Bose 2150 Handbuch für Installateure - Seite 5

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3.1 Using the Bose

amplifier

Once you have installed and wired the amplifier, follow these tips to get the most from it:

• Verify that all switches (STEREO/MONO, CLIPPING LIMITER, EQ BI-AMP/FULL RANGE

AND LEVEL DEFEAT) are set to the mode you want.

• Turn down the amplifier controls when you power up the system for the first time. Then

advance them slowly, one at a time, to verify that each channel is operating correctly.

• Set input level controls high enough to allow the preceding device to drive the amplifier

to full output. Usually, this is wide open (fully clockwise).

• Write down the settings, either on paper or self-stick dots, and attach to the front of the

amplifier.

• In bi-amplified (multi-amp) systems, start with the low frequency amps turned down or

off. Check each frequency range from highest to lowest to make sure each loudspeaker

component is operating correctly.

3.2 General precautions

Caution: Place the unit where it will be protected from heat and allow adequate

ventilation. Place it away from direct heat sources, such as heating vents and radiators.

Make sure the air can circulate freely behind, beside, and above the unit.

3.3 Mechanical considerations

The amplifier requires two 3.5" (8.9 mm) rack space units with a 16" (40.6 cm) inside depth

(including the rear supports). When mounting, use four screws with washers to prevent

marring the front panel. Neoprene rubber washers are a good choice because they grip the

screw head and prevent the screws from backing out from vibration or during transporta-

tion.

3.3.1 Rear support

Caution: If either unit is rack mounted and the rack is transported , you must me-

chanically support the rear of the amplifier. You can place a shelf across the rear of the

amplifier or use brackets in such a way as to support the rear of the unit.

Model 2150 commercial power

AM264080_00_V.pdf • June 21, 2002

3.0 Using The Amplifiers