Mark Levinson 431 Owner's Manual download pdf (Page 20)

2-4

Basic Operation Mark Levinson

Rear Panel (continued)

2. fan outlet

Provides an outlet for active, fan-driven cooling. A 1/4-inch

(6.4mm) inlet between the front panel and the chassis provides

air intake for the forced-air cooling system. See “Ventilation”

for additional information.

3. loudspeaker binding posts (main outputs)

Provide audio output. Two custom-made, gold-plated, high-

current binding posts labeled + (positive) and – (negative) are

available. In general, positive binding posts are red and

negative binding posts are black.

Caution! NEVER connect power amplifier outputs to any component

other than a loudspeaker.

NEVER short-circuit power amplifier outputs.

NEVER connect power amplifier outputs to another power

amplifier’s outputs.

For best performance, use high-quality loudspeaker cables. To

connect these cables, use a high-quality spade or hook lug

soldered to the cable or crimped to the cable with extremely

high pressure.

• Connect the + (positive) binding post on the Nº436/434

to positive input on the associated loudspeaker.

• Connect the – (negative) binding post on the Nº436/434

to negative input on the associated loudspeaker.

Spade Lug

Hook Lug

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Mark Levinson 431 Owner's Manual Page 20