Scanspeak18W/8545K00
£144.00Fs28 Hz −3%
Qts0.28 +4%
Vas46.4 L −26%, better
BL8.2 T·m +34%, better
Xmax6.5 mm –
Sensitivity87.3 dB −2.1, worse
7-inch LF driver · MW19 series · 39 mm voice coil · 70 W
SB Acoustics MW19PF-4 4Ω
4 Ω
No current price
- Fs
- 29Hz
- Xmax
- 6.5mm
- SPL
- 89dB
- Pe
- 70W
- BL
- 6.1T·m
- Vd
- 103cm³
- Qts
- 0.27
- Vas
- 63L
Published graphs
SB Acoustics MW19PF-4 is a 7-inch 4 ohm LF driver rated at 70 W RMS. The validated T/S data includes Fs 29 Hz, Qts 0.27, Vas 62.7 L, Xmax 6.5 mm, sensitivity 89.4 dB, plus 103 cm³ Vd and 104 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
- 29Hz
- Qts
- 0.27
- Qes
- 0.28
- Qms
- 5.2
- Vas
- 62.7L
- Re
- 3.4Ω
- Le
- 0.20mH
Motor and cone
- BL
- 6.1T·m
- Sd
- 158cm²
- Mms
- 17g
- Xmax
- 6.5mm
- Vd †
- 103cm³
- Voice coil
- 39mm
- Flux density
- 0.90T
Power and response
- Sensitivity †
- 89.4dB
- Manufacturer sensitivity
- 91.5dB
- Power
- 70W
- Impedance
- 4Ω
- EBP †
- 104 · Leans vented
Size and mounting
- Weight
- 2.3kg
Other published values
- Cms
- 1.77mm/N
Sensitivity shows 89.4 dB, calculated from the T/S values. SB Acoustics publishes 91.5 dB, 2.1 dB apart.
† Calculated by bits from the published values
What this validation status means
Everything else SB Acoustics lists
LF · Primary · 7″
- BL
- 6.1T·m
- Fs
- 29Hz
- Le
- 0.20mH
- Re
- 3.4Ω
- Sd
- 158cm²
- Cms
- 1.77mm/N
- Mms
- 17g
- Qes
- 0.28
- Qms
- 5.2
- Qts
- 0.27
- SPL
- 89.4dB
- Vas
- 62.7L
- Xmax
- 6.5mm
- Power
- 70W
- Impedance
- 4Ω
- Flux density
- 0.90T
- Sensitivity
- 91.5dB
- Calculated sensitivity †
- 89.4dB
- Manufacturer sensitivity
- 91.5dB
- Voice coil
- 39mm
- Weight
- 2.3kg
02
Compare
Same-size drivers, compared with the MW19PF-4. Clear differences are green when better and red when worse.
This driverMW19PF-4
Best price
–
Fs
29 Hz
Qts
0.27
Vas
62.7 L
BL
6.1 T·m
Xmax
6.5 mm
Sensitivity
89.4 dB
Power
70 W
SB AcousticsMW16PNW-4
£148.32Fs28 Hz −3%
Qts0.27 –
Vas51.8 L −17%, better
BL5 T·m −18%, worse
Xmax12 mm +85%, better
Sensitivity88 dB −1.4
Scanspeak15M/4531K00
£150.70Fs42 Hz +45%, worse
Qts0.27 –
Vas16 L −74%, better
BL6 T·m –
Xmax3 mm −54%, worse
Sensitivity88.3 dB −1.1
SB AcousticsMW16P-4
£150.87Fs28 Hz −3%
Qts0.27 –
Vas50.2 L −20%, better
BL5.2 T·m −15%, worse
Xmax12 mm +85%, better
Sensitivity88 dB −1.4
WavecorWF182BD13
£159.61Fs38 Hz +31%, worse
Qts0.26 −4%
Vas20.8 L −67%, better
BL6.9 T·m +13%, better
Xmax5.5 mm −15%, worse
Sensitivity88.3 dB −1.1
SB AcousticsMR16P-4
£161.00Fs31 Hz +7%
Qts0.25 −7%
Vas47.2 L −25%, better
BL5.2 T·m −15%, worse
Xmax6.2 mm −5%
Sensitivity89.4 dB –
SB AcousticsMR16PNW-4
£161.00Fs31 Hz +7%
Qts0.25 −7%
Vas47.2 L −25%, better
BL5.2 T·m −15%, worse
Xmax6.2 mm −5%
Sensitivity89.4 dB –
SB AcousticsMR16P-8
£161.00Fs32 Hz +10%, worse
Qts0.30 +11%, worse
Vas44.3 L −29%, better
BL6.5 T·m +7%
Xmax6.2 mm −5%
Sensitivity88.6 dB −0.8
SB AcousticsMR16PNW-8
£161.00Fs31 Hz +7%
Qts0.32 +19%, worse
Vas44.8 L −29%, better
BL6.5 T·m +7%
Xmax6.2 mm −5%
Sensitivity88 dB −1.4
SB AcousticsMW19P-4
£165.40Fs29 Hz –
Qts0.24 −11%, better
Vas61 L –
BL6.5 T·m +7%
Xmax13.6 mm +109%, better
Sensitivity89.6 dB –
