HiViM5N
£18.88 · 79% less, betterFs47 Hz +7%
Qts0.35 –
Vas11.3 L −36%, better
BL7.5 T·m −4%
Xmax2.7 mm −66%, worse
Sensitivity87 dB −0.6
4.25-inch LF driver · Alpair series · 35 W
Markaudio ALPAIR 11 MS 7.2Ω
7.2 Ω
£90.00
99%KJF Audio · In stock · All 3 offers
- Fs
- 44Hz
- Xmax
- 8mm
- SPL
- 88dB
- Pe
- 35W
- BL
- 7.8T·m
- Vd
- 89cm³
- Qts
- 0.34
- Vas
- 18L
Markaudio ALPAIR 11 MS is a 4.25-inch 7.2 ohm LF driver rated at 35 W RMS. The validated T/S data includes Fs 44 Hz, Qts 0.34, Vas 17.7 L, Xmax 8 mm, sensitivity 87.6 dB, plus 89 cm³ Vd and 107 EBP. bits tracks UK vendor pricing, price movement, datasheet links, simulator import data, and similar drivers, with a current best price of £90.00.
The published T/S values agree with each other
Thiele/Small
- Fs
- 44Hz
- Qts
- 0.34
- Qes
- 0.41
- Qms
- 2.2
- Vas
- 17.7L
- Re
- 7.2Ω
- Le
- 0.06mH
Motor and cone
- BL
- 7.8T·m
- Sd
- 111cm²
- Mms
- 12g
- Xmax
- 8mm
- Vd †
- 89cm³
Power and response
- Sensitivity †
- 87.6dB
- Manufacturer sensitivity
- 88.1dB
- Power
- 35W
- Impedance
- 7Ω
- EBP †
- 107 · Leans vented
Other published values
- Cms
- 1.01mm/N
† Calculated by bits from the published values
What this validation status means
Everything else Markaudio lists
LF · Primary · 4.330708661417323″
- BL
- 7.8T·m
- Fs
- 44Hz
- Le
- 0.06mH
- Re
- 7.2Ω
- Sd
- 111cm²
- Cms
- 1.01mm/N
- Mms
- 12g
- Qes
- 0.41
- Qms
- 2.2
- Qts
- 0.34
- SPL
- 87.6dB
- Vas
- 17.7L
- Xmax
- 8mm
- Power
- 35W
- Impedance
- 7Ω
- Sensitivity
- 88.1dB
- Calculated sensitivity †
- 87.6dB
- Manufacturer sensitivity
- 88.1dB
02
Compare
Same-size drivers, compared with the ALPAIR 11 MS. Clear differences are green when better and red when worse.
This driverALPAIR 11 MS
Best price
£90.00
Fs
44 Hz
Qts
0.34
Vas
17.7 L
BL
7.8 T·m
Xmax
8 mm
Sensitivity
87.6 dB
Power
35 W
SB AcousticsSB13PFCR25-8
£24.81 · 72% less, betterFs45 Hz –
Qts0.33 −4%
Vas13.4 L −24%, better
BL6.2 T·m −21%, worse
Xmax9 mm +13%, better
Sensitivity87 dB −0.6
Eighteen Sound5W430
£44.95 · 50% less, betterFs52 Hz +19%, worse
Qts0.32 −7%
Vas15 L −15%, better
BL6.3 T·m −19%, worse
Xmax6 mm −25%, worse
Sensitivity89.7 dB +2.1, better
SB AcousticsSB15MFC30-8
£48.66 · 46% less, betterFs39 Hz −11%, better
Qts0.37 +8%
Vas17.7 L –
BL5.6 T·m −28%, worse
Xmax10 mm +25%, better
Sensitivity86.2 dB −1.4
SB AcousticsSB15NRX2C30-8
£49.12 · 45% less, betterFs37 Hz −17%, better
Qts0.34 –
Vas20 L +13%, worse
BL5.8 T·m −26%, worse
Xmax10 mm +25%, better
Sensitivity86.2 dB −1.4
SB AcousticsSB15NBAC30-8
£62.57 · 30% less, betterFs36 Hz −19%, better
Qts0.37 +8%
Vas17 L −4%
BL5.7 T·m −27%, worse
Xmax10 mm +25%, better
Sensitivity84.7 dB −2.9, worse
SB AcousticsSB15CAC30-8
£76.56 · 15% less, betterFs36 Hz −19%, better
Qts0.38 +10%, worse
Vas17.9 L –
BL5.7 T·m −27%, worse
Xmax10 mm +25%, better
Sensitivity84.8 dB −2.8, worse
SEASH1455-08 ER15RLY
£98.14 · 9% more, worseFs44 Hz –
Qts0.32 −7%
Vas15 L −15%, better
BL5.5 T·m −30%, worse
Xmax5 mm −38%, worse
Sensitivity87 dB −0.6
SEASH1216-08 CA15RLY
£106.68 · 19% more, worseFs44 Hz –
Qts0.34 –
Vas14 L −21%, better
BL5.5 T·m −30%, worse
Xmax5 mm −38%, worse
Sensitivity86.6 dB −1
VisatonAL 130 - 8 Ohm
£136.74 · 52% more, worseFs43 Hz –
Qts0.38 +10%, worse
Vas13 L −27%, better
BL5.6 T·m −28%, worse
Xmax8.5 mm +6%
Sensitivity85.9 dB −1.7
VisatonAL 130
£185.43 · 106% more, worseFs43 Hz –
Qts0.38 +10%, worse
Vas13 L −27%, better
BL5.6 T·m −28%, worse
Xmax8.5 mm +6%
Sensitivity85.9 dB −1.7
PurifiPTT4.0X08-NAC-03
