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McIntosh MR-55 Instruction Manual page 9

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An outside AM antenna is a wire as long as practical, mounted as high as possible above the ground, at
right angles to power lines. The lead in should be carefully positioned away from all A. C. lines,
The "ANTENNA" terminating switch must be in "ANT" position when using
antenna.
A good ground can be of assistance in AM reception. A good ground is described as a 1/2 inch rod 6 to 8
feet long driven into the earth. The ground wire is connected to the terminal marked "LO."
ANTENNA WIRE
INSULATOR
If the tuner is connected to an outside ground as described above do not connect any of the other equip-
ment to the same ground to prevent ground loops. Ground loops can cause an increase in hum.
For an alternate ground for use when using a long wire antenna connect the shorting link between termi-
nals marked "LO" and "GND."
TO LONG W I R E AS HIGH
ABOVE GROUND AS POSSIBLE
ANT. SWITCH IN
THIS POSITION
-9—
TO GROUND SUCH AS
8' ROD IN EARTH.
A M
outside or long wire

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