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Wiring Diagrams (continued)
Series Connection
A series connection exists when two or more speakers are connected together by
one wire. Typically, the negative connection of one speaker is connected to the
positive connection of the next speaker as shown in the illustration below. This
type of connection is reserved for certain 8 Ohm systems ONLY, and NOT FOR 70
VOLT OPERATION. Series connections should only be done with identical speakers
to avoid inconsistencies in sound quality.
3
Voltage Selector
As previously mentioned, the HS-615 can be used in a 70
Volt system or in an 8 Ohm system. The voltage
selector switch allows you to properly set the
speaker to 8 Ohm or 70 Volt operation.
The wattage selector switch allows
the choice of 2, 4, 8 or 16 watt taps
for 70 Volt operation. For 70 Volt
operation, be sure to correctly
set the wattage selector
switch so that the number
of speakers multiplied by
the wattage setting does
not exceed the power
output of the amplifier.
In this example, each speaker has a impedance of 8 Ohms. In a series connection as
shown here, the total impedance equals 8+8 or 16 Ohms. The total impedance of a
series connection is the sum of each speaker’s impedance.