magnet material
- Neodymium Inside Slug
- Shipping weight
- 5.65 kg (12.46 lb)
- Nominal diameter
- 359 mm (14 in)
- Overall diameter
- 359 mm (14.13 in)
- Winding material
- Copper
- Minimum impedance
- 6.1 Ω
- Nominal impedance
- 8 Ω
- Magnetic gap depth
- 10 mm (0.4 in)
- Recommended tuning
- 53 Hz
- Voice coil diameter
- 76 mm (3 in)
- Bolt circle diameter
- 343 mm (13.5 in)
- Recommended enclosure
- 75 dm³ (2.65 ft³)
- Woofer cone treatment
- WP Waterproof Front Side
- Baffle cutout diameter
- 323 mm (12.72 in)
- Nominal power handling
- 500 W
- Continuous power handling
- 1000 W
- Flange and gasket thickness
- 12 mm (0.47 in)
- Air volume occupied by driver
- 3 dm³ (0.11 ft³)
B&C’s suggested box
From B&C’s 14NDL76 page
Open this box in 00 Simulator
Modelling the box in 00 Simulator…
03
Compare
Same-size drivers, compared with the 14NDL76. Clear differences are green when better and red when worse.
This driver14NDL76
Best price
–
Fs
41 Hz
Qts
0.30
Vas
123 L
BL
19 T·m
Xmax
8 mm
Sensitivity
96.4 dB
Power
500 W
Beyma14MC700ND
£229.73Fs51 Hz +24%, worse
Qts0.28 −7%
Vas78 L −37%, better
BL22 T·m +16%, better
Xmax7 mm −13%, worse
Sensitivity97.4 dB +1
SB AcousticsWO34HC-4
£279.42Fs20 Hz −51%, better
Qts0.23 −23%, better
Vas233 L +89%, worse
BL15.1 T·m −21%, worse
Xmax16.6 mm +108%, better
Sensitivity90.8 dB −5.6, worse
B&C14NA100
£279.65Fs43 Hz +5%
Qts0.23 −23%, better
Vas99.5 L −19%, better
BL23.5 T·m +24%, better
Xmax8.8 mm +10%, better
Sensitivity97.2 dB +0.8
Beyma14MLEX1000ND
£301.09Fs47 Hz +15%, worse
Qts0.22 −27%, better
Vas75 L −39%, better
BL26.5 T·m +39%, better
Xmax11 mm +38%, better
Sensitivity97.3 dB +0.9
B&C14NDL88
No current priceFs45 Hz +10%
Qts0.30 –
Vas102 L −17%, better
BL19.9 T·m +5%
Xmax8 mm –
Sensitivity96.8 dB –
B&C14CXN76
No current priceFs45 Hz +10%
Qts0.28 −7%
Vas131 L +7%
BL18.4 T·m −3%
Xmax8 mm –
Sensitivity98.2 dB +1.8
B&C14CXN88
No current priceFs46 Hz +12%, worse
Qts0.26 −13%, better
Vas100 L −19%, better
BL20.7 T·m +9%
Xmax9 mm +13%, better
Sensitivity97.6 dB +1.2
SB AcousticsWO34HC-8
No current priceFs20 Hz −51%, better
Qts0.29 −3%
Vas238 L +93%, worse
BL19 T·m –
Xmax16.6 mm +108%, better
Sensitivity90.2 dB −6.2, worse
JensenBP12250-8
No current priceFs50 Hz +22%, worse
Qts0.32 +7%
Vas73.5 L −40%, better
BL16.4 T·m −14%, worse
Xmax3.1 mm −61%, worse
Sensitivity96.4 dB –
JensenBS12N250A-8
No current priceFs47 Hz +15%, worse
Qts0.43 +43%, worse
Vas81.3 L −34%, better
BL14.4 T·m −24%, worse
Xmax5.5 mm −31%, worse
Sensitivity94.8 dB −1.6
B&C14DS88
No current priceFs44 Hz +7%
Qts0.18 −40%, better
Vas55 L −55%, better
BL36.9 T·m +94%, better
Xmax11 mm +38%, better
Sensitivity95.9 dB −0.5
Tune the match
Choose the published values that matter to your design. Size stays matched to this driver.
Qts
Qes
VasL
Xmaxmm
BLTm
No current price found. Pricing may appear after the next vendor refresh.