B&C 19RS115 is a 19-inch 4 ohm LF driver rated at 2000 W RMS. The validated T/S data includes Fs 30 Hz, Qts 0.20, Vas 198 L, Xmax 23.3 mm, sensitivity 96.1 dB, plus 3379 cm³ Vd and 143 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 30Hz
Qts 0.20
Qes 0.21
Qms 7.1
Vas 198L
Re 3.1Ω
Le 3.30mH Motor and cone
BL 34.9T·m
Sd 1450cm²
Mms 432g
Xmax 23.3mm
Vd † 3379cm³
Voice coil 116mm
Flux density 0.90T Power and response
Sensitivity † 96.1dB
Manufacturer sensitivity 96.9dB
Power 2000W
Nominal power 2000W
Impedance 4Ω
Min. impedance 4.6Ω
Range 30–1000Hz
EBP † 143 · Leans vented Size and mounting
Diameter 494mm
Cutout 455mm
Bolt circle 476mm
Depth 285mm
Weight 15.8kg † Calculated by bits from the published values
What this validation status means
Everything else B&C lists LF
BL 34.9T·m
Fs 30Hz
Le 3.30mH
Re 3.1Ω
Sd 1450cm²
Mms 432g
Qes 0.21
Qms 7.1
Qts 0.20
SPL 96.1dB
Vas 198L
Xmax 23.3mm
Power 2000W
Impedance 4Ω
Flux density 0.90T
Sensitivity 96.9dB
Low limit 30Hz
Nominal power 2000W
Calculated sensitivity † 96.1dB
High limit 1000Hz
Manufacturer sensitivity 96.9dB
Min. impedance 4.6Ω
Voice coil 116mm
Weight 15.8kg
Diameter 494mm
Depth 285mm
Cutout 455mm
Bolt circle 476mm
Bl 34.9 Tm
Fs 30 Hz
Le 3.3 mH
Re 3.1 Ω
Sd 1450 cm² (224.75 in²)
Ebp 143 Hz
Mms 432 g
Qes 0.21
Qms 7.1
Qts 0.2
Vas 198 dm³ (6.99 ft³)
Η0 2.41 %
Xmax 23.3 mm
Xvar 18 mm
Depth 285 mm (11.22 in)
Spider Double Silicone
Cone shape Straight
Net weight 15.8 kg (34.83 lb)
Pole design T-Pole
Sensitivity 96.9 dB
Flux density 0.9 T
Winding depth 53.5 mm (2.11 in)
Surround shape Triple Roll
Former material Glass Fibre
Frequency range 30 Hz - 1000 Hz
Magnet material Neodymium Inside Slug
Nominal diameter 483 mm (19 in)
Overall diameter 494 mm (19.45 in)
Winding material Aluminium
Minimum impedance 4.6 Ω
Nominal impedance 4 Ω
Magnetic gap depth 14 mm (0.55 in)
Voice coil diameter 116 mm (4.5 in)
Bolt circle diameter 476 mm (18.74 in)
Woofer cone treatment TWP Waterproof Both Sides
Baffle cutout diameter 455 mm (17.91 in)
Nominal power handling 2000 W
Continuous power handling 4000 W
Flange and gasket thickness 13 mm (0.51 in)