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Audio Design Associates
www.ada-usa.com
PTM-3245
www.ada-usa.com
9
Providing Power to the PTM-3540
AC Power Connections
Before connecting the AC cord to the PTM-3245, remove power to all the components in your audio
system. Plug the female end of the AC cord to the AC receptacle on the rear of the amplifier. Plug the
male end of the AC cord to an AC outlet or power strip.
Plug the PTM-3245 into the same AC wall outlet or power strip that powers your other audio
components, especially the system controller or preamplifier. Having all the audio components on the
same power circuit helps prevent hum caused by possible ground loops.
The PTM-3245 can be powered on manually from the front panel power switch. Additionally, each
channel pair or zone can automatically triggered on with a 12 Vdc trigger from the ADA Suite 16 or
other trigger source. There are two rear mounted DB-9 connectors on the rear panel for this purpose.
Manually Powering the PTM-3245
To set up the PTM-3250 for manual power control, set the trigger bypass switch to the upper
Bypass
Trigger
position. In this mode, the amplifier can only be turned on and off from the front panel power
switch. The PTM-3245 can also be turned on from an external AC source such as the ADA ACC-48
Quad AC Controller.
Automated Zone Power Control of the PTM-3245
To set up the PTM-3250 for automated power control for each zone, set the trigger bypass switch to
the lower
Zone Triggers
switch. In this mode, each channel pair or zone can be turned on independently
of the other channels with a 9-12 Vdc trigger source applied between ground and the corresponding
pins on the DB-9 connectors on the rear panel.
If you are controlling the PTM-3245 with the ADA Suite-16 (which other ADA system), you only
need to connect a ribbon connector between the Zone trigger output of the P-16 and the trigger inputs
of the PTM-3245. If you are using a different type of triggering source, you can apply 9-12 Vdc to the
corresponding pin of each zone you want to activate.
Following is the pin configuration for the DC triggers:
Gnd
Zn 6
Zn 5
Zn 14
Zn 13
Zn 4
Zn 3
Zn 2
Zn 1
Gnd
Zn 12
Zn 11
Zn 16
Zn 15
Zn 10
Zn 9
Zn 8
Zn 7
Bypass Trigger
Zone Triggers
Zones 7-12, 15 & 16
Connect
to P-16
Zone Triggers
on Suite-16
