PeerlessFSL-0818R01-08
£33.66 · 60% less, betterFs74 Hz +47%, worse
Qts0.37 –
Vas15.9 L −29%, better
BL11.3 T·m −5%
Xmax4.3 mm −40%, worse
Sensitivity93.9 dB +3.2, better
8-inch LF driver · CF0820 series · 50 mm voice coil · 250 W
Celestion CF0820BMB 8Ω
8 Ω · 50–6000 Hz
£85.00
SteadyLean Audio · 2 in stock · All 3 offers
- Fs
- 51Hz
- Xmax
- 7.3mm
- SPL
- 91dB
- Pe
- 250W
- BL
- 11.9T·m
- Vd
- 165cm³
- Qts
- 0.37
- Vas
- 22L
Manufacturer response and impedance data, with source and trace details below. The left and right arrow keys read every shown curve at a frequency, a twelfth of an octave at a time, or an octave with Shift. Escape clears the reading.
Curve provenanceInspect 1 trace
These plotted lines are Bits digitizations of manufacturer evidence, not new measurements. How provenance works
- Trace datasheet-response-trace-poc/v1
LF frequency response
Frequency response
137 plotted pointsMedium confidence158 selected pixels of 319
Published graphs
Celestion CF0820BMB is an 8-inch 8 ohm LF driver rated at 250 W RMS. The validated T/S data includes Fs 51 Hz, Qts 0.37, Vas 22.4 L, Xmax 7.3 mm, sensitivity 90.7 dB, plus 165 cm³ Vd and 128 EBP. bits tracks UK, EU and US shop prices, price movement, datasheet links, simulator import data, and similar drivers, with a current best price of £85.00.
The published T/S values agree with each other
Thiele/Small
- Fs
- 51Hz
- Qts
- 0.37
- Qes
- 0.39
- Qms
- 5.1
- Vas
- 22.4L
- Re
- 5.5Ω
- Le
- 0.78mH
Motor and cone
- BL
- 11.9T·m
- Sd
- 227cm²
- Mms
- 32g
- Xmax
- 7.3mm
- Vd †
- 165cm³
- Voice coil
- 50mm
Power and response
- Sensitivity †
- 90.7dB
- Manufacturer sensitivity
- 93dB
- Power
- 250W
- Impedance
- 8Ω
- Range
- 50–6000Hz
- EBP †
- 128 · Leans vented
Size and mounting
- Diameter
- 215mm
- Cutout
- 187mm
- Bolt circle
- 200mm
- Depth
- 108mm
- Weight
- 3.1kg
Other published values
- Cms
- 0.31mm/N
- Rms
- 2.01kg/s
- Power Program
- 500
Sensitivity shows 90.7 dB, calculated from the T/S values. Celestion publishes 93.0 dB, 2.3 dB apart.
† Calculated by bits from the published values
What this validation status means
Everything else Celestion lists
LF · Primary · 8″
- BL
- 11.9T·m
- Fs
- 51Hz
- Le
- 0.78mH
- Re
- 5.5Ω
- Sd
- 227cm²
- Cms
- 0.31mm/N
- Mms
- 32g
- Qes
- 0.39
- Qms
- 5.1
- Qts
- 0.37
- Rms
- 2.01kg/s
- SPL
- 90.7dB
- Vas
- 22.4L
- Xmax
- 7.3mm
- Power
- 250W
- Impedance
- 8Ω
- Sensitivity
- 93dB
- Low limit
- 50Hz
- Power Program
- 500
- Calculated sensitivity †
- 90.7dB
- High limit
- 6000Hz
- Manufacturer sensitivity
- 93dB
- Voice coil
- 50mm
- Weight
- 3.1kg
- Diameter
- 215mm
- Depth
- 108mm
- Cutout
- 187mm
- Bolt circle
- 200mm
02
Compare
Same-size drivers, compared with the CF0820BMB. Clear differences are green when better and red when worse.
