5-inch LF driver · ALPHA series · 125 W

Eminence ALPHA 5-8 8Ω

Name: Eminence ALPHA 5-8 8 Ohm
Brand: Eminence
SKU: ALPHA 5-8

8 Ω · 87–3500 Hz

No price for delivery to the UK

All 1 offer

Open in 00 Simulator

Fs: 87Hz
Xmax: 5.9mm
SPL: 91dB
Pe: 125W
BL: 6.2T·m
Vd: 61cm³
Qts: 0.54
Vas: 6L

See all 24 specs

Specifications

Published by Eminence

Manufacturer page

Datasheet PDF

Eminence ALPHA 5-8 is a 5-inch 8 ohm LF driver rated at 125 W RMS. The validated T/S data includes Fs 87 Hz, Qts 0.54, Vas 6.1 L, Xmax 5.9 mm, sensitivity 90.6 dB, plus 61 cm³ Vd and 155 EBP. bits tracks vendor pricing, datasheet links, simulator import data, and similar drivers from the same loudspeaker database.

The published T/S values agree with each other

Thiele/Small

Fs: 87Hz
Qts: 0.54
Qes: 0.56
Qms: 11.8
Vas: 6.1L
Re: 5Ω
Le: 0.29mH

Motor and cone

BL: 6.2T·m
Sd: 103cm²
Mms: 8g
Xmax: 5.9mm
Vd †: 61cm³

Power and response

Sensitivity †: 90.6dB
Manufacturer sensitivity: 89.4dB
Power: 125W
Impedance: 8Ω
Range: 87–3500Hz
EBP †: 155 · Leans vented

Size and mounting

Diameter: 149.1mm
Cutout: 121.9mm
Depth: 73.9mm
Weight: 1.4kg

Other published values

Cms: 0.42mm/N
Power Program: 250

Sensitivity shows 90.6 dB, calculated from the T/S values. Eminence publishes 89.4 dB, 1.2 dB apart.

† Calculated by bits from the published values

What this validation status means

Everything else Eminence lists

LF · Primary · 5″

BL: 6.2T·m
Fs: 87Hz
Le: 0.29mH
Re: 5Ω
Sd: 103cm²
Cms: 0.42mm/N
Mms: 8g
Qes: 0.56
Qms: 11.8
Qts: 0.54
SPL: 90.6dB
Vas: 6.1L
Xmax: 5.9mm
Power: 125W
Impedance: 8Ω
Sensitivity: 89.4dB
Low limit: 87Hz
Power Program: 250
Calculated sensitivity †: 90.6dB
High limit: 3500Hz
Manufacturer sensitivity: 89.4dB
Weight: 1.4kg
Diameter: 149.1mm
Depth: 73.9mm
Cutout: 121.9mm

Compare

Same-size drivers, compared with the ALPHA 5-8. Clear differences are green when better and red when worse.

