Extron electronic MSG0804, MSG0808 manual Sync, Audio audio models only, Audio input, Audio output

Nominal level	1V p-p for Y of component video and S-video, and for composite video
	0.7V p-p for RGB
	0.3V p-p for R-Y and B-Y of component video, and for C of S-video
Minimum/maximum levels	Can deliver ±5Vp to 75 ohm load
Impedance	75 ohms
Return loss	-45dB @ 5 MHz
DC offset	±1.5mV maximum with input at 0 offset
Switching type	Triple-Action (RGB delay), or vertical interval (if genlocked)

Sync

Input type	RGBHV, RGBS, RGsB, RsGsBs
Output type	RGBHV, RGBS, RGsB, RsGsBs
Genlock connectors	2 BNC female
Standards	NTSC 3.58, NTSC 4.43, PAL, SECAM
Input level	2.0V to 5.0V p-p
Output level	4.0V to 5.0V p-p	or	TTL 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

MSG Matrix Switchers • Specifications A-3