5-inch LF driver · Prestige series · 26 mm voice coil · 60 W

SEAS H1216-08 CA15RLY 8Ω

Name: SEAS H1216-08 CA15RLY 8 Ohm
Brand: SEAS
SKU: H1216-08 CA15RLY
Availability: InStock

8 Ω · 50–4000 Hz

3 ratings at 1 shop

£99.78

Falcon Acoustics · In stock · All 4 offers

Open in 00 Simulator

Fs: 44Hz
Xmax: 5mm
SPL: 87dB
Pe: 60W
BL: 5.5T·m
Vd: 40cm³
Qts: 0.34
Vas: 14L

See all 25 specs

Published graphs

SEAS H1216-08 CA15RLY manufacturer graph 1

Specifications

Published by SEAS

Manufacturer page

Datasheet PDF

SEAS H1216-08 CA15RLY is a 5-inch 8 ohm LF driver rated at 60 W RMS. The validated T/S data includes Fs 44 Hz, Qts 0.34, Vas 14 L, Xmax 5 mm, sensitivity 86.6 dB, plus 40 cm³ Vd and 105 EBP. bits tracks UK, EU and US shop prices, price movement, datasheet links, simulator import data, and similar drivers, with a current best price of £89.41.

The published T/S values agree with each other

Thiele/Small

Fs: 44Hz
Qts: 0.34
Qes: 0.42
Qms: 1.9
Vas: 14L
Re: 5.6Ω
Le: 0.82mH

Motor and cone

BL: 5.5T·m
Sd: 80cm²
Mms: 8g
Xmax: 5mm
Vd †: 40cm³
Voice coil: 26mm
Flux density: 1.10T

Power and response

Sensitivity †: 86.6dB
Manufacturer sensitivity: 87.5dB
Power: 60W
Impedance: 8Ω
Range: 50–4000Hz
EBP †: 105 · Leans vented

Size and mounting

Weight: 1.3kg

Other published values

Cms: 1.70mm/N
Rms: 1.19kg/s
Xmech: 10
Power Peak: 250

† Calculated by bits from the published values

What this validation status means

Everything else SEAS lists

LF · Primary · 5″

BL: 5.5T·m
Fs: 44Hz
Le: 0.82mH
Re: 5.6Ω
Sd: 80cm²
Cms: 1.70mm/N
Mms: 8g
Qes: 0.42
Qms: 1.9
Qts: 0.34
Rms: 1.19kg/s
SPL: 86.6dB
Vas: 14L
Xmax: 5mm
Xmech: 10
Power: 60W
Impedance: 8Ω
Power Peak: 250
Flux density: 1.10T
Sensitivity: 87.5dB
Low limit: 50Hz
Calculated sensitivity †: 86.6dB
High limit: 4000Hz
Manufacturer sensitivity: 87.5dB
Voice coil: 26mm
Weight: 1.3kg

Compare

Same-size drivers, compared with the H1216-08 CA15RLY. Clear differences are green when better and red when worse.

