DAA2 & DAX — P/N 53265:A1 8/24/2011 45
DAX Overview DAX Digital Audio Amplifiers
Speaker Circuits - TB4 and TB5
Power-limited outputs*
* Exception: A DAX-3570 and DAX-5070 speaker circuit used with any Canadian Room
Isolator modules is non-power-limited.
DAX-5025/70 - Each circuit rated up to 50 watts.**
DAX-3525/70 - Each circuit rated up to 35 watts.**
**Total wattage may vary. Refer to “BDA Backup Digital Amplifiers” on page 67 for
configurations.
Supervision determined by programming.
25V
RMS
- DAX-5025/DAX-3525 speaker circuits, 70V
RMS
- DAX-5070/DAX-3570 speaker
circuits.
Recommended wiring: 12-18 AWG twisted-pair (shielded recommended).
Class B or Class A:
Class B requires 20k end-of-line resistors (included, P/N ELR-20K).
Class A requires 10k end-of-line resistors (included, P/N R-10K) on the return.
Backup from Alternate Amplifier - TB10 and TB11
High-level audio input.
• 25V
RMS
(DAX-5025 and DAX-3525)
• 70V
RMS
(DAX-5070 and DAX-3570)
Recommended wiring: 14-18 AWG twisted-pair (shielded recommended).
• 25V (DAX-5025 and DAX-3525)
• 70V (DAX-5070 and DAX-3570)
Supervision:
• Not supervised when inactive. Supervised by backup source when active.
• Must be in the same room or enclosure.
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