6
Front Panel Controls and indicators:
Input 1 Level control
Input 2 Level control
Power Switch
Power ON LED
Rear Panel Controls:
Mic/Line level gain switch for Input 1 Press for line input
Bass control
Treble control
Line voltage Selector switch: Set switch to correct mains voltage before connecting to the power line.
Dimensions:
3.5” H x 8.75” W x 13.5” D (89 mm H x 222 mm W x 343 mm D)
Weight:
7.8 lbs (3.54 kgs)
Architectural and Engineering Specifications
The mixer amplifier shall have one switchable microphone/line channel and one dedicated auxiliary channel. The mic/page input
will be electronically balanced and will have the capability to automatically mute the AUX input. The master section shall include
two EQ controls providing 10 dB of boost or cut at 100 Hz and 10 kHz. The unit shall be packaged in a rugged metal chassis
3.5” (89 mm) tall by 8.75” (222 mm) wide by 13.5” (343 mm) deep. Half-inch (13 mm) mounting flanges shall be provided on
each side. The unit shall operate from 100-120 volts AC, 50/60 Hz or 220-240 volts AC 50/60 Hz. The internal amplifier shall be
capable of delivering 50 watts RMS into 4 ohms as well as providing 70 volt and 100 volt line outputs. The unit shall be capable of
delivering rated power from 50 Hz to 20 kHz +0, -2 dB into 4 ohms at its 4 ohms output at less than 0.5% distortion with system
hum and noise at least 85 dB below rated power (Aux Input). The unit shall be a Crest Audio Professional Installation Series
power amplifier model UA 2050.
