GRS6PT-8
£15.70 · 82% less, betterFs94 Hz −3%
Qts0.72 +4%
Vas9.5 L +46%, worse
BL6.4 T·m −7%
Xmax4.2 mm +8%
Sensitivity91.7 dB +1.2
6.5-inch LF driver · CSF061 series · 44 mm voice coil · 150 W
Lavoce CSF061.70K 8Ω
8 Ω · 95–20000 Hz
£86.22
SteadyBlue Aran · 22 in stock · All 1 offer
- Fs
- 97Hz
- Xmax
- 3.9mm
- SPL
- 91dB
- Pe
- 150W
- BL
- 6.9T·m
- Vd
- 56cm³
- Qts
- 0.69
- Vas
- 7L
Published graphs
Lavoce CSF061.70K is a 6.5-inch 8 ohm LF driver rated at 150 W RMS. The validated T/S data includes Fs 97 Hz, Qts 0.69, Vas 6.5 L, Xmax 3.9 mm, sensitivity 90.5 dB, plus 56 cm³ Vd and 114 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 £86.22.
The published T/S values agree with each other
Thiele/Small
- Fs
- 97Hz
- Qts
- 0.69
- Qes
- 0.85
- Qms
- 3.8
- Vas
- 6.5L
- Re
- 5.6Ω
- Le
- 0.30mH
Motor and cone
- BL
- 6.9T·m
- Sd
- 143cm²
- Mms
- 12g
- Xmax
- 3.9mm
- Vd †
- 56cm³
- Voice coil
- 44mm
Power and response
- Sensitivity †
- 90.5dB
- Manufacturer sensitivity
- 92dB
- Power
- 150W
- Impedance
- 8Ω
- Min. impedance
- 5.9Ω
- Range
- 95–20000Hz
- EBP †
- 114 · Leans vented
Size and mounting
- Weight
- 2kg
Other published values
- Cms
- 0.23mm/N
- Xmech
- 6.4
- Power Program
- 300
- High limit
- 6000Hz
Sensitivity shows 90.5 dB, calculated from the T/S values. Lavoce publishes 92.0 dB, 1.5 dB apart.
Excursion and motor values come from the LF section; the frequency range spans every section.
† Calculated by bits from the published values
What this validation status means
Components and manufacturer details
LF
- BL
- 6.9T·m
- Fs
- 97Hz
- Le
- 0.30mH
- Re
- 5.6Ω
- Sd
- 143cm²
- Cms
- 0.23mm/N
- Mms
- 12g
- Qes
- 0.85
- Qms
- 3.8
- Qts
- 0.69
- SPL
- 90.5dB
- Vas
- 6.5L
- Xmax
- 3.9mm
- Xmech
- 6.4
- Power
- 150W
- Impedance
- 8Ω
- Sensitivity
- 92dB
- Low limit
- 95Hz
- Power Program
- 300
- Calculated sensitivity †
- 90.5dB
- High limit
- 6000Hz
- Manufacturer sensitivity
- 92dB
- Min. impedance
- 5.9Ω
- Voice coil
- 44mm
- Weight
- 2kg
HF
- SPL
- 103.5dB
- Power
- 35W
- Impedance
- 8Ω
- Flux density
- 1.30T
- Sensitivity
- 103.5dB
- Low limit
- 1500Hz
- Power Program
- 70
- High limit
- 20000Hz
- Throat
- 25mm
- Manufacturer sensitivity
- 103.5dB
- Min. impedance
- 7.5Ω
- Voice coil
- 35mm
- Crossover
- 2200Hz
02
Compare
Same-size drivers, compared with the CSF061.70K. Clear differences are green when better and red when worse.
