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AMP200 / AMP300
OWNER’S MANUAL
9300 North Decatur St. Portland, OR 97203 • 503.286.9300 • www.audiosource.net 9300 North Decatur St. Portland, OR 97203 • 503.286.9300 • www.audiosource.net
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9300 North Decatur St. Portland, OR 97203 • 503.286.9300 • www.audiosource.net 9300 North Decatur St. Portland, OR 97203 • 503.286.9300 • www.audiosource.net
MODE SWITCH
To the right of the Master Level controls is a switch labeled “Mode” with
“Stereo” and “Bridged” as options. If you will be connecting one or two pair
of speakers to the amplifier, place the switch in the “Stereo” position.
NOTE: If you are using the AMP200/300 in stereo mode, with 2 sets of
speakers (A and B), make sure each speaker has an impedance of 8 ohms
or greater.
When used in “Bridged” mode, the amplifier is a single channel Mono
amplifier.
If you will be using a pair of channels to power a single mono speaker, place
the switch in the “Bridged” position, and be sure to read the section titled
“Speaker Terminals” below.
For the amplifier to operate properly in bridged mode you should have both
“Right and Left” inputs connected to the amplifier. The amplifier will sum
these signals and create your Mono source.
NOTE: Both of the “Master Level” adjustments should should be set to the
center, 12 o’clock position for normal amplifier operation in “Bridged” mode.
NOTE: The AMP200 supplies 250W in bridged mode, while the AMP300
supplies 470W in bridged mode. Please verify that your speakers are capable
of handling such power to avoid possible damage!
SPEAKER TERMINALS
Terminals are provided for “A” and “B” pairs of speakers for each channel. If
you will be using the amplifier as a stereo amplifier (i.e. not a bridged amplifier),
connect the speaker’s positive (red) terminal to the amplifier’s positive (red)
terminal, and the speaker’s negative (black) terminal to the amplifier’s negative
(black) terminal (immediately beside the positive terminal).
NOTE: Use the appropriate gauge speaker wire when connecting speakers
to the AMP200/300.
If using one pair of channels bridged, place the “Mode” switch in the “Bridged”
position and use both RED terminals to connect to the speaker.
NOTE: When in “Bridged” mode make sure to connect the speaker’s negative
(black) terminal to the amplifier’s positive (red) terminal of the right channel and
the speaker’s positive (red) terminal to the amplifier’s positive (red) terminal of
the left channel
NOTE: Only one pair of channels can be bridged together. Do not attempt to
bridge both A & B speaker terminals, as this may result in a lower impedance
than the amplifier is designed to accommodate and may damage your
amplifier. The minimum impedance for the total load connected to a pair of
channels in the bridged mode is 8 ohms.
MAINS POWER INLET/FUSE/
VOLTAGE SELECTOR
Power inlet accepts the IEC type linecord supplied with the amplifier. Fuse
in integrated holder provides safety protection from fault conditions: only
replace fuse with one of same type and rating.
This amplifier is configured for operation at the mains voltage of the market
in which it is sold.
The AMP200/300 can be configured for operation from either 115V ~60Hz
or 230V ~50Hz AC mains. Installed mains fuse must be of type and rating
marked on amplifier corresponding to configured AC mains voltage.
Should you wish to configure the AMP200/300 for use at the alternate AC
mains voltage, please contact AudioSource support at 1.800.435.7115.
Figure 7. Mode Select Switch
Figure 8. Speaker Terminals