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Vivitek D791ST
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Vivitek D791ST Projector

2500:1 XGA (1024x768) 27dB 3,000 ANSI Lumens Feb 2013
Contrast Ratio (typical) Projector Native Resolution Noise Level Projector Brightness Release Date
The Vivitek D791ST is the ultimate education projector with the world record shortest throw-ratio of 0.24:1 (for a 4:3 aspect ratio projector), enabling perfect presentation for the presenter... More
£100.31 Electricity cost over 5 years. Calculate
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£799.00
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£880.00
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5 Reasons For

Vivitek Has Good Reviews for Its Projectors

Vivitek is one of the better rated multimedia projector brands according to average expert and user review score data that we have collected for all projectors.

Has a Built-In Speaker(s)

Like most of the other 2500:1 contrast ratio projectors that have been around for around the same time as the D791ST, the Vivitek D791ST has a built-in speaker(s).

We think you might also be interested in some of the alternative data projectors with a built-in speaker(s) currently available including the Sony VPLDX120[plb_2147133_price] which is cheaper; or the Vivitek D795WT[plb_1839548_price] which has better reviews.

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Fairly Long Service Life of Lamp

Data projectors of a comparable type and age to the D791ST have service life of lamps of between 1,500h and 30,000h. At 5,000 hours, the Vivitek D791ST has a quite long service life of lamp compared to most of the other projectors of this type and age.

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Two VGA (D-Sub) Ports Quantitys

The Vivitek D791ST is a two VGA (D-Sub) ports quantity projector. Most of the other multimedia projectors of this age and spec have between one and two VGA (D-Sub) ports quantitys.

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Very Quiet Noise Level

The average noise level of 2500:1 contrast ratio projectors that are a similar age to the D791ST is 34dB. At only 27 decibels, the Vivitek D791ST has a fairly quiet noise level compared to most of the other projectors that came out around the same time as the D791ST.

We compared this projector to all the other 27dB noise level projectors and we think because of it's better review score, the Vivitek D795WT[plb_1839548_price] is also worth considering.

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4 Reasons Against

Does Not Support Full HD

The Vivitek D791ST does not support full HD, although it is worth keeping in mind that most of the other multimedia projectors of this age and spec also do not support full HD.

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Does Not Support 3D

The Vivitek D791ST does not support 3D, although it is worth keeping in mind that most of the other multimedia projectors of a similar age and spec to the D791ST also do not support 3D.

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Does Not Support Wi-Fi

The Vivitek D791ST does not support wi-Fi, although this is within the context that most of the other comparable spec multimedia projectors that have been available for more than two years also do not support wi-Fi.

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Heavy

The average weight of projectors of this type and age is 7.1kg, and the weights range from 470g to 47kg. The Vivitek D791ST is quite heavy (9 kilograms) compared to most of the other projectors of a comparable type and age to the D791ST.

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4 Other reasons to consider the Vivitek D791ST

Average Running Costs

The D791ST is typical compared to the other 43 2500:1 contrast ratio projectors that were launched more than two years ago that we have analysed for 1 year running costs. Based on average energy prices and usage levels, we estimate the 1 year running cost of the D791ST is £101.

Released Over Four Years Ago

It was over four years ago when this multimedia projector was released.

Average Projector Brightness

At 3,000 ANSI lumens, the Vivitek D791ST has a pretty standard projector brightness compared to most of the other multimedia projectors of this spec and age.

It may also be worth considering one of the other 3,000 ANSI lumens brightness multimedia projectors currently available including because of it's better review score, the Vivitek D795WT[plb_1839548_price].

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XGA (1024x768) Projector Native Resolution

This multimedia projector has a projector native resolution of XGA (1024x768), which is typical of many multimedia projectors of a similar spec and age to it.

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Specification

Projector
Contrast Ratio (typical)
Projector Native Resolution
Projector Brightness
Zoom Ratio
Supported Aspect Ratios
Screen Size Compatibility
Native Aspect Ratio
Projection Technology
Lamps
Service Life of Lamp (economic Mode)
Bulb Power
Service Life of Lamp
Video
Full HD
Analog Signal Format System
Ports & Interfaces
RS-232 Ports
S-Video Inputs Quantity
Component Video (YPbPr/YCbCr) in
HDMI Version
Audio (L,R) in
Composite Video in
Ethernet LAN (RJ-45) Ports
HDMI Ports Quantity
VGA (D-Sub) Ports Quantity
Networking
Ethernet LAN
Performance
Noise Level
Horizontal Scan Range
Vertical Scan Range
Multimedia
Built-In Speaker(s)
RMS Rated Power
Number of Built-In Speakers
Design
Form Factor
Colour of Product
Product Type
Power
Power Source
Power Consumption (standby)
Power Consumption (typical)
Input Frequency
Input Voltage
AC Adapter Frequency
AC Adapter Input Voltage
AC Input Frequency
AC Input Voltage
Weight & Dimensions
Weight
Height
Depth
Width
Packaging Content
Manual
Handheld Remote Control
Cables Included

Brochures and Manuals

Running Cost

Hours of Use Per Day: hours
Show running costs over: years
Electricity cost when switched on £92.94
Electricity cost when on standby £7.37
@ £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 £100.31
Running costs for this projector have been estimated based on other similar projectors. If you know how much electricity and water the Vivitek D791STuses then please let us know by entering those figures in the boxes above.
0.5T
Running this projector over 5 years will generate 0.5 tonnes of carbon dioxide (CO2).
13
To offset that much CO2 you would need to plant 13 tree seedlings and grow them for 10 years.

+- Manufacturer's Description

Product Identifiers

Manufacturer Part Numbers d791st, acer d791, acer d791s, acer d791st, vivitek d791, vivitek d791s, vivitek d791st
Barcodes 00814964335333

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