Phone: 02-9797-9866 Fax: 02-9716-6015 32 Ø207.0±0.2 Ø218.0 Ø187.0 6.5 47.4 Ø8.2 (x8) M6 45° Ø4.3 (x8) 62.7 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 925dB 905dB Power 50Wrms 50Wrms Qms 278 266 Qes 037 043 Qts 033 037 Vas 662L 662L 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 083mm/N Mms 767g Rms 14kg/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 8.50 Ø 234.0±0.45 92.4 Ø 205.0 Ø 120.0 80.7 Ø7.9 (x8) Ø4.3 (x8) Ø 219.0±0.10 (IEC baffle, mic distance 31.6 cm, SPL shown for 2.83 V / 1 m) REV.0 (05.05.2017) Response Curve : (Blue) : on axis (Green) : 30° off-axis ( Red ) : 60° off-axis ------ ------ ------ 100 95 90 85 80 75 70 65 60 55 50 45 40 80 73 67 60 53 47 40 33 27 20 13 7 0 dB Ohm 10 20 50 100 200 500 1k 2k 5k 10k 20kHz SB ACOUSTICS 8" WOOFER - CERAMIC CACS CERAMIC CONE WIDE BANDWIDTH DRIVER WHITE Soft low damping rubber surround for improved transient response Geometrically reinforced ceramic cone for improved break-up control Shorting ring in motor system for reduced distortion Vented pole piece for reduced compression Vented cast aluminium chassis for optimum strength and low compression. Shallow design. Non-conducting fibre glass voice coil former for minimum damping. CCAW voice coil for reduced moving mass Long life silver lead wires Impedance 8Ω (Re 5.0Ω) Fs 25Hz Sens 875dB Power 60Wrms Qes 044 Qms 541 Qts 04 Vas 87L Code SB23CACS45-8 Impedance 4Ω (Re 3.0Ω) Fs 23Hz Sens 90dB Power 60Wrms Qes 035 Qms 6 Qts 033 Vas 95L Code SB23CACS45-4 Impedance 8Ω (Re 5.6Ω) Fs 39Hz Power 50Wrms Sens 92dB Qms 326 Qes 045 Qts 04 Vas 732L Diam 218mmØ Hole 187mmØ Depth 825mm Code SB20FRPC30-8 NEW Full-Range.
RkJQdWJsaXNoZXIy NDQ2MDk=