FRONT PANEL CONTROLS
The front panel power switch switches the AMPSUB210 on or off. Red LEDs behind the power button lens indicate power status. Whenever the amplifier’s power switch is in the “ON” position and the amplifier is in
AMPSUB210
OWNER’S MANUAL
7 & 10 RCA INPUT/OUTPUT
Line 1 Line 2
“Active” status the Signal LED is illuminated green. If the amplifier is “ON” but in “Standby” status the Signal LED will illuminate orange.
REAR PANEL CONTROLS
The AMPSUB210 can be turned on and off independently via the power switch on the front panel, by signal sensing, or remotely by a triggered DC input. Switch 14 , located on the lower edge of the rear panel of the amplifier, selects
VSpeaker IN
Line 1R L
IN +
L
R 
-
V
Line 2
+ IN OUT
L
-
R 
Figure 6. RCA Inputs
in the “AUTO ON” position. If you would like to control the unit’s power-on / power-off status by a DC remote trigger, place the switch in the “TRIGGER” position, and connect the remote triggering cable from your triggering device to the jack labeled “IN” next to the switch. When using 12V Trigger or Auto On mode, the unit’s power button will be pushed in and the status LEDs will be illuminated orange in standby condition.
12V Trigger | Auto On |
+ |
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IN - OUT | Trigger Normal |
Figure 3. 12V Trigger | Figure 4. Power Mode |
Use a 3.5mm phone plug (in the “IN” connector) to make this connection: the tip of the connector is (+) positive, and the sleeve of the connector is
Note: The front panel power switch must be in the “ON” position for the 12V triggers or “Auto ON” features to operate.
There are 2 pairs of RCA inputs on the back panel of the AMPSUB210. These RCA inputs are labeled as “Line 1 IN” and “Line 2 IN”. They are also designated with an “R” or an “L” as Right channel or Left channel inputs respectively.
“Line 2 IN” should be used as the “primary” or normal input for various line level sources that may be available to the amplifier. “Line 1 IN” is a switching input that should be used when a second local source is connected, and will take over as the selected input whenever a signal with a minimum of 5mV of level is present. Whenever there is no signal at the “Line 1 IN” RCAs, or a signal with less than 5mV level, after
a 4 second delay, the input will revert back to the normal Line 2 input signal.
The built in delay of 4 seconds will automatically, in most instances, accommodate the nature of the source connected to the “Line 1 IN” RCAs. As an example, if the “Line 1 IN” source was a CD Changer, the delay should be enough to prevent switching back to the “Line 2 IN” source while the changer moves from one disc to another.
9SPEAKER LEVEL INPUT
The AMPSUB210 provides a pair of speaker level inputs for those applications where either of the sources has only speaker level output signal available. The switch routes the speaker level signal to either the Line 1 or
LFE Input
Left Input 
Left Output
Right Input 
Right Output 
High Level
Input
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| Figure 5. LFE Block Diagram | ||||||
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Selectable | To Speaker |
Soft Limiter |
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| Power Amplifier |
Line 2 input.
9200 North Decatur St. Portland, OR 97203 • 503.286.9300 • www.audiosource.net | 5 |
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