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All input, output and power connections should be made with the mains power switched OFF.
INPUT CONNECTIONS
As the M250 is a mono power amplifier, two are required for stereo operation, and further units can be used for
The M250 can be used with a preamplifier or any audio line level source which has a volume control.
Connect your
For the best results we recommend either Musical Fidelity
BI-AMPLIFICATION
The M250 has a LOOP OUTPUT socket to allow
In this arrangement, typically one M250 is used to drive the “tweeter” (high frequen- cies), and one to drive the “woofer” (low frequencies) of each loudspeaker enclo- sure. Thus, four M250s would be needed for a stereo pair.
CONNECTIONS
Taking the left channel connections, the
Repeat this process for the right channel.
If you are in any doubt about
TRIGGER CONNECTIONS
Two 3.5mm jack sockets on the rear panel marked TRIGGER IN and TRIGGER OUT are provided for electronically switching the “audio sense” mode - see page 6. These are directly linked together inside the amplifier, to enable onward con- nection to a further unit, such as another M250.
OUTPUT CONNECTIONS
Connect your loudspeaker to the terminals marked SPEAKER OUTPUTS.
Two sets are provided for parallel opera- tion or
BEFORE SWITCHING ON. . . . .
Plug the accessory IEC mains lead into the rear panel socket, then the other end into a wall outlet.
Turn the volume control on your preampli- fier to minimum, and switch on its power.
Issue 4: May 2002
M250 Amplifier | Instructions for Use Page 5 of 8 |
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