Hornresp
.txt · Hornresp driver database
Driver file ready to place in Hornresp’s Drivers folder.
Download for HornrespCelestion TSQ2145 8Ω
LF DriverMedia
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Overview
LF DriverTSQ2145 series
Celestion
Celestion TSQ2145
Celestion TSQ2145 is a 21" 8 ohm LF driver rated at 1800W RMS. The validated T/S data includes Fs 30Hz, Qts 0.34, Vas 253.8L, Xmax 15mm, sensitivity 94.8dB, plus 2493cm³ Vd and 84 EBP. bits tracks UK vendor pricing, price movement, datasheet links, simulator import data, and similar drivers, with a current best price of £445.00.
Size
21"
Impedance
8Ω
RMS Power
1800W
Sensitivity
94.8dB
97.0dBmanufacturer; using T/S-derived value (2.2dB delta).
EBP
84
Either alignment
Vd
2493cm³
Datasheet traces
Frequency and impedance curves traced from the manufacturer PDF.
LF frequency response101 ptsp1medium
Curve provenanceInspect 1 traceHide details
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
101 plotted pointsMedium confidence121 selected pixels of 211
Frequency response
Manufacturer-provided response plots and related charts.
T/S Parameters
Valid
Fs30Hz
Qts0.34
Qes0.36
Qms8.4
Vas253.8L
Re5.0Ω
Le3.91mH
BL33.8Tm
Sd1662cm²
Mms435g
Xmax15.0mm
SPL95dB
Power1800W
Impedance8Ω
Voice Coil115mm
Pricing & availability
Price definitionsPrice movement
Other offers
2 vendorsleanaudio
Updated 11 Sept 2026· 8Ω
Source: inc VAT · 20%
£456.00
inc VAT
Back order
partsexpress
Updated 11 Sept 2026· 8Ω
Source: ex VAT
£517.01
inc VAT
1 in stock
Best current price
Updated 17 May 2026
leanbusiness
£445.00
Avg £481.01£36.01 below avg (-7.5%)
inc VAT
Use this driver
Open it in 00 Simulator, download it for your enclosure tool, or copy the specification values.
Files use canonical values. Required mechanical fields are derived only where the target format needs them.
WinISD
.wdr · WinISD driver editor
Native WinISD driver record with the required SI conversions.
Download for WinISDBASTA!
.bastaelement · BASTA! loudspeaker simulator
Native BASTA! element file using its documented SI-unit fields.
Download for BASTA!VituixCAD
.wdr · VituixCAD 2 Enclosure
A WinISD driver file that VituixCAD imports directly.
Download for VituixCAD00 Simulator
Direct import · Web app
Start a new enclosure simulation with this driver already loaded.
Open in 00 SimulatorCopy spec sheet
Plain text · Clipboard
Copy the available values as a clean label-and-value list.
Dimensions & Physical
Weight13.8kg
Diameter541.0mm
Overall Depth250.0mm
Cutout Diameter505.0mm
Bolt Circle Diameter528.0mm
Similar Drivers
Size stays fixed. Tune the T/S ranges to change what counts as a match, or add a specific driver to compare it directly.
Reference
Celestion
TSQ2145
21"
Best current price
£445.00
Compare on
Matches sit inside every range. Size stays fixed automatically.
5 active T/S params, plus size. Pin a driver to open a side-by-side comparison.
12 matches
Compare a specific driver
Added drivers stay at the front of the list, whatever the ranges say.
76%
Similarity
23% cheaper£343.60
SB Audience
NERO-21SW1100D
21"
Lower price
Xmax12.2mm-19%
Qts0.34-1%
BL30Tm-11%
Vas312.6L+23%
Qes0.35-3%
51%
Similarity
17% cheaper£371.37
RCF
LF21N451
21"
Lower price
Xmax13mm-13%
Qts0.26-24%
BL34.5Tm+2%
Vas375L+48%
Qes0.27-25%
69%
Similarity
13% cheaper£389.00
RCF
LF21X451
21"
Lower price
Xmax14mm-7%
Qts0.37+8%
BL30.5Tm-10%
Vas385L+52%
Qes0.39+9%
65%
Similarity
10% cheaper£399.00
Lavoce
SAN214.50
21"
Lower price
Xmax15.4mm+3%
Qts0.28-19%
BL39.6Tm+17%
Vas218.3L-14%
Qes0.29-19%
63%
Similarity
4% cheaper£425.00
Beyma
21QLEX1600FE
21"
Lower price
Xmax13mm-13%
Qts0.28-19%
BL36.4Tm+8%
Vas309L+22%
Qes0.3-16%
71%
Similarity
4% cheaper£428.34
BishopSound
BWN21/4
21"
Lower price
Xmax15mm0%
Qts0.42+22%
BL32.6Tm-4%
Vas244.2L-4%
Qes0.46+27%
71%
Similarity
4% cheaper£428.34
BishopSound
BWN21/8
21"
Lower price
Xmax15mm0%
Qts0.42+22%
BL32.6Tm-4%
Vas244.2L-4%
Qes0.46+27%
77%
Similarity
8% more£481.99
B&C
21SW115
21"
Higher price
Xmax14mm-7%
Qts0.36+5%
BL24.8Tm-27%
Vas278L+10%
Qes0.37+3%
75%
Similarity
8% more£481.99
B&C
21SW115
21"
Higher price
Xmax14mm-7%
Qts0.37+8%
BL30.1Tm-11%
Vas318L+25%
Qes0.39+9%
83%
Similarity
11% more£492.21
Eighteen Sound
21LW2600
21"
Higher price
Xmax14.6mm-3%
Qts0.33-4%
BL32.5Tm-4%
Vas333L+31%
Qes0.34-5%
57%
Similarity
12% more£497.00
B&C
21DS115
21"
Higher price
Xmax16.5mm+10%
Qts0.27-22%
BL39.3Tm+16%
Vas204L-20%
Qes0.28-22%
Image unavailable
85%
Similarity
28% more£569.00
Precision Devices
PD.2155-1N
21"
Higher price
Xmax14mm-7%
Qts0.36+5%
BL30Tm-11%
Vas241L-5%
Qes0.37+4%