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A-3System 5
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r Plus • Appendix
Audio
Gain ............................................... Unbalanced/balanced -78dB to +40dB
Frequency response..................... 20 Hz to 20 kHz, ±0.05dB
THD + Noise ................................ <0.1% @ 1 kHz at rated maximum output drive
S/N ................................................ >95dB, at rated maximum ourput drive
Crosstalk ....................................... <-80dB @ 1 kHz, fully loaded
Stereo channel separation .......... >90dB @ 1 kHz
CMRR ............................................ >75dB @ 20 Hz to 20 kHz
Audio input
Number/signal type ................... 5 stereo, balanced/unbalanced
Connectors .................................... 1 3.5 mm mini stereo jack (PC 1)
4 3.5 mm captive screw connectors, 5 pole
Impedance .................................... >50 kohms unbalanced, 25 kohms balanced
Maximum level ............................ +20dBu, (balanced or unbalanced) at stated %THD+N
Input gain adjustment................. –10dB to +6.5dB, adjustable per input
Audio output — line out
Number/signal type ................... 1 stereo, balanced/unbalanced
Connectors .................................... 1 3.5 mm captive screw connector, 5 pole
Impedance .................................... 50 ohms unbalanced, 100 ohms balanced
Maximum level (Hi-Z) ................ >+21dBu, balanced or unbalanced at stated %THD+N
Maximum level (600 ohm) ......... >+15dBm, balanced or unbalanced at stated %THD+N
Audio output — power amp
Number/signal type ................... 1 stereo, unbalanced
Connectors .................................... 2 spring-loaded captive terminals, L/R, +/-
Protection ...................................... Thermal, short circuit, open circuit, overload
Maximum level (full power out) .. At less than 0.5% THD from 20-20kHz:
24 watts; 12 watts per channel @ 4 ohm load
12 watts; 6 watts per channel @ 8 ohm load
0dBu = 0.775 volts (RMS).
Control/remote — switcher
Serial control port ........................ RS-232, 9-pin female D connector
Baud rate and protocol ............... 9600, 8-bit, 1 stop bit, no parity
Serial control pin configurations 2 = TX, 3 = RX, 5 = GND
Extron remote key pad control .. 2 5 mm, 5-pole captive screw connectors (Aux ports)
IR controller module ................... 30 kHz to 60 kHz input frequency compatibility
Program control ........................... Extron’s control program for Windows
Extron’s Simple Instruction Set™ – SIS™
Control — room relay
Number/type............................... 1 momentary or latching
Connectors .................................... 1 3.5 mm captive screw connector, 5 pole
Contact rating............................... 24V, 1 A
Control — projector
Projector control port (IR) .......... 1 3.5 mm captive screw connector, 5 pole