Dayton AudioDC160-8
£26.17Fs36 Hz −31%, better
Qts0.34 –
Vas17.9 L +36%, worse
BL10.7 T·m +9%
Xmax3.1 mm +9%
Sensitivity85.3 dB −3.7, worse
6.5-inch LF driver · PTT series · 39 mm voice coil · 80 W
Purifi PTT6.5M08-NFA-01 8Ω
8 Ω
No price for delivery to the UK
- Fs
- 52Hz
- Xmax
- 2.9mm
- SPL
- 89dB
- Pe
- 80W
- BL
- 9.8T·m
- Vd
- 38cm³
- Qts
- 0.34
- Vas
- 13L
Purifi PTT6.5M08-NFA-01 is a 6.5-inch 8 ohm LF driver rated at 80 W RMS. The validated T/S data includes Fs 52 Hz, Qts 0.34, Vas 13.2 L, Xmax 2.9 mm, sensitivity 89 dB, plus 38 cm³ Vd and 141 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
- 52Hz
- Qts
- 0.34
- Qes
- 0.37
- Qms
- 4
- Vas
- 13.2L
- Re
- 6.2Ω
- Le
- 0.39mH
Motor and cone
- BL
- 9.8T·m
- Sd
- 133cm²
- Mms
- 18g
- Xmax
- 2.9mm
- Vd †
- 38cm³
- Voice coil
- 39mm
Power and response
- Sensitivity †
- 89dB
- Manufacturer sensitivity
- 90.9dB
- Power
- 80W
- Impedance
- 8Ω
- Min. impedance
- 6.8Ω
- Crossover
- 200Hz
- EBP †
- 141 · Leans vented
Size and mounting
- Diameter
- 176mm
- Cutout
- 148mm
- Bolt circle
- 166mm
- Weight
- 1.8kg
Other published values
- Cms
- 0.53mm/N
- Rms
- 1.46kg/s
- Xmech
- 14.5
- Power Peak
- 200
Other dimensions
- Mounting Depth
- 85.2
Sensitivity shows 89.0 dB, calculated from the T/S values. Purifi publishes 90.9 dB, 1.9 dB apart.
† Calculated by bits from the published values
What this validation status means
Everything else Purifi lists
MF · Primary · 6.5″
- BL
- 9.8T·m
- Fs
- 52Hz
- Le
- 0.39mH
- Re
- 6.2Ω
- Sd
- 133cm²
- Cms
- 0.53mm/N
- Mms
- 18g
- Qes
- 0.37
- Qms
- 4
- Qts
- 0.34
- Rms
- 1.46kg/s
- SPL
- 89dB
- Vas
- 13.2L
- Xmax
- 2.9mm
- Xmech
- 14.5
- Power
- 80W
- Impedance
- 8Ω
- Power Peak
- 200
- Sensitivity
- 90.9dB
- Calculated sensitivity †
- 89dB
- Manufacturer sensitivity
- 90.9dB
- Min. impedance
- 6.8Ω
- Voice coil
- 39mm
- Crossover
- 200Hz
- Weight
- 1.8kg
- Diameter
- 176mm
- Mounting Depth
- 85.2
- Cutout
- 148mm
- Bolt circle
- 166mm
02
Compare
Same-size drivers, compared with the PTT6.5M08-NFA-01. Clear differences are green when better and red when worse.
This driverPTT6.5M08-NFA-01
Best price
–
Fs
52 Hz
Qts
0.34
Vas
13.2 L
BL
9.8 T·m
Xmax
2.9 mm
Sensitivity
89 dB
Power
80 W
LavoceWSF061.52
£26.27Fs91 Hz +75%, worse
Qts0.34 –
Vas6.6 L −50%, better
BL10.8 T·m +10%, better
Xmax3.8 mm +31%, better
Sensitivity93.4 dB +4.4, better
HiViF6
£41.82Fs45 Hz −13%, better
Qts0.35 –
Vas16.4 L +24%, worse
BL9 T·m −8%
Xmax4.3 mm +48%, better
Sensitivity88 dB −1
Dayton AudioDCS165-4
£48.61Fs36 Hz −31%, better
Qts0.34 –
Vas12.1 L −8%
BL9.2 T·m −7%
Xmax6 mm +107%, better
Sensitivity83.9 dB −5.1, worse
WavecorWF146WA06
£53.11Fs40 Hz −23%, better
Qts0.36 +6%
Vas16.6 L +26%, worse
BL6.3 T·m −36%, worse
Xmax3 mm +3%
Sensitivity86.5 dB −2.5, worse
WavecorWF146WA05
£53.11Fs41 Hz −21%, better
Qts0.38 +12%, worse
Vas15.2 L +15%, worse
BL5 T·m −49%, worse
Xmax3 mm +3%
Sensitivity86.2 dB −2.8, worse
Sica6 H 1.5 CP
£55.18Fs46 Hz −12%, better
Qts0.35 –
Vas16.6 L +26%, worse
BL8.4 T·m −14%, worse
Xmax6 mm +107%, better
Sensitivity88.3 dB −0.7
MonacorSPH-6M
£58.61Fs39 Hz −25%, better
Qts0.30 −12%, better
Vas17.6 L +33%, worse
BL9.7 T·m –
Xmax4 mm +38%, better
Sensitivity86.8 dB −2.2, worse
CIAREFXI6
£62.80Fs70 Hz +35%, worse
Qts0.33 –
Vas8 L −39%, better
BL10.6 T·m +8%
Xmax5.3 mm +83%, better
Sensitivity90.7 dB +1.7
