BishopSoundBSP15
£59.99 · 42% less, betterFs45 Hz −8%
Qts0.83 +9%
Vas137.9 L –
BL13.5 T·m −6%
Xmax4 mm −16%, worse
Sensitivity93.7 dB −1.3
15-inch LF driver · TRUVOX series · 64 mm voice coil · 400 W
Celestion TRUVOX 1525 8Ω
8 Ω · 40–4000 Hz
£108.00
0.9%Thomann · In stock · All 3 offers
- Fs
- 49Hz
- Xmax
- 4.8mm
- SPL
- 95dB
- Pe
- 400W
- BL
- 14.3T·m
- Vd
- 406cm³
- Qts
- 0.76
- Vas
- 135L
Published graphs
Celestion TRUVOX 1525 is a 15-inch 8 ohm LF driver rated at 400 W RMS. The validated T/S data includes Fs 49 Hz, Qts 0.76, Vas 135.4 L, Xmax 4.8 mm, sensitivity 95 dB, plus 406 cm³ Vd and 61 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 £103.98.
The published T/S values agree with each other
Thiele/Small
- Fs
- 49Hz
- Qts
- 0.76
- Qes
- 0.80
- Qms
- 12.9
- Vas
- 135.4L
- Re
- 6.6Ω
- Le
- 0.70mH
Motor and cone
- BL
- 14.3T·m
- Sd
- 855cm²
- Mms
- 81g
- Xmax
- 4.8mm
- Vd †
- 406cm³
- Voice coil
- 64mm
Power and response
- Sensitivity †
- 95dB
- Manufacturer sensitivity
- 96dB
- Power
- 400W
- Impedance
- 8Ω
- Range
- 40–4000Hz
- EBP †
- 61 · Sealed or vented
Size and mounting
- Diameter
- 384mm
- Cutout
- 352mm
- Bolt circle
- 372mm
- Depth
- 151.7mm
- Weight
- 4.8kg
Other published values
- Cms
- 0.13mm/N
- Rms
- 1.92kg/s
- Power Program
- 800
Sensitivity shows 95.0 dB, calculated from the T/S values. Celestion publishes 96.0 dB, 1.0 dB apart.
† Calculated by bits from the published values
What this validation status means
Everything else Celestion lists
LF · Primary · 15″
- BL
- 14.3T·m
- Fs
- 49Hz
- Le
- 0.70mH
- Re
- 6.6Ω
- Sd
- 855cm²
- Cms
- 0.13mm/N
- Mms
- 81g
- Qes
- 0.80
- Qms
- 12.9
- Qts
- 0.76
- Rms
- 1.92kg/s
- SPL
- 95dB
- Vas
- 135.4L
- Xmax
- 4.8mm
- Power
- 400W
- Impedance
- 8Ω
- Sensitivity
- 96dB
- Low limit
- 40Hz
- Power Program
- 800
- Calculated sensitivity †
- 95dB
- High limit
- 4000Hz
- Manufacturer sensitivity
- 96dB
- Voice coil
- 64mm
- Weight
- 4.8kg
- Diameter
- 384mm
- Depth
- 151.7mm
- Cutout
- 352mm
- Bolt circle
- 372mm
02
Compare
Same-size drivers, compared with the TRUVOX 1525. Clear differences are green when better and red when worse.
