Dayton AudioDC380-8
£86.01 · 28% less, betterFs19 Hz −55%, better
Qts0.30 +7%
Vas391.4 L +141%, worse
BL20.4 T·m −4%
Xmax4.3 mm +9%
Sensitivity90.9 dB −7, worse
15-inch LF driver · TF1530 series · 75 mm voice coil · 400 W
Celestion TF1530 8Ω
8 Ω · 40–3000 Hz
- Fs
- 42Hz
- Xmax
- 4mm
- SPL
- 98dB
- Pe
- 400W
- BL
- 21.2T·m
- Vd
- 342cm³
- Qts
- 0.28
- Vas
- 162L
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
LF frequency response
Frequency response
137 plotted pointsMedium confidence202 selected pixels of 379
Published graphs
Celestion TF1530 is a 15-inch 8 ohm LF driver rated at 400 W RMS. The validated T/S data includes Fs 42 Hz, Qts 0.28, Vas 162.2 L, Xmax 4 mm, sensitivity 97.9 dB, plus 342 cm³ Vd and 134 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 £118.90.
The published T/S values agree with each other
Thiele/Small
- Fs
- 42Hz
- Qts
- 0.28
- Qes
- 0.31
- Qms
- 2.7
- Vas
- 162.2L
- Re
- 5.8Ω
- Le
- 0.96mH
Motor and cone
- BL
- 21.2T·m
- Sd
- 855cm²
- Mms
- 92g
- Xmax
- 4mm
- Vd †
- 342cm³
- Voice coil
- 75mm
Power and response
- Sensitivity †
- 97.9dB
- Manufacturer sensitivity
- 99dB
- Power
- 400W
- Impedance
- 8Ω
- Range
- 40–3000Hz
- EBP †
- 134 · Leans vented
Size and mounting
- Diameter
- 385mm
- Cutout
- 352mm
- Bolt circle
- 369mm
- Depth
- 163mm
- Weight
- 6.9kg
Other published values
- Cms
- 0.16mm/N
- Rms
- 8.87kg/s
- Power Program
- 800
Sensitivity shows 97.9 dB, calculated from the T/S values. Celestion publishes 99.0 dB, 1.1 dB apart.
† Calculated by bits from the published values
What this validation status means
Everything else Celestion lists
LF · Primary · 15″
- BL
- 21.2T·m
- Fs
- 42Hz
- Le
- 0.96mH
- Re
- 5.8Ω
- Sd
- 855cm²
- Cms
- 0.16mm/N
- Mms
- 92g
- Qes
- 0.31
- Qms
- 2.7
- Qts
- 0.28
- Rms
- 8.87kg/s
- SPL
- 97.9dB
- Vas
- 162.2L
- Xmax
- 4mm
- Power
- 400W
- Impedance
- 8Ω
- Sensitivity
- 99dB
- Low limit
- 40Hz
- Power Program
- 800
- Calculated sensitivity †
- 97.9dB
- High limit
- 3000Hz
- Manufacturer sensitivity
- 99dB
- Voice coil
- 75mm
- Weight
- 6.9kg
- Diameter
- 385mm
- Depth
- 163mm
- Cutout
- 352mm
- Bolt circle
- 369mm
02
Compare
Same-size drivers, compared with the TF1530. Clear differences are green when better and red when worse.
