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3.1 Using the Bose
commercial power 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
Either 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
transportation.
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.
AM259107_00_V.pdf
Model 2060 or Model 2150
®
3.0 Using The Amplifiers
November 19, 2001
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