Extron electronic MPS 112CS manual Reference Information, cont’d, Audio - program audio

Reference Information, cont’d

Audio output — individual audio groups (VGA, S-video, composite video)

Number/signal type	1 stereo, unbalanced, per each group
Connectors
VGA group	(1) 3.5 mm female stereo mini jack, tip (L), ring (R), sleeve (GND)
S-video and video groups 1 pair of female RCA connectors per each group
Impedance	50 ohms unbalanced
Gain error	±0.1 dB channel to channel
Nominal level	-10 dBV (316 mVrms)
Maximum level (Hi-Z)	+9 dBV (2.82 Vrms) at 1% THD+N

Audio — program audio

Gain

When program volume is at default:

	MPS 112: 0 dB for unbalanced output
	MPS 112CS: 0 dB for unbalanced output, +12 dB for balanced output
When program volume is at maximum:
	MPS 112: +12 dB for unbalanced output
	MPS 112CS: +12 dB for unbalanced output, +18 dB for balanced
	output
Program volume range	0 to 100 (-70 dB to +12 dB)
Frequency response	20 Hz to 20 kHz, -0.1 dB to + 0.05 dB
THD + Noise	0.08% @ 1 kHz, 0.1% @ 20 kHz at nominal level
S/N	>90 dB at maximum output (unweighted)
Crosstalk	-105 dB @ 1 kHz, -91 dB @ 20 kHz (when all inputs are terminated)
	-93 dB @ 1 kHz, -70 dB @ 20 kHz (when all inputs are unterminated)
Stereo channel separation	100 dB @ 20 Hz, 80 dB @ 1 kHz, >55 dB @ 20 kHz
CMRR	>75 dB @ 20 Hz to 20 kHz

Audio output — program audio

Number/type
MPS 112	1 stereo, unbalanced
MPS 112CS	1 stereo, balanced/unbalanced
Connectors
MPS 112	(1) pair of RCA connectors
MPS 112CS	(1) 3.5 mm, 5-pole captive screw connector
Impedance
MPS 112	50 ohms unbalanced
MPS 112CS	50 ohms unbalanced, 100 ohms balanced
Gain error	±0.1 dB channel to channel
Nominal level when the main volume is set to default
MPS 112	-10 dBV (316 mVrms) unbalanced output
MPS 112CS	-2 dBu (632 mVrms) balanced output
Maximum level (Hi-Z)	+20 dBV (10 Vrms) at 1% THD+N
Talk-over (ducking) response time (typical)
Attack time	Instant
Release delay	5 seconds
Release time	1 second
Ducking level	0 dB to 30 dB, adjustable; default = 6 dB

A-4 MPS Series • Reference Information