This driverTRUVOX 1525
Best price
£103.98
Fs
49 Hz
Qts
0.76
Vas
135.4 L
BL
14.3 T·m
Xmax
4.8 mm
Sensitivity
95 dB
Power
400 W
PeerlessFSL-1520R02-08
£66.20 · 36% less, betterFs43 Hz −12%, better
Qts0.70 −7%
Vas203 L +50%, worse
BL11.8 T·m −17%, worse
Xmax6.0 mm +26%, better
Sensitivity95.4 dB –
CelestionTF1525
£79.00 · 24% less, betterFs48 Hz –
Qts0.49 −35%, better
Vas148.4 L +10%
BL14.6 T·m –
Xmax4.5 mm −5%
Sensitivity96.6 dB +1.6
SB AudienceBIANCO-15MW200
£79.50 · 24% less, betterFs44 Hz −10%, better
Qts0.58 −23%, better
Vas153.3 L +13%, worse
BL15.9 T·m +11%, better
Xmax5.9 mm +25%, better
Sensitivity95.3 dB –
£92.00 · 12% less, better
Fs41 Hz −16%, better
Qts0.57 −25%, better
Vas210 L +55%, worse
BL13.5 T·m −5%
Xmax4.6 mm −3%
Sensitivity95.7 dB +0.7
MonacorSP-382PA
£92.94 · 11% less, betterFs25 Hz −49%, better
Qts0.75 –
Vas270 L +99%, worse
BL10.9 T·m −24%, worse
Xmax3.5 mm −26%, worse
Sensitivity88.3 dB −6.7, worse
CelestionTF1525E
£99.00 · 5% lessFs48 Hz −3%
Qts0.47 −37%, better
Vas141.8 L +5%
BL17.8 T·m +25%, better
Xmax5.3 mm +11%, better
Sensitivity96.6 dB +1.6
PRV Audio15W1000
£104.62 · Same priceFs40 Hz −19%, better
Qts0.68 −10%, better
Vas206.1 L +52%, worse
BL14.5 T·m –
Xmax6.4 mm +34%, better
Sensitivity94.7 dB –
REDCATT15FHW
£108.01 · 4% moreFs24 Hz −51%, better
Qts0.60 −21%, better
Vas221.2 L +63%, worse
BL15.8 T·m +11%, better
Xmax4.8 mm –
Sensitivity88.9 dB −6.1, worse
MonacorTF1525E/4
£113.03 · 9% more, worseFs48 Hz −3%
Qts0.47 −37%, better
Vas141.8 L +5%
BL17.8 T·m +25%, better
Xmax5.3 mm +11%, better
Sensitivity96.6 dB +1.6
EminenceLEGEND CA154
£132.42 · 27% more, worseFs51 Hz +4%
Qts0.49 −35%, better
Vas108.2 L −20%, better
BL12.2 T·m −14%, worse
Xmax5 mm +5%
Sensitivity96.3 dB +1.3
BishopSoundBWP15/8/V2
£159.00 · 53% more, worseFs47 Hz −4%
Qts0.72 −5%
Vas87.6 L −35%, better
BL17.8 T·m +25%, better
Xmax10.3 mm +117%, better
Sensitivity92.8 dB −2.2, worse
REDCATT152FIND-2
£159.51 · 53% more, worseFs44 Hz −10%, better
Qts0.37 −51%, better
Vas128.5 L −5%
BL18.3 T·m +28%, better
Xmax4.5 mm −6%
Sensitivity96.6 dB +1.6
REDCATT15FPM
£184.17 · 77% more, worseFs41 Hz −16%, better
Qts0.36 −52%, better
Vas134.9 L –
BL21.3 T·m +49%, better
Xmax4.5 mm −5%
Sensitivity95.9 dB +0.9
Dayton AudioUMII15-22
£318.14 · 206% more, worseFs29 Hz −41%, better
Qts0.70 −7%
Vas96 L −29%, better
BL14.6 T·m –
Xmax24 mm +405%, better
Sensitivity85.7 dB −9.3, worse
REDCATT155FIND
No current priceFs40 Hz −18%, better
Qts0.73 −3%
Vas166.5 L +23%, worse
BL14.4 T·m –
Xmax4.8 mm –
Sensitivity93.3 dB −1.7
CelestionTF1520
No current priceFs55 Hz +12%, worse
Qts0.72 −4%
Vas133.0 L –
BL12.5 T·m −13%, worse
Xmax3 mm −37%, worse
Sensitivity96.2 dB +1.2
B&C15CLX64
