Extron electronic MPX 866 A Sync, Audio input, dBu = 0.775 Vrms, 0 dBV = 1 Vrms, 0 dBV 2 dBu

Nominal level	1 Vp-p for Y of S-video and for composite video
	0.7 Vp-p for RGB
	0.3 Vp-p for C of S-video
Minimum/maximum levels
RGB/VGA	Analog: 0.3 V to 1.5 Vp-p with no offset (follows input)
S-video/composite video	Analog: 0.0 V to 2.0 Vp-p with no offset
Impedance	75 ohms
Return loss
RGB/VGA	-40 dB @ 5 MHz
S-video/composite video	-30 dB @ 5 MHz
DC offset
S-video/composite video	±5 mV with input at 0 offset
VGA	±10 mV with input at 0 offset
Switching type
RGB/VGA	Triple-Action
S-video/composite video	Vertical interval

Sync

Input type (VGA group)	RGBHV, RGBS, RGsB, RsGsBs
Output type (VGA group)	RGBHV, RGBS, RGsB, RsGsBs (follows input)
Genlock connector	1 BNC female (video input 9)
Standards	NTSC 3.58, NTSC 4.43, PAL, SECAM
Input level	1.9 V to 5.0 Vp-p
Output level	TTL: 5.0 Vp-p, unterminated for RGBHV, RGBS
Input impedance	510 ohms
Output impedance	75 ohms
Max input voltage	5.0 Vp-p
Max. propagation delay	30 ns
Max. rise/fall time	4 ns
Polarity	Positive or negative (follows input)

Audio

Routing	14 x 6 stereo matrix
Gain	Unbalanced output: -6 dB; balanced output: 0 dB
Frequency response	20 Hz to 20 kHz, ±0.05 dB
THD + Noise	0.03% @ 1 kHz, 0.3% @ 20 kHz at nominal level
S/N	>85 dB, balanced, at maximum output (21 dBu) (unweighted)
Crosstalk	<-120 dB @ 1 kHz, fully loaded
Stereo channel separation	>80 dB @ 1 kHz
CMRR	>75 dB @ 20 Hz to 20 kHz
Volume range	-98 dB to 0 dB (volume numbers 0 to 64 in 1.0 dB steps)

Full attenuation is volume level 0, -98 dB. The default is -0 dB, volume level 64.

Audio input

Number/signal type	14 stereo, balanced/unbalanced
Connectors	(14) 3.5 mm captive screw connectors, 5 pole
Impedance	>25k ohms unbalanced, 50k ohms balanced, DC coupled
Nominal level	-10 dBV (316 mVrms)
Maximum level	+20 dBu, (balanced or unbalanced) at 1% THD+N
Input gain adjustment	–18 dB to +24 dB, adjustable per input by RS-232, Ethernet, or front panel

0 dBu = 0.775 Vrms, 0 dBV = 1 Vrms, 0 dBV 2 dBu

MPX 866 A Media Presentation Matrix Switcher • Specifications 1-3