EAW CXA160 / CXA80 инструкция обслуживания

CX A 160 / CX A 8 0 Integrated Amplifiers INSTRUCTION MANUAL[...]

2 – CXA160 / CXA80 1. SAFETY INSTRUCTIONS 1. Read these instructions. 2. Keep these instructions. 3. Heed all warnings. 4. Follow all instructions. 5. Do not use this apparatus near water . 6. Clean only with a dry cloth. 7. Do not block any ventilation openings. Install in accordance with the manufacturer’ s instructions. 8. Do not install nea[...]

CXA160 / CXA80 – 3 2. INTRODUCTION The CXA160 and CXA80 amplifiers are designed for continuous duty in speech, music, paging and sound reinforcement applications in churches, schools, offices, arenas, hotel meeting rooms, convention centers, recreation facilities and other venues demanding high performance, flexible features and rugged dependa[...]

4 – CXA160 / CXA80 3. FRONT P ANEL FEA TURES 1. EQ-LOW T urn this clockwise to boost the level of the low-frequency range below 100 Hz. T urn it counter -clockwise to cut the level. In the detented center position, there is no change in level. The maximum boost and cut is 12 dB. 2. EQ-HIGH T urn this clockwise to boost the level of the high-frequ[...]

CXA160 / CXA80 – 5 4. REAR P ANEL FEA TURES INPUT CONNECTORS The Input section has four different styles of input connections for line-level audio signals. Choose one which suits your system the best: 6. Combination XLR/TRS connector . This can accept a male balanced XLR connector , a balanced TRS or unbalanced TS 1/4" connector . 7. Phoenix[...]

6 – CXA160 / CXA80 PRIORITY CONNECTORS When a signal above –20 dB is detected at the priority input, the main input is muted. This is useful for making announcements, as the music program is then automatically muted. This muting can also be accomplished manually by connecting a user -supplied, normally open, dry contact closure switch to the pr[...]

CXA160 / CXA80 – 7 P ARALLEL OUTPUT CONNECTORS These outputs allow you to send a copy of the input signals to another amplifier or component in your system. The output is not affected by the volume or EQ controls. There will only be an output here if the Input DIP switch Pin 1 is set in the UP position (see page 5 for details). The output has fo[...]

8 – CXA160 / CXA80 24. Output Connectors This is a five-position barrier strip for connection of speaker loads. Each terminal accepts bare wire from 22 AWG to 10 AWG, or spade lugs sized for the same range of conductors. T erminals are provided for 4 ohm low-impedance loads or 25, 70 and 100 V olt high-impedance loads. All outputs with the excep[...]

CXA160 / CXA80 – 9 GND and 100V are used to connect 100V speakers Use Class II wiring: 25. AC Power The CXA160 and CXA80 are fitted with a detachable IEC socket for AC input. Each unit is fitted with a universal power supply , allowing it to operate from any AC mains supply from 100 to 240 V AC, 50-60 Hz. A 6-foot U-Ground to IEC power cable is[...]

10 – CXA160 / CXA80 5. THERMAL CONSIDERA TIONS The power amplifier within the unit is convection cooled rather than fan cooled. Heat is drawn away from the amplifier by the heatsink and radiated through the cooling vents in the top and bottom cover . When installing, be sure to allow sufficient air space around the top and rear of the amplifi[...]

CXA160 / CXA80 – 11 7. TYPICAL HOOKUP DIAGRAM A M/ FM T un er o r C D P la ye r P ag i n g Mi c ro ph o n e L in e- l e v e l o ut p u t t o t he i n p u t of a no th e r C XA 16 0 ( f o r ex a m pl e) 7 0V L ou d s p ea ke r s A C Li ne B ac ku p B at te ry 2 4 V D C P a gi n g P ri o ri ty S w it ch[...]

12 – CXA160 / CXA80 8. SPECIFICA TIONS Audio Input and Proximity input Input T ype Balanced Differential, Unbalanced Input Impedance 30 k Ω (Bal, Line-In) 2.7 k Ω (Bal, Mic-In) Input Gain T rim Range: –3 dB to 40 dB (Mic Input) –23 dB to 20 dB (Line Input) Maximum Input Level: +19 dBV Nominal Input Level: 0 dBV Dynamic Range 105 dB Phantom [...]

CXA160 / CXA80 – 13 BLOCK DIAGRAM DIP 1 DIP 2 DIP 3 DIP 4 DIP 5 XLR/TRS Combo Screw T erminal External Priority Switch (option) Phoenix Connector Mic/ Line Mic/ Line 24V Phantom High Pass Pad Enable (-10 dB) DIP 1 DIP 2 DIP 3 Parallel Enable XLR/TRS Combo INPUT PRIORITY Screw T erminal Phoenix Connector High Pass Pad Enable (-10 dB) Trim Trim HIG[...]

14 – CXA160 / CXA80 9. SERVICE INFORMA TION In the event that your CXA160 or CXA80 should require servicing, please follow these instructions: 1. Call EAW Commercial T ech Support at 1-888-337-7404, 7 am to 5 pm PST (Monday-Friday), to verify the problem and obtain a Return Authorization (RA) Number . Be sure to have the serial number of the unit[...]

CXA160 / CXA80 – 15 10. EA W COMMERCIAL W ARRANTY Warranty : LOUD T echnologies Inc. requires its authorized EAW Commercial distributors to abide by the following warranty terms for all EAW Commercial brand products (all dates are from the date of delivery from an Authorized EAW Commercial Distributor to the end user/installation site): Loudspeak[...]

EA W Commercial A LOUD T echnologies Inc. Company EAW Commercial | One Main Street | Whitinsville, MA 01588 USA | TEL toll free within US/Canada 888.337.7404 TEL outside US 425.892.6503 | FAX 425.485.1152 | www .eawcommercial.com © 2007 LOUD T echnologies Inc. All Rights Reserved.[...]