PRV Audio6MB550FT
£67.26Fs85 Hz +63%, worse
Qts0.34 –
Vas8.2 L −38%, better
BL9.8 T·m –
Xmax5.4 mm +86%, better
Sensitivity93.3 dB +4.3, better
FaitalPRO6PR150
£85.46Fs100 Hz +92%, worse
Qts0.34 –
Vas4.9 L −63%, better
BL11.6 T·m +18%, better
Xmax2.6 mm −9%
Sensitivity93.5 dB +4.5, better
B&C6PEV13
£86.62Fs126 Hz +142%, worse
Qts0.36 +6%
Vas6 L −55%, better
BL8.2 T·m −16%, worse
Xmax2.5 mm −14%, worse
Sensitivity96.9 dB +7.9, better
Eighteen Sound6NMB420
£115.20Fs110 Hz +112%, worse
Qts0.33 –
Vas6.1 L −54%, better
BL9 T·m −8%
Xmax3 mm +3%
Sensitivity95.3 dB +6.3, better
WavecorSW178WA01
£120.66Fs38 Hz −27%, better
Qts0.36 +7%
Vas12.2 L −8%
BL12 T·m +22%, better
Xmax5 mm +72%, better
Sensitivity84.6 dB −4.4, worse
Scanspeak15M/8631G00
£167.42Fs42 Hz −19%, better
Qts0.35 –
Vas16.2 L +23%, worse
BL6.8 T·m −31%, worse
Xmax3 mm +3%
Sensitivity87.1 dB −1.9
Scanspeak18WE/8542T00
£837.27Fs50 Hz −4%
Qts0.32 −6%
Vas16 L +21%, worse
BL9.7 T·m –
Xmax7.7 mm +166%, better
Sensitivity89.7 dB +0.7
PurifiPTT6.5M04-NFA-01
No current priceFs55 Hz +6%
Qts0.33 –
Vas11.7 L −11%, better
BL8.1 T·m −17%, worse
Xmax2.9 mm –
Sensitivity89.4 dB –
Eighteen Sound6NMB900
No current priceFs95 Hz +83%, worse
Qts0.32 −6%
Vas10.3 L −22%, better
BL8.5 T·m −13%, worse
Xmax3 mm +3%
Sensitivity95.9 dB +6.9, better
Tang BandW6-1914SB
No current priceFs70 Hz +35%, worse
Qts0.35 –
Vas11.1 L −16%, better
BL10.2 T·m +4%
Xmax0.5 mm −83%, worse
Sensitivity92.2 dB +3.2, better
Sica6 N 2 PL
No current priceFs68 Hz +31%, worse
Qts0.33 –
Vas8.7 L −34%, better
BL9.5 T·m −3%
Xmax3.5 mm +21%, better
Sensitivity90.8 dB +1.8
CelestionNTR06-17X
No current priceFs60 Hz +16%, worse
Qts0.32 −6%
Vas13.2 L –
BL10.4 T·m +6%
Xmax4.5 mm +55%, better
Sensitivity91.4 dB +2.4, better
BMS6CN160
No current priceFs79 Hz +52%, worse
Qts0.34 –
Vas8.9 L −33%, better
BL10 T·m –
Xmax5 mm +72%, better
Sensitivity92.7 dB +3.7, better
PurifiPTT6.5M08-NAA-08
No current priceFs38 Hz −27%, better
Qts0.31 −9%
Vas21.6 L +64%, worse
BL9.6 T·m –
Xmax2.9 mm –
Sensitivity87.6 dB −1.4
REDCATT61NPM
No current priceFs92 Hz +77%, worse
Qts0.36 +6%
Vas7 L −47%, better
BL9.8 T·m –
Xmax2.3 mm −21%, worse
Sensitivity93.6 dB +4.6, better
Sica6 NR 2 PL
No current priceFs61 Hz +16%, worse
Qts0.33 –
Vas9.4 L −29%, better
BL9.9 T·m –
Xmax4 mm +38%, better
Sensitivity89.9 dB +0.9
WavecorWF152BD08
No current priceFs46 Hz −12%, better
Qts0.35 –
Vas11.5 L −13%, better
BL8 T·m −18%, worse
Xmax4.5 mm +55%, better
Sensitivity87 dB −2, worse
WavecorWF152BD16
No current priceFs46 Hz −12%, better
Qts0.35 –
Vas11.5 L −13%, better
BL8 T·m −18%, worse
Xmax4.5 mm +55%, better
Sensitivity87 dB −2, worse
Beyma6CX200FE
No current priceFs65 Hz +25%, worse
Qts0.32 −6%
Vas10.5 L −20%, better
BL9.2 T·m −6%
Xmax5 mm +72%, better
Sensitivity91.3 dB +2.3, better
HiViD6.8+
No current priceFs44 Hz −15%, better
Qts0.36 +6%
Vas14.4 L +9%
BL9.0 T·m −9%
Xmax4 mm +38%, better
Sensitivity86.7 dB −2.3, worse
HiViD6G
No current priceFs44 Hz −15%, better
Qts0.38 +12%, worse
Vas12.1 L −8%
BL9.5 T·m −3%
Xmax4.8 mm +66%, better
Sensitivity85.8 dB −3.2, worse
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 52 ratings · Checked 25 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 |
|---|---|---|---|---|
SoundImports Import VAT and duty may apply | £360.00 | Back order | Visit shop at SoundImports |