Connectors
SOURCE 1-8: Eight sets of four RCA connectors; used to
connect the independent audio sources to the CNX-
PAD8A; Of each set, two of the connectors are used for
the left and right audio channels and the remaining two
connectors are parallel stereo loop-throughs
ROOMS 1-8: Eight pairs of RCA jack; output pre-amplified
audio to corresponding room(s) amplifier(s); Each room
output has left and right audio channels
CRESNET: Four-pin network connector used to connect
the CNX-PAD8A to the Cresnet system;
LED Indicators
PWR: Indicates power supplied to unit
NET: Indicates communication between the system and
CNX-PAD8A
SETUP: For future use
ROOMS 1-8: Indicates an audio source signal is routed to
corresponding room
Power Requirements:
24VDC, .42A; network power
Cresnet Power Factor: 10W
Preamp Specifications (per channel)
Input Impedance: 54K ohms
Output Impedance: 37.5 ohms
Total Harmonic Distortion (THD): <0.02%
Maximum Input Level (Flat Mode): 3.2Rms
Maximum Output Level: 2.5vrms
Channel Separation: >–92dB
Signal to noise ratio: >100dB
Gain Range (Excluding Mute): –80db to +20db
(10db steps)
Mute: –92dB
Relay Isolation: From each output in the off mode,
with power on delay
Tone Specifications
Flatness (8 to 60KHz flat mode): +/– 0.2dB
Bass Step Size (100Hz): 2dB
Treble Step Size (10KHz): 2dB
Dimensions
3.47"/8.81cm (H) x 16.91"/42.94cm (W) x
8.43"/21.41cm (D)
Weight
5.28lbs./2.40kg
Accessory
CNX-ASBK: (Audio Switcher Bussing Kit) Allows up to four
units to be bussed together, for a total of 32 outputs
Crestron CNX-PAD8A Professional Audio Distribution Processor
Specifications subject to change without notice. Printed in USA Doc.6039A 12/02
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