This driverCF0820BMB
Best price
£85.00
Fs
51 Hz
Qts
0.37
Vas
22.4 L
BL
11.9 T·m
Xmax
7.3 mm
Sensitivity
90.7 dB
Power
250 W
FaneSOVEREIGN 8-225
£49.00 · 42% less, betterFs62 Hz +23%, worse
Qts0.38 +4%
Vas22 L –
BL11 T·m −8%
Xmax5.5 mm −24%, worse
Sensitivity93 dB +2.3, better
MonacorSP-8/150PRO
£59.78 · 30% less, betterFs56 Hz +11%, worse
Qts0.32 −13%, better
Vas22 L –
BL12.0 T·m –
Xmax6 mm −17%, worse
Sensitivity91.8 dB +1.1
LavoceWAF082.00
£71.42 · 16% less, betterFs78 Hz +54%, worse
Qts0.37 –
Vas11.9 L −47%, better
BL12.5 T·m +5%
Xmax6.3 mm −13%, worse
Sensitivity93.4 dB +2.7, better
FaitalPRO8PR200
£73.79 · 13% less, betterFs58 Hz +15%, worse
Qts0.37 –
Vas16.9 L −25%, better
BL11.5 T·m −4%
Xmax8.2 mm +12%, better
Sensitivity91.4 dB +0.7
FaitalPRO8PR320
£75.00 · 12% less, betterFs65 Hz +29%, worse
Qts0.41 +12%, worse
Vas13.1 L −42%, better
BL12.9 T·m +8%
Xmax7.3 mm –
Sensitivity91.3 dB +0.6
Dayton AudioDCS205-4
£75.27 · 11% less, betterFs32 Hz −36%, better
Qts0.37 –
Vas27 L +20%, worse
BL10.7 T·m −10%, worse
Xmax8.8 mm +21%, better
Sensitivity85.6 dB −5.1, worse
CIAREPWA8.50
£77.03 · 9% less, betterFs74 Hz +47%, worse
Qts0.38 +4%
Vas12 L −46%, better
BL12.7 T·m +7%
Xmax6.8 mm −6%
Sensitivity92.8 dB +2.1, better
Sica8 S 2.5 CP
£80.30 · 6% less, betterFs54 Hz +7%
Qts0.33 −10%
Vas18.6 L −17%, better
BL11.9 T·m –
Xmax5 mm −31%, worse
Sensitivity91 dB –
B&C8FG51
£99.64 · 17% more, worseFs49 Hz –
Qts0.32 −13%, better
Vas20 L −11%, better
BL12.9 T·m +8%
Xmax6.5 mm −10%, worse
Sensitivity90.4 dB –
Beyma8G40
£100.07 · 18% more, worseFs70 Hz +39%, worse
Qts0.36 –
Vas17 L −24%, better
BL12.2 T·m –
Xmax6.5 mm −10%, worse
Sensitivity93.9 dB +3.2, better
B&C8NDL51
£102.00 · 20% more, worseFs66 Hz +31%, worse
Qts0.37 –
Vas14 L −38%, better
BL12.4 T·m +4%
Xmax7 mm −3%
Sensitivity91.9 dB +1.2
FaitalPRO8RS250
£102.76 · 21% more, worseFs56 Hz +11%, worse
Qts0.32 −13%, better
Vas18.3 L −18%, better
BL13.5 T·m +13%, better
Xmax6.9 mm −5%
Sensitivity91.8 dB +1.1
B&C8BG51
£110.00 · 29% more, worseFs52 Hz –
Qts0.40 +9%
Vas18 L −20%, better
BL11.8 T·m –
Xmax6.5 mm −10%, worse
Sensitivity89.8 dB −0.9
B&C8CX21
£151.61 · 78% more, worseFs74 Hz +47%, worse
Qts0.36 –
Vas15 L −33%, better
BL11.5 T·m −4%
Xmax5.5 mm −24%, worse
Sensitivity94 dB +3.3, better
SB AudienceNERO-8MWN400D
£152.56 · 79% more, worseFs63 Hz +25%, worse
Qts0.38 +4%
Vas13.9 L −38%, better
BL11.9 T·m –
Xmax6.7 mm −8%
Sensitivity91.3 dB +0.6
FaitalPRO8RS340
£163.28 · 92% more, worseFs42 Hz −17%, better
Qts0.34 −7%
Vas25.5 L +14%, worse
