TABLE
OF
CONTENTS
Introduction
Front Panel
Rear Panel
Specifications
Warranty
pg. 2
pg. 2
pg. 2
pg. 3
pg. 4
DS1628
Dynasound’s DS1628 soundmasking amplifier delivers a full 160 Watts of power into 70.7 volt
distributed speaker/driver systems. The DS1628 is designed for reliable service in permanent
installations, and comes complete with short-circuit and thermal protection, including automatic
reset. Plug-in barrier strip input and screw terminal outputs provide trouble-free, dependable
connections.
DS1628
features include:
80 watts at each outputs (70.7 volt line only)
signal/peak & clip indicators on front panel
balanced/unbalanced inputs on rear panel
level controls on rear panel
high-pass filter selectors on rear panel
inputs and outputs on plug-in barrier
complete speaker, short-circuit, & thermal protection
convection cooled plus temperature controlled backup fan
covered by a Dynasound five-year systems warranty
IMPORTANT SAFETY INFORMATION
Read these instructions.
Keep these instructions.
Heed all warnings.
Follow all instructions.
Do not use this apparatus near water.
Clean only with a dry cloth.
Do not block any of the ventilation openings.
Install in accordance with the manufacturers
instructions.
WARNING - To reduce the risk of electric shock, do not
expose this apparatus to rain or moisture.
Unplug this apparatus during lightning storms or when
unused for long periods of time.
Apparatus shall not be exposed to dripping or splashing
and no objects filled with liquids, such as vases, shall be
placed on the apparatus.
Do not install near any heat sources such as radiators,
heat registers, stoves, or other apparatus that produce
heat.
Do not defeat the safety purpose of the polarized or
grounding-type plug. A polarized plug has two blades
with one wider than the other. A grounding type plug has
two blades and a third grounding prong. The wide blade
or the third prong is provided for your safety. When the
provided plug does not fit into your outlet, consult an
electrician for replacement of the obsolete outlet.
Protect the power cord from being walked on or pinched
particularly at plugs, convenience receptacles, and the
point where they exit from the apparatus. Disconnect
device shall remain readily operable.
Refer all servicing to qualified service personnel.
Servicing is required when the apparatus has been
damaged in any way, such as power-supply cord or plug
is damaged, liquid has been spilled or objects have fallen
into the apparatus, the apparatus has been exposed to
rain or moisture, does not operate normally, or has been
dropped.
Explanation of safety related markings and symbols which appear on the outside of the apparatus.
Lightning Bolt: Hazardous Live voltages present when this unit is in operation. Do not touch terminals
marked with this symbol while the unit is connected to live power.
Exclamation Point: Replace components
(i.e., fuses)
only with the values specified by the
manufacturer. Failure to do so will compromise safe operation of this unit.