B&C gives the tuning only; the port is yours to size.
8-inch LF driver · 8CLA series · 64 mm voice coil · 250 W
B&C 8CLA64 8Ω
8 Ω · 70–4000 Hz
No current price
- Fs
- 71Hz
- Xmax
- 5.3mm
- SPL
- 95dB
- Pe
- 250W
- BL
- 16.4T·m
- Vd
- 117cm³
- Qts
- 0.24
- Vas
- 13L
Published graphs
B&C 8CLA64 is an 8-inch 8 ohm LF driver rated at 250 W RMS. The validated T/S data includes Fs 71 Hz, Qts 0.24, Vas 12.5 L, Xmax 5.3 mm, sensitivity 94.6 dB, plus 117 cm³ Vd and 284 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
- 71Hz
- Qts
- 0.24
- Qes
- 0.25
- Qms
- 7.3
- Vas
- 12.5L
- Re
- 5.6Ω
- Le
- 1mH
Motor and cone
- BL
- 16.4T·m
- Sd
- 220cm²
- Mms
- 27g
- Xmax
- 5.3mm
- Vd †
- 117cm³
- Voice coil
- 64mm
- Flux density
- 1.20T
Power and response
- Sensitivity †
- 94.6dB
- Manufacturer sensitivity
- 96dB
- Power
- 250W
- Nominal power
- 250W
- Impedance
- 8Ω
- Min. impedance
- 6.5Ω
- Range
- 70–4000Hz
- EBP †
- 284 · Leans vented
Size and mounting
- Diameter
- 209mm
- Cutout
- 185mm
- Bolt circle
- 198mm
- Depth
- 95mm
- Weight
- 1.7kg
Sensitivity shows 94.6 dB, calculated from the T/S values. B&C publishes 96.0 dB, 1.4 dB apart.
† Calculated by bits from the published values
What this validation status means
Everything else B&C lists
LF
- BL
- 16.4T·m
- Fs
- 71Hz
- Le
- 1mH
- Re
- 5.6Ω
- Sd
- 220cm²
- Mms
- 27g
- Qes
- 0.25
- Qms
- 7.3
- Qts
- 0.24
- SPL
- 94.6dB
- Vas
- 12.5L
- Xmax
- 5.3mm
- Power
- 250W
- Impedance
- 8Ω
- Flux density
- 1.20T
- Sensitivity
- 96dB
- Low limit
- 70Hz
- Nominal power
- 250W
- Calculated sensitivity †
- 94.6dB
- High limit
- 4000Hz
- Manufacturer sensitivity
- 96dB
- Min. impedance
- 6.5Ω
- Voice coil
- 64mm
- Weight
- 1.7kg
- Diameter
- 209mm
- Depth
- 95mm
- Cutout
- 185mm
- Bolt circle
- 198mm
- Bl
- 16.4 Tm
- Fs
- 71 Hz
- Le
- 1 mH
- Re
- 5.6 Ω
- Sd
- 220 cm² (34.1 in²)
- Ebp
- 284 Hz
- Mms
- 27 g
- Qes
- 0.25
- Qms
- 7.3
- Qts
- 0.24
- Vas
- 12.5 dm³ (0.44 ft³)
- Η0
- 1.8 %
- Cone
- RCK008CLA648
- Xmax
- 5.3 mm
- Xvar
- 6.6 mm
- Depth
- 95 mm (3.74 in)
- Spider
- Single
- Cone shape
- Curvilinear
- Net weight
- 1.7 kg (3.75 lb)
- Pole design
- Straight Pole
- Sensitivity
- 96 dB
- Flux density
- 1.2 T
- Winding depth
- 14.5 mm (0.57 in)
- Surround shape
- Double Roll
- Former material
- SV Kraft
- Frequency range
- 70 Hz - 4000 Hz
- Magnet material
- Neodymium Inside Slug
- Nominal diameter
- 200 mm (8 in)
- Overall diameter
- 209 mm (8.23 in)
- Winding material
- Aluminium
- Minimum impedance
- 6.5 Ω
- Nominal impedance
- 8 Ω
- Magnetic gap depth
- 8 mm (0.31 in)
- Recommended loading
- Vented Box
- Voice coil diameter
- 64 mm (2.5 in)
- Bolt circle diameter
- 198 mm (7.8 in)
- Woofer cone treatment
- WP Waterproof Front Side
- Baffle cutout diameter
- 185 mm (7.3 in)
- Nominal power handling
- 250 W
- Continuous power handling
- 500 W
- Flange and gasket thickness
- 9 mm (0.35 in)
- Air volume occupied by driver
- 1.1 dm³ (0.04 ft³)
B&C’s suggested box
From B&C’s 8CLA64 page
Open the 8CLA64 in 00 Simulator
03
Compare
Same-size drivers, compared with the 8CLA64. Clear differences are green when better and red when worse.
