Calrec Apollo - Page 122

122 APOLLO Digital Broadcast Production Console Specifications
SYNCHRONISATION INPUTS
AUDIO PERFORMANCE DATA
HYDRA2 ANALOGUE OUTPUT SPECS
Digital - Analogue
Conversion
24 Bit
Output Balance
Electronically balanced. 20Hz to 20kHz, better than -35dB, typically -45dB
Output Impedance
<40 Ohms
Distortion
-1dBFS @ 1kHz — Better than 0.006%
-20dBFS @ 1kHz — Better than 0.003%
-60 dBFS @ 1kHz — Better than 0.3%
Frequency Response
20Hz to 20kHz +/- 0.25dB
Notes
Analogue output for 0dBFS matches input setting into >1kOhms (+24dBu max into 600 Ohms)
Digital to Digital
(AES3) Distortion
-1dBFS, 20Hz to 10kHz — Better than 0.0001%
Digital to Digital
(AES3 with SRC) Distortion
-1dBFS, 20Hz to 10kHz — Better than 0.0002%
Frequency Response
(Analogue Input to Output)
20Hz to 20kHz +/- 0.5dB
48KHz Synchronisation
NTSC/PAL Video
Tri-Level
Internal Crystal Reference
TTL Wordclock (48kHz)
AES/EBU (AES3) Digital Input (48kHz)
LATENCY @ 48KHZ / 96KHZ SAMPLE RATE *
From
To Via Samples @48kHz @96kHz
AES3 inputs (SRC off)
AES3 Outputs Port to port 18 0.376ms 0.188ms
AES3 Outputs channel, group, and aux, track or main output 30 0.626ms 0.313ms
Analogue Outputs Port to port 65 1.354ms 0.677ms
Analogue Outputs channel, group, and aux, track or main output 77 1.604ms 0.802ms
Turning SRC on adds to the above: + 39 + 0.814ms + 0.407ms
Mic/Line inputs
AES3 Outputs Port to port 43 0.896ms 0.448ms
AES3 Outputs channel, group, and aux, track or main output 55 1.146ms 0.573ms
Analogue Outputs Port to port 90 1.876ms 0.938ms
Analogue Outputs channel, group, and aux, track or main output 102 2.126ms 1.063ms
* Note: These latency figures are for a system with a single Router/DSP core rack. Add 2 samples for each input, and 2 samples for
each output, for each additional core rack in the relevant part of the signal path.