- 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 16Ω
90–5000 Hz
No current price
- Fs
- 89Hz
- Xmax
- 5.5mm
- SPL
- 91dB
- Pe
- 250W
- BL
- 12.8T·m
- Vd
- 73cm³
- Qts
- 0.41
- Vas
- 6L
Published graphs
B&C 6CLA51 is a 6.5-inch 16 ohm LF driver rated at 250 W RMS. The validated T/S data includes Fs 89 Hz, Qts 0.41, Vas 5.7 L, Xmax 5.5 mm, sensitivity 91.4 dB, plus 73 cm³ Vd and 193 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
- 89Hz
- Qts
- 0.41
- Qes
- 0.46
- Qms
- 3.9
- Vas
- 5.7L
- Re
- 9.7Ω
- Le
- 1.25mH
Motor and cone
- BL
- 12.8T·m
- Sd
- 132cm²
- Mms
- 14g
- Xmax
- 5.5mm
- Vd †
- 73cm³
- Voice coil
- 51mm
- Flux density
- 1.05T
Power and response
- Sensitivity †
- 91.4dB
- Manufacturer sensitivity
- 93.5dB
- Power
- 250W
- Nominal power
- 250W
- Impedance
- 16Ω
- Min. impedance
- 11.2Ω
- Range
- 90–5000Hz
- EBP †
- 193 · Leans vented
Size and mounting
- Diameter
- 180mm
- Cutout
- 146mm
- Bolt circle
- 165mm
- Depth
- 80mm
- Weight
- 1.2kg
Sensitivity shows 91.4 dB, calculated from the T/S values. B&C publishes 93.5 dB, 2.1 dB apart.
† Calculated by bits from the published values
What this validation status means
Everything else B&C lists
LF
- BL
- 12.8T·m
- Fs
- 89Hz
- Le
- 1.25mH
- Re
- 9.7Ω
- Sd
- 132cm²
- Mms
- 14g
- Qes
- 0.46
- Qms
- 3.9
- Qts
- 0.41
- SPL
- 91.4dB
- Vas
- 5.7L
- Xmax
- 5.5mm
- Power
- 250W
- Impedance
- 16Ω
- Flux density
- 1.05T
- Sensitivity
- 93.5dB
- Low limit
- 90Hz
- Nominal power
- 250W
- Calculated sensitivity †
- 91.4dB
- High limit
- 5000Hz
- Manufacturer sensitivity
- 93.5dB
- Min. impedance
- 11.2Ω
- Voice coil
- 51mm
- Weight
- 1.2kg
- Diameter
- 180mm
- Depth
- 80mm
- Cutout
- 146mm
- Bolt circle
- 165mm
- Bl
- 12.8 Tm
- Fs
- 89 Hz
- Le
- 1.25 mH
- Re
- 9.7 Ω
- Sd
- 132 cm² (20.5 in²)
- Ebp
- 193 Hz
- Mms
- 14 g
- Qes
- 0.46
- Qms
- 3.9
- Qts
- 0.41
- Vas
- 5.7 dm³ (0.2 ft³)
- Η0
- 0.9 %
- Cone
- RCK06CLA5116
- Xmax
- 5.5 mm
- Xvar
- 4.6 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
- 93.5 dB
- Flux density
- 1.05 T
- Shipping box
- 210x210x125 mm (8.27x8.27x4.92 in)
- Winding depth
- 15 mm (0.53 in)
- Shipping units
- 1 pcs
- Surround shape
- Triple Roll
- Former material
- Polyimide
- Frequency range
- 90 Hz - 5000 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
- 11.2 Ω
- Nominal impedance
- 16 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
89 Hz
Qts
0.41
Vas
5.7 L
BL
12.8 T·m
Xmax
5.5 mm
Sensitivity
91.4 dB
Power
250 W
PeerlessSLS-P830946
£37.48Fs47 Hz −47%, better
Qts0.43 +5%
Vas6.0 L +6%
BL8.5 T·m −34%, worse
Xmax10.9 mm +98%, better
Sensitivity83.4 dB −8, worse
Beyma6CMV2
£40.92Fs90 Hz –
Qts0.34 −17%, better
Vas6.5 L +14%, worse
BL9.4 T·m −27%, worse
Xmax5.7 mm +4%
Sensitivity92.3 dB +0.9
CelestionTFX0615
£59.20Fs97 Hz +9%
Qts0.38 −8%
Vas7.2 L +26%, worse
BL9.8 T·m −23%, worse
Xmax5.3 mm −5%
Sensitivity93.8 dB +2.4, better
LavoceWAF061.80
£64.36Fs65 Hz −27%, better
Qts0.42 –
Vas7.3 L +27%, worse
BL9.5 T·m −26%, worse
Xmax4.9 mm −11%, worse
Sensitivity88.6 dB −2.8, worse
MonacorSPH-175HQ
£69.45Fs39 Hz −56%, better
Qts0.42 –
Vas33 L +479%, worse
BL6.4 T·m −50%, worse
Xmax5.5 mm –
Sensitivity88 dB −3.4, worse
CelestionCF0617M
£74.00Fs117 Hz +31%, worse
Qts0.45 +10%, worse
Vas5.4 L −5%
BL9.7 T·m −24%, worse
Xmax2.7 mm −51%, worse
Sensitivity94.5 dB +3.1, better
FaitalPRO6PR160
£83.85Fs90 Hz –
Qts0.33 −20%, better
Vas5.9 L +4%