This driverH1216-08 CA15RLY

Best price

£89.41

44 Hz

Qts

0.34

Vas

14 L

5.5 T·m

Xmax

5 mm

Sensitivity

86.6 dB

Power

60 W

SB AcousticsSB13PFC25-8

£22.98 · 74% less

Fs45 Hz –

Qts0.33 –

Vas13.4 L −4%

BL6.2 T·m +13%

Xmax4.5 mm −10%

Sensitivity87 dB –

SB AcousticsSB13PFCR25-8

£22.98 · 74% less

Fs45 Hz –

Qts0.33 –

Vas13.4 L −4%

BL6.2 T·m +13%

Xmax4.5 mm −10%

Sensitivity87 dB –

SB AcousticsSB13PFC25-4

£22.98 · 74% less

Fs44 Hz –

Qts0.29 −15%

Vas13.4 L −4%

BL5.3 T·m −4%

Xmax4.5 mm −10%

Sensitivity87.4 dB +0.8

SB AcousticsSB13PFCR25-4

£22.98 · 74% less

Fs44 Hz –

Qts0.29 −15%

Vas13.4 L −4%

BL5.3 T·m −4%

Xmax4.5 mm −10%

Sensitivity87.4 dB +0.8

Dayton AudioRS150-8

£44.87 · 50% less

Fs48 Hz +9%

Qts0.34 –

Vas16.6 L +19%

BL5.6 T·m –

Xmax4 mm −20%

Sensitivity88.3 dB +1.7

Dayton AudioRS150P-4A

£44.87 · 50% less

Fs44 Hz –

Qts0.34 –

Vas15.7 L +12%

BL4.4 T·m −20%

Xmax4.4 mm −12%

Sensitivity87 dB –

Dayton AudioRS150-4

£44.87 · 50% less

Fs45 Hz –

Qts0.33 –

Vas16.4 L +17%

BL4.1 T·m −25%

Xmax4.4 mm −12%

Sensitivity87.8 dB +1.2

SB AcousticsSB15MFC30-8

£48.66 · 46% less

Fs39 Hz −11%

Qts0.37 +9%

Vas17.7 L +26%

BL5.6 T·m –

Xmax5 mm –

Sensitivity86.2 dB –

SB AcousticsSB15NRX2C30-8

£49.12 · 45% less

Fs37 Hz −17%

Qts0.34 –

Vas20 L +43%

BL5.8 T·m +5%

Xmax5 mm –

Sensitivity86.2 dB –

SB AcousticsSB12NRX25-8

£51.87 · 42% less

Fs57 Hz +30%

Qts0.37 +9%

Vas5.3 L −62%

BL5.4 T·m –

Xmax5 mm –

Sensitivity85.8 dB −0.8

SB AcousticsSB15NRXC30-8

£54.13 · 39% less

Fs38 Hz −14%

Qts0.33 –

Vas20.7 L +48%

BL5.6 T·m –

Xmax5 mm –

Sensitivity87.1 dB +0.5

Dayton AudioRS150P-8A

£58.03 · 35% less

Fs47 Hz +7%

Qts0.34 –

Vas16.7 L +19%

BL5.6 T·m –

Xmax4 mm −20%

Sensitivity88.1 dB +1.5

SB AcousticsSB12CACS25-8

£58.31 · 35% less

Fs51 Hz +16%

Qts0.37 +9%

Vas6.5 L −54%

BL5.2 T·m −5%

Xmax5 mm –

Sensitivity85.4 dB −1.2

SB AcousticsSB15NBAC30-8

£62.57 · 30% less

Fs36 Hz −19%

Qts0.37 +9%

Vas17 L +21%

BL5.7 T·m +4%

Xmax5 mm –

Sensitivity84.7 dB −1.9

SB AcousticsSB15NAC30-8

£69.45 · 22% less

Fs36 Hz −19%

Qts0.37 +9%

Vas17.7 L +26%

BL5.9 T·m +7%

Xmax5 mm –

Sensitivity85.1 dB −1.5

SB AcousticsSB15CAC30-8

£76.56 · 14% less

Fs36 Hz −19%

Qts0.38 +12%

Vas17.9 L +28%

BL5.7 T·m +4%

Xmax5 mm –

Sensitivity84.8 dB −1.8

SEASH1455-08 ER15RLY

£80.27 · 10% less

Fs44 Hz –

Qts0.32 −6%

Vas15 L +7%

BL5.5 T·m –

Xmax5 mm –

Sensitivity87 dB –

SB AcousticsSB15CRC30-8

£81.08 · 9% less

Fs40 Hz −9%

Qts0.41 +21%

Vas14.9 L +6%

BL5.6 T·m –

Xmax5.5 mm +10%

Sensitivity85.2 dB −1.4

WavecorWF152BD09

£109.96 · 23% more

Fs52 Hz +18%

Qts0.34 –

Vas8.6 L −39%

