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(DENSITÉ) SERIES
Description
The ADA-1023 is an analog audio DA that can be
configured for single or dual channel (stereo)
operation. In single channel mode, 8 outputs can
be driven while in dual channel mode, each
channel has four outputs. A wide range of level
gain control is possible and controlled from the
card edge. A signal status is also available
indicating the presence of the input signal(s).
The ADA-1023 requires a 'double' rear connector
panel.
FUNCTIONAL BLOCK DIAGRAM
AUDIO
Inputs
1
2
SPECIFICATIONS
Input
Balanced
Signal: .......................analog audio
Impedance: ..............> 20 k Ω
Common mode
rejection: ..................> 50 dB
Output
Balanced
Signal: ......................balanced analog audio
Impedance: ..............< 50 Ω
ADA-1023 Single/Dual Analog Audio Distribution Amplifier
ADA-1023
Amp
Amp
Select
Microcontroller
Status
ADA-1023 Block Diagramm
Guide to Installation and Operation
Features
•
Single or dual analog audio input(s)
•
Single channel 8-output or dual channel
(stereo) 4-output
•
Balanced inputs and outputs
•
Wide control of gain (-8 to +32 dB)
•
Status LED and remote reporting of
presence and overload.
•
Provides output to Monitoring Switching
Bridge option (MSB-1121)
Rem Control
Processing performance
Gain: ........................ -8 to +32 dB
Max. Level: ............... +25 dBu
SNR: ........................ < -95 dBu
Distortion: ................ < -85 dB (20 Hz to 20 kHz) @ +23
Freq. response: ........ ±0.2 dB (20 Hz to 20 kHz)
Crosstalk:.................. 100 dB
Miscellaneous
Overload threshold: . +9 to +24 dBu (1 dB steps)
Signal absence:
-Fixed threshold: ..... -48 to -24 dBu (6 dB steps)
-Adjust. Delay: ........ from 0 to 255 s
Power: ...................... 7 W
ADA-1023
M451-9600-101
March 2008
1
2
3
4
AUDIO
Outputs
5
6
7
8
To Monitor
20 Hz to 20 kHz unweighted
dBu
Page 1 of 4
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Related Manuals for Miranda ADA-1023
Summary of Contents for Miranda ADA-1023
- Page 1 ADA-1023 Description Features • Single or dual analog audio input(s) The ADA-1023 is an analog audio DA that can be • Single channel 8-output or dual channel configured for single or dual channel (stereo) (stereo) 4-output operation. In single channel mode, 8 outputs can be driven while in dual channel mode, each •...
- Page 2 Make sure the following items have been shipped with your panels are given in the Densité Frame manual. ADA-1023. If any of the following items are missing, contact When used with a ADA-1023-DRP, the module must be installed your distributor or Miranda Technologies Inc.
- Page 3 The ADA-1023 has operating parameters which may be adjusted shown below. at the controller card interface. After pressing the SELECT button on the ADA-1023 card, use the keys on the local control REAR PANEL ERROR, OVERLOAD 1, OVERLOAD 2, OVERLOAD 1&2, STATUS NO SIGNAL 1, NO SIGNAL 2, NO SIGNAL 1&2, ALL OK...
- Page 4 Mode selection and Gain Adjustment The ADA-1023 can operate as a single-input, 8-output DA, or as a dual-input, 4-output DA. Select the operating mode using jumper J3, located on the card (see figure below for jumper location) The gain of the two audio input channels can be set using a two-step process. First, select the gain range using on-board jumpers J1 and J2 The gain range can be selected from the following choices: -8 to 0db, 0 to 8 db.
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