Hornresp
.txt · Hornresp driver database
Driver file ready to place in Hornresp’s Drivers folder.
Not enough T/S data
Missing Mms
Scanspeak 28W/4878T00 4Ω
LF DriverMedia
Auto-advancing
Overview
LF DriverRevelator series
Scanspeak
Scanspeak 28W/4878T00
Scanspeak 28W/4878T00 is a 12" 4 ohm LF driver rated at 200W RMS. The validated T/S data includes Fs 18Hz, Qts 0.30, Vas 127L, Xmax 14mm, sensitivity 85.7dB, plus 508cm³ Vd and 56 EBP. bits tracks UK vendor pricing, price movement, datasheet links, simulator import data, and similar drivers, with a current best price of £665.95.
Partial source evidence
Automated T/S checks passed, but some material low-frequency parameters are not published for this record.
Material fields not published: Mms
- Manufacturer page linked
- Datasheet linked
- Canonical units normalized for comparison
- Vd can be derived from Sd and Xmax
- EBP can be derived from Fs and Qes
Size
12"
Impedance
4Ω
RMS Power
200W
Sensitivity
85.7dB
88.0dBmanufacturer; using T/S-derived value (2.3dB delta).
EBP
56
Either alignment
Vd
508cm³
T/S Parameters
Valid
Fs18Hz
Qts0.30
Qes0.32
Qms5.6
Vas127.0L
Re3.1Ω
Le0.50mH
BL11.2Tm
Sd363cm²
Xmax14.0mm
SPL86dB
Power200W
Impedance4Ω
Min Impedance3.8Ω
Voice Coil75mm
Pricing & availability
Price definitionsPrice movement
Other offers
1 vendorsoundimports
Updated 11 Sept 2026
Source: inc VAT
£601.38
inc VAT
Out of stock
Best current price
Updated 11 Sept 2026
willyshifi
£665.95
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.
Not enough T/S data
Missing Mms
BASTA!
.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.
Not enough T/S data
Missing Mms
00 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
Diameter280.0mm
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
28W/4878T00
12"
Best current price
£665.95
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.
6 matches
Compare a specific driver
Added drivers stay at the front of the list, whatever the ranges say.
78%
Similarity
71% cheaper£192.30
Eminence
LAB 12C
12"
Lower price
Xmax13mm-7%
Qts0.33+10%
BL13.4Tm+19%
Vas128.3L+1%
Qes0.34+6%
69%
Similarity
50% cheaper£335.95
Scanspeak
30W/4558T00
12"
Lower price
Xmax12.5mm-11%
Qts0.32+7%
BL10.5Tm-6%
Vas197L+55%
Qes0.34+6%
83%
Similarity
Acoustic Elegance
TD12X-4
12"
Xmax14mm0%
Qts0.28-7%
BL10.1Tm-10%
Vas160L+26%
Qes0.31-3%
75%
Similarity
Acoustic Elegance
TD12S-4
12"
Xmax14mm0%
Qts0.34+13%
BL10.8Tm-4%
Vas160L+26%
Qes0.38+19%
68%
Similarity
Acoustic Elegance
TD12S-8
12"
Xmax14mm0%
Qts0.34+13%
BL13.3Tm+19%
Vas160L+26%
Qes0.38+19%
56%
Similarity
Acoustic Elegance
TD12H-4
12"
Xmax14mm0%
Qts0.23-23%
BL14.4Tm+29%
Vas160L+26%
Qes0.25-22%