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92 | Section 7
Audio
Analog Inputs
2x send analog inputs
♦
2x Program-on-Hold analog inputs ♦
XLR female, pin 2 high. Active balanced, with RF protection. ♦
Output level ♦ adjustable from –7 to +8 dBu (nominal)
Analog clip point
♦ +21dBu
Output impedance
♦ <60 Ohms x2
Analog-to-digital converter resolution
♦ 20 bits ??
Analog Outputs
2x receive analog outputs
♦
XLR male, pin 3 high. ♦
Input level ♦ Adjustable, -7 to +8 dBu (nominal) level.
Impedance
♦ Bridging, >100K Ohms
Digital-to-analog converter resolution
♦ 20 bits ??
Headroom before clipping
♦ ??
AES3 Digital Inputs/Outputs (option)
e AES input/output option module substitutes 2x input and 2x output AES XLRs in place of
the standard analog, providing 4x in/4x out channels.
Conform to AES3 standard
♦
Sample rates ♦ 32, 44.1, and 48kHz.
Rate conversion
♦ Input and output, independently selectable
Clock
♦ AES input or ISDN network clock.
Input Level
♦ Adjustable -27 to –12 dBfs
Output Leve
♦ l Adjustable –27 to –12dBfs
Livewire
Livewire connection is standard for all hybrids in/out and POH audio in
♦
Audio Performance
Frequency Response ± .5dB, 50 to 20kHz (swept sine procedure, measured from analog input
to output with unit in loopback mode)
THD+N/Input <0.06% typical (Measured at 0 dBu @ 1 kHz analog in to AES out in loop-
back mode)
Switching Matrix and Conferencing
All-digital audio routing and switching ♦