This driverALPHA 5-8

Best price

–

87 Hz

Qts

0.54

Vas

6.1 L

6.2 T·m

Xmax

5.9 mm

Sensitivity

90.6 dB

Power

125 W

Dayton AudioPA130-8

£17.94

Fs83 Hz −4%

Qts0.51 −6%

Vas4.0 L −36%

BL6.4 T·m +4%

Xmax2 mm −66%

Sensitivity87.8 dB −2.8

Sica5 D 1 CS

£19.68

Fs79 Hz −9%

Qts0.52 −4%

Vas5.5 L −10%

BL5.7 T·m −8%

Xmax3 mm −49%

Sensitivity88.7 dB −1.9

FaitalPRO5FE100

£21.52

Fs65 Hz −25%

Qts0.45 −17%

Vas5.7 L −7%

BL6.9 T·m +11%

Xmax5.3 mm −11%

Sensitivity87.2 dB −3.4

FaitalPRO5FE105

£21.90

Fs65 Hz −25%

Qts0.45 −17%

Vas5.7 L −7%

BL6.9 T·m +11%

Xmax5.3 mm −11%

Sensitivity87.2 dB −3.4

SB AcousticsSB12PFCR25-8

£21.98

Fs59 Hz −32%

Qts0.48 −11%

Vas5.3 L −14%

BL4.6 T·m −26%

Xmax5 mm −16%

Sensitivity85 dB −5.6

PeerlessGBS-135F25AL02-04

£22.44

Fs64 Hz −26%

Qts0.59 +9%

Vas5.3 L −14%

BL4.9 T·m −21%

Xmax5.4 mm −9%

Sensitivity85.1 dB −5.5

FaitalPRO5FE120

£24.49

Fs65 Hz −25%

Qts0.48 −11%

Vas5.4 L −12%

BL6.9 T·m +11%

Xmax5.3 mm −11%

Sensitivity86.7 dB −3.9

PeerlessSDS-P830656

£25.08

Fs65 Hz −25%

Qts0.62 +15%

Vas6.6 L +7%

BL5.5 T·m −11%

Xmax5.5 mm −8%

Sensitivity85.8 dB −4.8

PeerlessHDS-P830860

£26.17

Fs72 Hz −17%

Qts0.54 –

Vas6.1 L –

BL5.7 T·m −8%

Xmax5.5 mm −7%

Sensitivity87 dB −3.6

PeerlessSLS-135F32CP01-04

£26.37

Fs55 Hz −37%

Qts0.54 –

Vas5.7 L −8%

BL5.2 T·m −17%

Xmax7 mm +18%

Sensitivity84 dB −6.6

FaitalPRO6FE125

£26.87

Fs61 Hz −30%

Qts0.55 –

Vas15.1 L +146%

BL6.8 T·m +9%

Xmax5.3 mm −11%

Sensitivity89.6 dB −1

FaitalPRO6FE100

£27.18

Fs61 Hz −30%

Qts0.55 –

Vas15.1 L +146%

BL6.8 T·m +9%

Xmax5.3 mm −11%

Sensitivity89.6 dB −1

PeerlessHDS-P830991

£28.05

Fs76 Hz −13%

Qts0.55 –

Vas5.1 L −17%

BL6.3 T·m –

Xmax6.5 mm +11%

Sensitivity87.1 dB −3.5

FaitalPRO5FE125

£28.89

Fs65 Hz −25%

Qts0.48 −11%

Vas5.4 L −12%

BL6.9 T·m +11%

Xmax5.3 mm −11%

Sensitivity86.7 dB −3.9

Tang BandW5-1138SMF

£38.82

Fs45 Hz −48%

Qts0.49 −9%

Vas4.8 L −21%

BL7.2 T·m +15%

Xmax9.3 mm +56%

Sensitivity80.9 dB −9.7

REDCATT61FHM-1

£39.86

Fs37 Hz −57%

Qts0.49 −9%

Vas28.2 L +359%

BL6.6 T·m +6%

Xmax6.3 mm +6%

Sensitivity86.4 dB −4.2

CelestionTFX0515

£47.48

Fs74 Hz −15%

Qts0.47 −12%

Vas6.5 L +6%

BL7.0 T·m +12%

Xmax3.8 mm −37%

Sensitivity89.2 dB −1.4

Beyma5MP60

£52.32

Fs63 Hz −28%

Qts0.46 −15%

Vas5.8 L −6%

BL6.4 T·m –

Xmax5.5 mm −7%

Sensitivity86 dB −4.6

EminenceALPHA-6A

£59.00

Fs103 Hz +18%

Qts0.54 –

Vas5.8 L −6%

BL8 T·m +29%

Xmax3.5 mm −41%

Sensitivity92.3 dB +1.7

WavecorSW146WA02

£94.87

Fs54 Hz −38%

Qts0.53 –

Vas5.5 L −10%

BL7.8 T·m +25%

Xmax6 mm –

Sensitivity83.8 dB −6.8

