AC Power Considerations
For best performan¢-e, a dedicated AC power line rated at a minimum of fifteen
amps is recommended for each amplifier. For maximum power output, the Full
Power Balanced 300 and 600 amplifiers Should be operated from a dedicated
twenty amp AC power line. The Full Power Balanced amplifiers should only be
operated with the power cord supplied. Please consult KRELL.or your dealer
before using any devices designed to alter or stabilize the AC power for the Full
Power Balanced amplifiers.
Connections
CAUTION: The differential circuitry employed within the Full Power
Balanced aml~lifiers requires special attention when connecting speakers.
Be careful not to connect the negative speaker terminals together. Do not
connect the negative speaker terminals to ground, or attempt to bridge the
left and right channels together of the Full Power Balanced stereo
amplifiers.-Please contact KRELL: Industries for assistance.
Input and Output Connections
Caution: When making connections to this component or any other, make sure
the power amplifier is off and the preamplifier is in the mute or stand-by mode.
The widng to and from the amplifier and all components in general should be
arranged in a neat, organized manner. Specifically, AC wires should be
separated from audio cables. This practice prevents hum or other unwanted
noise from being introduced into the system.
1. Connect the speaker cables to the amplifier’s output terminals.
The Full Power Balanced amplifiers utilize two custom sets of identical speaker
terminals for the each channel. This configuration makes cable connections and
biwiring simple. The speaker terminals only accept spade lugs. Bare wire,
banana lugs, or pins will not work. The red terminals are used for positive
connections and the blue terminals are used for the negative connections.
Either the upper or lower set of speaker terminals may be used with speakers
having one pair of binding posts. For biwiring, both sets of terminals should be
used. Consult your speaker’s instruction manual for biwiring connections.
CAUTION: Make sure all cable terminations are of the highest quality, free from
frayed ends, shorts, or poor solder connections.
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