Crest Audio WMA 4300, Руководство пользователя

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WMA™ 4300
Power Amplifier
The WMA 4300 is a high quality, commercial grade analog audio mixer/amplifier. Designed for flexibility in application, this mixer/
amp represents the latest state-of-the-art technology in analog and class-D circuit design. Powerful, yet easy to use, the new WMA
4300 delivers amazing sonic performance. Low-noise design using discrete-transistor, variable-gain preamps and features applicable
to “real-world” situations makes this unit ideal for audio applications where a wall mounted powered mixer with multiple input and
output capabilities are required.
This manual was written to provide as much information as possible for your new Crest Audio Professional Series Installation Power
Amplifier. It is our sincere desire that you enjoy your purchase. We feel that the best way to fully enjoy any purchase is to have an
in-depth understanding of the product’s features, functionality, and performance characteristics. We hope that this manual, along
with the manuals of our other products, will provide this. If you require additional information that this manual does not provide,
please let us know. We are continuously looking for better ways to provide information about our products, and your input is always
appreciated. If you require additional information not provided in this manual‚ please let us know or check out our website at:
Web site: http://peaveycommercialaudio.com/products.cfm/cr/:
Email: techserve@crestaudio.com
We are continuously looking for better ways to provide information about our products and your input is always appreciated.
ENGLISH
WMA
™
4300 Features:
• Efficient 300 Watt class-D power amplifier
• 4 electronically balanced mic/line Inputs
• Input 4 also has dual-RCA, summing connectors for
Auxiliary sources
• Discrete-transistor, variable-gain, channel preamps for
consistent front panel level control.
• Channel 1 Priority/Muting system with variable
threshold adjustment and mute indication
• External switch input for “Mute All” control with
indication
• Bass and treble equalization controls
• Electronically balanced line output with level control
and mix or channel 4 source selector
• Channel input signal level indicators
• Amplifier signal indicator
• ACL ™ (Automatic Clip Limiting) circuitry with
indicator
• 4 Ohm direct output
• 25 Volt, 70 Volt, and 100 Volt outputs
• Power ON indicator
• Line Voltage Selector switch for 100-120 VAC or
220-240 VAC 50/60 Hz operation
• Key lockable door to prevent tampering with system
controls
• All controls other than channel mix and master are
located behind front panel to protect system settings
• Back box and electronics available separately
• Top and Bottom knock-outs for 1/2” or 16mm conduit.
• Can be surface mounted or flush mounted using front
panel trim (included)
• Electronics can be retrofitted into previous generation
WMA 75 or 150 back box
Applications:
• Presentation rooms • Board rooms • Courtrooms • Auditoriums • Lecture halls • Meeting rooms • Convention centers
• Paging systems • Background music • Retail spaces • Restaurants