This driver8CLA64
Best price
–
Fs
71 Hz
Qts
0.24
Vas
12.5 L
BL
16.4 T·m
Xmax
5.3 mm
Sensitivity
94.6 dB
Power
250 W
REDCATT8FIND
£58.44Fs70 Hz –
Qts0.25 +4%
Vas18.2 L +46%, worse
BL14.3 T·m −13%, worse
Xmax2.2 mm −58%, worse
Sensitivity96 dB +1.4
LavoceMAF082.00
£75.38Fs85 Hz +20%, worse
Qts0.20 −17%, better
Vas11.3 L −10%
BL17.2 T·m +5%
Xmax2.6 mm −51%, worse
Sensitivity97 dB +2.4, better
Beyma8WRS300
£75.85Fs65 Hz −8%
Qts0.28 +17%, worse
Vas15 L +20%, worse
BL15.2 T·m −7%
Xmax6 mm +13%, better
Sensitivity93.4 dB −1.2
Beyma8WR300
£91.09Fs65 Hz −8%
Qts0.27 +13%, worse
Vas15 L +20%, worse
BL15.5 T·m −5%
Xmax6 mm +13%, better
Sensitivity93.6 dB −1
B&C8PE21
£93.17Fs87 Hz +23%, worse
Qts0.19 −21%, better
Vas13 L +4%
BL16.6 T·m –
Xmax2.5 mm −53%, worse
Sensitivity98.3 dB +3.7, better
Eighteen Sound8M400F
£114.19Fs89 Hz +25%, worse
Qts0.26 +8%
Vas13.7 L +10%
BL13.1 T·m −20%, worse
Xmax3 mm −43%, worse
Sensitivity97.4 dB +2.8, better
B&C8FW51
£116.03Fs74 Hz +4%
Qts0.21 −13%, better
Vas12 L −4%
BL17.7 T·m +8%
Xmax6 mm +13%, better
Sensitivity95.7 dB +1.1
B&C8NDL64
£121.96Fs80 Hz +13%, worse
Qts0.25 +4%
Vas9.6 L −23%, better
BL17.5 T·m +7%
Xmax4.5 mm −15%, worse
Sensitivity95 dB –
B&C8MDN51
£136.46Fs70 Hz –
Qts0.20 −17%, better
Vas16 L +28%, worse
BL15.3 T·m −7%
Xmax6 mm +13%, better
Sensitivity96.2 dB +1.6
Eighteen Sound8NW650
£138.53Fs63 Hz −11%, better
Qts0.25 +4%
Vas17.8 L +42%, worse
BL15.2 T·m −7%
Xmax5.5 mm +4%
Sensitivity94.2 dB –
Eighteen Sound8NTLW2000
£138.90Fs71 Hz –
Qts0.21 −13%, better
Vas13 L +4%
BL17.5 T·m +7%
Xmax4.4 mm −17%, worse
Sensitivity95.5 dB +0.9
CelestionFTX0820
£139.00Fs79 Hz +11%, worse
Qts0.28 +16%, worse
Vas13.1 L +5%
BL14.6 T·m −11%, worse
Xmax4 mm −25%, worse
Sensitivity95.2 dB +0.6
Beyma8MC500ND
£140.00Fs69 Hz –
Qts0.18 −25%, better
Vas15.9 L +27%, worse
BL16.7 T·m –
Xmax5 mm −6%
Sensitivity96.4 dB +1.8
LavoceWAN082.02
£148.73Fs80 Hz +13%, worse
Qts0.23 −4%
Vas9.0 L −28%, better
BL17.8 T·m +8%
Xmax5.8 mm +9%
Sensitivity94.7 dB –
MonacorFTX0820/8
