REDCATT61FHM-2
£19.93 · 32% less, betterFs44 Hz +5%
Qts0.52 –
Vas14.4 L −45%, better
BL6.0 T·m –
Xmax3.2 mm +7%
Sensitivity85.3 dB −1.5
6.5-inch LF driver · SPH series · 25 mm voice coil · 50 W
Monacor SPH-174KE 8Ω
8 Ω · 3–8000 Hz
£34.80
SteadyWilmslow Audio · All 3 offers
- Fs
- 42Hz
- Xmax
- 3mm
- SPL
- 87dB
- Pe
- 50W
- BL
- 5.9T·m
- Vd
- 41cm³
- Qts
- 0.51
- Vas
- 26L
Monacor SPH-174KE is a 6.5-inch 8 ohm LF driver rated at 50 W RMS. The validated T/S data includes Fs 42 Hz, Qts 0.51, Vas 26 L, Xmax 3 mm, sensitivity 86.8 dB, plus 41 cm³ Vd and 66 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 £29.31.
The published T/S values agree with each other
Thiele/Small
- Fs
- 42Hz
- Qts
- 0.51
- Qes
- 0.64
- Qms
- 2.6
- Vas
- 26L
- Re
- 6.4Ω
- Le
- 0.43mH
Motor and cone
- BL
- 5.9T·m
- Sd
- 137cm²
- Mms
- 14g
- Xmax
- 3mm
- Vd †
- 41cm³
- Voice coil
- 25mm
Power and response
- Sensitivity †
- 86.8dB
- Manufacturer sensitivity
- 88dB
- Power
- 50W
- Impedance
- 8Ω
- Range
- 3–8000Hz
- EBP †
- 66 · Sealed or vented
Size and mounting
- Diameter
- 168mm
- Cutout
- 145mm
- Depth
- 75mm
- Weight
- 0.8kg
Other published values
- Cms
- 0.98mm/N
- Power Peak
- 100
Other dimensions
- Mounting Depth
- 68
Sensitivity shows 86.8 dB, calculated from the T/S values. Monacor publishes 88.0 dB, 1.2 dB apart.
† Calculated by bits from the published values
What this validation status means
Everything else Monacor lists
MF · Primary · 6.5″
- BL
- 5.9T·m
- Fs
- 42Hz
- Le
- 0.43mH
- Re
- 6.4Ω
- Sd
- 137cm²
- Cms
- 0.98mm/N
- Mms
- 14g
- Qes
- 0.64
- Qms
- 2.6
- Qts
- 0.51
- SPL
- 86.8dB
- Vas
- 26L
- Xmax
- 3mm
- Power
- 50W
- Impedance
- 8Ω
- Power Peak
- 100
- Sensitivity
- 88dB
- Low limit
- 3Hz
- Calculated sensitivity †
- 86.8dB
- High limit
- 8000Hz
- Manufacturer sensitivity
- 88dB
- Voice coil
- 25mm
- Weight
- 0.8kg
- Diameter
- 168mm
- Depth
- 75mm
- Mounting Depth
- 68
- Cutout
- 145mm
02
Compare
Same-size drivers, compared with the SPH-174KE. Clear differences are green when better and red when worse.
This driverSPH-174KE
Best price
£29.31
Fs
42 Hz
Qts
0.51
Vas
26 L
BL
5.9 T·m
Xmax
3 mm
Sensitivity
86.8 dB
Power
50 W
MonacorSPM-165/8
£27.63 · 6% less, betterFs49 Hz +17%, worse
Qts0.55 +8%
Vas33 L +27%, worse
BL5.8 T·m –
Xmax3 mm –
Sensitivity89.7 dB +2.9, better
SB AcousticsSB16FRPC25-7
£30.52 · 4% moreFs44 Hz +5%
Qts0.46 −10%
Vas31 L +19%, worse
BL5.4 T·m −9%
Xmax3.0 mm –
Sensitivity89.4 dB +2.6, better
CIAREHW159
£31.82 · 9% more, worseFs53 Hz +26%, worse
Qts0.49 −4%
Vas19.4 L −25%, better
BL6.3 T·m +7%
Xmax5.8 mm +93%, better
Sensitivity88.8 dB +2, better
VisatonW 170 S
£33.48 · 14% more, worseFs36 Hz −14%, better
Qts0.52 –
Vas38 L +46%, worse
BL5.4 T·m −9%
Xmax4.3 mm +42%, better
Sensitivity86.3 dB −0.5
REDCATT61FHM-1
£39.86 · 36% more, worseFs37 Hz −12%, better
Qts0.49 −4%
Vas28.2 L +8%
BL6.6 T·m +12%, better
Xmax6.3 mm +110%, better
Sensitivity86.4 dB –
PRV Audio6MR400-4
£48.52 · 66% more, worseFs144 Hz +243%, worse
Qts0.60 +18%, worse
Vas4.4 L −83%, better
BL6.4 T·m +8%
Xmax3.3 mm +8%
Sensitivity95.2 dB +8.4, better
Beyma6B30
£50.20 · 71% more, worseFs56 Hz +33%, worse
Qts0.50 –
Vas15.6 L −40%, better
BL6.8 T·m +15%, better
Xmax5.5 mm +83%, better
Sensitivity88.6 dB +1.8
WavecorWF168WA06
£57.60 · 97% more, worseFs41 Hz –
Qts0.50 –
Vas27.7 L +7%
BL6.4 T·m +8%
Xmax3 mm –
Sensitivity87.5 dB +0.7
WavecorWF146WA02
£57.60 · 97% more, worseFs58 Hz +38%, worse
Qts0.51 –
Vas10 L −62%, better
BL6.4 T·m +8%
Xmax3 mm –
Sensitivity87.6 dB +0.8
Scanspeak18W/8424G00
£57.77 · 97% more, worseFs54 Hz +29%, worse
