- Net volume
- 70L
- Tuning
- 55Hz
Eighteen Sound gives the volume and tuning; the port is sized for the driver when you open it.
15-inch LF driver · 600 W
Eighteen Sound 15NTLW2500 8Ω
8 Ω · 45–3200 Hz
No current price
- Fs
- 45Hz
- Xmax
- 8mm
- SPL
- 98dB
- Pe
- 600W
- BL
- 21.2T·m
- Vd
- 705cm³
- Qts
- 0.30
- Vas
- 143L
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 1 trace
These plotted lines are Bits digitizations of manufacturer evidence, not new measurements. How provenance works
- Trace datasheet-response-trace-poc/v1
frequency response
Frequency response
240 plotted pointsMedium confidence566 selected pixels of 847
Published graphs
Eighteen Sound 15NTLW2500 is a 15-inch 8 ohm LF driver rated at 600 W RMS. The validated T/S data includes Fs 45 Hz, Qts 0.30, Vas 143 L, Xmax 8 mm, sensitivity 98.3 dB, plus 705 cm³ Vd and 145 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
- 45Hz
- Qts
- 0.30
- Qes
- 0.31
- Qms
- 8.9
- Vas
- 143L
- Re
- 5.1Ω
- Le
- 0.65mH
Motor and cone
- BL
- 21.2T·m
- Sd
- 881cm²
- Mms
- 95g
- Xmax
- 8mm
- Vd †
- 705cm³
Power and response
- Sensitivity †
- 98.3dB
- Manufacturer sensitivity
- 100.5dB
- Power
- 600W
- Nominal power
- 600W
- Impedance
- 8Ω
- Range
- 45–3200Hz
- EBP †
- 145 · Leans vented
Size and mounting
- Diameter
- 393mm
- Cutout
- 355mm
- Bolt circle
- 371mm
- Depth
- 210mm
- Weight
- 3.8kg
Other published values
- Power Program
- 1200
Sensitivity shows 98.3 dB, calculated from the T/S values. Eighteen Sound publishes 100.5 dB, 2.2 dB apart.
† Calculated by bits from the published values
What this validation status means
Everything else Eighteen Sound lists
LF · Primary · 15″
- BL
- 21.2T·m
- Fs
- 45Hz
- Le
- 0.65mH
- Re
- 5.1Ω
- Sd
- 881cm²
- Mms
- 95g
- Qes
- 0.31
- Qms
- 8.9
- Qts
- 0.30
- SPL
- 98.3dB
- Vas
- 143L
- Xmax
- 8mm
- Power
- 600W
- Impedance
- 8Ω
- Sensitivity
- 100.5dB
- Low limit
- 45Hz
- Nominal power
- 600W
- Power Program
- 1200
- Calculated sensitivity †
- 98.3dB
- High limit
- 3200Hz
- Manufacturer sensitivity
- 100.5dB
- Weight
- 3.8kg
- Diameter
- 393mm
- Depth
- 210mm
- Cutout
- 355mm
- Bolt circle
- 371mm
02
Designs
What Eighteen Sound suggests for the 15NTLW2500. No published designs name it yet.
How we find designsEighteen Sound’s suggested box
From Eighteen Sound’s 15NTLW2500 page
Open this box in 00 Simulator
Modelling the box in 00 Simulator…
03
Compare
Same-size drivers, compared with the 15NTLW2500. Clear differences are green when better and red when worse.
This driver15NTLW2500
Best price
–
Fs
45 Hz
Qts
0.30
Vas
143 L
BL
21.2 T·m
Xmax
8 mm
Sensitivity
98.3 dB
Power
600 W
B&C15CL76
£127.74Fs42 Hz −7%
Qts0.33 +10%, worse
Vas135 L −6%
BL21 T·m –
Xmax7 mm −13%, worse
Sensitivity96.7 dB −1.6
SB AudienceROSSO-15W400
£134.56Fs44 Hz –
Qts0.33 +10%, worse
Vas140.1 L –
BL21.5 T·m –
Xmax8.3 mm +3%
Sensitivity97.5 dB −0.8
BMS15S330
£194.97Fs39 Hz −13%, better
Qts0.32 +7%
Vas152 L +6%
BL23 T·m +8%
Xmax8 mm –
Sensitivity96.3 dB −2, worse
B&C15PZB100
£199.99Fs39 Hz −13%, better
Qts0.29 −3%
Vas110 L −23%, better
BL25.8 T·m +22%, better
Xmax8 mm –
Sensitivity95.4 dB −2.9, worse
Precision DevicesPD.154C001
£219.00Fs45 Hz –
Qts0.31 +4%
Vas128 L −10%, better
BL25.5 T·m +20%, better
Xmax8.2 mm –
Sensitivity97.4 dB −0.9
B&C15NDL88
£225.24Fs45 Hz –
Qts0.34 +13%, worse
Vas126 L −12%, better
BL20.1 T·m −5%
