- Net volume
- 114L
- Tuning
- 35Hz
B&C gives the volume and tuning; the port is sized for the driver when you open it.
15-inch LF driver · 15NBX series · 100 mm voice coil · 1,000 W
B&C 15NBX100 4Ω
35–1500 Hz
No price for delivery to the UK
- Fs
- 37Hz
- Xmax
- 10mm
- SPL
- 95dB
- Pe
- 1000W
- BL
- 22.7T·m
- Vd
- 855cm³
- Qts
- 0.27
- Vas
- 110L
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 d133d55b705a…Medium confidence5,218 selected pixels of 5,919 - Trace datasheet-response-trace-poc/v2
free-air impedance
Impedance response
240 plotted pointsSource file SHA-256 d133d55b705a…Medium confidence3,903 selected pixels of 3,903
Published graphs
B&C 15NBX100 is a 15-inch 4 ohm LF driver rated at 1000 W RMS. The validated T/S data includes Fs 37 Hz, Qts 0.27, Vas 109.6 L, Xmax 10 mm, sensitivity 94.7 dB, plus 855 cm³ Vd and 123 EBP. bits tracks UK, EU and US shop prices, price movement, datasheet links, simulator import data, and similar drivers, with a current best price of £275.02.
The published T/S values agree with each other
Thiele/Small
- Fs
- 37Hz
- Qts
- 0.27
- Qes
- 0.30
- Qms
- 4.8
- Vas
- 109.6L
- Re
- 3.6Ω
- Le
- 1.58mH
Motor and cone
- BL
- 22.7T·m
- Sd
- 855cm²
- Mms
- 176g
- Xmax
- 10mm
- Vd †
- 855cm³
- Voice coil
- 100mm
- Flux density
- 1.10T
Power and response
- Sensitivity †
- 94.7dB
- Manufacturer sensitivity
- 95dB
- Power
- 1000W
- Nominal power
- 1000W
- Impedance
- 4Ω
- Min. impedance
- 4.4Ω
- Range
- 35–1500Hz
- EBP †
- 123 · Leans vented
Size and mounting
- Diameter
- 393mm
- Cutout
- 353mm
- Bolt circle
- 374mm
- Depth
- 179mm
- Weight
- 8.6kg
† Calculated by bits from the published values
What this validation status means
Everything else B&C lists
LF
- BL
- 22.7T·m
- Fs
- 37Hz
- Le
- 1.58mH
- Re
- 3.6Ω
- Sd
- 855cm²
- Mms
- 176g
- Qes
- 0.30
- Qms
- 4.8
- Qts
- 0.27
- SPL
- 94.7dB
- Vas
- 109.6L
- Xmax
- 10mm
- Power
- 1000W
- Impedance
- 4Ω
- Flux density
- 1.10T
- Sensitivity
- 95dB
- Low limit
- 35Hz
- Nominal power
- 1000W
- Calculated sensitivity †
- 94.7dB
- High limit
- 1500Hz
- Manufacturer sensitivity
- 95dB
- Min. impedance
- 4.4Ω
- Voice coil
- 100mm
- Weight
- 8.6kg
- Diameter
- 393mm
- Depth
- 179mm
- Cutout
- 353mm
- Bolt circle
- 374mm
- Bl
- 22.69 Tm
- Fs
- 37 Hz
- Le
- 1.58 mH
- Re
- 3.6 Ω
- Sd
- 855 cm² (132.5 in²)
- Ebp
- 123 Hz
- Mms
- 176 g
- Qes
- 0.3
- Qms
- 4.77
- Qts
- 0.27
- Vas
- 109.6 dm³ (3.87 ft³)
- Η0
- 1.82 %
- Cone
- RCK15NBX1004
- Xmax
- 10 mm
- Xvar
- 10 mm
- Depth
- 179 mm (7.05 in)
- Spider
- Double Silicone
- Cone shape
- Exponential
- Net weight
- 8.55 kg (18.85 lb)
- Pole design
- T-Pole
- Sensitivity
- 95 dB
- Flux density
- 1.1 T
- Shipping box
- 425x425x224 mm (16.73x16.73x8.82 in)
- Winding depth
- 25 mm (1 in)
- Shipping units
- 1 pcs
- Surround shape
- Triple Roll
- Former material
- Glass Fibre
- Frequency range
- 35 Hz - 1500 Hz
- Magnet material
- Neodymium Inside Slug
- Shipping weight
- 9.85 kg (21.72 lb)
- Nominal diameter
- 380 mm (15 in)
- Overall diameter
- 393 mm (15.5 in)
- Winding material
- Copper
- Minimum impedance
- 4.4 Ω
- Nominal impedance
- 4 Ω
- Magnetic gap depth
- 11 mm (0.43 in)
- Recommended tuning
- 35 Hz
- Voice coil diameter
- 100 mm (4 in)
- Bolt circle diameter
- 374 mm (16.7 in)
- Recommended enclosure
- 114 dm³ (4 ft³)
- Woofer cone treatment
- TWP Waterproof Both Sides
- Baffle cutout diameter
- 353 mm (13.9 in)
- Nominal power handling
- 1000 W
- Continuous power handling
- 2000 W
- Flange and gasket thickness
- 14 mm (0.55 in)
- Air volume occupied by driver
- 6 dm³ (0.21 ft³)
B&C’s suggested box
From B&C’s 15NBX100 page
Open this box in 00 Simulator
Modelling the box in 00 Simulator…
03
Compare
Same-size drivers, compared with the 15NBX100. Clear differences are green when better and red when worse.
