Sundown Audio SFB 1000.4D, Owner'S Manual

Page: 3 / 15

SFB SERIES AMPLIFIER OWNER’S MANUAL version 01/21 v2

High Efficiency Digital Multi-Channel
Design

12dB/Octave-Variable High Pass Filter

12dB/Octave-Variable Low Pass Filter

Clipping Indicator

4 Way Protection Circuit (Thermal,
Voltage Speaker short and DC Offset)

Optional Wired Remote Control with
Clipping Indicator.
Tested @14.4Volts SFB-200.4D SFB-500.4D SFB-1000.4D SFB-1800.5D
1Ω RMS 200W / CH 500W / CH 1000W / CH
1Ω NOT SUPPORTED (CH1-4)
1000W (CH5)
2Ω RMS 125W / CH 300W / CH 550W / CH
300W (CH1-4)
500W (CH5)
4Ω RMS 75W / CH 200W / CH 325W / CH
200W (CH1-4)
250W (CH5)
Recommended Fuse
Rating
80A 180A 350A 150A
Low Pass Filter
(-12dB/8) Variable
50Hz - 6kHz
50Hz - 6kHz
50hz - 20kHz (CH5)
High Pass Filter
(-12dB/8) Variable
15Hz - 6kHz
15Hz - 6kHz
15hz - 1kHz (CH5)
LEVEL (Bass Boost) 0 - 12dB (50Hz)
Input Sensitivity 5V Max
Signal Noise Ratio 100dB
Working Voltage 10.5V-15.5V DC
Width mm 185mm 210mm 229mm 229mm
Length mm 216mm 248mm 293mm 318mm
Height mm 64mm 70mm 70mm 70mm
Width inches 7.25" 8.25" 9.00" 9.00"
Length inches 8.50" 9.75" 11.50" 12.50"
Height inches 2.50" 2.75" 2.75" 2.75"
FULL RANGE DIGITAL SPECIFICATIONS
FULL RANGE DIGITAL FEATURES