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Summary of Contents for Crest Audio UA 2050
- Page 1 UA™2050 Utility Installation Power Amplifer Owner’s Manual...
- Page 2 Installation Power Amplifier The UA 2050 is a high quality utility amplifier ideally suited for varying installation requirements. It produces 50 watts into the 4 Ohm direct output, the 70V output or the 100V output. Level controls are provided for mic/line and AUX. The AUX input is accessible via screw terminals or RCA jacks.
- Page 3 (6) Line Voltage Selector Switch The line voltage select should be checked and set to match the mains voltage before connecting and operating this unit. The UA 2050 can be operated at 100V-120 VAC or 220-240 VAC 50/60 Hz. (7) HIGH EQ Control (TREBLE) Active equalization control that adjusts the high frequency response.
- Page 4 (8) LOW EQ Control (BASS) Active equalization control that adjusts the low frequency response. Clockwise rotation boosts lows while counterclockwise rotation provides a cut (reduction) of the low frequencies (±10dB). (9) RCA AUX IN Accepts signals from other sources, such as another mixer or background music source. Signal level at this input is controlled by the AUX level control and is fed to the Master output.
- Page 5 Specifications Technical support Web site: http://peaveycommercialaudio.com/products.cfm/cr/: Email: techserve@crestaudio.com Rated Output Power: 50 Watts RMS Frequency Response: 55 Hz - 20 kHz +1 -3 dB THD: Power Amplifier: 0.45% (1 kHz 1/8 power) Signal /Noise: 86 dB, all controls nominal (22 kHz BW) Tone Controls: Bass +/- 10 dB 100 Hz...
- Page 6 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...
- Page 7 Appendix DEFEATING THE PRIORITY MUTE IN THE UA2050 The UA2050 has a priority mute feature that automatically turns off Input 2 if there is a signal on Input 1. This is provided so that paging or emergency announcements can override background music (or other source) connected to Input 2. If this feature is not desired, it can be defeated by cutting an internal jumper on the main PCB.
- Page 8 Warranty registration and information for U.S. customers available online at www.peaveycommercialaudio.com/warranty or use the QR tag below Features and speci cations subject to change without notice. Crest Audio 5022 HWY 493 N. Meridian, MS 39305 (601) 483-5365 FAX (601) 486-1278 Logo referenced in Directive 2002/96/EC Annex IV (OJ(L)37/38,13.02.03 and defined in EN 50419: 2005...
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