BL5.8 T·m +5%

Xmax4.5 mm −10%

Sensitivity87.4 dB +0.8

VisatonAL 130

£129.53 · 45% more

Fs43 Hz –

Qts0.38 +12%

Vas13 L −7%

BL5.6 T·m –

Xmax6 mm +20%

Sensitivity85.9 dB −0.7

SB AcousticsMW13PNW-8

£139.69 · 56% more

Fs41 Hz −7%

Qts0.31 −9%

Vas15 L +7%

BL5.7 T·m +4%

Xmax5 mm –

Sensitivity87 dB –

SB AcousticsMW13P-8

£139.69 · 56% more

Fs42 Hz −6%

Qts0.30 −12%

Vas15 L +7%

BL5.7 T·m +4%

Xmax5 mm –

Sensitivity87.1 dB +0.5

WavecorWF152BD03

£142.76 · 60% more

Fs56 Hz +26%

Qts0.35 –

Vas9.2 L −34%

BL5.8 T·m +5%

Xmax4.5 mm −10%

Sensitivity88.4 dB +1.8

Scanspeak15W/8534T00

£154.86 · 73% more

Fs32 Hz −27%

Qts0.39 +15%

Vas30 L +114%

BL5.5 T·m –

Xmax5 mm –

Sensitivity85.6 dB −1

Tang BandW5-1880

£209.33 · 134% more

Fs48 Hz +9%

Qts0.32 −6%

Vas26.5 L +89%

BL5.5 T·m –

Xmax5 mm –

Sensitivity90.9 dB +4.3

SB AcousticsMW13TX-8

£225.24 · 152% more

Fs40 Hz −9%

Qts0.32 −6%

Vas14.8 L +6%

BL5.7 T·m +4%

Xmax5 mm –

Sensitivity86.5 dB –

SEASE0015-08S W15CY001

£293.02 · 228% more

Fs38 Hz −14%

Qts0.36 +6%

Vas14 L –

BL5.5 T·m –

Xmax4 mm −20%

Sensitivity84.5 dB −2.1

SEASE0049-04S W16NX001

£375.54 · 320% more

Fs37 Hz −16%

Qts0.33 –

Vas15 L +7%

BL5.3 T·m −4%

Xmax7 mm +40%

Sensitivity85 dB −1.6

Audio Technology15 J 52 15 06 SD

No current price

Fs45 Hz –

Qts0.32 −6%

Vas15 L +7%

BL5.5 T·m –

Xmax5.2 mm +4%

Sensitivity87.7 dB +1.1

E J JordanEIKONA

No current price

Fs43 Hz –

Qts0.35 +4%

Vas11.0 L −22%

BL6.5 T·m +19%

Xmax5 mm –

Sensitivity85.3 dB −1.3

Search similar

Tune the match

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

Qts

Qes

Vas

Xmax

Reviews

How reviews work

4.0 out of 5

from 3 ratings at 1 shop

SoundImports4.0 out of 53 ratings · Checked 24 Oct 2026
Read reviews on SoundImports

Each shop collects its own ratings. Bits shows them as published and doesn't verify them.

Where to buy

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

Watch price

Shop	Price	Against the lowest	Stock	Link
Falcon Acoustics Checked 24 Oct 2026 · 8 Ω · Source: inc VAT · 20%	£99.78, the lowest price		In stock	Visit shop at Falcon Acoustics
RumoH Checked 24 Oct 2026 · Ships from Netherlands · 8 Ω · Source: inc VAT Import VAT and duty may apply	£89.41		Stock not listed	Visit shop at RumoH
Lautsprechershop Checked 24 Oct 2026 · Ships from Germany · 8 Ω · Source: inc VAT · 19% Import VAT and duty may apply	£104.58	4.8% above the lowest price	Special order	Visit shop at Lautsprechershop
SoundImports Checked 24 Oct 2026 · Ships from Netherlands · 8 Ω · Source: inc VAT Import VAT and duty may apply	£104.62	4.9% above the lowest price	3 in stock	Visit shop at SoundImports

