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Panasonic PT-EW640
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Panasonic PTEW640E Projector

5000:1 WXGA (1280x800) 35dB 5,400 ANSI Lumens May 2014
Contrast Ratio Native Projector Resolution Noise Level Projector Brightness Release Date
Introducing the PT-EZ580 Series compact yet powerful projectors designed to light up lecture theaters and conference rooms with big, brilliantly detailed images in up to WUXGA resolution. Stellar... More
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8 Reasons For

Panasonic Has Excellent Reviews for Its Multimedia Projectors

Projectors made by Panasonic have an average rating of 90 out of 100, which is in the top 1% of all multimedia projector brands that we have assessed.

Has a Built-In Speaker

Like most of the other 5000:1 contrast ratio projectors that have been around for around the same time as the PT-EW640, the Panasonic PT-EW640 has a built-in speaker.

We compared all the other data projectors with a built-in speaker to this data projector and we think the Epson EB-4950WU[plb_1949830_price] which is cheaper is also worth considering.

We compared this multimedia projector to all the other projectors with a built-in speaker and we think the NEC PA572[plb_2406093_price], or the Panasonic PT-EX800[plb_2130355_price] is also worth considering.

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Quite Quiet Noise Level

The PT-EW640 has one of the quieter noise levels (only 35 decibels) amongst similar spec multimedia projectors of this age. Across all the multimedia projectors of a similar age and type to the PT-EW640 the noise levels range from 29dB to 48dB.

If you are not concerned about having a louder noise level then you might also want to look at the Epson EB-4950WU[plb_1949830_price] (38dB and cheaper).

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Three Component Video in Ports

Most of the other 5000:1 contrast ratio projectors that were released more than two years ago only have between one and two component video in ports, however the PT-EW640 has three component video in ports.

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Three VGA (D-Sub) Ports

The PT-EW640 has more VGA (D-Sub) ports than most of the 5000:1 contrast ratio projectors that have been around for more than two years. This projector is a three VGA (D-Sub) port projector compared to most of the multimedia projectors that were released around the same time as the PT-EW640 which only have between one and two VGA (D-Sub) ports.

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Fairly Big Uniformity

The uniformities of multimedia projectors of this age and spec range from 80% to 95%. With a uniformity of 90 percent, the Panasonic PT-EW640 has a fairly big uniformity compared to most of the other projectors of a comparable spec and age to the PT-EW640.

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100V AC Input Voltage

This projector has a 100 - 240V AC input voltage, which is typical of many projectors that were released more than two years ago.

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Very Quiet Noise Level in Economy Mode

5000:1 contrast ratio projectors that are a similar age to the PT-EW640 have noise levels in economy mode of between 28dB and 35dB, and the average noise level in economy mode is 31dB. With a noise level in economy mode of only 29 decibels, the Panasonic PT-EW640 has one of the quieter noise levels in economy mode amongst comparable spec projectors of this age.

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7 Reasons Against

Does Not Support Full HD Projection

The Panasonic PT-EW640 does not support Full HD projection, although it is worth keeping in mind that most of the other similar spec multimedia projectors that have been on the market for a comparable time to the PT-EW640 also do not support Full HD projection.

We think you might also be interested in other data projectors which also support Full HD projection including the Epson EB-4950WU[plb_1949830_price].

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Does Not Support 3D Image Projection

The PT-EW640 does not support 3D image projection, although keep in mind that most of the other multimedia projectors of a similar age and type to the PT-EW640 also do not support 3D image projection.

We compared all the other data projectors which also support 3D image projection to this projector and we think the Epson EB-4950WU[plb_1949830_price] is also worth considering.

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Does Not Support WiFi Connectivity

The PT-EW640 does not support WiFi connectivity, although keep in mind that most of the other multimedia projectors of a similar age and spec to the PT-EW640 also do not support WiFi connectivity.

There are a number of alternative data projectors which also support WiFi connectivity which you might also want to look at including the Epson EB-4950WU[plb_1949830_price].

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Only Fixed Zoom Ratio

This projector supports a Fixed zoom ratio, which is the most frequently supported zoom ratio on similar spec data projectors that have been around for a comparable time to it.

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Quite Low Maximum Horizontal Synchronization

At only 91 kilohertz, the Panasonic PT-EW640 has a quite low maximum horizontal synchronization compared to most of the other similar spec projectors that have been on the market for a comparable time to the PT-EW640. Across all the multimedia projectors of a similar type and age to the PT-EW640 the maximum horizontal synchronization range from 32kHz to 110kHz, and the average maximum horizontal synchronization is 90kHz.

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Only One Audio in Port

The PT-EW640 is a one audio in port data projector.

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Heavy

Multimedia projectors that have been available for around the same time as the PT-EW640 have weights of between 2.6kg and 27kg. At 10.6 kilograms, the Panasonic PT-EW640 is quite heavy compared to most of the other 5000:1 contrast ratio projectors that are a similar age to the PT-EW640.

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5 Other reasons to consider the Panasonic PT-EW640

Running Costs Are Average

Based on average energy prices and usage levels we estimate that the PT-EW640 will cost £161 over 1 year to run, which is typical compared to the other 53 multimedia projectors of a similar age and spec.

Released Over Two Years Ago

It was over two years ago when this 5000:1 contrast ratio data projector was released.

Average Projector Brightness

With a projector brightness of 5,400 ANSI lumens, the PT-EW640 has a fairly standard projector brightness compared to most of the other projectors of a similar type and age to the PT-EW640.