No current priceFs37 Hz −24%, better
Qts0.75 –
Vas227 L +68%, worse
BL11.5 T·m −19%, worse
Xmax5.3 mm +12%, better
Sensitivity93.6 dB −1.4
LavoceLBASS15-15
No current priceFs37 Hz −24%, better
Qts0.74 –
Vas284.8 L +110%, worse
BL9.9 T·m −31%, worse
Xmax4.7 mm –
Sensitivity94.2 dB −0.8
JensenC15K-8
No current priceFs71 Hz +45%, worse
Qts0.75 –
Vas75.8 L −44%, better
BL14.2 T·m –
Xmax1 mm −79%, worse
Sensitivity96.2 dB +1.2
Acoustic EleganceIB15HT-8
No current priceFs16 Hz −67%, better
Qts0.70 −7%
Vas440 L +225%, worse
BL12.5 T·m −12%, worse
Xmax18 mm +279%, better
Sensitivity85.7 dB −9.3, worse
No current price
Fs48 Hz –
Qts0.70 −7%
Vas203 L +50%, worse
BL11 T·m −23%, worse
Xmax3.5 mm −26%, worse
Sensitivity96.8 dB +1.8
P.Audio15BMA-500B
No current priceFs51 Hz +4%
Qts0.49 −35%, better
Vas121.2 L −10%, better
BL17.2 T·m +21%, better
Xmax5 mm +5%
Sensitivity96.9 dB +1.9
JensenBP15250-8
No current priceFs47 Hz −4%
Qts0.51 −33%, better
Vas133.1 L –
BL15.3 T·m +7%
Xmax3.4 mm −28%, worse
Sensitivity95.8 dB +0.8
P.AudioC15-400B-V2
No current priceFs42 Hz −14%, better
Qts0.55 −27%, better
Vas142.0 L +5%
BL15.6 T·m +9%
Xmax3.3 mm −32%, worse
Sensitivity94.4 dB −0.6
JensenBS15N350A-8
No current priceFs45 Hz −8%
Qts0.46 −39%, better
Vas163.1 L +20%, worse
BL15.2 T·m +7%
Xmax5.5 mm +16%, better
Sensitivity96.8 dB +1.8
P.AudioEX15-500S
No current priceFs45 Hz −8%
Qts0.43 −43%, better
Vas136 L –
BL18.8 T·m +32%, better
Xmax4.5 mm −5%
Sensitivity96.2 dB +1.2
CelestionTF1530SL
No current priceFs46 Hz −6%
Qts0.39 −49%, better
Vas140.1 L +3%
BL17.0 T·m +19%, better
Xmax4 mm −16%, worse
Sensitivity96.9 dB +1.9
P.Audio15BM-450B
No current priceFs50 Hz –
Qts0.44 −42%, better
Vas120.5 L −11%, better
BL19.2 T·m +34%, better
Xmax4.7 mm –
Sensitivity97.3 dB +2.3, better
P.Audio15FT-45MB
No current priceFs50 Hz –
Qts0.44 −42%, better
Vas120.5 L −11%, better
BL19.2 T·m +34%, better
Xmax4.7 mm –
Sensitivity97.3 dB +2.3, better
Tune the match
Choose the published values that matter to your design. Size stays matched to this driver.
Qts
Qes
VasL
Xmaxmm
BLTm
- Thomann4.7 out of 53 ratings · Checked 26 Oct 2026Read reviews on Thomann
- Parts Express5.0 out of 51 rating · 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 | £108.00, the lowest price | In stock | Visit shop at Thomann | |
Lean Audio | £99.00 | Back order | Visit shop at Lean Audio | |
Parts Express Import VAT and duty may apply | £103.98 | 2 in stock | Visit shop at Parts Express |
Best price over time
Tracked since 1 Apr
Recent changes
- 25 OctThomann£109.00 → £108.00Down 0.9% from £109.00
- 17 OctThomann£110.00 → £109.00Down 0.9% from £110.00
- 9 OctThomann£111.00 → £110.00Down 0.9% from £111.00