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Review Contents
Performance
4
Features
Ease of Use
Value
Intended Use:
Education
Sanyo PLC-WK2500 Projector Sanyo PLC-WK2500
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Street Price: n/a
Contrast:3,000:1
Lumens:2500
Weight: 6.4 lbs
Resolution:1280x800
Aspect Ratio:16:10
Technology:3 LCD
Lens:1.2x manual
Lens Shift:No
Lamp Life:6,000 (eco)
Lamp Cost:n/a
Warranty:3 year
Connectors:  Composite, VGA In, Network, RS232
Video Formats:  480i, 480p, 720p, 1080i, 1035i, 575i, 575p

Sanyo PLC-WK2500
Conference/Classroom Projector

Jeff Janas, February 23, 2011

Network Command/Control: The PLC-WK2500 features a RJ-45 network jack that allows for I.P. based remote control, monitoring lamp and filter hours and automated email alerts. Once the initial setup is completed using special Sanyo software and alert conditions are configured, the projector can be controlled from any web browser. Alert conditions can be configured to have the projector send out an email for excessive temperature or once a specified number of lamp or filter hours have been reached.

Presentation Timer: The remote control includes a dedicated button for a presentation timer. When the button is pressed a count-up timer appears on the lower, right corner of the screen and begins to advance. Subsequent key presses will stop and remove the timer. The built in timer is a nice feature that can help to keep presentations running on time.

Limitations

Throw Angle: The upward throw angle is relatively modest, with the bottom edge of the projected image dropping 7% of image height below the center of the lens. For table top mounting, you may need to tilt the projector upward and correct the image with keystone adjustments in order to get the picture high enough on the wall.

Input Panel: As with many inexpensive business projectors, there is no digital input. This is likely not a significant issue for conference or classroom use as most rely on VGA cables between the projector and computer. It has a Composite video input, and it will take component or S-Video over the VGA port with the right adaptor or cable. Audio inputs are either stereo RCA or a 3.5 mm inputs. The projector also contains a 3.5 mm audio output.

Video Noise: Some image noise was present in test patterns after using the projector's Auto Setup function. It was also visible in presentation slides, but only on very bright areas. You can nearly eliminate noise with an adjustment to the gain and phase settings. This is a minor annoyance and I doubt that most users would find it objectionable. Audio Quality: While the PLC-WK2500 features a 10 watt speaker, you might prefer an external audio amplifier. Even at maximum levels, the audio output from the projector is quiet and difficult to hear with any amount of background noise. Aside from the low output level, audio quality is acceptable. Dialogue is clearly reproduced without any noticeable distortion.

Maximum Keystone Setting: Sanyo specifies the projector as capable of using keystone to square up the image up to a 30% incline. I found the keystone adjustment performed well up to the upper edge of this range. Text quality started to suffer at maximum keystone levels, with distortion the most noticeable at the top third of the projected image. Even at maximum levels, artifacts were noticeable, but normal 10-12 sized font was still readable. A 30% incline is substantial and would only be used in extreme situations. When the incline was kept in the 15-20% range, the keystone correction was not apparent and text was clear and readable.

Conclusion:

The Sanyo PLC-WK2500 delivers a great picture with a quick setup, long lamp life and a low maintenance requirement. The combination of over 2,300 lumens and the auto iris give it the flexibility to project high quality data and video images in ambient light. As long as you don't need a digital input or a robust on-board speaker, the Sanyo PLC-WK2500 is a low-price projector that will be a great fit for the classroom or conference room.


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