SB AcousticsMW19PNW-4
£168.40Fs29 Hz –
Qts0.24 −11%, better
Vas61 L –
BL6.5 T·m +7%
Xmax13.6 mm +109%, better
Sensitivity89.6 dB –
VoltBM165.1
£172.80Fs30 Hz +3%
Qts0.24 −11%, better
Vas40.8 L −35%, better
BL9.8 T·m +61%, better
Xmax6.3 mm −3%
Sensitivity88.3 dB −1.1
WavecorWF182BD03
£193.00Fs39 Hz +34%, worse
Qts0.29 +7%
Vas24.4 L −61%, better
BL6.8 T·m +11%, better
Xmax5.5 mm −15%, worse
Sensitivity88.9 dB −0.5
Eighteen Sound8NMB750
£216.99Fs88 Hz +203%, worse
Qts0.27 –
Vas6.9 L −89%, better
BL18.7 T·m +207%, better
Xmax6.1 mm −6%
Sensitivity94.3 dB +4.9, better
SB AcousticsMR16TX-8
£249.00Fs35 Hz +21%, worse
Qts0.31 +15%, worse
Vas38.9 L −38%, better
BL6.6 T·m +8%
Xmax5.7 mm −12%, worse
Sensitivity89.2 dB –
SB AcousticsMW16TX-4
£253.43Fs29 Hz –
Qts0.27 –
Vas48 L −23%, better
BL5.2 T·m −15%, worse
Xmax12 mm +85%, better
Sensitivity88.1 dB −1.3
SB AcousticsMW19TX-4
£287.34Fs32 Hz +10%, worse
Qts0.27 –
Vas53.2 L −15%, better
BL6.3 T·m +3%
Xmax13.6 mm +109%, better
Sensitivity90 dB +0.6
Scanspeak21WE/4542T00
£678.04Fs38 Hz +31%, worse
Qts0.28 +4%
Vas54 L −14%, better
BL8.2 T·m +34%, better
Xmax7.2 mm +11%, better
Sensitivity92 dB +2.6, better
AccutonC220-6-222
£1,017.08Fs30 Hz –
Qts0.26 −4%
Vas74 L +18%, worse
BL11.7 T·m +92%, better
Xmax6 mm −8%
Sensitivity90.5 dB +1.1
Audio Technology18 H 52 17 06 SD
No current priceFs36 Hz +24%, worse
Qts0.28 +4%
Vas34 L −46%, better
BL6.6 T·m +8%
Xmax6.3 mm −3%
Sensitivity88.8 dB −0.6
PurifiPTT6.5W04-NFA-06
No current priceFs32 Hz +10%, worse
Qts0.26 −4%
Vas28.3 L −55%, better
BL7.6 T·m +25%, better
Xmax5.9 mm −9%
Sensitivity87.2 dB −2.2, worse
WavecorWF182BD04
No current priceFs34 Hz +17%, worse
Qts0.25 −7%
Vas32.4 L −48%, better
BL6.8 T·m +11%, better
Xmax5.5 mm −15%, worse
Sensitivity88.9 dB −0.5
CIAREHWB205
No current priceFs28 Hz −3%
Qts0.29 +7%
Vas79 L +26%, worse
BL9.3 T·m +52%, better
Xmax7 mm +8%
Sensitivity89.6 dB –
HiViSS8IIR
No current priceFs33 Hz +14%, worse
Qts0.28 +4%
Vas59.6 L −5%
BL9.2 T·m +51%, better
Xmax4.8 mm −26%, worse
Sensitivity90.7 dB +1.3
SB AcousticsMW19PF-8
No current priceFs30 Hz +3%
Qts0.34 +26%, worse
Vas63 L –
BL7 T·m +15%, better
Xmax6.5 mm –
Sensitivity88.7 dB −0.7
No photo
PHL Audio2730
No current priceFs42 Hz +45%, worse
Qts0.26 −4%
Vas34.1 L −46%, better
BL12.6 T·m +107%, better
Xmax7 mm +8%
Sensitivity91.7 dB +2.3, better
LavoceCAN082.00K
No current priceFs72 Hz +148%, worse
Qts0.27 –
Vas15.1 L −76%, better
BL13.2 T·m +116%, better
Xmax6.7 mm +3%
Sensitivity94.8 dB +5.4, better
Audio Technology8 I 52 20 06 SD
No current priceFs33 Hz +14%, worse
Qts0.26 −4%
Vas70 L +12%, worse
BL10.0 T·m +63%, better
Xmax8 mm +23%, better
Sensitivity91.3 dB +1.9
HiViSS8IIN
No current priceFs29 Hz –
Qts0.27 –
Vas80.1 L +28%, worse
BL10.6 T·m +74%, better
Xmax5 mm −23%, worse
Sensitivity90.3 dB +0.9
Audio Technology18 H 52 06 13 SDKA-LR
No current priceFs32 Hz +10%, worse
Qts0.25 −7%
Vas50 L −20%, better
BL7.4 T·m +21%, better
Xmax4 mm −38%, worse
Sensitivity89.9 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
No current price found. Pricing may appear after the next vendor refresh.