Grass valley 8910ADA-ST DATASHEET
8910ADA-ST Stereo Analog Audio Distribution Amplifier 5
Key Features
•Stereo or monaural modes
•Frequency response of 20 Hz to 20 kHz ±0.05 dB
•Independent local gain control for each channel
•Gain range from –15 dB to +33 dB
•Max. output level +24 dBu
•AC coupled input, eliminates DC component
•Remote monitoring via Ethernet
Specifications
Supported Frame Types
GeckoFlex with 8900A-R GeckoFlex Audio rear module, Gecko audio frames: 8900TX-A, 8900TF-A, 8900TFN-A
Power Rating
2.2 Watts – single slot
Input
Impedance: >24 kΩ
Level: +30 dBu max.
CMRR: >72 dB, 60 Hz to 20 kHz
Output
Number of outputs: Four stereo outputs, eight mono Impedance: <50Ω balanced
Level: ≤+24 dBu max.
Level match between outputs: ≤±0.25 dB Output to output isolation: >100 dB
Drive capability: 600Ω minimum load impedance
The 8910ADA-ST offers cost-effective distribution of monaural or stereo analog audio throughout your facility. In stereo mode there are four pairs of outputs, and in monaural mode there are eight outputs. Featuring flat frequency response to maintain your signal integrity, the 8910ADA-ST offers a wide range of gain controls using a combination of board jumpers and local gain adjustment from the front of the module. Channel 1 and 2 gains are controlled separately so you can use this board as a dual 1x4 analog audio distribution amplifier. Additionally, you can easily monitor the condition of the module with our popular Ethernet interface, which provides a convenient Web interface, Newton control system, and SNMP monitoring.
Pin 3 |
+ |
8900A-R |
G |
Pin 1 |
Pin 2 |
_ |
_ |
Pin 2 |
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Pin 1 |
G |
J1 |
+ |
Pin 3 |
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J2 |
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J3 |
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Analog |
J4 |
Analog |
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Audio 1 |
J5 |
Audio 2 |
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Outputs |
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Outputs |
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J7 |
J6 |
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Analog |
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J8 |
Analog |
J9 |
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Audio 1 |
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J10 |
Audio 2 |
Intput |
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Intput |
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J11
Not Used 
Not Used
J12
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J13 |
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Not Used |
J14 |
Not Used |
Balanced |
Gain |
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Selectable |
Output Amps |
Balanced |
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Input |
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Outputs |
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Gain Amp |
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Range >6 dB |
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Audio 1 |
+ |
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Audio 1/ |
Balanced |
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Monaural |
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Monaural |
– |
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Outputs |
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Input |
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-12 |
+30 |
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Stepped Gain |
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6 dB per Step |
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Gain |
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Range >6 dB |
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Audio 2 |
+ |
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Stereo |
Monaural |
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Balanced |
– |
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Input |
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-12 |
+30 |
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Audio 2/ |
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Monaural |
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Stepped Gain |
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Outputs |
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6 dB per Step |
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Performance
Frequency response: ±0.05 dB, 20 Hz to 20 kHz THD: <0.01% @ +24 dBu
IM distortion: <0.005%
Noise: –86 dBu max.
Gain range: –15 to +33 dB
Other
User controls: Input gain, >6 dB range each channel Gain jumpers: –12 to +30 dB gain in 8, 6 dB steps
Operating temperature: 0° to 45°C
Humidity range: 0% to 90% non-condensing
Non-operating temperature: –10° to 70°C Remote – SNMP alarms
Ordering Information
This module can be mounted in a GeckoFlex frame when ordered with the 8900A-R GeckoFlex Audio rear module.
8910ADA-ST
Stereo analog audio distribution amplifier
8900-A-CBL (Gecko Frames only)
Package of four three-terminal to dual BNC cables, used for unbalanced outputs on modules in a Gecko frame
8900-GFA-CBL (GeckoFlex Frames only)
Package of four three-terminal to dual BNC cables, used for unbalanced outputs on 8900A-R modules in a GeckoFlex frame
For detailed specifications, installation, and setup instructions see: www.grassvalley.com/docs/modular
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