Kramer Electronics Ltd.
AFM-20DSP
– Technical Specifications
60
Technical Specifications
AFM-20DSP Technical Specifications
Inputs/Outputs
20 Balanced Mono Audio
On 3-pin terminal blocks
Inputs
1 HDMI
On a female HDMI connector
1 S/PDIF
On an RCA connector
Outputs
1 HDMI
On a female HDMI connector
1 S/PDIF
On an RCA connector
120W Amplifier
On a 4-pin large terminal block
Ports
Dante
On an RJ-45 female connector
Mini USB
On a female mini USB connector
RS-232
On a 3-pin terminal block connector
Ethernet
On an RJ-45 female connector
Line/Mic Level Input
Impedance Unbalanced
Impedance Balanced
Impedance Microphone
7.6
kΩ
3.8
kΩ
3.8
kΩ
Nominal level Unbalanced
Nominal level Balanced
0dBV (0.77Vrms)
+6.8dBu (1.54Vrms)
Maximum level (Balanced)
+8dBu (2Vrms)
Sensitivity Unbalanced
Sensitivity Balanced
Full power @ 0dBV (0.77Vrms)
Full power @ +6dBu (1.54Vrms)
Phantom Power
48 VDC on/off per input
Line Level Output
Impedance Unbalanced
Impedance Balanced
5
0Ω
50
Ω
Frequency Response
20Hz - 20kHz @ +/-1dB
S/N Ratio:
>100 dB, 20Hz - 20kHz, at unity gain
(unweighted)
Audio THD + Noise:
<0.01%, 20 Hz - 20 kHz, at unity gain
Crosstalk
<-85 dB, 20Hz to 20kHz
Amplifier
Class
D
Input Sensitivity
Attains full power @ 0.3V (
–10dBV)
Output Power
2 x 60W @ 4Ω or 8Ω
1 x 120W @70V or 100V
Maximum Voltage Gain
26dB SE / 32dB BTL
Dynamic Range
119dB
Frequency Response
20Hz to 20kHz @ +/-1dB
S/N Ratio
80dB: 10dBV; 20 Hz: 20 kHz
Audio THD + Noise
THD+N (1kHz @ 1W) 0.003 %
Audio 2
nd
Harmonic
0.08% @ 75W RMS @ 4Ω 6.67kHz
Crosstalk
<-85 dB, 20Hz to 20kHz
Total System
Efficiency
89%
Video
Max Bandwidth
10.2Gbps (3.4Gbps per graphic channel)
Max Resolution
4K UHD @60Hz (4:2:0) 24bpp resolution
Compliance
HDMI and HDCP 1.4
User Interface
Front Panel LEDs
1 status, 20 analog audio ports, 4 Dante I/O,
HDMI embed, HDMI de
–embed, 2 S/PDIF
I/O, and 2 amplifier channels