Xmax8 mm –
Sensitivity97.1 dB −1.2
Sica15 PF 3
£234.41Fs45 Hz –
Qts0.31 +3%
Vas117.6 L −18%, better
BL21.9 T·m +4%
Xmax8 mm –
Sensitivity97.1 dB −1.2
Eighteen Sound15NW530
£243.16Fs43 Hz −4%
Qts0.33 +10%, worse
Vas154 L +8%
BL22 T·m +4%
Xmax7.5 mm −6%
Sensitivity97.5 dB −0.8
FaitalPRO15FX560
£245.00Fs38 Hz −16%, better
Qts0.30 –
Vas159 L +11%, worse
BL21.5 T·m –
Xmax9.4 mm +18%, better
Sensitivity96.5 dB −1.8
Eighteen Sound15MB1000
£259.50Fs48 Hz +7%
Qts0.31 +3%
Vas132.5 L −7%
BL21 T·m –
Xmax6 mm −25%, worse
Sensitivity98.6 dB –
Sica15 K 4 PL
£305.62Fs47 Hz +3%
Qts0.30 –
Vas102.3 L −28%, better
BL23.9 T·m +13%, better
Xmax8 mm –
Sensitivity97.2 dB −1.1
BMS15S435
£317.34Fs38 Hz −16%, better
Qts0.28 −7%
Vas129 L −10%
BL24.4 T·m +15%, better
Xmax8 mm –
Sensitivity95.9 dB −2.4, worse
Eighteen Sound15NLW9500
£376.79Fs35 Hz −22%, better
Qts0.32 +7%
Vas163 L +14%, worse
BL21.6 T·m –
Xmax9 mm +13%, better
Sensitivity95.2 dB −3.1, worse
FaitalPRO15HX500
£426.19Fs40 Hz −11%, better
Qts0.28 −7%
Vas150.1 L +5%
BL22.2 T·m +5%
Xmax9.4 mm +18%, better
Sensitivity97.2 dB −1.1
B&C15CXN88
£494.86Fs47 Hz +4%
Qts0.30 –
Vas124 L −13%, better
BL20.1 T·m −5%
Xmax9.5 mm +19%, better
Sensitivity98.2 dB –
Oberton15NMB500
No current priceFs45 Hz –
Qts0.29 –
Vas128.0 L −11%, better
BL21.3 T·m –
Xmax7.8 mm −3%
Sensitivity97.9 dB –
Oberton15NXL701
No current priceFs43 Hz −4%
Qts0.30 –
Vas127.1 L −11%, better
BL21.7 T·m –
Xmax9.3 mm +16%, better
Sensitivity97.3 dB −1
BMS15N830V2
No current priceFs37 Hz −18%, better
Qts0.27 −10%
Vas159 L +11%, worse
BL22.4 T·m +6%
Xmax8 mm –
Sensitivity96.5 dB −1.8
Oberton15B450 / 15B450A / 15B450A2
No current priceFs45 Hz –
Qts0.29 −5%
Vas146.8 L –
BL20.4 T·m −4%
Xmax6.8 mm −16%, worse
Sensitivity98.6 dB –
Eighteen Sound15ND730
No current priceFs44 Hz –
Qts0.29 −3%
Vas156 L +9%
BL21 T·m –
Xmax6.5 mm −19%, worse
Sensitivity98.5 dB –
FaneCOLOSSUS 15XB
No current priceFs38 Hz −16%, better
Qts0.32 +7%
Vas168 L +17%, worse
BL22.1 T·m +4%
Xmax7.5 mm −6%
Sensitivity96.4 dB −1.9
FaneCOLOSSUS 15SB
No current priceFs41 Hz −9%
Qts0.29 −3%
Vas151 L +6%
BL22.5 T·m +6%
Xmax6.5 mm −19%, worse
Sensitivity97.4 dB −0.9
CelestionFTR15-4080FD
No current priceFs35 Hz −21%, better
Qts0.28 −8%
Vas164.3 L +15%, worse
BL23.1 T·m +9%
Xmax8.5 mm +6%
Sensitivity95.9 dB −2.4, worse
No photo
PHL Audio5021M
No current priceFs32 Hz −29%, better
Qts0.30 –
Vas169 L +18%, worse
BL24 T·m +13%, better
Xmax7 mm −13%, worse
Sensitivity94.4 dB −3.9, worse
Sica15 SR 4 CP
No current priceFs34 Hz −24%, better
Qts0.29 −3%
Vas101.2 L −29%, better
BL25.0 T·m +18%, better
Xmax8 mm –
Sensitivity93.3 dB −5, worse
Precision DevicesPD.1550/2
No current priceFs46 Hz –
Qts0.29 −3%
Vas126.4 L −12%, better
BL26.6 T·m +26%, better
Xmax8.2 mm –
Sensitivity98.2 dB –
RCFMB15X351
No current priceFs46 Hz –
Qts0.31 +3%
Vas114 L −20%, better
BL22.8 T·m +8%
Xmax7 mm −13%, worse
Sensitivity97.3 dB −1
Oberton15B500
No current priceFs38 Hz −15%, better
Qts0.27 −11%, better
Vas145.8 L –
BL22.9 T·m +8%
Xmax7.3 mm −9%
Sensitivity96.8 dB −1.5
Oberton15XL700
No current priceFs45 Hz –
Qts0.28 −7%
Vas117.0 L −18%, better
BL23.1 T·m +9%
Xmax8.8 mm +9%
Sensitivity97.8 dB −0.5
Oberton15XL701
No current priceFs45 Hz –
Qts0.28 −7%
Vas117.0 L −18%, better
BL23.1 T·m +9%
Xmax8.8 mm +9%
Sensitivity97.8 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.