Extron electronic MSG Series Switch User Manual


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1-3MSG Series Switchers • Specifications
Input level ..................................... 2.0V to 5.0V p-p
Output level .................................. 4.0V to 5.0V p-p, unterminated
Input impedance .......................... 510 ohms
Output impedance ...................... 75 ohms
Max input voltage ....................... 5.0V p-p
Max. propagation delay .............. 25 ns
Max. rise/fall time ....................... 6.5 ns
Polarity .......................................... Positive or negative (follows input)
Audio (audio models only)
Routing
MSG0804-4, MSG0804HR-4
8 x 4 stereo matrix
MSG0808-4, MSG0808HR-4
8 x 8 stereo matrix
Gain ............................................... Unbalanced output: 0dB; balanced output: +6dB
Frequency response ..................... 20 Hz to 20 kHz, ±0.5dB
THD + Noise ................................ <0.03% @ 1 kHz at nominal level
S/N ............................................... >60dB at rated maximum output
Crosstalk ....................................... <-70dB @ 1 kHz, fully loaded
Stereo channel separation .......... >70dB @ 1 kHz
CMRR ............................................ >45dB @ 20 Hz to 20 kHz
Audio input
Number/signal type ................... 8 stereo, balanced/unbalanced
Connectors .................................... (8) 3.8 mm captive screw connectors, 5 pole
Impedance .................................... >20 kohms unbalanced, 20 kohms balanced, DC coupled
Nominal level ............................... +2.2dBu (0.7Vrms), -60dBV (1mV), +4dBu (1.23V), 0dBu (0.775V), -10dBV (316mV),
-20dBV (100mV)
Maximum level ............................ +12dBu, (balanced or unbalanced) at 1%THD+N
Input gain adjustment................. –64dB to +0dB, adjustable per input
Audio output
Number/signal type
MSG0804-4, MSG0804HR-4
4 stereo, balanced/unbalanced, line level
MSG0808-4, MSG0808HR-4
8 stereo, balanced/unbalanced, line level
Connectors
MSG0804-4, MSG0804HR-4
(4) 3.8 mm captive screw connectors, 5 pole
MSG0808-4, MSG0808HR-4
(8) 3.8 mm captive screw connectors, 5 pole
Impedance .................................... 50 ohms unbalanced, 100 ohms balanced
Gain error ...................................... ±0.4dB channel to channel
Maximum level (Hi-Z) ................ >+24dBu, balanced; >+18dBu, unbalanced at stated %THD+N
Maximum level (600 ohm) ......... >+20dBm, balanced or unbalanced at stated %THD+N
0dBu = 0.775 volts (RMS).
Control/remote — switcher
Serial control ports ...................... RS-232, RS-422, RS-485 on a 3.8 mm captive screw connector, 5 pole
Baud rate and protocol ............... 1200/2400/4800/ 9600/19200/38400 baud (default: 9600 baud, 8-bit, 1 stop bit, no
parity, no flow control)
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