- Net volume
- 11L
- Tuning
- 95Hz
B&C gives the volume and tuning; the port is sized for the driver when you open it.
6.5-inch LF driver · 6CLA series · 51 mm voice coil · 250 W
B&C 6CLA51 8Ω
100–4000 Hz
No current price
- Fs
- 96Hz
- Xmax
- 4.8mm
- SPL
- 92dB
- Pe
- 250W
- BL
- 11.4T·m
- Vd
- 63cm³
- Qts
- 0.32
- Vas
- 4L
Published graphs
B&C 6CLA51 is a 6.5-inch 8 ohm LF driver rated at 250 W RMS. The validated T/S data includes Fs 96 Hz, Qts 0.32, Vas 4.3 L, Xmax 4.8 mm, sensitivity 92.3 dB, plus 63 cm³ Vd and 267 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
- 96Hz
- Qts
- 0.32
- Qes
- 0.36
- Qms
- 2.9
- Vas
- 4.3L
- Re
- 5Ω
- Le
- 0.90mH
Motor and cone
- BL
- 11.4T·m
- Sd
- 132cm²
- Mms
- 15g
- Xmax
- 4.8mm
- Vd †
- 63cm³
- Voice coil
- 51mm
- Flux density
- 1.05T
Power and response
- Sensitivity †
- 92.3dB
- Manufacturer sensitivity
- 94.5dB
- Power
- 250W
- Nominal power
- 250W
- Impedance
- 8Ω
- Min. impedance
- 6.1Ω
- Range
- 100–4000Hz
- EBP †
- 267 · Leans vented
Size and mounting
- Diameter
- 180mm
- Cutout
- 146mm
- Bolt circle
- 165mm
- Depth
- 80mm
- Weight
- 1.2kg
Sensitivity shows 92.3 dB, calculated from the T/S values. B&C publishes 94.5 dB, 2.2 dB apart.
† Calculated by bits from the published values
What this validation status means
Everything else B&C lists
LF
- BL
- 11.4T·m
- Fs
- 96Hz
- Le
- 0.90mH
- Re
- 5Ω
- Sd
- 132cm²
- Mms
- 15g
- Qes
- 0.36
- Qms
- 2.9
- Qts
- 0.32
- SPL
- 92.3dB
- Vas
- 4.3L
- Xmax
- 4.8mm
- Power
- 250W
- Impedance
- 8Ω
- Flux density
- 1.05T
- Sensitivity
- 94.5dB
- Low limit
- 100Hz
- Nominal power
- 250W
- Calculated sensitivity †
- 92.3dB
- High limit
- 4000Hz
- Manufacturer sensitivity
- 94.5dB
- Min. impedance
- 6.1Ω
- Voice coil
- 51mm
- Weight
- 1.2kg
- Diameter
- 180mm
- Depth
- 80mm
- Cutout
- 146mm
- Bolt circle
- 165mm
- Bl
- 11.4 Tm
- Fs
- 96 Hz
- Le
- 0.9 mH
- Re
- 5 Ω
- Sd
- 132 cm² (20.5 in²)
- Ebp
- 267 Hz
- Mms
- 15 g
- Qes
- 0.36
- Qms
- 2.9
- Qts
- 0.32
- Vas
- 4.3 dm³ (0.13 ft³)
- Η0
- 1.1 %
- Cone
- RCK06CLA518
- Xmax
- 4.8 mm
- Xvar
- 4 mm
- Depth
- 80 mm (4.45 in)
- Spider
- Single
- Cone shape
- Radial
- Net weight
- 1.2 kg (2.65 lb)
- Pole design
- T-Pole
- Sensitivity
- 94.5 dB
- Flux density
- 1.05 T
- Shipping box
- 210x210x125 mm (8.27x8.27x4.92 in)
- Winding depth
- 13.5 mm (0.53 in)
- Shipping units
- 1 pcs
- Surround shape
- Triple Roll
- Former material
- Polyimide
- Frequency range
- 100 Hz - 4000 Hz
- Magnet material
- Neodymium Inside Slug
- Shipping weight
- 1.45 kg (3.2 lb)
- Nominal diameter
- 170 mm (6.5 in)
- Overall diameter
- 180 mm (7.09 in)
- Winding material
- Aluminium
- Minimum impedance
- 6.1 Ω
- Nominal impedance
- 8 Ω
- Magnetic gap depth
- 8 mm (0.31 in)
- Recommended tuning
- 95 Hz
- Recommended loading
- Vented Box
- Voice coil diameter
- 51 mm (2 in)
- Bolt circle diameter
- 165 mm (6.5 in)
- Recommended enclosure
- 11 dm³ (0.39 ft³)
- Woofer cone treatment
- WP Waterproof Front Side
- Baffle cutout diameter
- 146 mm (5.75 in)
- Nominal power handling
- 250 W
- Continuous power handling
- 500 W
- Flange and gasket thickness
- 7 mm (0.28 in)
B&C’s suggested box
From B&C’s 6CLA51 page
Open this box in 00 Simulator
Modelling the box in 00 Simulator…
03
Compare
Same-size drivers, compared with the 6CLA51. Clear differences are green when better and red when worse.