This driverTF1530
Best price
£118.90
Fs
42 Hz
Qts
0.28
Vas
162.2 L
BL
21.2 T·m
Xmax
4 mm
Sensitivity
97.9 dB
Power
400 W
EminenceKAPPA PRO-15LF
£166.34 · 40% more, worseFs35 Hz −17%, better
Qts0.30 +7%
Vas198.8 L +23%, worse
BL21.6 T·m –
Xmax6.7 mm +68%, better
Sensitivity96.3 dB −1.6
B&C15CLA76
£170.21 · 43% more, worseFs40 Hz −5%
Qts0.30 +7%
Vas176 L +9%
BL19.8 T·m −7%
Xmax5.5 mm +38%, better
Sensitivity97.6 dB –
B&C15PS76
£184.00 · 55% more, worseFs38 Hz −10%
Qts0.26 −7%
Vas164 L –
BL22.1 T·m +4%
Xmax7.5 mm +88%, better
Sensitivity97.1 dB −0.8
B&C15PLB76
£191.58 · 61% more, worseFs42 Hz –
Qts0.25 −11%, better
Vas164 L –
BL22.1 T·m +4%
Xmax5 mm +25%, better
Sensitivity98.7 dB +0.8
BMS15S320
£208.72 · 76% more, worseFs41 Hz –
Qts0.28 –
Vas154 L −5%
BL23.3 T·m +10%
Xmax4.5 mm +13%, better
Sensitivity97.7 dB –
FaitalPRO15FX560
£245.00 · 106% more, worseFs38 Hz −10%
Qts0.30 +7%
Vas159 L –
BL21.5 T·m –
Xmax9.4 mm +136%, better
Sensitivity96.5 dB −1.4
Eighteen Sound15MB1000
£259.50 · 118% more, worseFs48 Hz +14%, worse
Qts0.31 +10%, worse
Vas132.5 L −18%, better
BL21 T·m –
Xmax6 mm +50%, better
Sensitivity98.6 dB +0.7
Sica15 K 3 PL
£272.13 · 129% more, worseFs40 Hz −5%
Qts0.27 −4%
Vas166.1 L –
BL21.4 T·m –
Xmax6.5 mm +63%, better
Sensitivity97.8 dB –
Eighteen Sound15LW1500
£315.00 · 165% more, worseFs34 Hz −19%, better
Qts0.28 –
Vas195 L +20%, worse
BL22.1 T·m +4%
Xmax9 mm +125%, better
Sensitivity96.2 dB −1.7
Eighteen Sound15NLW9500
£376.79 · 217% more, worseFs35 Hz −17%, better
Qts0.32 +14%, worse
Vas163 L –
BL21.6 T·m –
Xmax9 mm +125%, better
Sensitivity95.2 dB −2.7, worse
FaitalPRO15HX500
£426.19 · 258% more, worseFs40 Hz −5%
Qts0.28 –
Vas150.1 L −7%
BL22.2 T·m +5%
Xmax9.4 mm +135%, better
Sensitivity97.2 dB −0.7
B&C15CXN88
£494.86 · 316% more, worseFs47 Hz +12%, worse
Qts0.30 +7%
Vas124 L −24%, better
BL20.1 T·m −5%
Xmax9.5 mm +138%, better
Sensitivity98.2 dB –
Eighteen Sound15MB650
No current priceFs40 Hz −5%
Qts0.26 −7%
Vas210 L +29%, worse
BL20 T·m −6%
Xmax4 mm –
Sensitivity99 dB +1.1
Eighteen Sound15ND730
No current priceFs44 Hz +5%
Qts0.29 +3%
Vas156 L −4%
BL21 T·m –
Xmax6.5 mm +63%, better
Sensitivity98.5 dB +0.6
CelestionTN1530
No current priceFs43 Hz –
Qts0.32 +12%, worse
Vas156.6 L −3%
BL19.3 T·m −9%
Xmax3.8 mm −6%
Sensitivity97.3 dB −0.6
Eighteen Sound15ND940
No current priceFs38 Hz −10%
Qts0.28 –
Vas174 L +7%
BL21.9 T·m +3%
Xmax9.5 mm +138%, better
Sensitivity97.2 dB −0.7
CelestionNTR15-3018E
No current priceFs35 Hz −17%, better
Qts0.28 –
Vas207.3 L +28%, worse
BL21.1 T·m –
Xmax5 mm +25%, better
Sensitivity96.7 dB −1.2
CelestionFTX1530
No current priceFs43 Hz –
Qts0.28 –
Vas172.1 L +6%
BL20.2 T·m −5%
Xmax6 mm +50%, better
