Filename:AMP04TRP MANUAL
12/12/06
Page 4 of 10
Description:
The optional amplifier is housed in an all-metal cap with electronics inside. It acts as a
convenient heat sink for the internal amplifier. While an AC 12 volt power supply is provided, it
is capable of being powered by a DC or AC power supply with a voltage not to exceed 14 volts.
A power supply of up to 5 Amps is suitable. The amplifier accepts a balanced audio input for
maximum noise rejection.
It has a high quality powder coat providing maximum durability. The power kit comes
with mounting screws.
Amplifier Specifications:
Power 25 watts
Frequency response 20 Hz to 30kHz +0-2dB
Noise Floor Better than 90 dB
Distortion Better than .1 % at 10 watts
Input Line input -10 to +4dB
Input configuration Differential, Balanced and DC isolated
Volume control Step for mechanical level memory
Protection Short circuit, heat and over current
Power supply 12 volts UL Listed
Maximum power supply wire length 400 ft with 16 gauge wire.
Multiple amplifiers Yes, Line input in parallel
Each amplifier may power Four non-amplified speakers total
Input/Output Each amplifier has a line level input and output
Connector type Phoenix Connector
Conduit Entry Two ½” in conduit access holes with knock outs
Typical Line level sources CD player, Audio mixer, Background music service,
Telephone PBX dry audio pair hooked to the balanced +,-
input. There is no shield on a telephone input.
Hook up for additional horns Wired through the conduit entry, use the 4 way binding
posts for additional high level speakers hooked up to the
amplifier.
For four horns Wire them series parallel to achieve a 4 ohm load
impedance.
Color White
Warranty 1 Year