WavecorSW146WA01

£94.87

Fs51 Hz −41%

Qts0.48 −11%

Vas5.5 L −10%

BL5.9 T·m −5%

Xmax6 mm –

Sensitivity83.7 dB −6.9

SEASH1480 L16RN-SL

£123.54

Fs37 Hz −57%

Qts0.45 −17%

Vas19 L +209%

BL6.1 T·m –

Xmax6 mm –

Sensitivity84.5 dB −6.1

Tang BandW6-2253S

£142.30

Fs40 Hz −54%

Qts0.51 −6%

Vas6.3 L +3%

BL7.9 T·m +27%

Xmax5 mm −16%

Sensitivity80.3 dB −10.3

Scanspeak15W/8530K01

£157.04

Fs38 Hz −56%

Qts0.50 −7%

Vas17 L +177%

BL5.8 T·m −7%

Xmax6.5 mm +10%

Sensitivity84.3 dB −6.3

PRV Audio6MB400-4

No current price

Fs125 Hz +43%

Qts0.52 −4%

Vas5.3 L −14%

BL6.6 T·m +6%

Xmax3 mm −49%

Sensitivity94.7 dB +4.1

CelestionTF0512HE

No current price

Fs85 Hz –

Qts0.54 –

Vas3.5 L −44%

BL6.7 T·m +8%

Xmax4.8 mm −20%

Sensitivity87.7 dB −2.9

EminenceFS6.15A8

No current price

Fs74 Hz −15%

Qts0.52 −4%

Vas6 L –

BL8.9 T·m +43%

Xmax5 mm −16%

Sensitivity88.4 dB −2.2

WavecorWF120BD09

No current price

Fs54 Hz −38%

Qts0.50 −7%

Vas5.3 L −14%

BL5.2 T·m −16%

Xmax4 mm −32%

Sensitivity83.9 dB −6.7

Tang BandW5-1138SM

No current price

Fs45 Hz −48%

Qts0.50 −7%

Vas4.9 L −20%

BL6.6 T·m +7%

Xmax9.3 mm +56%

Sensitivity80.6 dB −10

CelestionTFX0512

No current price

Fs69 Hz −21%

Qts0.46 −15%

Vas5.4 L −12%

BL6.4 T·m +3%

Xmax3.3 mm −45%

Sensitivity87.6 dB −3

Search similar

Tune the match

Choose the published values that matter to your design. Size stays matched to this driver.

Qts

Qes

Vas

Xmax

Where to buy

Prices for delivery to the UK, including VAT. How prices work

Watch price

Shop	Price	Against the lowest	Stock	Link
Blue Aran Checked 26 Oct 2026 · 8 Ω · Source: inc VAT · 20% 4-6 weeks	£55.66		Usually available in 4-6 weeks	Visit shop at Blue Aran

bits00 AUDIO

5-inch LF driver · ALPHA series · 125 W

Eminence ALPHA 5-8 8Ω

8 Ω · 87–3500 Hz

No price for delivery to the UK

All 1 offer

Open in 00 Simulator

Fs: 87Hz
Xmax: 5.9mm
SPL: 91dB
Pe: 125W
BL: 6.2T·m
Vd: 61cm³
Qts: 0.54
Vas: 6L

See all 24 specs

Specifications

Published by Eminence

Manufacturer page

Datasheet PDF

The published T/S values agree with each other

Thiele/Small

Fs: 87Hz
Qts: 0.54
Qes: 0.56
Qms: 11.8
Vas: 6.1L
Re: 5Ω
Le: 0.29mH

Motor and cone

BL: 6.2T·m
Sd: 103cm²
Mms: 8g
Xmax: 5.9mm
Vd †: 61cm³

Power and response

Sensitivity †: 90.6dB
Manufacturer sensitivity: 89.4dB
Power: 125W
Impedance: 8Ω
Range: 87–3500Hz
EBP †: 155 · Leans vented

Size and mounting

Diameter: 149.1mm
Cutout: 121.9mm
Depth: 73.9mm
Weight: 1.4kg

Other published values

Cms: 0.42mm/N
Power Program: 250

Sensitivity shows 90.6 dB, calculated from the T/S values. Eminence publishes 89.4 dB, 1.2 dB apart.

