Extron Electronics MVC 121 - Manual (Page 43)

MVC 121 • Specifications, Parts, Accessories A-3
Input level sensitivity (mic inputs)
DIP switch = line level ..... -42 dBV (8 mV) for nominal output
DIP switch = mic level ..... -72 dBV (0.25 mV) for nominal output
Input level sensitivity (main input)
-22 dBV (79 mV) for nominal output
N 0 dBu = 0.775 Vrms, 0 dBV = 1 Vrms, 0 dBV H” 2 dBu
Audio output
Number/signal type ................... 2 stereo, balanced/unbalanced
Connectors ................................... (2) 3.5 mm captive screw connector, 5 pole
Impedance .................................... 50 ohms unbalanced, 100 ohms balanced
Gain error ..................................... ±0.1 dB channel to channel
Nominal level ............................... +4 dBu (1.23 V), balanced output (when
gain is set to +6 dB)
-10 dBV (0.316 V), unbalanced output
Maximum level (Hi-Z) ................ >+24 dBu, balanced; >+18 dBu, unbalanced
at 1% THD+N
Maximum level (600 ohm) ......... >+15 dBm, balanced at 1% THD+N
Control/remote— mixer/volume controller
Serial control port ........................ RS-232, 3.5 mm female captive screw
connector (3 poles of a 6 pole connector)
Baud rate and protocol ............... 9600, 8-bit, 1 stop bit, no parity
Serial control pin configurations 1 = TX, 2 = RX, 3 = GND
Contact closure mute control .... 1 = mic 1, 2 = mic 2, 3 = main input
Program control .......................... Extron’s control program for Windows
®
Extron’s Simple Instruction Set (SIS ™ )
General
External power supply ................ 100 VAC to 240 VAC, 50/60 Hz, external;
to 12 VDC, 1 A, regulated
Power input requirements ......... 12 VDC, 0.5 A.
Temperature/humidity .............. Storage -40° to +158°F (-40° to +70°C) /
10% to 90%, noncondensing
Operating +32° to +122°F (0° to +50°C) /
10% to 90%, noncondensing
Cooling .......................................... Convection, no vents
Mounting