This driver15NBX100
Best price
£275.02
Fs
37 Hz
Qts
0.27
Vas
109.6 L
BL
22.7 T·m
Xmax
10 mm
Sensitivity
94.7 dB
Power
1000 W
CelestionCF1540HD
£177.40 · 35% less, betterFs41 Hz +10%, worse
Qts0.30 +13%, worse
Vas108.3 L –
BL24.4 T·m +8%
Xmax10.5 mm +5%
Sensitivity95.6 dB +0.9
B&C15PZB100
£199.99 · 27% less, betterFs39 Hz +5%
Qts0.29 +7%
Vas110 L –
BL25.8 T·m +14%, better
Xmax8 mm −20%, worse
Sensitivity95.4 dB +0.7
B&C15TBX100
£224.09 · 19% less, betterFs34 Hz −8%
Qts0.27 –
Vas129.6 L +18%, worse
BL22.1 T·m –
Xmax9 mm −10%, worse
Sensitivity94.6 dB –
MonacorCF1540HD/8
£228.33 · 17% less, betterFs41 Hz +10%, worse
Qts0.30 +13%, worse
Vas108.3 L –
BL24.4 T·m +8%
Xmax10.5 mm +5%
Sensitivity95.6 dB +0.9
B&C15TBW100
£251.40 · 9% less, betterFs39 Hz +5%
Qts0.28 +4%
Vas88 L −20%, better
BL22.6 T·m –
Xmax12 mm +20%, better
Sensitivity94.4 dB –
Eighteen Sound15LW1401
£254.65 · 7% less, betterFs39 Hz +5%
Qts0.26 −4%
Vas127 L +16%, worse
BL22 T·m −3%
Xmax9 mm −10%, worse
Sensitivity96.5 dB +1.8
Eighteen Sound15LW1410
£254.65 · 7% less, betterFs42 Hz +14%, worse
Qts0.27 –
Vas131 L +20%, worse
BL24.1 T·m +6%
Xmax8.5 mm −15%, worse
Sensitivity97.4 dB +2.7, better
FaitalPRO15HP1020
£263.08 · 4% lessFs40 Hz +8%
Qts0.27 –
Vas126.6 L +16%, worse
BL24.2 T·m +7%
Xmax9 mm −10%, worse
Sensitivity96.6 dB +1.9
FaitalPRO15FX600
£287.75 · 5% moreFs38 Hz –
Qts0.27 –
Vas128.3 L +17%, worse
BL23.2 T·m –
Xmax11.3 mm +13%, better
Sensitivity96 dB +1.3
Eighteen Sound15NLW9401
£288.50 · 5% moreFs40 Hz +8%
Qts0.25 −7%
Vas114 L +4%
BL20 T·m −12%, worse
Xmax10 mm –
Sensitivity96.5 dB +1.8
B&C15NA100
£303.88 · 10% more, worseFs47 Hz +27%, worse
Qts0.28 +4%
Vas88 L −20%, better
BL26.3 T·m +16%, better
Xmax10 mm –
Sensitivity97 dB +2.3, better
Sica15 S 4 PL
£304.73 · 11% more, worseFs40 Hz +7%
Qts0.32 +19%, worse
Vas127.6 L +16%, worse
BL22.5 T·m –
Xmax10 mm –
Sensitivity95.8 dB +1.1
Sica15 K 4 PL
£309.82 · 13% more, worseFs47 Hz +26%, worse
Qts0.30 +11%, worse
Vas102.3 L −7%
BL23.9 T·m +6%
Xmax8 mm −20%, worse
Sensitivity97.2 dB +2.5, better
B&C15SW100
£329.84 · 20% more, worseFs37 Hz –
Qts0.28 +4%
Vas99.5 L −9%
BL22.1 T·m –
Xmax12.5 mm +25%, better
Sensitivity94.4 dB –
FaitalPRO15HX500
£432.05 · 57% more, worseFs40 Hz +8%
Qts0.28 +4%
Vas150.1 L +37%, worse
BL22.2 T·m –
Xmax9.4 mm −6%
Sensitivity97.2 dB +2.5, better
B&C15CXN88
£494.86 · 80% more, worseFs47 Hz +27%, worse
Qts0.30 +11%, worse
