Figure 6: Bridging Inputs
Night Ringer Connection Either a standard telephone (analog) ring signal (90 - 105 V AC, 20 - 30 Hz) or an
external contact closure activates the night ringer function of the amplifier. To
activate the night ringer using standard telephone (analog) ring, connect the analog
station's tip lead to the TEL RING "T" terminal and connect the ring lead to the "R"
terminal. If using an external contact closure, connect the closure pair across the
CONTACT RING terminals (not polarized).The night ringer follows the cadence of
the activating signal.
Bridging Inputs Bridging increases the total output power of the system. For example, when two
250-watt amplifiers are bridged,the total output capacity is 500 watts.Bridging is also
a means by which to increase the number of amplifier inputs to an amplifier by using
the input stage of a second amplifier (see Figure 6).The inputs of two or more
amplifiers can be combined by using the bridging connections provided on these
amplifiers.An RCA-to-RCA cable (not included) is used to connect the bridging jacks
of different amplifiers together. Once bridged, each amplifier will amplify the inputs
present on both amplifiers.The level control of a particular input on an amplifier will
control the volume of this signal on both amplifiers. The cable used to bridge
amplifiers should not exceed 20 feet in length.
NO
TE: You can only bridge up to 3 amplifiers at one time.250-watt amplifiers can
only be bridged with other 250-watt amplifiers.
Input Cover Replacement When all connections are made, remove an appropriate knockout on the input
cover. Replace the cover and tighten the screws while dressing the wires through
the knockout hole.
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