Best price over time

Tracked since 21 Oct

bits00 AUDIO

5-inch LF driver · Prestige series · 26 mm voice coil · 60 W

SEAS H1216-08 CA15RLY 8Ω

8 Ω · 50–4000 Hz

3 ratings at 1 shop

£99.78

Falcon Acoustics · In stock · All 4 offers

Open in 00 Simulator

Fs: 44Hz
Xmax: 5mm
SPL: 87dB
Pe: 60W
BL: 5.5T·m
Vd: 40cm³
Qts: 0.34
Vas: 14L

See all 25 specs

Published graphs

Specifications

Published by SEAS

Manufacturer page

Datasheet PDF

The published T/S values agree with each other

Thiele/Small

Fs: 44Hz
Qts: 0.34
Qes: 0.42
Qms: 1.9
Vas: 14L
Re: 5.6Ω
Le: 0.82mH

Motor and cone

BL: 5.5T·m
Sd: 80cm²
Mms: 8g
Xmax: 5mm
Vd †: 40cm³
Voice coil: 26mm
Flux density: 1.10T

Power and response

Sensitivity †: 86.6dB
Manufacturer sensitivity: 87.5dB
Power: 60W
Impedance: 8Ω
Range: 50–4000Hz
EBP †: 105 · Leans vented

Size and mounting

Weight: 1.3kg

Other published values

Cms: 1.70mm/N
Rms: 1.19kg/s
Xmech: 10
Power Peak: 250

† Calculated by bits from the published values

What this validation status means

Everything else SEAS lists

LF · Primary · 5″

BL: 5.5T·m
Fs: 44Hz
Le: 0.82mH
Re: 5.6Ω
Sd: 80cm²
Cms: 1.70mm/N
Mms: 8g
Qes: 0.42
Qms: 1.9
Qts: 0.34
Rms: 1.19kg/s
SPL: 86.6dB
Vas: 14L
Xmax: 5mm
Xmech: 10
Power: 60W
Impedance: 8Ω
Power Peak: 250
Flux density: 1.10T
Sensitivity: 87.5dB
Low limit: 50Hz
Calculated sensitivity †: 86.6dB
High limit: 4000Hz
Manufacturer sensitivity: 87.5dB
Voice coil: 26mm
Weight: 1.3kg

Compare

Same-size drivers, compared with the H1216-08 CA15RLY. Clear differences are green when better and red when worse.

