KEF PSW 2000 Service Manual

POWERED SUBWOOFER
2
SPECIFICATIONS
System Specifications
Frequency Response 70-20K Hz
Sensitivity 85+/-2dB
Power Handling 70W Max
Dimension (W x D x H) 198 x 130 x 150 mm
Weight 2.1kg
HF 12mm (0.5") tweeter
LF 100mm (4")
Crossover Frequency 3KHZ
Impedance 4 OHM
Woofer Specifications
Rated Impedance 3.8 ohms +/- 0.8 at 1V 500 Hz
Voice coil DCR 3 +/-0.15 ohm
Sweep Test Sine Wave 4V at 20-20K Hz
Resonant Frequency (Fo) 65 +/- 15 Hz
Sensitivity 85 dB/W/m
Rated Power Input 30W
Maximum Power Input 60W
Power Test 15W Music Max/Channel
30W RMS/Channel
(The rated power is verified by performing power handling test by feeding
rated output with "IEC268-5" for 8 hours)
Main Magnet Ø74 x Ø38 x 15mm
Bucking Magnet Ø55 x Ø26 x 9mm
Tweeter Specifications
Rated Impedance 4+/-0.8 OHM at 1V 5K Hz
Voice coil DCR 3.2 +/-0.16 OHM
Sweep Test Sine Wave 1 V at 500-20K Hz
Resonant Frequency (Fo) 2500 +/- 240 Hz
Sensitivity 89 +/-2dB/W/m
Frequency Response Fo - 20K Hz
Rated Power Input 30W
Main Magnet Ø10 x 2mm
Magnet Material N35

KEF PSW 2000 Specifications

General

Signal to noise ratio	>90dB
Power consumption	300 W
Inputs	Line-level, Speaker-level
Type	Powered Subwoofer
Crossover Frequency	40 Hz - 150 Hz