Phone: 02-9798-9233 Fax: 02-9798-0017 Audio Speakers & PA 03-176 Ø207.0±0.2 Ø218.0 Ø187.0 6.5 47.4 Ø8.2 (x8) M6 45° Ø4.3 (x8) 62.7 SB ACOUSTICS 8" WOOFER - PFC Vented reinforced plastic chassis. Proprietary cone material with natural fibres made in-house. Soft low damping rubber surround for improved transient response. Optimized motor system. Vented coil former for low compression. Non-resonant long life lead wires. 100 95 90 85 80 75 70 65 60 55 50 45 40 40.0 36.7 33.3 30.0 26.7 23.3 20.0 16.7 13.3 10.0 6.7 3.3 0.0 REV.1 (08.04.2016) dB Ohm (IEC baffle, mic distance 31.6 cm, SPL shown for 2.83 V / 1 m) 20 50 100 200 500 1k 2k 5k 10k 20kHz Response Curve : (Blue) : on axis ( Green ) : ------ ------ 30° off-axis ( Red ) : 60° off-axis --------- Ø8.2 (x6) Ø4.3 (x6) Ø187.0 202.0 82.4 6.45 94.7 75° 15° Ø100.0 Ø212.0 233.06 Impedance 8Ω (Re 5.0Ω) Fs 34Hz Sens. 90.5dB Power 50Wrms Qms 2.66 Qes 0.43 Qts 0.37 Vas 66.2L Code SB20PFC30-8 MINERAL REINFORCED PLASTIC FRAME Impedance 4Ω (Re 3.4Ω) Fs 33.7Hz Sens. 92.5dB Power 50Wrms Qms 2.78 Qes 0.37 Qts 0.33 Vas 66.2L Code SB20PFC30-4 Ø187.0 Ø218.0 Ø100.0 4.75 82.4 94.7 Ø207.0±0.2 Ø8.2 (x8) Ø4.3 (x8) 45° 22.5° • Large spider for improved linearity • Optimised motor system • Vented coil former for low compression • Non-resonant long life lead wires SB ACOUSTICS 8" WOOFER - PFCR ROUND PLASTIC CHASSIS This 8" Norex fibre paper cone woofer is a great value for this build quality and performance. The specifications make it a good choice for many different enclosure types. An extended and smooth frequency response suggests simple crossovers, even none at all. • Vented reinforced plastic chassis • Proprietary cone material with natural fibres made in-house • Soft low damping rubber surround for improved transient response Impedance 4Ω (Re 3.4Ω) 8Ω (Re 5.0Ω) Fs 34Hz 34Hz Sens. 92.5dB 90.5dB Power 50Wrms 50Wrms Qms 2.78 2.66 Qes 0.37 0.43 Qts 0.33 0.37 Vas 66.2L 66.2L Code SB20PFCR30-4 SB20PFCR30-8 100 95 90 85 80 75 70 65 60 55 50 45 40 40.0 36.7 33.3 30.0 26.7 23.3 20.0 16.7 13.3 10.0 6.7 3.3 0.0 REV.1 (15.02.2019) dB Ohm (IEC baffle, mic distance 31.6 cm, SPL shown for 2.83 V / 1 m) 20 50 100 200 500 1k 2k 5k 10k 20kHz Response Curve : (Blue) : on axis ( Green ) : 30° off-axis ( Red ) : 60° off-axis ------ ------ --------- SB ACOUSTICS 8" PASSIVE RADIATOR - PFCR 8" Passive radiator with paper cone, rubber surround, square mounting injection chassis. Vented reinforced plastic chassis. Proprietary cone material with natural fibres made in-house. Soft low damping surround. Easily adjustable moving mass. Symmetric suspension. Sd 216cm² Fs 20Hz Cms 0.83mm/N Mms 76.7g Rms 1.4kg/s Vas 55L Weight 240g Code SB20PFCR-00 SB ACOUSTICS 8" FULL RANGE - FRPC Using a proprietary paper blend cone made in-house this woofer delivers good mid/bass response, extended by the use of a optimized “whizzer” cone. This is supplemented by the use of a phase cone to better radiate the high frequency output. • Proprietary cone material with natural fibres made in-house. • Light weight foam surround. • Optimised whizzer cone for smooth high frequency extension. • Phase plug for controlled radiation. • Large spider for improved linearity. (IEC baffle, mic distance 31.6 cm, SPL shown for 2.83 V / 1 m) Rev.0 (11.07.2019) dB Ohm 80 73 67 60 53 47 40 33 27 20 13 7 0 Response Curve : (Blue) : on axis ( Green ) : 30° off-axis ( Red ) : 60° off-axis ------ ------ --------- 110 105 100 95 90 85 80 75 70 65 60 55 50 20 50 100 200 500 1k 2k 5k 10k 20 kHz Ø207.0±0.2 Ø4.3 (x8) 4.75 82.5 Ø8.2 (x8) Ø218.0 94.3 Ø100.0 Ø187.0 • Optimised motor system. • Vented reinforced plastic chassis. • Extended copper sleeve on pole piece. • Non-conductive coil former. • Long life lead wires. Impedance 8Ω (Re 5.6Ω) Fs 39Hz Power 50Wrms Sens. 92dB Qms 3.26 Qes 0.45 Qts 0.4 Vas 73.2L Code SB20FRPC30-8 NEW Full-Range.
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