Summary of the content on the page No. 1
CLA37
Column Loudspeaker
INSTRUCTION MANUAL
Summary of the content on the page No. 2
1. SAFETY INSTRUCTIONS The exclamation point within an 1. Read these instructions. equilateral triangle is intended to alert the user of the presence of 2. Keep these instructions. important operating and maintenance 3. Heed all warnings. (servicing) instructions in the literature accompanying the apparatus. 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
Summary of the content on the page No. 3
14. Rigging Precautions: When mounting or suspending EAW Commercial loudspeaker enclosures, it is essential that load ratings, rigging techniques, and special safety considerations be appropriate for the installation. Use only the mounting/rigging points on the loudspeaker enclosure intended for this purpose. The user must determine the load requirements, dynamic loading, and any other contributing factors affecting the loudspeaker installation. The user must determine the proper design fac
Summary of the content on the page No. 4
2. INTRODUCTION Congratulations on the purchase of your new EAW Commercial loudspeaker. You now own one of the finest professional audio products available – the result of exceptional engineering and meticulous craftsmanship. Please read these instructions to get the maximum performance from your new loudspeaker. Each EAW Commercial loudspeaker is intended for professional use. The construction, components, and hardware have been designed to provide robust, reliable performance for its inte
Summary of the content on the page No. 5
3. INSTALLATION Unpacking and Inspection Visually inspect the outside of the shipping carton and check for any damage. After unpacking, if you find concealed damage to the loudspeaker, save the packing materials for the carrier’s inspection, notify the carrier immediately, and file a shipping damage claim. Although EAW Commercial will help in any way possible, it is always the responsibility of the receiving party to file any shipping damage claim. The carrier will help prepare and file thi
Summary of the content on the page No. 6
Fly bracket and wall bracket mounting instructions Follow these instructions to mount the fly bracket to the enclosure, hang the assembly at various forward tilt angles, and attach the enclosure/fly bracket assembly to the wall bracket. Make your speaker-wire connections before proceeding. Warning: Installation should only be done SCREW 1/4 INCH-20 X 1.25 INCH LONG by an experienced technician. Improper HEX HEAD 2 PLACES installation may result in damage to the equipment, injury or death.
Summary of the content on the page No. 7
4. Mounting the Enclosure/Fly Bracket Assembly to the Wall Bracket: The fly bracket is used to secure the enclosure to the wall bracket. CONNECTING WALL BRACKET BRACKET The enclosure may be tilted LOCK NUT forward at various angles or 1/4 INCH-20 SCREW 1/4 INCH-20 3 PLACES X 4.25 INCH LONG mounted vertically. For a forward HEX HEAD 3 PLACES tilt, refer to the figure to the right and these instructions: Step 4a. a. Insert a 4.25 in screw with a flat washer, through the middle Step 4c. h
Summary of the content on the page No. 8
Bracket Dimensions 1.50" Wall bracket (38.1) 4x 11 mm dia 3.50" (89) 3.00" (76.2) 6.00" (152.4) 22.00" (558.8) 25.57" (649.6) 26.57" (675) Fly bracket 10.00" 3.43" (254) (87.16) 0.70" (17) 3.67" 9x 8 mm dia) 4.14" (93.2) (105.1) 1.00" (25.4) 25.08" (637) 2x 8 mm dia NOTES: Connecting bracket UNLESS WHERE SPECIFIED: 1. DIMENSIONS ARE IN INCHES, DIMENSIONS IN BRACKETS ARE MILLIMETERS. 2. DIMENSION TOLERANCE ± 0.03" (0.8 MM) 8.00" (203.2) 4. CONNECTIONS WARNING: To prevent the risk of elec
Summary of the content on the page No. 9
Loudspeaker Cables • Use loudspeaker cables with a minimum Minimum AWG 4 ohm 8 ohm conductor size for the length you need, as 18 10 ft 25 ft listed in these tables. This will minimize 16 25 50 power losses to less than 0.5 dB. The cable lengths listed are “up to” lengths. 14 25 75 For in-between lengths, use the next larger 12 50 125 conductor gauge. Using larger than the 10 100 200 recommended conductor size is always permissible. Using smaller than recommended Min Metric WG
Summary of the content on the page No. 10
5. OPERATION Signal Processing Sometimes external signal processing is desirable to “voice” the loudspeaker to accommodate particular program material, less than optimum acoustics, feedback control, or personal taste. For these purposes, use a suitable electronic signal processor. This can be as simple as a 1/3 octave graphic equalizer or a fully capable DSP (digital signal processor) such as the EAW Commercial DX810, or the EAW MX8750. Choosing a Power Amplifier There is no exact answer to
Summary of the content on the page No. 11
6. SPECIFICATIONS Model CLA37 Woofer 3” x 7 Woofer Loading Sealed Operating Range (-10 dB) 140 Hz - 17.5 kHz Horizontal Beamwidth - Nominal 120 degrees Vertical Beamwidth - Nominal 30 degrees Axial Sensitivity (whole space SPL) 96 dB, 140 Hz - 17.5 kHz Peak Sensitivity (whole space SPL) 102 dB, 20 Hz to 20 kHz Input Impedance - Nominal 8 ohm Input Impedance - Minimum 6.3 ohm @ 500 Hz Recommended High Pass Filter ≥ 125 Hz, 24 dB/octave Butterworth Power Handling 150 W, 35 V @ 8 ohm Maximum SPL,
Summary of the content on the page No. 12
PERFORMANCE GRAPHS CLA37 Impedance vs Frequency 100 10 1 10 100 1000 10k 20k Frequency (Hz) CLA37 Axial Response vs Frequency CLA37 Beamwidth vs Frequency 120 360 110 100 100 90 10 80 Horizontal 70 Vertical 60 1 100 1000 10k 20k 10 100 1000 10k 20k Frequency (Hz) Frequency (Hz) Disclaimer EAW Commercial continually engages in research related to product improvement, new materials, and production methods. Design refinements are introduced into existing products without notice as a routine expre
Summary of the content on the page No. 13
7. TROUBLESHOOTING Loudspeaker difficulties usually fall into one of the following categories. The causes for each are listed in the most likely order of probability. No Sound or Low Output • Loudspeaker cables or connectors are not wired correctly or are faulty. Check all cabling, referring to these instructions for the correct connections. The best way to check a suspect cable is to swap it with a known good cable. Check the loudspeaker’s input panel to verify correct cable connections. •
Summary of the content on the page No. 14
8. SERVICE and MAINTENANCE Maintenance Usually, your EAW Commercial loudspeaker will not require regular maintenance for normal use. However, you can do several things to keep your loudspeaker in good operating and cosmetic condition. • Testing: Periodically test your loudspeaker for proper performance. A simple test is to play a CD through it using well-defined, articulate, wide-range program material. Listen to ensure all drivers are working properly and for any evidence of distortion or
Summary of the content on the page No. 15
5. Tech Support will tell you where to ship the unit when you call for a Service Request Number. We suggest insurance for all forms of cartage. EAW Commercial Technical Support Phone (USA/Canada) 888-337-7404 Phone 425-892-6503 Fax 425-485-1152 Address One Main Street Whitinsville, MA 01588 Web site www.eawcommercial.com e-mail support@eawcommercial.com 9. WARRANTY
Summary of the content on the page No. 16
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 © 2004 LOUD Technologies Inc. All Rights Reserved. EAW Commercial is a registered trademark of LOUD Technologies Inc.