† Calculated by bits from the published values

What this validation status means

Everything else Eminence lists

LF · Primary · 5″

BL: 6.2T·m
Fs: 87Hz
Le: 0.29mH
Re: 5Ω
Sd: 103cm²
Cms: 0.42mm/N
Mms: 8g
Qes: 0.56
Qms: 11.8
Qts: 0.54
SPL: 90.6dB
Vas: 6.1L
Xmax: 5.9mm
Power: 125W
Impedance: 8Ω
Sensitivity: 89.4dB
Low limit: 87Hz
Power Program: 250
Calculated sensitivity †: 90.6dB
High limit: 3500Hz
Manufacturer sensitivity: 89.4dB
Weight: 1.4kg
Diameter: 149.1mm
Depth: 73.9mm
Cutout: 121.9mm

Compare

Same-size drivers, compared with the ALPHA 5-8. Clear differences are green when better and red when worse.

This driverALPHA 5-8

Best price

–

87 Hz

Qts

0.54

Vas

6.1 L

6.2 T·m

Xmax

5.9 mm

Sensitivity

90.6 dB

Power

125 W

Dayton AudioPA130-8

£17.94

Fs83 Hz −4%

Qts0.51 −6%

Vas4.0 L −36%

BL6.4 T·m +4%

Xmax2 mm −66%

Sensitivity87.8 dB −2.8

Sica5 D 1 CS

£19.68

Fs79 Hz −9%

Qts0.52 −4%

Vas5.5 L −10%

BL5.7 T·m −8%

Xmax3 mm −49%

Sensitivity88.7 dB −1.9

FaitalPRO5FE100

£21.52

Fs65 Hz −25%

Qts0.45 −17%

Vas5.7 L −7%

BL6.9 T·m +11%

Xmax5.3 mm −11%

Sensitivity87.2 dB −3.4

FaitalPRO5FE105

£21.90

Fs65 Hz −25%

Qts0.45 −17%

Vas5.7 L −7%

BL6.9 T·m +11%

Xmax5.3 mm −11%

Sensitivity87.2 dB −3.4

SB AcousticsSB12PFCR25-8

£21.98

Fs59 Hz −32%

Qts0.48 −11%

Vas5.3 L −14%

BL4.6 T·m −26%

Xmax5 mm −16%

Sensitivity85 dB −5.6

PeerlessGBS-135F25AL02-04

£22.44

Fs64 Hz −26%

Qts0.59 +9%

Vas5.3 L −14%

BL4.9 T·m −21%

Xmax5.4 mm −9%

Sensitivity85.1 dB −5.5

FaitalPRO5FE120

£24.49

Fs65 Hz −25%

Qts0.48 −11%

Vas5.4 L −12%

BL6.9 T·m +11%

Xmax5.3 mm −11%

Sensitivity86.7 dB −3.9

PeerlessSDS-P830656

£25.08

Fs65 Hz −25%

Qts0.62 +15%

Vas6.6 L +7%

BL5.5 T·m −11%

Xmax5.5 mm −8%

Sensitivity85.8 dB −4.8

PeerlessHDS-P830860

£26.17

Fs72 Hz −17%

Qts0.54 –

Vas6.1 L –

BL5.7 T·m −8%

Xmax5.5 mm −7%

Sensitivity87 dB −3.6

PeerlessSLS-135F32CP01-04

£26.37

Fs55 Hz −37%

Qts0.54 –

Vas5.7 L −8%

BL5.2 T·m −17%

Xmax7 mm +18%

Sensitivity84 dB −6.6

FaitalPRO6FE125

£26.87

Fs61 Hz −30%

Qts0.55 –

Vas15.1 L +146%

BL6.8 T·m +9%

Xmax5.3 mm −11%

Sensitivity89.6 dB −1

FaitalPRO6FE100

£27.18

Fs61 Hz −30%

Qts0.55 –

Vas15.1 L +146%

BL6.8 T·m +9%

Xmax5.3 mm −11%

Sensitivity89.6 dB −1

PeerlessHDS-P830991

£28.05

Fs76 Hz −13%

Qts0.55 –

Vas5.1 L −17%

BL6.3 T·m –

Xmax6.5 mm +11%

Sensitivity87.1 dB −3.5

FaitalPRO5FE125

£28.89

Fs65 Hz −25%

Qts0.48 −11%

Vas5.4 L −12%

BL6.9 T·m +11%

Xmax5.3 mm −11%

