GRS6PR-8
£13.36Fs69 Hz −31%, better
Qts0.87 +18%, worse
Vas10.6 L +44%, worse
BL6.1 T·m −7%
Xmax3 mm −14%, worse
Sensitivity86.8 dB −4.2, worse
6.5-inch LF driver · FTX0617 series · 34 mm voice coil · 40 W
Celestion FTX0617 8Ω
8 Ω · 1500–20000 Hz
No current price
- Fs
- 100Hz
- Xmax
- 3.5mm
- SPL
- 91dB
- Pe
- 40W
- BL
- 6.6T·m
- Vd
- 54cm³
- Qts
- 0.74
- Vas
- 7L
Published graphs
Celestion FTX0617 is a 6.5-inch 8 ohm LF driver rated at 40 W RMS. The validated T/S data includes Fs 100 Hz, Qts 0.74, Vas 7.4 L, Xmax 3.5 mm, sensitivity 91 dB, plus 54 cm³ Vd and 108 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
- 100Hz
- Qts
- 0.74
- Qes
- 0.93
- Qms
- 3.7
- Vas
- 7.4L
- Re
- 5.5Ω
- Le
- 0.27mH
Motor and cone
- BL
- 6.6T·m
- Sd
- 154cm²
- Mms
- 12g
- Xmax
- 3.5mm
- Vd †
- 54cm³
- Voice coil
- 34mm
Power and response
- Sensitivity †
- 91dB
- Manufacturer sensitivity
- 103dB
- Power
- 40W
- Impedance
- 8Ω
- Range
- 1500–20000Hz
- EBP †
- 108 · Leans vented
Size and mounting
- Diameter
- 189mm
- Cutout
- 150mm
- Bolt circle
- 173.5mm
- Depth
- 93mm
- Weight
- 3kg
Other published values
- Cms
- 0.22mm/N
- Rms
- 1.99kg/s
- Power Program
- 80
Sensitivity shows 91.0 dB, calculated from the T/S values. Celestion publishes 103.0 dB, 12.0 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 · Primary · 6.5″
- BL
- 6.6T·m
- Fs
- 100Hz
- Le
- 0.27mH
- Re
- 5.5Ω
- Sd
- 154cm²
- Cms
- 0.22mm/N
- Mms
- 12g
- Qes
- 0.93
- Qms
- 3.7
- Qts
- 0.74
- Rms
- 1.99kg/s
- SPL
- 91dB
- Vas
- 7.4L
- Xmax
- 3.5mm
- Power
- 40W
- Impedance
- 8Ω
- Sensitivity
- 103dB
- Low limit
- 1500Hz
- Power Program
- 80
- Calculated sensitivity †
- 91dB
- High limit
- 20000Hz
- Manufacturer sensitivity
- 103dB
- Voice coil
- 34mm
- Weight
- 3kg
- Diameter
- 189mm
- Depth
- 93mm
- Cutout
- 150mm
- Bolt circle
- 173.5mm
02
Compare
Same-size drivers, compared with the FTX0617. Clear differences are green when better and red when worse.
This driverFTX0617
Best price
–
Fs
100 Hz
Qts
0.74
Vas
7.4 L
BL
6.6 T·m
Xmax
3.5 mm
Sensitivity
91 dB
Power
40 W
GRS6PT-8
£15.70Fs94 Hz −6%
Qts0.72 –
Vas9.5 L +29%, worse
BL6.4 T·m –
Xmax4.2 mm +20%, better
Sensitivity91.7 dB +0.7
VisatonBG 17
£18.25Fs120 Hz +20%, worse
Qts0.74 –
Vas8.2 L +11%, worse
BL5.7 T·m −14%, worse
Xmax1.5 mm −57%, worse
Sensitivity93.6 dB +2.6, better
VisatonW 170
£19.63Fs57 Hz −43%, better
Qts0.69 −7%
Vas24 L +226%, worse
BL5 T·m −24%, worse
Xmax2 mm −43%, worse
Sensitivity89 dB −2, worse
GRS6LPSW-4
£20.89Fs48 Hz −52%, better
Qts1.07 +45%, worse
Vas7.6 L +3%
BL5.4 T·m −18%, worse
Xmax4 mm +14%, better
Sensitivity80 dB −11, worse
PRV Audio6MR250B-4
£26.11Fs143 Hz +43%, worse
Qts0.82 +11%, worse
Vas4 L −46%, better
BL5.8 T·m −12%, worse
Xmax3.3 mm −7%
Sensitivity93.4 dB +2.4, better
CelestionTRUVOX 0615
£32.65Fs90 Hz −10%, better
Qts0.47 −36%, better
Vas7.4 L –
BL8.0 T·m +22%, better
Xmax3.5 mm –
Sensitivity92.2 dB +1.2
Dayton AudioMB620-8
£33.65Fs104 Hz +4%
Qts0.59 −20%, better
Vas6.8 L −8%
BL6.7 T·m –
Xmax2 mm −43%, worse
Sensitivity92.5 dB +1.5
Sica6 D 1.5 CS
£37.26Fs109 Hz +9%
Qts0.63 −15%, better
Vas4.4 L −40%, better
BL7.4 T·m +12%, better
Xmax1.5 mm −57%, worse
Sensitivity90.6 dB –
CIARECME160
£40.47Fs110 Hz +10%, worse
