- Net volume
- 16L
- Tuning
- 50Hz
B&C gives the volume and tuning; the port is sized for the driver when you open it.
8-inch LF driver · 8FG series · 64 mm voice coil · 300 W
B&C 8FG64 8Ω
50–3000 Hz
£121.64
SteadyJP Leisure · In stock · All 5 offers
- Fs
- 51Hz
- Xmax
- 7mm
- SPL
- 90dB
- Pe
- 300W
- BL
- 15.8T·m
- Vd
- 154cm³
- Qts
- 0.31
- Vas
- 15L
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 2 traces
These plotted lines are Bits digitizations of manufacturer evidence, not new measurements. How provenance works
- Trace datasheet-response-trace-poc/v2
free-air SPL
Frequency response
240 plotted pointsSource file SHA-256 7a6dfe0f31db…Medium confidence5,264 selected pixels of 5,313 - Trace datasheet-response-trace-poc/v2
free-air impedance
Impedance response
240 plotted pointsSource file SHA-256 7a6dfe0f31db…Medium confidence4,094 selected pixels of 4,094
Published graphs
B&C 8FG64 is an 8-inch 8 ohm LF driver rated at 300 W RMS. The validated T/S data includes Fs 51 Hz, Qts 0.31, Vas 15 L, Xmax 7 mm, sensitivity 90 dB, plus 154 cm³ Vd and 159 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 £106.95.
The published T/S values agree with each other
Thiele/Small
- Fs
- 51Hz
- Qts
- 0.31
- Qes
- 0.32
- Qms
- 10.1
- Vas
- 15L
- Re
- 5.8Ω
- Le
- 1.70mH
Motor and cone
- BL
- 15.8T·m
- Sd
- 220cm²
- Mms
- 41g
- Xmax
- 7mm
- Vd †
- 154cm³
- Voice coil
- 64mm
- Flux density
- 0.90T
Power and response
- Sensitivity †
- 90dB
- Manufacturer sensitivity
- 92dB
- Power
- 300W
- Nominal power
- 300W
- Impedance
- 8Ω
- Min. impedance
- 6.7Ω
- Range
- 50–3000Hz
- EBP †
- 159 · Leans vented
Size and mounting
- Diameter
- 225mm
- Cutout
- 187mm
- Bolt circle
- 210mm
- Depth
- 100mm
- Weight
- 4kg
Sensitivity shows 90.0 dB, calculated from the T/S values. B&C publishes 92.0 dB, 2.0 dB apart.
† Calculated by bits from the published values
What this validation status means
Everything else B&C lists
LF
- BL
- 15.8T·m
- Fs
- 51Hz
- Le
- 1.70mH
- Re
- 5.8Ω
- Sd
- 220cm²
- Mms
- 41g
- Qes
- 0.32
- Qms
- 10.1
- Qts
- 0.31
- SPL
- 90dB
- Vas
- 15L
- Xmax
- 7mm
- Power
- 300W
- Impedance
- 8Ω
- Flux density
- 0.90T
- Sensitivity
- 92dB
- Low limit
- 50Hz
- Nominal power
- 300W
- Calculated sensitivity †
- 90dB
- High limit
- 3000Hz
- Manufacturer sensitivity
- 92dB
- Min. impedance
- 6.7Ω
- Voice coil
- 64mm
- Weight
- 4kg
- Diameter
- 225mm
- Depth
- 100mm
- Cutout
- 187mm
- Bolt circle
- 210mm
- Bl
- 15.8 Tm
- Fs
- 51 Hz
- Le
- 1.7 mH
- Re
- 5.8 Ω
- Sd
- 220 cm² (34.1 in²)
- Ebp
- 159 Hz
- Mms
- 41 g
- Qes
- 0.32
- Qms
- 10.1
- Qts
- 0.31
- Vas
- 15 dm³ (0.53 ft³)
- Η0
- 0.7 %
- Cone
- RCK008FG648
- Xmax
- 7 mm
- Xvar
- 8 mm
- Depth
- 100 mm (3.94 in)
- Spider
- Single
- Cone shape
- Radial
- Net weight
- 4 kg (8.82 lb)
- Pole design
- T-Pole
- Sensitivity
- 92 dB
- Flux density
- 0.9 T
- Shipping box
- 255x255x150 mm (10.04x10.04x5.91 in)
- Winding depth
- 19 mm (0.75 in)
- Shipping units
- 1 pcs
- Surround shape
- Roll
- Former material
- Glass Fibre
- Frequency range
- 50 Hz - 3000 Hz
- Magnet material
- Ferrite
- Shipping weight
- 4.45 kg (9.81 lb)
- Nominal diameter
- 200 mm (8 in)
- Overall diameter
- 225 mm (8.86 in)
- Winding material
- Copper
- Minimum impedance
- 6.7 Ω
- Nominal impedance
- 8 Ω
- Magnetic gap depth
- 10 mm (0.39 in)
- Recommended tuning
- 50 Hz
- Voice coil diameter
- 64 mm (2.5 in)
- Bolt circle diameter
- 210 mm (8.3 in)
- Recommended enclosure
- 16 dm³ (0.57 ft³)
- Woofer cone treatment
- WP Waterproof Front Side
- Baffle cutout diameter
- 187 mm (7.4 in)
- Nominal power handling
- 300 W
- Continuous power handling
- 600 W
- Flange and gasket thickness
- 9 mm (0.37 in)
- Air volume occupied by driver
- 1.5 dm³ (0.05 ft³)
B&C’s suggested box
From B&C’s 8FG64 page
Open this box in 00 Simulator
Modelling the box in 00 Simulator…
03
Compare
Same-size drivers, compared with the 8FG64. Clear differences are green when better and red when worse.