Sensitivity86.7 dB −3.9

Tang BandW5-1138SMF

£38.82

Fs45 Hz −48%

Qts0.49 −9%

Vas4.8 L −21%

BL7.2 T·m +15%

Xmax9.3 mm +56%

Sensitivity80.9 dB −9.7

REDCATT61FHM-1

£39.86

Fs37 Hz −57%

Qts0.49 −9%

Vas28.2 L +359%

BL6.6 T·m +6%

Xmax6.3 mm +6%

Sensitivity86.4 dB −4.2

CelestionTFX0515

£47.48

Fs74 Hz −15%

Qts0.47 −12%

Vas6.5 L +6%

BL7.0 T·m +12%

Xmax3.8 mm −37%

Sensitivity89.2 dB −1.4

Beyma5MP60

£52.32

Fs63 Hz −28%

Qts0.46 −15%

Vas5.8 L −6%

BL6.4 T·m –

Xmax5.5 mm −7%

Sensitivity86 dB −4.6

EminenceALPHA-6A

£59.00

Fs103 Hz +18%

Qts0.54 –

Vas5.8 L −6%

BL8 T·m +29%

Xmax3.5 mm −41%

Sensitivity92.3 dB +1.7

WavecorSW146WA02

£94.87

Fs54 Hz −38%

Qts0.53 –

Vas5.5 L −10%

BL7.8 T·m +25%

Xmax6 mm –

Sensitivity83.8 dB −6.8

WavecorSW146WA01

£94.87

Fs51 Hz −41%

Qts0.48 −11%

Vas5.5 L −10%

BL5.9 T·m −5%

Xmax6 mm –

Sensitivity83.7 dB −6.9

SEASH1480 L16RN-SL

£123.54

Fs37 Hz −57%

Qts0.45 −17%

Vas19 L +209%

BL6.1 T·m –

Xmax6 mm –

Sensitivity84.5 dB −6.1

Tang BandW6-2253S

£142.30

Fs40 Hz −54%

Qts0.51 −6%

Vas6.3 L +3%

BL7.9 T·m +27%

Xmax5 mm −16%

Sensitivity80.3 dB −10.3

Scanspeak15W/8530K01

£157.04

Fs38 Hz −56%

Qts0.50 −7%

Vas17 L +177%

BL5.8 T·m −7%

Xmax6.5 mm +10%

Sensitivity84.3 dB −6.3

PRV Audio6MB400-4

No current price

Fs125 Hz +43%

Qts0.52 −4%

Vas5.3 L −14%

BL6.6 T·m +6%

Xmax3 mm −49%

Sensitivity94.7 dB +4.1

CelestionTF0512HE

No current price

Fs85 Hz –

Qts0.54 –

Vas3.5 L −44%

BL6.7 T·m +8%

Xmax4.8 mm −20%

Sensitivity87.7 dB −2.9

EminenceFS6.15A8

No current price

Fs74 Hz −15%

Qts0.52 −4%

Vas6 L –

BL8.9 T·m +43%

Xmax5 mm −16%

Sensitivity88.4 dB −2.2

WavecorWF120BD09

No current price

Fs54 Hz −38%

Qts0.50 −7%

Vas5.3 L −14%

BL5.2 T·m −16%

Xmax4 mm −32%

Sensitivity83.9 dB −6.7

Tang BandW5-1138SM

No current price

Fs45 Hz −48%

Qts0.50 −7%

Vas4.9 L −20%

BL6.6 T·m +7%

Xmax9.3 mm +56%

Sensitivity80.6 dB −10

CelestionTFX0512

No current price

Fs69 Hz −21%

Qts0.46 −15%

Vas5.4 L −12%

BL6.4 T·m +3%

Xmax3.3 mm −45%

Sensitivity87.6 dB −3

Search similar

Tune the match

Choose the published values that matter to your design. Size stays matched to this driver.

Qts

Qes

Vas

Xmax

Where to buy

Prices for delivery to the UK, including VAT. How prices work

Watch price

Shop	Price	Against the lowest	Stock	Link
Blue Aran Checked 26 Oct 2026 · 8 Ω · Source: inc VAT · 20% 4-6 weeks	£55.66		Usually available in 4-6 weeks	Visit shop at Blue Aran