Vas124 L +13%, worse
BL20.1 T·m −11%, worse
Xmax9.5 mm −5%
Sensitivity98.2 dB +3.5, better
B&C15HTX100
£778.27 · 183% more, worseFs52 Hz +41%, worse
Qts0.29 +7%
Vas78 L −29%, better
BL27 T·m +19%, better
Xmax10 mm –
Sensitivity97.6 dB +2.9, better
Oberton15XL700
No current priceFs45 Hz +22%, worse
Qts0.28 +4%
Vas117.0 L +7%
BL23.1 T·m –
Xmax8.8 mm −13%, worse
Sensitivity97.8 dB +3.1, better
Oberton15XL701
No current priceFs45 Hz +22%, worse
Qts0.28 +4%
Vas117.0 L +7%
BL23.1 T·m –
Xmax8.8 mm −13%, worse
Sensitivity97.8 dB +3.1, better
Oberton15XB1000
No current priceFs37 Hz –
Qts0.28 +5%
Vas111.0 L –
BL25.6 T·m +13%, better
Xmax9 mm −10%, worse
Sensitivity94.9 dB –
Oberton15XB700
No current priceFs37 Hz –
Qts0.28 +5%
Vas111.0 L –
BL25.6 T·m +13%, better
Xmax9 mm −10%, worse
Sensitivity94.9 dB –
No photo
PHL Audio6201MND
No current priceFs36 Hz –
Qts0.27 –
Vas140 L +28%, worse
BL25 T·m +10%, better
Xmax10.5 mm +5%
Sensitivity95.6 dB +0.9
Oberton15MB701
No current priceFs44 Hz +20%, worse
Qts0.27 –
Vas100.2 L −9%
BL26.1 T·m +15%, better
Xmax9.3 mm −8%
Sensitivity97 dB +2.3, better
Oberton15NXB1000
No current priceFs38 Hz +4%
Qts0.28 +5%
Vas105.5 L −4%
BL26.0 T·m +15%, better
Xmax9 mm −10%, worse
Sensitivity95.1 dB –
Oberton15NXB700
No current priceFs38 Hz +4%
Qts0.28 +5%
Vas105.5 L −4%
BL26.0 T·m +15%, better
Xmax9 mm −10%, worse
Sensitivity95.1 dB –
Oberton15NXL701
No current priceFs43 Hz +17%, worse
Qts0.30 +11%, worse
Vas127.1 L +16%, worse
BL21.7 T·m −4%
Xmax9.3 mm −8%
Sensitivity97.3 dB +2.6, better
No photo
PHL Audio6301MND
No current priceFs36 Hz –
Qts0.26 −4%
Vas140 L +28%, worse
BL25.5 T·m +12%, better
Xmax10.5 mm +5%
Sensitivity95.7 dB +1
CelestionFTR15-4080HDX
No current priceFs40 Hz +8%
Qts0.32 +19%, worse
Vas111.2 L –
BL23.1 T·m –
Xmax10.1 mm –
Sensitivity95 dB –
Sica15 SR 4 CP
No current priceFs34 Hz −8%
Qts0.29 +7%
Vas101.2 L −8%
BL25.0 T·m +10%, better
Xmax8 mm −20%, worse
Sensitivity93.3 dB −1.4
BMS15S435
No current priceFs38 Hz –
Qts0.28 +4%
Vas129 L +18%, worse
BL24.4 T·m +8%
Xmax8 mm −20%, worse
Sensitivity95.9 dB +1.2
Tune the match
Choose the published values that matter to your design. Size stays matched to this driver.
Qts
Qes
VasL
Xmaxmm
BLTm
| Shop | Price | Against the lowest | Stock | Link |
|---|---|---|---|---|
Audio Video Parts Import VAT and duty may apply | £224.68 | Special order | Visit shop at Audio Video Parts |