This driver6CLA51
Best price
–
Fs
96 Hz
Qts
0.32
Vas
4.3 L
BL
11.4 T·m
Xmax
4.8 mm
Sensitivity
92.3 dB
Power
250 W
LavoceWSF061.52
£26.27Fs91 Hz −5%
Qts0.34 +6%
Vas6.6 L +54%, worse
BL10.8 T·m −5%
Xmax3.8 mm −21%, worse
Sensitivity93.4 dB +1.1
FaitalPRO6FE400
£37.20Fs100 Hz +4%
Qts0.36 +12%, worse
Vas5 L +16%, worse
BL10.5 T·m −8%
Xmax4.8 mm –
Sensitivity93 dB +0.7
CIAREFXI6
£63.52Fs70 Hz −27%, better
Qts0.33 +3%
Vas8 L +86%, worse
BL10.6 T·m −7%
Xmax5.3 mm +10%, better
Sensitivity90.7 dB −1.6
SB AudienceROSSO-6MW150D
£67.15Fs66 Hz −31%, better
Qts0.32 –
Vas8.8 L +105%, worse
BL11.6 T·m –
Xmax5.2 mm +9%
Sensitivity90.9 dB −1.4
B&C6MBX44
£74.45Fs113 Hz +18%, worse
Qts0.31 −3%
Vas4.1 L −5%
BL11.7 T·m –
Xmax3.5 mm −27%, worse
Sensitivity94.4 dB +2.1, better
FaitalPRO6PR160
£83.85Fs90 Hz −6%
Qts0.33 +3%
Vas5.9 L +37%, worse
BL11 T·m −4%
Xmax5 mm +4%
Sensitivity92.9 dB +0.6
FaitalPRO6PR150
£85.46Fs100 Hz +4%
Qts0.34 +6%
Vas4.9 L +14%, worse
BL11.6 T·m –
Xmax2.6 mm −45%, worse
Sensitivity93.5 dB +1.2
B&C6PS44
£86.62Fs71 Hz −26%, better
Qts0.33 +3%
Vas7 L +63%, worse
BL11 T·m −4%
Xmax4.5 mm −6%
Sensitivity90.7 dB −1.6
CIARENDI6
£90.71Fs71 Hz −26%, better
Qts0.29 −9%
Vas8.5 L +98%, worse
BL10.8 T·m −5%
Xmax5.3 mm +10%, better
Sensitivity91.8 dB −0.5
Sica6 N 2.5 PL
£96.47Fs80 Hz −17%, better
Qts0.27 −16%, better
Vas4.9 L +14%, worse
BL13.5 T·m +18%, better
Xmax4.5 mm −6%
Sensitivity91.4 dB −0.9
WavecorSW178WA01
£122.05Fs38 Hz −60%, better
Qts0.36 +14%, worse
Vas12.2 L +184%, worse
BL12 T·m +5%
Xmax5 mm +4%
Sensitivity84.6 dB −7.7, worse
FaitalPRO6PR130
£122.77Fs175 Hz +82%, worse
Qts0.48 +50%, worse
Vas4.2 L –
BL11.4 T·m –
Xmax4.6 mm −4%
Sensitivity98 dB +5.7, better
B&C6FHX51
£129.07Fs85 Hz −11%, better
Qts0.37 +16%, worse
Vas5 L +16%, worse
BL11.3 T·m –
Xmax5.7 mm +19%, better
Sensitivity90.9 dB −1.4
FaitalPRO6HX150
£155.14Fs88 Hz −8%
Qts0.34 +6%
Vas6.3 L +47%, worse
BL12 T·m +5%
Xmax4.3 mm −9%
Sensitivity92.9 dB +0.6
Eighteen Sound6NTLW2000
£159.23Fs86 Hz −10%, better
Qts0.35 +9%
Vas4.6 L +7%
BL11.6 T·m –
Xmax4.9 mm –
Sensitivity90.9 dB −1.4
B&C6HCX51
£175.82Fs89 Hz −7%
Qts0.38 +19%, worse
Vas5 L +16%, worse
BL10.9 T·m −4%
Xmax5.5 mm +15%, better