BL13 T·m +9%
Xmax7.3 mm –
Sensitivity89.2 dB −1.5
B&C8FCX51
£186.30 · 119% more, worseFs69 Hz +37%, worse
Qts0.34 −7%
Vas16 L −29%, better
BL11.5 T·m −4%
Xmax6 mm −17%, worse
Sensitivity93.7 dB +3, better
Eighteen Sound8CX401F
£199.68 · 135% more, worseFs56 Hz +11%, worse
Qts0.34 −7%
Vas23.9 L +7%
BL9.3 T·m −22%, worse
Xmax5.8 mm −20%, worse
Sensitivity92.5 dB +1.8
Eighteen Sound8CX650
£344.69 · 306% more, worseFs65 Hz +29%, worse
Qts0.35 −4%
Vas16.6 L −26%, better
BL12 T·m –
Xmax6 mm −17%, worse
Sensitivity92.9 dB +2.2, better
Scanspeak21WE/8542T00
£837.27 · 885% more, worseFs36 Hz −29%, better
Qts0.38 +4%
Vas54 L +141%, worse
BL10 T·m −16%, worse
Xmax7.7 mm +6%
Sensitivity90 dB −0.7
CIAREHSG200
No current priceFs39 Hz −23%, better
Qts0.36 –
Vas19 L −15%, better
BL14.9 T·m +25%, better
Xmax7.5 mm +3%
Sensitivity86.6 dB −4.1, worse
LavoceCAF082.00K
No current priceFs72 Hz +43%, worse
Qts0.34 −7%
Vas15.1 L −33%, better
BL11.7 T·m –
Xmax6.7 mm −8%
Sensitivity93.7 dB +3, better
No current price
Fs62 Hz +23%, worse
Qts0.38 +4%
Vas22 L –
BL11 T·m −8%
Xmax5.5 mm −24%, worse
Sensitivity93 dB +2.3, better
CIAREHSG200-4
No current priceFs38 Hz −25%, better
Qts0.31 −15%, better
Vas19 L −15%, better
BL11.8 T·m –
Xmax7.5 mm +3%
Sensitivity87 dB −3.7, worse
Eighteen Sound8MB400
No current priceFs64 Hz +27%, worse
Qts0.38 +4%
Vas23.9 L +7%
BL9.3 T·m −22%, worse
Xmax5.8 mm −20%, worse
Sensitivity93.7 dB +3, better
Oberton8MB201
No current priceFs68 Hz +34%, worse
Qts0.31 −14%, better
Vas14.7 L −34%, better
BL12.5 T·m +5%
Xmax7 mm −3%
Sensitivity93.4 dB +2.7, better
LavoceFBASS08-18
No current priceFs53 Hz +5%
Qts0.40 +9%
Vas23.6 L +5%
BL11.4 T·m −4%
Xmax4.5 mm −38%, worse
Sensitivity91.2 dB +0.5
JensenBS8N250A-8
No current priceFs59 Hz +17%, worse
Qts0.37 –
Vas14.9 L −34%, better
BL12.8 T·m +8%
Xmax5 mm −31%, worse
Sensitivity91 dB –
MonacorSP-308CX
No current priceFs80 Hz +58%, worse
Qts0.36 –
Vas15.4 L −31%, better
BL12.1 T·m –
Xmax2.5 mm −66%, worse
Sensitivity94.7 dB +4, better
Tune the match
Choose the published values that matter to your design. Size stays matched to this driver.
Qts
Qes
VasL
Xmaxmm
BLTm
| Shop | Price | Against the lowest | Stock | Link |
|---|---|---|---|---|
Lean Audio | £85.00, the lowest price | 2 in stock | Visit shop at Lean Audio | |
Lean Business | £85.00 | Stock not listed | Visit shop at Lean Business | |
Parts Express Import VAT and duty may apply | £100.99 | 19% above the lowest price | Back order | Visit shop at Parts Express |
Best price over time
Tracked since 1 Apr