This driver8FG64
Best price
£106.95
Fs
51 Hz
Qts
0.31
Vas
15 L
BL
15.8 T·m
Xmax
7 mm
Sensitivity
90 dB
Power
300 W
FaitalPRO8RS250
£62.00 · 42% less, betterFs56 Hz +10%
Qts0.32 +3%
Vas18.3 L +22%, worse
BL13.5 T·m −15%, worse
Xmax6.9 mm –
Sensitivity91.8 dB +1.8
CIAREFXI8
£68.59 · 36% less, betterFs81 Hz +59%, worse
Qts0.29 −6%
Vas13 L −13%, better
BL13.3 T·m −16%, worse
Xmax4.5 mm −36%, worse
Sensitivity95.4 dB +5.4, better
Beyma8WRS300
£75.85 · 29% less, betterFs65 Hz +27%, worse
Qts0.28 −10%
Vas15 L –
BL15.2 T·m −4%
Xmax6 mm −14%, worse
Sensitivity93.4 dB +3.4, better
Beyma8WR300
£91.29 · 15% less, betterFs65 Hz +27%, worse
Qts0.27 −13%, better
Vas15 L –
BL15.5 T·m –
Xmax6 mm −14%, worse
Sensitivity93.6 dB +3.6, better
Sica8 C 2 CP
£93.29 · 13% less, betterFs79 Hz +54%, worse
Qts0.30 −3%
Vas14.7 L –
BL13.5 T·m −15%, worse
Xmax3.5 mm −50%, worse
Sensitivity95.5 dB +5.5, better
B&C8FG51
£95.92 · 10% less, betterFs49 Hz −4%
Qts0.32 +3%
Vas20 L +33%, worse
BL12.9 T·m −18%, worse
Xmax6.5 mm −7%
Sensitivity90.4 dB –
FaitalPRO8PR210
£100.24 · 6% less, betterFs65 Hz +27%, worse
Qts0.29 −6%
Vas15.4 L –
BL13.5 T·m −15%, worse
Xmax6.9 mm –
Sensitivity93.2 dB +3.2, better
FaitalPRO8RS350
£111.65 · 4% moreFs42 Hz −18%, better
Qts0.30 −3%
Vas23.7 L +58%, worse
BL13.9 T·m −12%, worse
Xmax7.4 mm +5%
Sensitivity89.6 dB –
LavoceWAN082.01
£128.77 · 20% more, worseFs85 Hz +67%, worse
Qts0.32 +3%
Vas9 L −40%, better
BL14.4 T·m −9%
Xmax5.8 mm −17%, worse
Sensitivity94 dB +4, better
BMS8S215
£137.66 · 29% more, worseFs88 Hz +72%, worse
Qts0.31 –
Vas11.0 L −26%, better
BL13.6 T·m −14%, worse
Xmax4.3 mm −39%, worse
Sensitivity95.6 dB +5.6, better
CelestionFTX0820
£139.00 · 30% more, worseFs79 Hz +55%, worse
Qts0.28 −10%
Vas13.1 L −12%, better
BL14.6 T·m −8%
Xmax4 mm −43%, worse
Sensitivity95.2 dB +5.2, better
MonacorFTX0820/8
£163.39 · 53% more, worseFs79 Hz +55%, worse
Qts0.28 −10%
Vas13.1 L −13%, better
BL14.6 T·m −8%
Xmax4 mm −43%, worse
Sensitivity95.2 dB +5.2, better
BMS8N515
£171.89 · 61% more, worseFs88 Hz +72%, worse
Qts0.30 −3%
Vas11.0 L −26%, better
BL13.8 T·m −13%, worse
Xmax4 mm −43%, worse
Sensitivity95.7 dB +5.7, better
FaitalPRO8HX230
£236.82 · 121% more, worseFs70 Hz +37%, worse
Qts0.29 −6%
Vas14.7 L –
BL15 T·m −5%
Xmax6.2 mm −12%, worse
Sensitivity94.1 dB +4.1, better
FaitalPRO8HX200
£252.95 · 137% more, worseFs76 Hz +49%, worse
Qts0.30 −3%
Vas13.1 L −13%, better
BL13.8 T·m −13%, worse
Xmax4.9 mm −30%, worse
Sensitivity94.7 dB +4.7, better
FaitalPRO8HX240
£282.66 · 164% more, worseFs70 Hz +37%, worse
Qts0.30 −3%
Vas12.9 L −14%, better
BL13.8 T·m −13%, worse
Xmax6.2 mm −12%, worse
Sensitivity93.6 dB +3.6, better
REDCATT81XR