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1280 X 800 Graphics Resolution

The highest resolution supported by the PT-EW640 is 1280 x 800. That's over three times the resolution of a 640 x 480 (VGA) multimedia projector, which is the most common resolution supported by 5000:1 contrast ratio projectors that are a similar age to the PT-EW640.

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WXGA (1280x800) Native Projector Resolution

This data projector has a native projector resolution of WXGA (1280x800), which is the most commonly found native projector resolution on similar spec projectors that came out more than two years ago.

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Specification

Projector
Contrast Ratio
Native Projector Resolution
Projector Brightness
Horizontal Keystone Correction
Vertical Keystone Correction
Matrix Size
Uniformity
Maximum Horizontal Synchronization
Minimum Horizontal Synchronization
Zoom Ratio
Projection Distance
Supported Aspect Ratio
Compatible Screen Size
Native Aspect Ratio
Projection Technology
Lamps
Lamp
Service Life of Lamp in Economic Mode
Lamp Type
Lamp Power
Lamp Service Life
Lens System
Throw Ratio
Aperture Range
Focal Length Range
Video
3D Image Projection
Graphics Resolution
Full HD Projection
HD-Ready
Analog Signal Format System
Ports & Interfaces
RS-232 Port
BNC Input Port
DVI Port
Component Video in Port
Serial Interface Type
D-Sub PC in Port
DC-In Jack
DisplayPort
Audio in Port
Composite Video in Port
Ethernet LAN (RJ-45) Port
HDMI Port
VGA (D-Sub) Port
HDMI Port
AC Power in
AV Input
Networking
WiFi Connectivity
Ethernet LAN Data Transfer Rate
Ethernet LAN Connection
Storage
Integrated Card Reader
Performance
Noise Level
Noise Level in Economy Mode
Horizontal Scan Range
HDCP
Multimedia
Built-In Speaker
RMS Rated Power
Built-In Speaker
Design
Cable Lock Slot
Cable Lock Slot Type
Ceiling Mountable
Form Factor
Colour
Product Type
Display
Built-In Display
Power
Power Source
Power Consumption On Standby
Typical Power Consumption
Input Frequency
Input Voltage
AC Adapter Frequency
AC Adapter Input Voltage
AC Input Frequency
AC Input Voltage
Operational Conditions
Relative Humidity Operational Range
Operating Temperature Range
Weight & Dimensions
Weight
Height
Depth
Width
Packaging Content
Manual
Remote Control Type
Handheld Remote Control
Battery Included
AC Adapter Included
Cable Included

Expert Reviews

27 August 2014

Brochures and Manuals

Running Cost

Hours of Use Per Day: hours
Show running costs over: years
Electricity cost when switched on £158.64
Electricity cost when on standby £2.21
@ £0.139 per kwh - Edit electricity price and usage
kwh per hour
kwh per hour left on standby
Electricity price £per kilowatt hour
Annual electricity price inflation %
Water cost when switched on
@ £0.003474 per litre - Edit water usage and price
litres per hour
Water price £per litre
Annual water price inflation %
Submit Energy Consumption Figures
Total running cost over 5 years £160.85
Running costs for this projector have been estimated based on other similar projectors. If you know how much electricity and water the Panasonic PT-EW640uses then please let us know by entering those figures in the boxes above.
0.8T
Running this projector over 5 years will generate 0.8 tonnes of carbon dioxide (CO2).
21
To offset that much CO2 you would need to plant 21 tree seedlings and grow them for 10 years.

+- Manufacturer's Description

Product Identifiers

Manufacturer Part Numbers EW640EJ, acer ptew640, acer ptew640e, acer ptew640el, panasonic ew640, panasonic ew640l, panasonic ew640e, panasonic p194254, panasonic ew640le, panasonic ptew540, panasonic ew640ej, panasonic p194255, panasonic ptew640, panasonic ptew640e, panasonic p194255p, panasonic ptew640l, panasonic p194254p, panasonic ptew540e, panasonic ptew640le, panasonic ptew640ej, panasonic ptew540ej, panasonic ptew640el, panasonic ptew640lej
Barcodes 00885170196629, 05025232787883, 05025232787890, 05025232787944, 05025232787968

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See How Other Projectors Compare to the Panasonic PT-EW640

Optoma EH415 vs Panasonic PT-EW640

Optoma EH415 vs Panasonic PT-EW640
Optoma EH415 Panasonic PT-EW640
£ 879.62 £2,199.60
Hugely Lighter
£161.36 Cheaper to Run
30 Times the Contrast Ratio
244mm Narrower
A Lot Dimmer Projector Brightness
A Lot Shorter Lamp Service Life

Optoma S316 vs Panasonic PT-EW640

Optoma S316 vs Panasonic PT-EW640
Optoma S316 Panasonic PT-EW640
£ 322.89 £2,199.60
£93.01 Cheaper to Run
8.3kg Lighter
222.4mm Shallower
30 Times the Contrast Ratio
Lower RMS Rated Power
Lower Resolution

Acer P7505 vs Panasonic PT-EW640

Acer P7505 vs Panasonic PT-EW640
Acer P7505 Panasonic PT-EW640
£ 1,434.97 £2,199.60
Cheaper to Run by £106.87
Two More VGA (D-Sub) Ports
Two More HDMI Ports
Two Built-In Speakers
2,500h Shorter Lamp Service Life
Only One Component Video in Port
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