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The Cobalt® ROYAL 9253 is a dual AES/EBU distribution amplifier, providing four copies of each incoming signal. The card supports audio sampling frequencies from 30 kHz to 192 kHz. It can also be used as a 1×8 distribution amplifier, providing eight outputs that are sample rate converted. Cable equalization and reclocking techniques enable the 9253 to reliably recover the incoming digital audio signal.
The 9253 has two 75Ω unbalanced AES inputs and four 75Ω unbalanced AES outputs per AES input. Card status can be monitored using DashBoard™ remote control software.
Key Features
Supports audio sampling frequencies from 30 kHz to 192 kHz
Cable equalization and data relocking on AES inputs
Configurable as dual 1x4 or 1x8 distribution amplifier
Remote monitoring via DashBoard™ software
Five year warranty
Specifications
Electrical
4 Watts
AES Input
Number of Inputs: 2 unbalanced BNC (2 Ch per BNC)
Impedance: 75 Ω
Supported external reference type: DARS (via frame reference or AES IN 2 set as ref input). Ref source set using card jumpers.
Resolution: 24-bit
Level: 0.2 – 7 Vp-p
Sample rate: 30 kHz to 192 kHz
AES Output
Number of outputs: 8 unbalanced BNC (2 Ch per BNC)
Impedance: 75 Ω
Resolution: 24-bit
Level: 1 Vp-p
Sample rate: 30 kHz to 192 kHz
Jitter: < 5 ns
Diagrams
Block Diagram
RM20-9253-A
- (2) AES Audio In (IN 1 and IN 2)
- (8) AES Audio Out (1-1 thru 1-4 OUT; 2-1 thru 2-4 OUT; can be used as 1×8 DA)
RM20-9253-A/S
(Dual-card (split) rear module; connections are per card)
- (1) AES Audio In (IN 1)
- (4) AES Audio Out (1-1 thru 1-4 OUT
(Rear module offers only IN 1 1×4 DA)
RM20-9253-B/S-DIN
(Dual-card (split) rear module; connections are per card)
- (2) AES Audio In (IN 1 and IN 2)
- (8) AES Audio Out (1-1 thru 1-4 OUT; 2-1 thru 2-4 OUT)
(All coaxial connectors DIN1.0/2.3)
RM20-9253-B/S-HDBNC
(Dual-card (split) rear module; connections are per card)
- (2) AES Audio In (IN 1 and IN 2)
- (8) AES Audio Out (1-1 thru 1-4 OUT; 2-1 thru 2-4 OUT)
(All coaxial connectors HDBNC)
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