This driverCSF061.70K
Best price
£86.22
Fs
97 Hz
Qts
0.69
Vas
6.5 L
BL
6.9 T·m
Xmax
3.9 mm
Sensitivity
90.5 dB
Power
150 W
VisatonBG 17
£18.25 · 79% less, betterFs120 Hz +24%, worse
Qts0.74 +7%
Vas8.2 L +26%, worse
BL5.7 T·m −17%, worse
Xmax1.5 mm −62%, worse
Sensitivity93.6 dB +3.1, better
VisatonW 170
£19.63 · 77% less, betterFs57 Hz −41%, better
Qts0.69 –
Vas24 L +269%, worse
BL5 T·m −28%, worse
Xmax2 mm −49%, worse
Sensitivity89 dB −1.5
PRV Audio6MR250B-4
£26.11 · 70% less, betterFs143 Hz +47%, worse
Qts0.82 +19%, worse
Vas4 L −38%, better
BL5.8 T·m −16%, worse
Xmax3.3 mm −17%, worse
Sensitivity93.4 dB +2.9, better
FaitalPRO6FE200
£29.50 · 66% less, betterFs120 Hz +24%, worse
Qts0.67 –
Vas3.6 L −45%, better
BL8.2 T·m +19%, better
Xmax4.7 mm +20%, better
Sensitivity91.2 dB +0.7
Dayton AudioDA175-8
£29.91 · 65% less, betterFs39 Hz −60%, better
Qts0.58 −16%, better
Vas16.3 L +151%, worse
BL7.2 T·m +4%
Xmax4.3 mm +9%
Sensitivity83.4 dB −7.1, worse
Dayton AudioMB620-8
£33.65 · 61% less, betterFs104 Hz +7%
Qts0.59 −14%, better
Vas6.8 L +4%
BL6.7 T·m −3%
Xmax2 mm −49%, worse
Sensitivity92.5 dB +2, better
Sica6 D 1.5 CS
£37.26 · 57% less, betterFs109 Hz +12%, worse
Qts0.63 −9%
Vas4.4 L −32%, better
BL7.4 T·m +7%
Xmax1.5 mm −62%, worse
Sensitivity90.6 dB –
Dayton AudioLW150-4
£41.13 · 52% less, betterFs63 Hz −35%, better
Qts0.64 −7%
Vas3.5 L −46%, better
BL6.5 T·m −6%
Xmax4 mm –
Sensitivity82.8 dB −7.7, worse
PeerlessHDS-P830883
£42.08 · 51% less, betterFs68 Hz −30%, better
Qts0.67 –
Vas6.8 L +5%
BL7.8 T·m +13%, better
Xmax7.6 mm +95%, better
Sensitivity85.5 dB −5, worse
CelestionTF0615
£46.00 · 47% less, betterFs105 Hz +8%
Qts0.61 −12%, better
Vas6.4 L –
BL8.8 T·m +28%, better
Xmax1.8 mm −55%, worse
Sensitivity92.1 dB +1.6
PRV Audio6MR400-4
£48.52 · 44% less, betterFs144 Hz +49%, worse
Qts0.60 −13%, better
Vas4.4 L −32%, better
BL6.4 T·m −8%
Xmax3.3 mm −17%, worse
Sensitivity95.2 dB +4.7, better
EminenceALPHA-6A
£59.00 · 32% less, betterFs103 Hz +6%
Qts0.54 −22%, better
Vas5.8 L −11%, better
BL8 T·m +16%, better
Xmax3.5 mm −10%, worse
Sensitivity92.3 dB +1.8
VisatonW 165 A
£72.80 · 16% less, betterFs60 Hz −38%, better
Qts0.63 −9%
Vas7.8 L +21%, worse
BL5.0 T·m −28%, worse
Xmax4.7 mm +19%, better
Sensitivity85.6 dB −4.9, worse
RS SpeakersMW 140.38 FIBONACCI
£118.90 · 38% more, worseFs56 Hz −43%, better
Qts0.44 −36%, better
Vas6.9 L +6%
BL6.2 T·m −11%, worse
Xmax4 mm –
Sensitivity85.9 dB −4.6, worse
Scanspeak18M/8631T00
£192.54 · 123% more, worseFs65 Hz −33%, better