This driverH1216-08 CA15RLY

Best price

£89.41

44 Hz

Qts

0.34

Vas

14 L

5.5 T·m

Xmax

5 mm

Sensitivity

86.6 dB

Power

60 W

SB AcousticsSB13PFC25-8

£22.98 · 74% less

Fs45 Hz –

Qts0.33 –

Vas13.4 L −4%

BL6.2 T·m +13%

Xmax4.5 mm −10%

Sensitivity87 dB –

SB AcousticsSB13PFCR25-8

£22.98 · 74% less

Fs45 Hz –

Qts0.33 –

Vas13.4 L −4%

BL6.2 T·m +13%

Xmax4.5 mm −10%

Sensitivity87 dB –

SB AcousticsSB13PFC25-4

£22.98 · 74% less

Fs44 Hz –

Qts0.29 −15%

Vas13.4 L −4%

BL5.3 T·m −4%

Xmax4.5 mm −10%

Sensitivity87.4 dB +0.8

SB AcousticsSB13PFCR25-4

£22.98 · 74% less

Fs44 Hz –

Qts0.29 −15%

Vas13.4 L −4%

BL5.3 T·m −4%

Xmax4.5 mm −10%

Sensitivity87.4 dB +0.8

Dayton AudioRS150-8

£44.87 · 50% less

Fs48 Hz +9%

Qts0.34 –

Vas16.6 L +19%

BL5.6 T·m –

Xmax4 mm −20%

Sensitivity88.3 dB +1.7

Dayton AudioRS150P-4A

£44.87 · 50% less

Fs44 Hz –

Qts0.34 –

Vas15.7 L +12%

BL4.4 T·m −20%

Xmax4.4 mm −12%

Sensitivity87 dB –

Dayton AudioRS150-4

£44.87 · 50% less

Fs45 Hz –

Qts0.33 –

Vas16.4 L +17%

BL4.1 T·m −25%

Xmax4.4 mm −12%

Sensitivity87.8 dB +1.2

SB AcousticsSB15MFC30-8

£48.66 · 46% less

Fs39 Hz −11%

Qts0.37 +9%

Vas17.7 L +26%

BL5.6 T·m –

Xmax5 mm –

Sensitivity86.2 dB –

SB AcousticsSB15NRX2C30-8

£49.12 · 45% less

Fs37 Hz −17%

Qts0.34 –

Vas20 L +43%

BL5.8 T·m +5%

Xmax5 mm –

Sensitivity86.2 dB –

SB AcousticsSB12NRX25-8

£51.87 · 42% less

Fs57 Hz +30%

Qts0.37 +9%

Vas5.3 L −62%

BL5.4 T·m –

Xmax5 mm –

Sensitivity85.8 dB −0.8

SB AcousticsSB15NRXC30-8

£54.13 · 39% less

Fs38 Hz −14%

Qts0.33 –

Vas20.7 L +48%

BL5.6 T·m –

Xmax5 mm –

Sensitivity87.1 dB +0.5

Dayton AudioRS150P-8A

£58.03 · 35% less

Fs47 Hz +7%

Qts0.34 –

Vas16.7 L +19%

BL5.6 T·m –

Xmax4 mm −20%

Sensitivity88.1 dB +1.5

SB AcousticsSB12CACS25-8

£58.31 · 35% less

Fs51 Hz +16%

Qts0.37 +9%

Vas6.5 L −54%

BL5.2 T·m −5%

Xmax5 mm –

Sensitivity85.4 dB −1.2

SB AcousticsSB15NBAC30-8

£62.57 · 30% less

Fs36 Hz −19%

Qts0.37 +9%

Vas17 L +21%

BL5.7 T·m +4%

Xmax5 mm –

Sensitivity84.7 dB −1.9

SB AcousticsSB15NAC30-8

£69.45 · 22% less

Fs36 Hz −19%

Qts0.37 +9%

Vas17.7 L +26%

BL5.9 T·m +7%

Xmax5 mm –

Sensitivity85.1 dB −1.5

SB AcousticsSB15CAC30-8

£76.56 · 14% less

Fs36 Hz −19%

Qts0.38 +12%

Vas17.9 L +28%

BL5.7 T·m +4%

Xmax5 mm –

Sensitivity84.8 dB −1.8

SEASH1455-08 ER15RLY

£80.27 · 10% less

Fs44 Hz –

Qts0.32 −6%

Vas15 L +7%

BL5.5 T·m –

Xmax5 mm –

Sensitivity87 dB –

SB AcousticsSB15CRC30-8

£81.08 · 9% less

Fs40 Hz −9%

Qts0.41 +21%

Vas14.9 L +6%

BL5.6 T·m –

Xmax5.5 mm +10%

Sensitivity85.2 dB −1.4

WavecorWF152BD09

£109.96 · 23% more

Fs52 Hz +18%

Qts0.34 –

Vas8.6 L −39%

BL5.8 T·m +5%