Qts0.40 −46%, better
Vas4.5 L −39%, better
BL7.6 T·m +15%, better
Xmax3.5 mm –
Sensitivity93.3 dB +2.3, better
Dayton AudioLW150-4
£41.13Fs63 Hz −37%, better
Qts0.64 −13%, better
Vas3.5 L −53%, better
BL6.5 T·m –
Xmax4 mm +14%, better
Sensitivity82.8 dB −8.2, worse
PeerlessHDS-P830883
£42.08Fs68 Hz −32%, better
Qts0.67 −9%
Vas6.8 L −8%
BL7.8 T·m +18%, better
Xmax7.6 mm +118%, better
Sensitivity85.5 dB −5.5, worse
PRV Audio6FR200
£47.27Fs112 Hz +12%, worse
Qts1.29 +75%, worse
Vas6.9 L −6%
BL5.2 T·m −22%, worse
Xmax3.5 mm –
Sensitivity90.4 dB −0.6
PRV Audio6MR400-4
£48.52Fs144 Hz +44%, worse
Qts0.60 −19%, better
Vas4.4 L −40%, better
BL6.4 T·m −3%
Xmax3.3 mm −7%
Sensitivity95.2 dB +4.2, better
EminenceALPHA-6A
£59.00Fs103 Hz +3%
Qts0.54 −27%, better
Vas5.8 L −21%, better
BL8 T·m +21%, better
Xmax3.5 mm –
Sensitivity92.3 dB +1.3
VisatonW 165 A
£72.80Fs60 Hz −40%, better
Qts0.63 −15%, better
Vas7.8 L +6%
BL5.0 T·m −24%, worse
Xmax4.7 mm +33%, better
Sensitivity85.6 dB −5.4, worse
LavoceCSF061.70K
£86.22Fs97 Hz −3%
Qts0.69 −7%
Vas6.5 L −12%, better
BL6.9 T·m +5%
Xmax3.9 mm +11%, better
Sensitivity90.5 dB −0.5
RS SpeakersMW 140.38 FIBONACCI
£118.90Fs56 Hz −44%, better
Qts0.44 −40%, better
Vas6.9 L −6%
BL6.2 T·m −7%
Xmax4 mm +14%, better
Sensitivity85.9 dB −5.1, worse
Scanspeak18M/8631T00
£192.54Fs65 Hz −35%, better
Qts0.71 −4%
Vas14 L +90%, worse
BL6.5 T·m –
Xmax3 mm −14%, worse
Sensitivity88.7 dB −2.3, worse
PRV Audio6MR400CF-4
No current priceFs131 Hz +31%, worse
Qts0.76 –
Vas4.1 L −44%, better
BL6.3 T·m −4%
Xmax3.5 mm –
Sensitivity92.8 dB +1.8
No photo
LavoceCSF061.21
No current priceFs90 Hz −10%, better
Qts0.67 −9%
Vas8.5 L +15%, worse
BL6.1 T·m −8%
Xmax3.2 mm −9%
Sensitivity91 dB –
PRV Audio69FR250-4
No current priceFs82 Hz −18%, better
Qts0.70 −5%
Vas13.9 L +89%, worse
BL6.1 T·m −7%
Xmax3.5 mm –
Sensitivity92.2 dB +1.2
PRV Audio6MR400-NDY-4
No current priceFs178 Hz +78%, worse
Qts0.87 +18%, worse
Vas2.4 L −67%, better
BL6.0 T·m −8%
Xmax3.3 mm −7%
Sensitivity93.7 dB +2.7, better
CIAREHMB165
No current priceFs86 Hz −14%, better
Qts0.53 −28%, better
Vas8.6 L +17%, worse
BL7 T·m +6%
Xmax3.5 mm –
Sensitivity91.4 dB –
REDCATT61XR
No current priceFs64 Hz −36%, better
Qts0.72 –
Vas8.6 L +17%, worse
BL4.8 T·m −28%, worse
Xmax8.1 mm +131%, better
Sensitivity85.7 dB −5.3, worse
Lii AudioST-5
No current priceFs56 Hz −44%, better
Qts0.66 −10%, better
Vas14.3 L +94%, worse
BL5.8 T·m −12%, worse
Xmax4 mm +14%, better
Sensitivity86.7 dB −4.3, worse
Dayton AudioE150MR-8
No current priceFs74 Hz −26%, better
Qts0.58 −21%, better
Vas8 L +9%
BL6.1 T·m −7%
Xmax2.7 mm −23%, worse
Sensitivity88.9 dB −2.1, worse
HiViD6.4MKII
No current priceFs53 Hz −47%, better
Qts0.35 −53%, better
Vas8.5 L +15%, worse
BL7.8 T·m +19%, better
Xmax3.5 mm –
Sensitivity86.9 dB −4.1, worse
PRV Audio6MB400-4
No current priceFs125 Hz +25%, worse
Qts0.52 −30%, better
Vas5.3 L −28%, better
BL6.6 T·m –
Xmax3 mm −14%, worse
Sensitivity94.7 dB +3.7, better
Audio Technology15 H 52 06 13 SDKAM-LR
No current priceFs65 Hz −35%, better
Qts0.45 −39%, better
Vas9.2 L +25%, worse
BL6.4 T·m –
Xmax4 mm +14%, better
Sensitivity89.1 dB −1.9
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.