Qts0.71 –
Vas14 L +115%, worse
BL6.5 T·m −6%
Xmax3 mm −23%, worse
Sensitivity88.7 dB −1.8
CelestionFTX0617
No current priceFs100 Hz +3%
Qts0.74 +7%
Vas7.4 L +13%, worse
BL6.6 T·m −4%
Xmax3.5 mm −10%, worse
Sensitivity91 dB +0.5
Lii AudioST-5
No current priceFs56 Hz −42%, better
Qts0.66 −4%
Vas14.3 L +120%, worse
BL5.8 T·m −16%, worse
Xmax4 mm –
Sensitivity86.7 dB −3.8, worse
No photo
LavoceCSF061.21
No current priceFs90 Hz −7%
Qts0.67 –
Vas8.5 L +30%, worse
BL6.1 T·m −12%, worse
Xmax3.2 mm −18%, worse
Sensitivity91 dB +0.5
PRV Audio6MR400CF-4
No current priceFs131 Hz +35%, worse
Qts0.76 +10%, worse
Vas4.1 L −37%, better
BL6.3 T·m −8%
Xmax3.5 mm −10%, worse
Sensitivity92.8 dB +2.3, better
PRV Audio6MB400
No current priceFs117 Hz +21%, worse
Qts0.60 −13%, better
Vas5.7 L −12%, better
BL8.3 T·m +20%, better
Xmax4 mm –
Sensitivity93.6 dB +3.1, better
PRV Audio69FR250-4
No current priceFs82 Hz −15%, better
Qts0.70 –
Vas13.9 L +114%, worse
BL6.1 T·m −12%, worse
Xmax3.5 mm −10%, worse
Sensitivity92.2 dB +1.7
PRV Audio6MR360
No current priceFs128 Hz +32%, worse
Qts0.60 −13%, better
Vas4.9 L −24%, better
BL8.3 T·m +20%, better
Xmax4 mm –
Sensitivity94.2 dB +3.7, better
PRV Audio6MR360-4
No current priceFs143 Hz +47%, worse
Qts0.57 −17%, better
Vas3.8 L −42%, better
BL6.7 T·m –
Xmax4 mm –
Sensitivity94.7 dB +4.2, better
CIAREPWA6.38
No current priceFs77 Hz −21%, better
Qts0.56 −19%, better
Vas5.6 L −14%, better
BL8.7 T·m +26%, better
Xmax4 mm –
Sensitivity88.2 dB −2.3, worse
CIAREHMB165
No current priceFs86 Hz −11%, better
Qts0.53 −23%, better
Vas8.6 L +32%, worse
BL7 T·m –
Xmax3.5 mm −10%, worse
Sensitivity91.4 dB +0.9
CIARECXI160
No current priceFs91 Hz −6%
Qts0.51 −26%, better
Vas7.8 L +20%, worse
BL6.8 T·m –
Xmax4.5 mm +15%, better
Sensitivity92.2 dB +1.7
Sica5.5 C 1.5 CP
No current priceFs62 Hz −36%, better
Qts0.31 −55%, better
Vas5.4 L −17%, better
BL7.9 T·m +14%, better
Xmax4 mm –
Sensitivity87.8 dB −2.7, worse
Dayton AudioE150MR-8
No current priceFs74 Hz −24%, better
Qts0.58 −16%, better
Vas8 L +23%, worse
BL6.1 T·m −11%, worse
Xmax2.7 mm −31%, worse
Sensitivity88.9 dB −1.6
REDCATT61XR
No current priceFs64 Hz −34%, better
Qts0.72 +4%
Vas8.6 L +32%, worse
BL4.8 T·m −31%, worse
Xmax8.1 mm +108%, better
Sensitivity85.7 dB −4.8, worse
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 |
|---|---|---|---|---|
Blue Aran | £86.22, the lowest price | 22 in stock | Visit shop at Blue Aran |
Best price over time
Tracked since 1 Apr