Xmax4.5 mm −10%

Sensitivity87.4 dB +0.8

VisatonAL 130

£129.53 · 45% more

Fs43 Hz –

Qts0.38 +12%

Vas13 L −7%

BL5.6 T·m –

Xmax6 mm +20%

Sensitivity85.9 dB −0.7

SB AcousticsMW13PNW-8

£139.69 · 56% more

Fs41 Hz −7%

Qts0.31 −9%

Vas15 L +7%

BL5.7 T·m +4%

Xmax5 mm –

Sensitivity87 dB –

SB AcousticsMW13P-8

£139.69 · 56% more

Fs42 Hz −6%

Qts0.30 −12%

Vas15 L +7%

BL5.7 T·m +4%

Xmax5 mm –

Sensitivity87.1 dB +0.5

WavecorWF152BD03

£142.76 · 60% more

Fs56 Hz +26%

Qts0.35 –

Vas9.2 L −34%

BL5.8 T·m +5%

Xmax4.5 mm −10%

Sensitivity88.4 dB +1.8

Scanspeak15W/8534T00

£154.86 · 73% more

Fs32 Hz −27%

Qts0.39 +15%

Vas30 L +114%

BL5.5 T·m –

Xmax5 mm –

Sensitivity85.6 dB −1

Tang BandW5-1880

£209.33 · 134% more

Fs48 Hz +9%

Qts0.32 −6%

Vas26.5 L +89%

BL5.5 T·m –

Xmax5 mm –

Sensitivity90.9 dB +4.3

SB AcousticsMW13TX-8

£225.24 · 152% more

Fs40 Hz −9%

Qts0.32 −6%

Vas14.8 L +6%

BL5.7 T·m +4%

Xmax5 mm –

Sensitivity86.5 dB –

SEASE0015-08S W15CY001

£293.02 · 228% more

Fs38 Hz −14%

Qts0.36 +6%

Vas14 L –

BL5.5 T·m –

Xmax4 mm −20%

Sensitivity84.5 dB −2.1

SEASE0049-04S W16NX001

£375.54 · 320% more

Fs37 Hz −16%

Qts0.33 –

Vas15 L +7%

BL5.3 T·m −4%

Xmax7 mm +40%

Sensitivity85 dB −1.6

Audio Technology15 J 52 15 06 SD

No current price

Fs45 Hz –

Qts0.32 −6%

Vas15 L +7%

BL5.5 T·m –

Xmax5.2 mm +4%

Sensitivity87.7 dB +1.1

E J JordanEIKONA

No current price

Fs43 Hz –

Qts0.35 +4%

Vas11.0 L −22%

BL6.5 T·m +19%

Xmax5 mm –

Sensitivity85.3 dB −1.3

Search similar

Tune the match

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

Qts

Qes

Vas

Xmax

Reviews

How reviews work

4.0 out of 5

from 3 ratings at 1 shop

SoundImports4.0 out of 53 ratings · Checked 24 Oct 2026
Read reviews on SoundImports

Each shop collects its own ratings. Bits shows them as published and doesn't verify them.

Where to buy

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

Watch price

Shop	Price	Against the lowest	Stock	Link
Falcon Acoustics Checked 24 Oct 2026 · 8 Ω · Source: inc VAT · 20%	£99.78, the lowest price		In stock	Visit shop at Falcon Acoustics
RumoH Checked 24 Oct 2026 · Ships from Netherlands · 8 Ω · Source: inc VAT Import VAT and duty may apply	£89.41		Stock not listed	Visit shop at RumoH
Lautsprechershop Checked 24 Oct 2026 · Ships from Germany · 8 Ω · Source: inc VAT · 19% Import VAT and duty may apply	£104.58	4.8% above the lowest price	Special order	Visit shop at Lautsprechershop
SoundImports Checked 24 Oct 2026 · Ships from Netherlands · 8 Ω · Source: inc VAT Import VAT and duty may apply	£104.62	4.9% above the lowest price	3 in stock	Visit shop at SoundImports

Best price over time

Tracked since 21 Oct