£163.03Fs79 Hz +11%, worse
Qts0.28 +16%, worse
Vas13.1 L +5%
BL14.6 T·m −11%, worse
Xmax4 mm −25%, worse
Sensitivity95.2 dB +0.6
Beyma8MC300ND
£177.87Fs62 Hz −13%, better
Qts0.22 −8%
Vas18 L +44%, worse
BL16 T·m –
Xmax6 mm +13%, better
Sensitivity94.6 dB –
Eighteen Sound8NMB750
£216.82Fs88 Hz +24%, worse
Qts0.27 +13%, worse
Vas6.9 L −45%, better
BL18.7 T·m +14%, better
Xmax6.1 mm +15%, better
Sensitivity94.3 dB –
FaitalPRO8HX200
£252.39Fs76 Hz +7%
Qts0.30 +25%, worse
Vas13.1 L +5%
BL13.8 T·m −16%, worse
Xmax4.9 mm −7%
Sensitivity94.7 dB –
AccutonC173-6-096
£846.91Fs50 Hz −30%, better
Qts0.22 −8%
Vas17.0 L +36%, worse
BL11.4 T·m −30%, worse
Xmax5 mm −6%
Sensitivity91.5 dB −3.1, worse
Oberton8NB201
No current priceFs71 Hz –
Qts0.24 –
Vas12.5 L –
BL14.4 T·m −12%, worse
Xmax5.3 mm –
Sensitivity94.4 dB –
Oberton8NMB250V4
No current priceFs82 Hz +16%, worse
Qts0.26 +8%
Vas10.9 L −13%, better
BL14.3 T·m −13%, worse
Xmax4.5 mm −15%, worse
Sensitivity95.5 dB +0.9
LavoceWAF082.01
No current priceFs76 Hz +7%
Qts0.21 −13%, better
Vas10.2 L −18%, better
BL17.9 T·m +9%
Xmax5.8 mm +9%
Sensitivity95.1 dB +0.5
CelestionNTR08-2009D
No current priceFs71 Hz –
Qts0.21 −12%, better
Vas11.7 L −7%
BL18.0 T·m +10%
Xmax6.5 mm +23%, better
Sensitivity94.6 dB –
Acoustic EleganceTD8M-8
No current priceFs76 Hz +7%
Qts0.26 +8%
Vas11.3 L −10%
BL15.5 T·m −5%
Xmax3 mm −43%, worse
Sensitivity94.6 dB –
No photo
PHL Audio2510
No current priceFs72 Hz –
Qts0.24 –
Vas13.3 L +6%
BL23 T·m +40%, better
Xmax4 mm −25%, worse
Sensitivity95 dB –
No photo
PHL Audio2513NDU
No current priceFs70 Hz –
Qts0.23 −4%
Vas12.5 L –
BL24 T·m +46%, better
Xmax4 mm −25%, worse
Sensitivity94.5 dB –
WavecorWF182BD14
No current priceFs36 Hz −49%, better
Qts0.25 +4%
Vas23 L +84%, worse
BL6.9 T·m −58%, worse
Xmax5.5 mm +4%
Sensitivity88.2 dB −6.4, worse
WavecorWF182BD04
No current priceFs34 Hz −52%, better
Qts0.25 +4%
Vas32.4 L +159%, worse
BL6.8 T·m −59%, worse
Xmax5.5 mm +4%
Sensitivity88.9 dB −5.7, worse
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.