£288.52 · 170% more, worseFs73 Hz +43%, worse
Qts0.30 −3%
Vas7.2 L −52%, better
BL16 T·m –
Xmax6.3 mm −9%
Sensitivity90.8 dB +0.8
Scanspeak18WE/8542T00
£848.78 · 694% more, worseFs50 Hz –
Qts0.32 +3%
Vas16 L +7%
BL9.7 T·m −39%, worse
Xmax7.7 mm +10%, better
Sensitivity89.7 dB –
Oberton8MB201
No current priceFs68 Hz +33%, worse
Qts0.31 –
Vas14.7 L –
BL12.5 T·m −21%, worse
Xmax7 mm –
Sensitivity93.4 dB +3.4, better
LavoceCAN082.00K
No current priceFs72 Hz +41%, worse
Qts0.27 −13%, better
Vas15.1 L –
BL13.2 T·m −17%, worse
Xmax6.7 mm −4%
Sensitivity94.8 dB +4.8, better
CIAREHSG200
No current priceFs38 Hz −25%, better
Qts0.31 –
Vas19 L +27%, worse
BL11.8 T·m −25%, worse
Xmax7.5 mm +7%
Sensitivity87 dB −3, worse
CIAREHSG200-4
No current priceFs38 Hz −25%, better
Qts0.31 –
Vas19 L +27%, worse
BL11.8 T·m −25%, worse
Xmax7.5 mm +7%
Sensitivity87 dB −3, worse
REDCATT81NPM-1
No current priceFs72 Hz +41%, worse
Qts0.33 +6%
Vas10.3 L −31%, better
BL16.7 T·m +6%
Xmax6 mm −14%, worse
Sensitivity92.6 dB +2.6, better
Eighteen Sound8NTLW2500
No current priceFs76 Hz +49%, worse
Qts0.30 −3%
Vas7.6 L −49%, better
BL18.1 T·m +15%, better
Xmax7.6 mm +9%
Sensitivity92.3 dB +2.3, better
Tang BandW8-1363SB
No current priceFs30 Hz −41%, better
Qts0.32 +3%
Vas15.4 L –
BL13.9 T·m −12%, worse
Xmax12 mm +71%, better
Sensitivity82.8 dB −7.2, worse
LavoceCAF082.00K
No current priceFs72 Hz +41%, worse
Qts0.34 +10%
Vas15.1 L –
BL11.7 T·m −26%, worse
Xmax6.7 mm −4%
Sensitivity93.7 dB +3.7, better
B&C8CXN64
No current priceFs71 Hz +39%, worse
Qts0.33 +6%
Vas10.5 L −30%, better
BL15.5 T·m –
Xmax5.5 mm −21%, worse
Sensitivity92.3 dB +2.3, better
PRV Audio8MR600X-NDY
No current priceFs88 Hz +72%, worse
Qts0.29 −6%
Vas12.6 L −16%, better
BL15.2 T·m −4%
Xmax3.8 mm −46%, worse
Sensitivity96.5 dB +6.5, better
No photo
PHL Audio2440
No current priceFs77 Hz +51%, worse
Qts0.31 –
Vas13.1 L −13%, better
BL12.8 T·m −19%, worse
Xmax5 mm −29%, worse
Sensitivity94.5 dB +4.5, better
Sica8 N 2.5 PL
No current priceFs77 Hz +51%, worse
Qts0.30 −3%
Vas13.7 L −9%
BL12.9 T·m −18%, worse
Xmax3.5 mm −50%, worse
Sensitivity94.8 dB +4.8, 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 |
|---|---|---|---|---|
JP Leisure | £121.64, the lowest price | In stock | Visit shop at JP Leisure | |
JP Leisure Not currently listed · Last seen 7 Aug 2026 | £121.64 | In stock | Visit shop at JP Leisure | |
Blue Aran 5-7 weeks | £126.65 | 4.1% above the lowest price | 22 in stock | Visit shop at Blue Aran |
Best price over time
Tracked since 1 Apr
Recent changes
- 23 JunJP Leisure£106.28 → £121.64Up 14% from £106.28
- 23 JunBlue Aran£126.71 → £126.65Down <0.1% from £126.71
- 5 JunBlue Aran£105.26 → £126.71Up 20% from £105.26