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TIA568 Wiring Standards

How to decide which wiring pattern to use:

1. Does the job specification call out a wiring pattern?
2. Does the customer/end user have a preference for T568A or T568B?
3. Have patch panels already been purchased for the job? If so, they will probably be either T568A or T568B. The jacks should be wired to the same pattern as the panels.
4. Are you adding on to an existing wiring plant? If so, your new wiring should match the existing wiring.

If none of the factors above apply, either T568A or T568B may be used. It is important to ensure that the workstation connectors and the patch panels are wired to the same pattern. T568B is commonly used in commercial installations, while T568A is prevalent in residential installations.

Click Here for a Full-Color Acrobat pdf file ( 697k ) - Right click to save it to disk.


For a more complete selection of products (no online ordering available at that site), visit the original Lashen Electronics website located at http://www.lashen.com.

Now In: Audio and VideoSpeakersCeiling Speakers → Atlas SD72WV 10oz 8" Cone Speaker/ 4 Watt Transformer (70.7/25V) w/ Volume Control White 62-8 Style Baffle

SD72WV 10oz Dual Cone Speaker/ 4 Watt Transformer


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SD72WV 10oz Dual Cone Speaker/ 4 Watt Transformer

Atlas SD72WV 10oz 8" Cone Speaker/ 4 Watt Transformer (70.7/25V) w/ Volume Control White 62-8 Style Baffle

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The speaker used in the SD72WV is the next generation of Atlas high performance cone loudspeakers, very similar to the preceding C-Series speakers. The similarity in the sonic qualities ensures that contractors and designers who have worked with the Atlas Sound C-Series in the past will know exactly what to expect when they use the SD72WV.

Model SD72WV is a 25 watt 8" (205mm) loudspeaker with a 10oz. (260g) ceramic magnet. It includes a curve linear, treated paper cone for lower harmonic distortion. The loudspeaker is also equipped with a full 1" diameter copper voice coil with a black anodized aluminum former for better power dissipation. Model SD72WV operates within a frequency response range of 45Hz-19kHz (nominal) with a sensitivity of 97dB and a dispersion angle of 105°. Package includes factory installed 25/70.7V line matching transformer with tap selections ranging from .25 to 5 watts.

The SD72WV includes a factory installed CRS baffle with concealed loudspeaker mounting studs and includes screw mount hardware. The SD72WV baffle features standard mounting holes to accommodate the majority of Atlas Sound 8" tile bridges, mounting rings and enclosures.

When specifying mounting hardware be advised that the dimensions of the SD72WV baffle match the Atlas Sound Model 62-8. The baffle finish is white powder coat epoxy. The baffle mounted volume control has a 5 watt audio rating and is factory wired to the voice coil. Units are shipped assembled, ready for installation.

Features:

  • 10oz speaker provides familiar response & performance
  • Quality 5 watt-dual voltage transformer
  • Attractive CRS white powder coat baffle with center mounted volume control
  • Incorporate or remove volume control knob to suit application requirements
  • Individually packaged for stocking & ordering convenience
     
Technical Specifications
Model SD72WV
Depth 2-7/8" (7.30 cm)
Diameter 8-1/8" (20.64 cm)
Shipping Weight 5.63 lbs (2.55 kg)
Frequency Response 100Hz-10kHz (±1.5dB)
Power Taps .25, .5, 1, 2, 5
Speaker Type Treated Paper
Dispersion 105° (2kHz Octave Band, -6dB Points)
Sensitivity 97dB Average
UL Listed/Standard 1480, 2043

Price: $29.78 


Quantity:  

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