User manual PROEL AMP 120Z4

[. . . ] Follow all instructions: All operating and user's instructions must be followed. Sentences preceded by symbol contain important safety instruction. Please read it carefully. DETAILED SAFETY INSTRUCTIONS. Water and moisture: This apparatus should not be used near water (i. e. bathtub, kitchen sink, swimming pools, etc. ) Ventilation: This apparatus should be placed in a position that doesn't interfere with correct ventilation. [. . . ] · Don't block the unit ventilation openings. · Avoid using this unit in overload for a long period. · Don't force commands (switches, controls, etc. ) · · · · To obtain good speakers wire contacts, please tighten the screw terminals firmly. For safety reason, don't defeat the grounding connection. Use only connectors and accessories suggested by the manufacturer. This unit should be placed in a rack (see INSTALLATION) and kept far from: Wet places Direct exposure to heat sources (like sun light) Non properly ventilated places Disconnect the power cord during storms or when the unit is not used. In order to prevent fire and electric shock risks, it's necessary to keep the unit far from sprinkling and drops. Please don't put cups, vases or other object containing liquids over the unit. In case of interferences from source signal, THD value will raise over 10%. Don't place this unit in a bookshelf o in other places with small room. is not responsible for any damage that occurs due to a wrong unit installation. · · · Thank you for choosing one of Proel products, and for your confidence towards our brand, synonymous of professionalism, accuracy, high quality and reliability. All our products are CE approved and designed for continuous use in professional installation systems. 2. Description These units have been specifically designed for paging, music, and sound reinforcement applications in P. A. FEATURES · Impedance constant outputs (4, 8, 16 ) and constant voltage outputs (25, 70, 100 V). · Four combo (XLR ­ ¼" jack) inputs · PRE-OUT output · MAIN-IN input · RCA input · LED level meter · Five zone selection switches · Monitor output · Vocal activating priority input · Contact activating priority input · Signal peak LED · Signal present LED · · · · · Protection circuit LED Telephone-line signal input Bass and Treble EQ controls Output volume control Five independent level controls for input signals 3. This LED is lit when the power switch is on. 5) PEAK - Signal peak LED 6) SIGNAL - Signal present LED 7) PROT - Protection circuit status LED 8) ZONE SELECT - Active zone LED indicator 9) TREBLE - High frequencies control 10) BASS - Low frequencies control 11) Input signal level controls 12) MASTER ­ Master level control 13) CHIME ­ Chime activating switch 4. REAR PANEL DESCRIPTION 1) 2) 3) 4) 5) 6) 7) 8) 9) 10) 11) 12) 13) 14) 15) 16) 17) fig. Zone 1, 2, 3 and 4 (100V outputs ) output terminals. Speakers outputs for constant impedance/constant voltage connection. Vite GND Selettore della tensione d'alimentazione 5. Input connections yellow green red · INPUT1, INPUT2, INPUT3, and INPUT4 are balanced/unbalanced, useful for low impedance (30-600) dynamic microphones, or 24V phantom condenser microphones, or audio sources with line level output (i. e. [. . . ] - Speakers should have a transformer of the same voltage developed by the amplifier. - The speakers power sum should not exceed the amplifier maximum output power. · MONITOR output connection This output allows you to connect a speaker (monitor), driven from the unit internal 1W amplifier, reproducing AUX IN signals. - Connection is obtained using rear panel terminals (fig. - Output signal is set by AUX IN volume control, or by rear panel Monitor vol. [. . . ]