Please refer to this chart for a quick overview of the channel count for DAD AX32, Penta 720 and Penta 721s depending on what sample rate you are running at.
|44.1/48 kHz||88.2/96 kHz||176.4/192 kHz||352.8/384 kHz|
|Dante (base unit)||64||32||16||N/A|
|Dante Exp Card*||128||64||32||N/A|
|SPQ (no I/O)||128||64||32||16|
** Also applies to Penta 721s-SDI
NOTE! The first 4 rows also apply to DAD DX32R
If you use Avid’s MTRX, the chart is also relevant. However, since you have DigiLink ports, here is the additional info:
|MTRX||44.1/48 kHz||88.2/96 kHz||176.4/192 kHz||352.8/384 kHz|
|DigiLink (base unit, per port)||32||32||32*||N/A|
|DigiLink Card (per port)||32||32||32**||N/A|
** Card channel limit is 32. At 176.4/192 kHz, only one port can be used.