Sensitivity98.5 dB +0.6
CelestionFTR15-4080FD
No current priceFs35 Hz −16%, better
Qts0.28 –
Vas164.3 L –
BL23.1 T·m +9%
Xmax8.5 mm +113%, better
Sensitivity95.9 dB −2, worse
Oberton15B450 / 15B450A / 15B450A2
No current priceFs45 Hz +7%
Qts0.29 –
Vas146.8 L −9%
BL20.4 T·m −4%
Xmax6.8 mm +69%, better
Sensitivity98.6 dB +0.7
BMS15N820
No current priceFs39 Hz −7%
Qts0.26 −7%
Vas159 L –
BL24.2 T·m +14%, better
Xmax4.5 mm +13%, better
Sensitivity97.5 dB –
Eighteen Sound15NTLW2500
No current priceFs45 Hz +7%
Qts0.30 +7%
Vas143 L −12%, better
BL21.2 T·m –
Xmax8 mm +100%, better
Sensitivity98.3 dB –
FaneCOLOSSUS 15SB
No current priceFs41 Hz –
Qts0.29 +3%
Vas151 L −7%
BL22.5 T·m +6%
Xmax6.5 mm +63%, better
Sensitivity97.4 dB −0.5
BMS15N830V2
No current priceFs37 Hz −12%, better
Qts0.27 −4%
Vas159 L –
BL22.4 T·m +6%
Xmax8 mm +100%, better
Sensitivity96.5 dB −1.4
Eighteen Sound15W600
No current priceFs38 Hz −10%
Qts0.29 +3%
Vas183 L +13%, worse
BL20.5 T·m −3%
Xmax6.5 mm +63%, better
Sensitivity97.3 dB −0.6
Oberton15NMB500
No current priceFs45 Hz +7%
Qts0.29 +4%
Vas128.0 L −21%, better
BL21.3 T·m –
Xmax7.8 mm +94%, better
Sensitivity97.9 dB –
Oberton15NSW600
No current priceFs37 Hz −13%, better
Qts0.29 +4%
Vas148.4 L −9%
BL23.4 T·m +10%, better
Xmax14.3 mm +256%, better
Sensitivity95.8 dB −2.1, worse
Oberton15NXL701
No current priceFs43 Hz +3%
Qts0.30 +7%
Vas127.1 L −22%, better
BL21.7 T·m –
Xmax9.3 mm +131%, better
Sensitivity97.3 dB −0.6
No photo
PHL Audio5021M
No current priceFs32 Hz −24%, better
Qts0.30 +7%
Vas169 L +4%
BL24 T·m +13%, better
Xmax7 mm +75%, better
Sensitivity94.4 dB −3.5, worse
Tune the match
Choose the published values that matter to your design. Size stays matched to this driver.
Qts
Qes
VasL
Xmaxmm
BLTm
- Thomann4.8 out of 512 ratings · Checked 26 Oct 2026Read reviews on Thomann
- Parts Express5.0 out of 52 ratings · Checked 26 Oct 2026Read reviews on Parts Express
Each shop collects its own ratings. Bits shows them as published and doesn't verify them.
| Shop | Price | Against the lowest | Stock | Link |
|---|---|---|---|---|
Thomann | £124.00, the lowest price | In stock | Visit shop at Thomann | |
Lean Business | £127.50 | 2.8% above the lowest price | Stock not listed | Visit shop at Lean Business |
Lean Audio | £127.50 | 2.8% above the lowest price | In stock | Visit shop at Lean Audio |
Parts Express Import VAT and duty may apply | £126.42 | 2.0% above the lowest price | 2 in stock | Visit shop at Parts Express |
Best price over time
Tracked since 1 Apr
Recent changes
- 25 OctThomann£126.00 → £124.00Down 1.6% from £126.00
- 9 OctThomann£127.00 → £126.00Down 0.8% from £127.00
- 15 SepThomann£128.00 → £127.00Down 0.8% from £128.00