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Cerwin-Vega! CVP-2153 & CVP-1152 Loudspeaker Systems
Cable Selection
The quality and characteristics of the speaker cables used also greatly effect speaker performance. Always use
high-quality cables made with professional-grade wire and connectors that are correctly and carefully fitted.
Selection of the appropriate wire gauge is especially important to system operation. A cable that is too light or
low-gauge will result in amplifier power being wasted due to the series resistance of the cable and in loss of
low-frequency performance due to degraded damping factor. The ideal gauge is determined by two factors: the
length of the cable and the load or impedance. For cable runs up to 50 feet (15m) with an 8-Ohm load, we
recommend using at least 14-gauge wire – 12-gauge is minimum for a 4-Ohm load. For runs between 50 and 100
feet (15-30m), use at least 12-gauge for 8-Ohm loads and 10-gauge for 4 Ohms. At 200 feet (60m), you should
use 10-gauge and 8-gauge, respectively, and so on.
Using Poles, Tripod Mounts, and Speaker Movement Due to Vibrations
The Cerwin-Vega! CVP speakers covered by this manual are designed for portable applications in which the
speakers will be stacked directly on the floor, stage, a solid stable platform, mounted on a tripod stand or
pole-mount. (Pole and tripod mounting only applies to the CVP-1152). The CVP Series also may be suspended
using industry standard, forged M10 eye bolts. Please refer to the suspension warnings and instructions further
in this document.
THESE SPEAKERS ARE HEAVY!
Please use common sense and adhere to the manufacturer’s hardware ratings when placing speakers on stands
or poles. Never exceed the rated safety limit of a pole or speaker stand. Never place a speaker on a pole or
tripod that is leaning at an angle as the speaker may tip over.
Cerwin-Vega! Professional speakers can generate considerable energy. When placed on a slippery surface such
as polished wood or linoleum, the speaker may move due to vibration caused by its acoustical energy output.
Precautions should be taken to assure that the speaker does not fall off a stage or platform on which it is placed.
The Cerwin-Vega! CVP-1152 speaker model includes a receptacle cup to allow mounting on tripod stands
or poles. When using stands or poles, be sure to observe the following precautions:
• Check the stand specification to be certain it is designed to support the weight of the speaker.
• Observe all safety precautions specified by the stand manufacturer.
• Always verify that the stand is placed on a flat, level, and stable surface and be sure to fully extend the
legs of tripod type stands. Position the stand so that the legs do not present a trip hazard.
• Route cables so that performers, production crew, and audience will not trip over them pulling the speaker
over.
• Do not attempt to place more than one speaker on a stand designed for a single speaker.
• Always be cautious in windy, outdoor conditions. It may be necessary to place additional weight
(i.e. sandbags) on the base of the stand to improve stability.
• Unless you are confident that you can handle the weight of the speaker, ask another person to help
you lift it onto the tripod stand or pole.
Moisture
Moisture can damage the speaker cone and surround and cause corrosion of electrical contacts. Avoid
exposing the speakers to direct moisture. Keep speakers out of extended or intense direct sunlight. The driver
suspension will prematurely dry out and finished surfaces may be degraded by long-term exposure to intense
ultra-violet (UV) light.