Bose Panaray LT3202 III Mid/High Reference Manual - Page 12

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Bose Panaray LT3202 III Mid/High Reference Manual

Acoustical Specifications and Wiring

Recommended Wire Gauges

The loudspeakers should be connected to the ampliﬁer outputs with heavy-gauge wire. To minimize power loss, larger

diameter wire should be used for longer lengths. The following chart can be used as a guide.

Length of Wire

25 feet

40 feet

60 feet

100 feet

150 feet

Note: All wiring shall conform to applicable local and/or national electrical codes.

Verify that the polarity of the ampliﬁer outputs are connected properly to the loudspeaker.

Internal Conﬁgurations

All Panaray

loudspeakers ship with a selectable internal crossover.

Each speaker ships in the passive position, but you can change the conﬁguration from passive to bi-amped or bi-amped

dual mid-range (LT 3202

• In passive mode — the internal passive crossover network is utilized, and a single ampliﬁed signal is connected to the

loudspeaker. This requires only one set of input connections and one ampliﬁer channel.

• In bi-ampliﬁed mode — the mid-frequency and high-frequency drivers are accessed through separate pins on the NL8

connector. Two sets of connections and two ampliﬁer channels are required. Bi-ampliﬁed mode allows additional control

of the balance between the mid-frequency and high-frequency levels.

• In bi-ampliﬁed dual mid-range mode — the mid-frequency and high-frequency drivers are accessed through separate

pins on the NL8 connectors. Three sets of connections and three ampliﬁer channels are required. Bi-ampliﬁed dual mid-

range allows independent control of two sets of V2 mid-frequency drivers as well as control of the high-frequency driver.

Note: There are no passive components in line when bi-amp or bi-amp dual mid-range configurations are selected.

All Panaray LT loudspeakers require active equalization. Do not operate the loudspeakers without the proper active

equalization for the particular loudspeaker and operating conﬁguration. Failure to do so may result in permanent damage

to the loudspeaker.

See the Active Equalization section for more details.

Wire Gauge

-III only).