BL11 T·m −14%, worse
Xmax5 mm −9%
Sensitivity92.9 dB +1.5
FaitalPRO6PR122
£84.13Fs110 Hz +24%, worse
Qts0.39 −5%
Vas4.7 L −18%, better
BL10.5 T·m −18%, worse
Xmax2.8 mm −50%, worse
Sensitivity93.6 dB +2.2, better
FaitalPRO6RS140
£87.80Fs65 Hz −27%, better
Qts0.36 −12%, better
Vas9.9 L +74%, worse
BL14.2 T·m +11%, better
Xmax5.5 mm –
Sensitivity90.6 dB −0.8
WavecorSW146WA01
£95.96Fs51 Hz −43%, better
Qts0.48 +17%, worse
Vas5.5 L −4%
BL5.9 T·m −54%, worse
Xmax6 mm +9%
Sensitivity83.7 dB −7.7, worse
B&C6NDL38
£98.16Fs72 Hz −19%, better
Qts0.42 –
Vas7 L +23%, worse
BL9.5 T·m −26%, worse
Xmax6 mm +9%
Sensitivity89.8 dB −1.6
B&C6FHX51
£129.07Fs85 Hz −4%
Qts0.37 −10%
Vas5 L −12%, better
BL11.3 T·m −12%, worse
Xmax5.7 mm +4%
Sensitivity90.9 dB −0.5
CIARECMI160ND
£130.61Fs73 Hz −18%, better
Qts0.41 –
Vas6 L +5%
BL7.8 T·m −39%, worse
Xmax4.5 mm −18%, worse
Sensitivity89.2 dB −2.2, worse
PRV Audio6MR500-NDY-4
£138.01Fs100 Hz +12%, worse
Qts0.43 +5%
Vas5.1 L −10%
BL8.8 T·m −31%, worse
Xmax4.4 mm −20%, worse
Sensitivity92.4 dB +1
FaitalPRO6HX150
£155.14Fs88 Hz –
Qts0.34 −17%, better
Vas6.3 L +11%, worse
BL12 T·m −6%
Xmax4.3 mm −21%, worse
Sensitivity92.9 dB +1.5
Eighteen Sound6NTLW2000
£159.74Fs86 Hz −3%
Qts0.38 −7%
Vas4.8 L −16%, better
BL14.1 T·m +10%, better
Xmax4.9 mm −11%, worse
Sensitivity90.5 dB −0.9
B&C6HCX51
£175.82Fs89 Hz –
Qts0.38 −7%
Vas5 L −12%, better
BL10.9 T·m −15%, worse
Xmax5.5 mm –
Sensitivity91.5 dB –
MonacorTFX0615/8
No current priceFs97 Hz +9%
Qts0.38 −8%
Vas7.2 L +26%, worse
BL9.8 T·m −23%, worse
Xmax5.3 mm −5%
Sensitivity93.9 dB +2.5, better
Oberton6M150
No current priceFs115 Hz +29%, worse
Qts0.42 –
Vas5.3 L −6%
BL10.0 T·m −22%, worse
Xmax2.3 mm −59%, worse
Sensitivity94.5 dB +3.1, better
HiViD5.8B
No current priceFs52 Hz −42%, better
Qts0.37 −10%
Vas5.6 L –
BL9 T·m −30%, worse
Xmax4.8 mm −13%, worse
Sensitivity84.8 dB −6.6, worse
Tang BandW6-1914S
No current priceFs65 Hz −27%, better
Qts0.44 +7%
Vas6.8 L +19%, worse
BL11.6 T·m −9%
Xmax0.5 mm −91%, worse
Sensitivity88 dB −3.4, worse
BMS6S117
No current priceFs80 Hz −10%, better
Qts0.43 +5%
Vas10.4 L +82%, worse
BL11.3 T·m −12%, worse
Xmax5 mm −9%
Sensitivity92.4 dB +1
FaitalPRO6FE400
No current priceFs100 Hz +12%, worse
Qts0.50 +22%, worse
Vas5.5 L −4%
BL13 T·m –
Xmax4.8 mm −13%, worse
Sensitivity91.9 dB +0.5
BMS6C150
No current priceFs88 Hz –
Qts0.46 +12%, worse
Vas7.6 L +33%, worse
BL11.4 T·m −11%, worse
Xmax5 mm −9%
Sensitivity92 dB +0.6
LavoceWSN061.52
No current priceFs90 Hz –
Qts0.39 −5%
Vas5.9 L +4%
BL9.9 T·m −23%, worse
Xmax3.8 mm −31%, worse
Sensitivity92.1 dB +0.7
WavecorWF182BD11
No current priceFs34 Hz −62%, better
Qts0.42 –
Vas24.3 L +326%, worse
BL8.2 T·m −36%, worse
Xmax5.5 mm –
Sensitivity85.4 dB −6, worse
WavecorWF182BD19
No current priceFs34 Hz −62%, better
Qts0.42 –
Vas24.3 L +326%, worse
BL8.2 T·m −36%, worse
Xmax5.5 mm –
Sensitivity85.4 dB −6, worse
PeerlessFSL-0615R01-08
No current priceFs84 Hz −6%
Qts0.45 +10%
Vas6.7 L +18%, worse
BL8.5 T·m −34%, worse
Xmax6 mm +9%
Sensitivity91 dB –
CIARECMI160
No current priceFs70 Hz −21%, better
Qts0.41 –
Vas7.8 L +37%, worse
BL7.2 T·m −44%, worse
Xmax4.5 mm −18%, worse
Sensitivity89.8 dB −1.6
HiViS6.5
No current priceFs47 Hz −47%, better
Qts0.42 –
Vas18.4 L +223%, worse
BL6.4 T·m −50%, worse
Xmax5.8 mm +5%
Sensitivity88.1 dB −3.3, 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.