Sensitivity91.5 dB −0.8
AccutonC173-6-191
£338.74Fs39 Hz −60%, better
Qts0.34 +6%
Vas21.6 L +402%, worse
BL8.8 T·m −23%, worse
Xmax5 mm +4%
Sensitivity87.3 dB −5, worse
No photo
PHL Audio1663
No current priceFs125 Hz +30%, worse
Qts0.32 –
Vas4 L −7%
BL12.5 T·m +10%
Xmax2.5 mm −48%, worse
Sensitivity95.5 dB +3.2, better
LavoceMAN062.00
No current priceFs103 Hz +7%
Qts0.30 −6%
Vas4.1 L −5%
BL12.7 T·m +12%, better
Xmax3.9 mm −19%, worse
Sensitivity93.3 dB +1
No photo
PHL Audio1752NDU
No current priceFs119 Hz +24%, worse
Qts0.30 −6%
Vas4.4 L –
BL11.9 T·m +4%
Xmax3 mm −38%, worse
Sensitivity95.5 dB +3.2, better
CelestionNTR06-17X
No current priceFs60 Hz −37%, better
Qts0.32 –
Vas13.2 L +207%, worse
BL10.4 T·m −9%
Xmax4.5 mm −6%
Sensitivity91.4 dB −0.9
No photo
PHL Audio1660NDM
No current priceFs125 Hz +30%, worse
Qts0.31 −3%
Vas4 L −7%
BL12.5 T·m +10%
Xmax2.5 mm −48%, worse
Sensitivity95.6 dB +3.3, better
Beyma6CX200FE
No current priceFs65 Hz −32%, better
Qts0.32 –
Vas10.5 L +145%, worse
BL9.2 T·m −19%, worse
Xmax5 mm +4%
Sensitivity91.3 dB −1
BMS6CN160
No current priceFs79 Hz −18%, better
Qts0.34 +6%
Vas8.9 L +107%, worse
BL10 T·m −12%, worse
Xmax5 mm +4%
Sensitivity92.7 dB –
No photo
PHL Audio1683-26
No current priceFs125 Hz +30%, worse
Qts0.32 –
Vas2.9 L −33%, better
BL12.5 T·m +10%
Xmax2.5 mm −48%, worse
Sensitivity94.1 dB +1.8
No photo
PHL Audio1680NDM-10
No current priceFs125 Hz +30%, worse
Qts0.31 −3%
Vas2.9 L −33%, better
BL12.5 T·m +10%
Xmax2.5 mm −48%, worse
Sensitivity94.2 dB +1.9
Sica5.5 C 1.5 CP
No current priceFs62 Hz −35%, better
Qts0.31 −3%
Vas5.4 L +26%, worse
BL7.9 T·m −31%, worse
Xmax4 mm −17%, worse
Sensitivity87.8 dB −4.5, worse
HiViD5.8B
No current priceFs52 Hz −46%, better
Qts0.37 +16%, worse
Vas5.6 L +30%, worse
BL9 T·m −21%, worse
Xmax4.8 mm –
Sensitivity84.8 dB −7.5, worse
Oberton6NM150
No current priceFs124 Hz +29%, worse
Qts0.38 +18%, worse
Vas4 L −7%
BL11.6 T·m –
Xmax2.3 mm −53%, worse
Sensitivity94.8 dB +2.5, better
KartesianBOM185_VKI
No current priceFs38 Hz −60%, better
Qts0.32 –
Vas32.2 L +649%, worse
BL11.6 T·m –
Xmax10 mm +108%, better
Sensitivity89.2 dB −3.1, 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.