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12
Connections
Follow these steps to connect speakers using a transformer.
Connect a wire from
70V RMS
on the back of
the amplifier to the transformer’s desired pri-
mary tap (10, 5, 2.5, 1.25 or 0.62 watts).
Note:
Usually, each speaker in a system
uses the same wattage tap. If you want a
particular speaker to have a higher volume
level, connect the wire from
70V RMS
to a
higher wattage tap on the transformer.
Connect a wire from
COM
on the back of the
amplifier to the
C
(common) taps on the
transformer’s primary side.
Connect a wire from the speaker’s positive
(+) terminal to the transformer’s secondary
tap that matches the speaker’s total imped-
ance (4 ohms, 8 ohms, or 16 ohms).
Connect a wire from the speaker’s negative
(–) terminal to the
C
(common) tap on the
transformer’s secondary side.
CONNECTING POWER
To connect the amplifier to power, plug its
power cord into a standard AC outlet.
Your amplifier’s fuse (located on the amplifi-
er’s back panel) protects the amplifier from
voltage surges. If the PROTECTION indica-
tor does not light when you press
POWER
(see “Using Your Amplifier” and “Safety Indi-
cators” on Page 13), check the fuse. If it is
blown, see “Replacing the Fuse” on Page 17.
USING YOUR AMPLIFIER
Press in
POWER
to turn on the amplifier.
Start the input sound source.
Rotate
MASTER VOLUME
to its mid-position.
One at a time, adjust
MIC 1
,
MIC 2
,
MIC 3
,
MIC
4/PHONO
, and
CD/AUX
to the desired volume
and balance.
Note:
If you hear feedback after you adjust
these controls, turn
FEEDBACK FILTER
clock-
wise until the noise disappears (see “Using
the Feedback Filter” on Page 14).
After you get the desired balance, adjust
MASTER VOLUME
to the desired volume lev-
el.
32-2003.fm Page 12 Tuesday, March 28, 2000 10:45 AM