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Max input voltage ........................ 5V p-p
Polarity .......................................... Positive or negative (switch-selectable)
Audio
Gain ................................................ Unbalanced output: 0 dB; balanced output: +6 dB
Frequency response .................... 20 Hz to 20 kHz, ±1.1 dB
THD + Noise ................................. 0.03% @ 1 kHz at nominal level, 0 dB gain
S/N ............................................... >90 dB at rated maximum output
Crosstalk ....................................... <-80 dB @ 1 kHz
Stereo channel separation .......... >84 dB @ 1 kHz
Audio input
Number/signal type ................... 8 stereo, unbalanced
Connectors ................................... 5 pairs of RCA (tip-ring) jacks
Impedance .................................... >10k ohms unbalanced, DC coupled
Nominal level ............................... +4 dBu (1.23 Vrms), -10 dBV (316 mVrms)
Maximum level ............................ +10.4 dBu, (unbalanced) at 1% THD+N
Input gain adjustment ................. -53 dBu to +9 dBu, adjustable per input
0 dBu = 0.775 Vrms, 0 dBV = 1 Vrms, 0 dBV 2 dBu.
Audio output
Number/signal type ................... 1 stereo, unbalanced
Connectors ................................... 1 pair of RCA (tip-ring) jacks
Impedance .................................... 50 ohms unbalanced, 100 ohms balanced
Gain error ..................................... ±0.1 dB channel to channel
Maximum level (Hi-Z) ................ >+21 dBu, balanced at 1% THD+N
Maximum level (600 ohm) ......... >+14 dBm, balanced at 1% THD+N
Control/remote — decoder/scaler
Serial control port ........................ RS-232, 9-pin female D connector
Baud rate and protocol ............... 9600 baud, 8 data bits, 1 stop bit, no parity
Serial control pin configurations 2 = TX, 3 = RX, 5 = GND
IR controller module ................... IN1508 Remote
Program control .......................... Extron's Simple Instruction Set (SIS
General
Power ............................................ 100 VAC to 240 VAC, 50/60 Hz, 30 watts, internal
Temperature/humidity .............. Storage: -40 to +158 °F (-40 to +70 °C) / 10% to 90%, noncondensing
Cooling .......................................... Convection
Rack mount .................................. Yes, with included brackets
Enclosure type .............................. Metal
Enclosure dimensions ................. 1.75" H x 17.5" W x 8.5" D (1U high, full rack wide)
Product weight ............................. 7.0 lbs (3.2 kg)
IN1508 Scaling Presentation Switcher • Specifications and Part Numbers
(3) 3.5 mm mini stereo (tip-ring-sleeve) jacks
1 stereo, balanced/unbalanced
(1) 3.5 mm captive screw connector, 5 pole
>+11 dBu, unbalanced at 1% THD+N
>+10 dBm, unbalanced at 1% THD+N
Operating: +32 to +122 °F (0 to +50 °C) / 10% to 90%, noncondensing
4.4 cm H x 44.4 cm W x 21.6 cm D
(Depth excludes connectors and knobs. Width excludes rack ears.)
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A-3
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