Calrec Hydra2, Installation Manual

Page: 84 / 104

84 HYDRA2
Installation Manual
Modular I/O Cards
AL5875 – 1
X
MIC/LINE IN WITH 3 SPLITS (XLR)
WIRING INFORMATION
Function Pin
Positive 2
Negative 3
Ground 1
2 1
3
2 1
3
Connector side
Female
Male
Wiring Side
2 1
3
2 1
3
The AL5875 provides 1 balanced
mic / line level analog input to the
Hydra2 network along with a 3 pre-
gain analog “split” outputs of the
input signal in a 2 slot-wide module.
The input connector is a female XLR,
outputs are male XLR.
The pre gain analog split outputs are
active, irrespective of the Hydra2 interface
card status, as long as the rack is
powered.
Front panel LEDs indicate audio signal
presence for the input and split outputs,
lighting green for signals above -60dBFS.
The input also has a front panel LED
indicator that lights red when 48V
phantom power is on.
The standard modular I/O status LED
flashes green once the card has booted
and lights solid green once a connection
between the card and the Hydra2
interface has been established.
FRONT PANEL VIEW
• Card input connector is female,
requiring male terminated interface
cabling.
• Card Split output connectors are
male, requiring female terminated
interface cabling.
SPECIFICATION
Format Analog
Type
Balanced Mic/Line Level
Inputs 1
Outputs 3 (Pre-gain input splits)
Input Gain Range
-18 dB to +78 dB, remotely controlled per
input
Phantom Power
48 V remotely switchable per input
Input Impedance
2 k
Ω
@ Mic Level / 10 k
Ω
@ Line level
(auto-switching)
ADC 24 bit