£256.08 · 185% more, worseFs43 Hz –
Qts0.39 +13%, worse
Vas5.3 L −70%, better
BL7 T·m −10%, worse
Xmax8.8 mm +10%, better
Sensitivity81.9 dB −5.7, worse
£426.83 · 374% more, worse
Fs36 Hz −18%, better
Qts0.34 –
Vas17 L −4%
BL7.6 T·m –
Xmax7 mm −13%, worse
Sensitivity85.5 dB −2.1, worse
No current price
Fs39 Hz −11%, better
Qts0.35 –
Vas14 L −21%, better
BL7.3 T·m −7%
Xmax7 mm −13%, worse
Sensitivity85.1 dB −2.5, worse
No current price
Fs32 Hz −27%, better
Qts0.33 −4%
Vas18 L –
BL8.7 T·m +11%, better
Xmax7 mm −13%, worse
Sensitivity84.3 dB −3.3, worse
No photo
PHL Audio900ND
No current priceFs65 Hz +49%, worse
Qts0.36 +5%
Vas7.8 L −56%, better
BL8.1 T·m +4%
Xmax6.5 mm −19%, worse
Sensitivity89.3 dB +1.7
No current price
Fs37 Hz −15%, better
Qts0.33 −4%
Vas15 L −15%, better
BL5.3 T·m −32%, worse
Xmax7 mm −13%, worse
Sensitivity85 dB −2.6, worse
No photo
PHL Audio900
No current priceFs65 Hz +49%, worse
Qts0.37 +8%
Vas7.8 L −56%, better
BL8 T·m –
Xmax6.5 mm −19%, worse
Sensitivity89.2 dB +1.6
Audio Technology4 H 52 06 13 SD
No current priceFs48 Hz +10%
Qts0.33 −4%
Vas16 L −10%
BL6.1 T·m −22%, worse
Xmax3.5 mm −56%, worse
Sensitivity88.4 dB +0.8
PurifiPTT4.0X08-NFC-01
No current priceFs41 Hz −6%
Qts0.37 +8%
Vas5.7 L −68%, better
BL6.9 T·m −12%, worse
Xmax8.8 mm +10%, better
Sensitivity81.8 dB −5.8, worse
HiViM5A
No current priceFs48 Hz +10%
Qts0.34 –
Vas11.2 L −37%, better
BL7.6 T·m –
Xmax2.7 mm −66%, worse
Sensitivity87.4 dB –
MarkaudioCHP-90 MICA
No current priceFs49 Hz +11%, worse
Qts0.36 +6%
Vas20.1 L +13%, worse
BL4.8 T·m −38%, worse
Xmax7 mm −13%, worse
Sensitivity89.2 dB +1.6
Tang BandW5-2053
No current priceFs35 Hz −20%, better
Qts0.40 +16%, worse
Vas3.9 L −78%, better
BL8.3 T·m +7%
Xmax8 mm –
Sensitivity77.8 dB −9.8, worse
E J JordanEIKONA
No current priceFs43 Hz –
Qts0.35 +3%
Vas11.0 L −38%, better
BL6.5 T·m −16%, worse
Xmax5 mm −38%, worse
Sensitivity85.3 dB −2.3, worse
HiViS5N
No current priceFs49 Hz +12%, worse
Qts0.34 –
Vas8.9 L −50%, better
BL7.7 T·m –
Xmax2.7 mm −66%, worse
Sensitivity86.8 dB −0.8
MarkaudioALPAIR 10.3
No current priceFs38 Hz −13%, better
Qts0.32 −8%
Vas26.3 L +49%, worse
BL5.8 T·m −26%, worse
Xmax7.5 mm −6%
Sensitivity87.9 dB –
HiViBG5N
No current priceFs60 Hz +37%, worse
Qts0.33 −4%
Vas7.1 L −60%, better
BL7.4 T·m −5%
Xmax2.5 mm −69%, worse
Sensitivity87.8 dB –
No photo
PHL Audio973ND
No current priceFs67 Hz +53%, worse
Qts0.39 +13%, worse
Vas6.3 L −64%, better
BL7.7 T·m –
Xmax6.5 mm −19%, worse
Sensitivity88.5 dB +0.9
FaneSTUDIO 5FRK
No current priceFs58 Hz +33%, worse
Qts0.36 +5%
Vas10.9 L −38%, better
BL6.8 T·m −12%, worse
Xmax2.4 mm −70%, worse
Sensitivity89.5 dB +1.9
HiViMY5N
No current priceFs57 Hz +30%, worse
Qts0.32 −7%
Vas7 L −60%, better
BL7.7 T·m –
Xmax2.5 mm −69%, worse
Sensitivity87.1 dB −0.5
Tune the match
Choose the published values that matter to your design. Size stays matched to this driver.
Qts
Qes
VasL
Xmaxmm
BLTm
- SoundImports5.0 out of 515 ratings · Checked 2 Oct 2026Read reviews on SoundImports
Each shop collects its own ratings. Bits shows them as published and doesn't verify them.
| Shop | Price | Against the lowest | Stock | Link |
|---|---|---|---|---|
KJF Audio | £90.00, the lowest price | In stock | Visit shop at KJF Audio | |
SoundImports | £89.60 | Back order | Visit shop at SoundImports | |
SoundImports | £89.60 | Back order | Visit shop at SoundImports |
Best price over time
Tracked since 1 Apr
Recent changes
- 22 SepKJF Audio£10,560.00 → £90.00Down 99% from £10,560.00