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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 

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