Altec Lansing 1593C User Manual
1593c power amplifier
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1593C
POWER AMPLIFIER
DESCRIPTION
The 1593C Power Amplifier is a solid-state unit
delivering 50 watts of power at less than 1% total
harmonic distortion (THD) from 50 Hz to 12 kHz.
The amplifier provides outputs for 4-ohm, 8-ohm
and 16-ohm loudspeakers, plus a 70-volt line out
put for distribution systems. In addition to the
high-impedance input, the amplifier has an octal
socket to accept a line-isolation transformer. A
selectable high pass filter is included for use in
speech systems. Cut-off frequency of the filter is
300 Hz.
The 1593C is capable of operation from a 120V or
240V ac source or a negative grounded 28V dc
source, and features silent, automatic transfer to
dc operation if ac power fails.
Designed for rack mounting, the 1593C occupies
three vertical units of rack space
{S'A”). A hinged
front panel allows servicing without removing the
amplifier from the rack.