Lectrosonics PA8 - 8-Channel Power Amplifier - Manual

PA8
8-Channel Power Amplifier
TECHNICAL DATA
Rio Rancho, NM, USA
www.lectrosonics.com
The PA8 8 Channel Power Amplifier is a unigue 1 RU
solution for distributed loudspeaker systems using
mix-mminus zoning. The amplifier is typically used with
Lectrosonics matrix and DSP processors for sound
reinforcement systems in boardrooms, courtrooms and
conferencing systems.
Eight separate power amplifiers, each with an output
power capability of 10W (4 Ohms) or 6W (8 Ohms) pro-
vide amplification for each loudspeaker or zone-grouped
loudspeakers in the system. The PA8 is passively cooled,
and features full short-circuit and thermal overload pro-
tection. The amplifier outputs are also muted at turn-on
and turn-off, to eliminate transients.
Feature Highlights
• 8 separate amplifier channels
• 10 Watts per channel into 4 Ohms in non-bridged mode,
20 Watts per channel bridged into 8 Ohms
• Passively cooled
• Full short circuit and thermal overload protection
• No turn-on “thump”
The front panel includes a power switch and individual
level controls for each channel. The rear panel includes
a standard 3-pin AC power socket for IEC 60320 C13
cords. Line level audio inputs and speaker level outputs
are made via depluggable “Phoenix” connectors.
Two adjacent channels of a PA8 may be bridged to
increase the power output. In the bridged mode, the
minimum speaker load is 8 Ohms, and maximum power
output is 20W at 8 Ohms. The Channel Level controls
are set to the same level in this mode.