Hornresp
.txt · Hornresp driver database
Driver file ready to place in Hornresp’s Drivers folder.
Download for HornrespScanspeak 32W/4878T01 4Ω
LF DriverMedia
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Overview
LF DriverRevelator series
Scanspeak
Scanspeak 32W/4878T01
Scanspeak 32W/4878T01 is a 12" 4 ohm LF driver rated at 150W RMS. The validated T/S data includes Fs 23Hz, Qts 0.28, Vas 170L, Xmax 7mm, sensitivity 90.4dB, plus 372cm³ Vd and 77 EBP. bits tracks vendor pricing, datasheet links, simulator import data, and similar drivers from the same loudspeaker database.
Size
12"
Impedance
4Ω
RMS Power
150W
Sensitivity
90.4dB
92.0dBmanufacturer; using T/S-derived value (1.6dB delta).
EBP
77
Either alignment
Vd
372cm³
T/S Parameters
Valid
Fs23Hz
Qts0.28
Qes0.30
Qms6.0
Vas170.0L
Re3.1Ω
Le0.30mH
BL13.0Tm
Sd531cm²
Mms112g
Xmax7.0mm
SPL90dB
Power150W
Impedance4Ω
Voice Coil75mm
Pricing & availability
Price definitionsVendor offers
1 vendorsoundimports
Updated 11 Sept 2026
Source: inc VAT
£601.38
inc VAT
Out of stock
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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.
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Dimensions & Physical
Diameter320.0mm
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
Scanspeak
32W/4878T01
12"
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.
77%
Similarity
Scanspeak
28W/4878T01
12"
Xmax7mm0%
Qts0.26-7%
BL12Tm-8%
Vas104L-39%
Qes0.27-10%
75%
Similarity
Acoustic Elegance
TD12M-4
12"
Xmax6mm-14%
Qts0.25-11%
BL11.9Tm-8%
Vas140L-18%
Qes0.29-3%
71%
Similarity
Dayton Audio
SD315A-88
12"
Xmax7mm0%
Qts0.33+18%
BL11.9Tm-9%
Vas151.7L-11%
Qes0.37+23%
70%
Similarity
PRV Audio
12MB1000FT-4
12"
Xmax6.1mm-12%
Qts0.27-4%
BL14.5Tm+12%
Vas95.5L-44%
Qes0.28-7%
70%
Similarity
£113.81
CIARE
HW321
12"
Xmax7.3mm+4%
Qts0.33+18%
BL13.2Tm+1%
Vas205L+21%
Qes0.37+23%
69%
Similarity
Scanspeak
28W/8878T01
12"
Xmax7.5mm+7%
Qts0.31+11%
BL14.9Tm+15%
Vas116L-32%
Qes0.33+10%
66%
Similarity
Celestion
FTR12-4075F
12"
Xmax9mm+29%
Qts0.27-3%
BL12.6Tm-3%
Vas89.2L-48%
Qes0.29-3%
65%
Similarity
Scanspeak
32W/8878T11
12"
Xmax7.5mm+7%
Qts0.26-7%
BL16.5Tm+27%
Vas235L+38%
Qes0.28-7%
64%
Similarity
£194.30
FaitalPRO
12FH520
12"
Xmax7.3mm+4%
Qts0.29+4%
BL17.3Tm+33%
Vas73.7L-57%
Qes0.30%
63%
Similarity
£106.55
SB Audience
ROSSO-12MW300
12"
Xmax6.7mm-5%
Qts0.27-4%
BL17.4Tm+34%
Vas85.9L-49%
Qes0.28-7%
62%
Similarity
£122.29
Beyma
12WRS400
12"
Xmax6.3mm-10%
Qts0.29+4%
BL17.4Tm+34%
Vas91L-46%
Qes0.31+3%
62%
Similarity
Audio Technology
12 B 77 25 10
12"
Xmax8.6mm+23%
Qts0.3+7%
BL12.4Tm-5%
Vas250L+47%
Qes0.34+13%