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User’s Manual
K&F Self Powered Subwoofer Systems ‘SP’
KLING & FREITAG GMBH ©2003 - 2014
Version 7.0, 09.09.2014
Page 27 of 48
12.2
SWi 112 - SP
Lou
Lou
Lou
Loudspeaker
dspeaker
dspeaker
dspeaker
Design
Bass reflex system with exponential tunnel geometry,
integrated driver and power amplifier technology
Lower cut-off frequency -10 dB
35 Hz (‘FILTERS ON’)
Frequency range ±3 dB
41 Hz - 350 kHz ('FILTERS OFF')
40 Hz - 120 Hz (‘FILTERS ON’)
Max. SPL
122 dB (peak / 1 m / free field,
equivalent 128 dB half room)
Components
12‘‘ long excursion chassis, 100 mm voice coil,
internal and external ventilation
Supply voltage
230 V version: AC 195-250 V, 50 / 60 Hz
alternative
115 V version: AC 95-125 V, 50 / 60 Hz
Rated power consumption
@ 230 V: 1.25 A
@ 115 V: 2.5 A
Max. power consump. (Irms / <500 ms)
@ 230 V: 7 A
@ 115 V: 14 A
Idle current
@ 230 V: 200 mA
@ 115 V: 400 mA
Input module
Input module
Input module
Input module
Input connectors
Pin 1 = ground / pin 2 = + signal / pin 3 = - signal
LINE IN: XLR 3 pin female
LINE OUT: XLR 3 pin male, parallel with LINE IN
Input sensitivity
+6 dB / 1.55 Vrms for rated output
Input impedance
50 k
Ω
(balanced / unbalanced)
Common mode rejection
Min.: 74 dB, typical: 90 dB
Controls
Level control ± 6 dB, by-pass switch for the
active filters (for operations with K&F System Controller),
ground lift switch
Display
Bi-coloured LED: green = Power On,
red = Limit / Protect
Driver circuit
High-pass 32 Hz (-3 dB), 24 dB / octave (‘FILTERS ON’),
Low-pass 110 Hz (-6 dB), 24 dB / octave (‘FILTERS ON’),
Phase correction, frequency equalization (EQ),
peak limiter, RMS limiter
Amplifier
Amplifier
Amplifier
Amplifier module
module
module
module
Type
Class D
Power
1000 W @ 8
Ω
(EIAJ / 1 kHz, 1% THD)
Power bandwidth
10 Hz to 30 kHz
Damping factor
> 500 (100 Hz), > 100 (10 kHz)
S / N ratio
> 105 dB (A)
Cooling
Air convection (without fan)
Protection circuits
Short circuit, over-temperature, clipping, overload
Enclosu
Enclosu
Enclosu
Enclosure
re
re
re
15 mm frame-reinforced Multiplex plywood with
highly resistant black structured paint (PU),
ball proof steel grille with exchangeable,
black acoustic foam
Rigging
12 concealed M12 mounting points
Dimensions
470 x 370 x 520 mm (W x H x D)
Weight
29.5 kg
Options
special finish in RAL colours