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Owners Manual
USB-80 Mixer Amplifier
Low Impedance Speakers (cont)
In certain cases, it may be necessary to use a
combination of series and parallel wiring to achieve
the desired impedance.
The adjacent illustration demonstrates a common
method of connecting four 8Ω speakers, and
maintaining a combined 8Ω load.
In this case, speakers are separated into pairs,
connected in series. Each series pair yields 16Ω.
Since both sets are then connected in parallel, the net
impedance is 8Ω.
In this second example of a
combination of series and parallel
wiring, eight 8Ω speakers are
combined to create a combined 4Ω
load.
In this case, speakers are separated
into pairs, connected in series. Each
of the four series pair yields 16Ω.
Since the four pairs are then
connected in parallel, the net
impedance is 4Ω.
6
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