Specifications
Bridged Connection:
The bridging mode is meant for a single speaker
and high power application such as Home Theater.
In the bridged mode the speakers should be 8 ohm
minimum.
Make sure the amplifier power is OFF before making
connections.
Connect the right and left outputs from the audio
source to the left input of the zone you are bridging.
Repeat this for each zone you want in bridged
mode.
The “ST/BR” switch should be in the bridged (BR)
position. Make sure the switch is in this mode only
on the zones you want bridged.
Connect the speaker cables coming from one
speaker to the “speaker input” connector on the
back of the amplifier. For bridging, one speaker will
connect to one connector. Make sure to follow the
labeling on the back of the amp where the speaker
input connector is for the bridged zone. The speaker
input connector is removable to make connection
easier. When connecting the cable to the connector,
check for any wire strands that might be sticking out
the connection terminal that might cause a short.
BUS 1 & 2 Connection:
The BUS inputs are used to input audio sources
such as a preamp, CD, tuner, and MP3 player over
multiple zones. For example, you could have a CD
player on BUS 1 that goes to zones 1, and 2 and a
MP3 player going to zones 3, and 4. The other two
zones could have independent input sources. When
designing a single-source, multiple zone system this
mode is perfect. Use a good quality RCA type patch
cord. Connect the right and left outputs from the
preamp to the right and left inputs connectors on
the back of the amplifier.
Repeat this for each channel and or zone. Then, on
the zones you want to access one of the BUS
sources, put the input switch into the appropriate
setting 1 or 2 position. Proceed to connect the
speaker cable to the amplifier as per the instruction
the “Stereo Connection” section of this manual.
General Maintenance and Service
The front panel is finished with a high-grade anodiz-
ing process to ensure that it maintains a flawless
appearance. Occasionally, you should wipe off any
dust build up with a damp, soft cloth.
DO NOT use any kind of cleaning solution or
cleanser on these units.
If for some reason the amplifier needs to be
repaired, please contact us immediately. We will
issue a Return Authorization Number (RA#) as well
as a UPS call tag for the return. This unit should not
be shipped back to TRUAUDIO without the RA#.
DO NOT attempt to open or dismantle this
amplifier.
THIS WILL VOID THE WARRANTY!
A75
Channels:
Power Output:
Bridged Power Output:
Total Harmonic Distortion:
Channel Separation:
Signal to Noise:
Frequency Range:
Trigger:
Damping Factor:
Input Impedance:
Voltage Input:
Safety:
12 channels, 6 zones
75 watts/ch @ 8Ω
80 watts/ch @ 4Ω
160 watts/ch @ 8Ω
<1% 1KHz/75W/8Ω
> -65dB/1KHz8Ω Zone-Zone
>-86dB (A wighted Ref:19V)
20Hz - 40kHz (+/- 3dB (8Ω load)
IN-3.30VAC/DC and
OUT-12V100mA
>55 (1KHz)
>20k Ω
AC 100-120V 60Hz / AC 220-240V
50Hz Auto Switching
CE, CB, NRT, FCC, CE-EMC, ERP
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