ALPHA 3-8

LF Driver
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Overview

LF DriverALPHA series
Eminence

ALPHA 3-8

Size
3"
Impedance
8Ω
RMS Power
30W
Sensitivity
89dB
EBP
223
Vented alignment
Vd
7cm³
Datasheet

T/S Parameters

Valid
Manufacturer
Fs118Hz
Qts0.50
Qes0.53
Qms7.9
Vas0.9L
Re5.1Ω
Le0.11mH
BL3.9Tm
Sd29cm²
Mms2g
Xmax2.4mm
SPL89dB
Power30W
Impedance8Ω
F Low150Hz
F High20000Hz

Pricing & availability

Price movement

Best current price

Updated 17 May 2026

bluearan
£21.47
inc VAT
Buy now

Dimensions & Physical

Weight0.4kg
Diameter101.1mm
Overall Depth44.7mm
Cutout Diameter77.2mm
Bolt Circle Diameter92.2mm

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ALPHA 3-8
Reference
Eminence
ALPHA 3-8
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Best current price
£21.47
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5 active T/S params, plus size.

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