Qts0.45 −12%, better
Vas20.3 L −22%, better
BL6.6 T·m +12%, better
Xmax2.6 mm −13%, worse
Sensitivity90 dB +3.2, better
WavecorWF168WA02
£60.59 · 107% more, worseFs49 Hz +17%, worse
Qts0.52 –
Vas24.6 L −5%
BL6.4 T·m +8%
Xmax3 mm –
Sensitivity89.2 dB +2.4, better
MonacorSPH-170
£80.38 · 174% more, worseFs38 Hz −10%
Qts0.44 −14%, better
Vas37 L +42%, worse
BL5.9 T·m –
Xmax3 mm –
Sensitivity87.7 dB +0.9
SEASH1217-08 CA18RLY
£90.62 · 209% more, worseFs42 Hz –
Qts0.47 −8%
Vas32 L +23%, worse
BL5.6 T·m −5%
Xmax5 mm +67%, better
Sensitivity88.3 dB +1.5
WavecorWF166TU02
£96.50 · 229% more, worseFs50 Hz +19%, worse
Qts0.48 −6%
Vas22.3 L −14%, better
BL5 T·m −15%, worse
Xmax3 mm –
Sensitivity89.5 dB +2.7, better
WavecorWF168WA01
£96.71 · 230% more, worseFs48 Hz +13%, worse
Qts0.43 −16%, better
Vas24.6 L −5%
BL5.1 T·m −14%, worse
Xmax3 mm –
Sensitivity89.6 dB +2.8, better
WavecorWF168WA05
£102.24 · 249% more, worseFs40 Hz −5%
Qts0.42 −18%, better
Vas27.7 L +7%
BL5 T·m −15%, worse
Xmax3 mm –
Sensitivity88 dB +1.2
Tang BandW6-2144
£141.51 · 383% more, worseFs45 Hz +7%
Qts0.45 −12%, better
Vas34.6 L +33%, worse
BL5.5 T·m −8%
Xmax3 mm –
Sensitivity89.1 dB +2.3, better
Scanspeak15W/8530K01
£157.04 · 436% more, worseFs38 Hz −10%
Qts0.50 –
Vas17 L −35%, better
BL5.8 T·m –
Xmax6.5 mm +117%, better
Sensitivity84.3 dB −2.5, worse
Scanspeak18M/4631T00
£192.54 · 557% more, worseFs65 Hz +55%, worse
Qts0.60 +18%, worse
Vas14 L −46%, better
BL5.6 T·m −5%
Xmax3 mm –
Sensitivity89.6 dB +2.8, better
HiViW6
No current priceFs40 Hz −5%
Qts0.52 –
Vas25.1 L −3%
BL6.7 T·m +13%, better
Xmax4.3 mm +43%, better
Sensitivity86 dB −0.8
Tang BandW6-1916
No current priceFs60 Hz +43%, worse
Qts0.46 −10%
Vas23.7 L −9%
BL5.8 T·m –
Xmax5 mm +67%, better
Sensitivity91.2 dB +4.4, better
PRV Audio6MB400-4
No current priceFs125 Hz +197%, worse
Qts0.52 –
Vas5.3 L −80%, better
BL6.6 T·m +11%, better
Xmax3 mm –
Sensitivity94.7 dB +7.9, better
WavecorWF146OM02
No current priceFs50 Hz +19%, worse
Qts0.51 –
Vas13.6 L −48%, better
BL5.4 T·m −9%
Xmax3.3 mm +10%
Sensitivity86.9 dB –
WavecorWF168OM02
No current priceFs40 Hz −5%
Qts0.54 +6%
Vas29.5 L +13%, worse
BL6 T·m –
Xmax4.2 mm +40%, better
Sensitivity87.2 dB –
Dayton AudioE150MR-4
No current priceFs75 Hz +79%, worse
Qts0.52 –
Vas7.4 L −72%, better
BL4.9 T·m −17%, worse
Xmax2.7 mm −10%
Sensitivity89.1 dB +2.3, better
Dayton AudioE150MR-8
No current priceFs74 Hz +76%, worse
Qts0.58 +14%, worse
Vas8 L −69%, better
BL6.1 T·m +4%
Xmax2.7 mm −10%
Sensitivity88.9 dB +2.1, better
WavecorWF166TU01
No current priceFs50 Hz +19%, worse
Qts0.45 −12%, better
Vas23.2 L −11%, better
BL5.2 T·m −12%, worse
Xmax3.5 mm +17%, better
Sensitivity89.9 dB +3.1, better
CIAREHMB165
No current priceFs86 Hz +105%, worse
Qts0.53 +4%
Vas8.6 L −67%, better
BL7 T·m +18%, better
Xmax3.5 mm +17%, better
Sensitivity91.4 dB +4.6, better
PeerlessSDS-160F25PR01-08
No current priceFs48 Hz +14%, worse
Qts0.58 +14%, worse
Vas21.8 L −16%, better
BL6.6 T·m +12%, better
Xmax8.1 mm +168%, better
Sensitivity87.5 dB +0.7
Tune the match
Choose the published values that matter to your design. Size stays matched to this driver.
Qts
Qes
VasL
Xmaxmm
BLTm
| Shop | Price | Against the lowest | Stock | Link |
|---|---|---|---|---|
Wilmslow Audio | £34.80, the lowest price | Stock not listed | Visit shop at Wilmslow Audio | |
LTT Import VAT and duty may apply | £29.31 | Stock not listed | Visit shop at LTT | |
SoundImports Import VAT and duty may apply | £37.64 | 8.2% above the lowest price | 4 in stock | Visit shop at SoundImports |
Best price over time
Tracked since 23 Jul