Extron electronic MSG Series Audio audio models only, Audio input, Control/remote - switcher

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)

MSG Series Switchers • Specifications 1-3