Sony SRX T420 Projector: Specs, PDFs & Distance Calculator

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* Discontinued

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Model Overview

Known as the SRX T420, this LED-SXRD projector by Sony features basic specs of 21000 ANSI lumens, a contrast of 3000:1 at a UHD (4K+2K) 4096 x 2160 resolution. In operating mode, the installed projector lamp offers a lifespan of 600 hours.
The specifications identify the device as a model with an interchangeable lens option. Matching optional optics allow for exact adaptation to the required image size and projection distance, which can be calculated directly with the Projector Calculator.
Looking at practical performance, up to 813 cm can be illuminated with 21000 ANSI lumens in dark environments. Once daylight is in the room, the image should ideally be no wider than 542 cm.
For media input, video signals up to 1080P and 4K are supported. For integration into professional environments, an RJ45 connection is available for network control and remote maintenance.
Since entering the market in 2009, production has been discontinued; the manufacturer no longer actively offers the model. However, it remains frequently searched within our database. For your information: Compatible lamps for this device are no longer available in stores.

Display Type

3 x 1,55" SXRD Panel
UHD 19/10 Silicon X-tal Reflective Display (SXRD)

Ansi-Lumen

Projector

21000

Screen

9956 Lux (200 cm Screen width)

Contrast

3000:1 full on/off

Black Level

7,0000 min. Lumen

3,321 min. Lumen

Offset

Resolution

UHD (4K+2K) 4096 x 2160
8.847.360 Pixel

Video Modes

Pal, SECAM, NTSC, HDTV 720p, 1080i, 1080p, 4K UHD, EDTV 480p, 576p

Application

E-Cinema | Digital Cinema (D-Cinema) in the movie theater.
Very large screen width and rooms with plenty of light and shaded daylight.

Light Source

4,2 KW Lamp
Article Nr.: LKRX-2042A

Order Lamp

Light Life

600 h.

Operating Costs

The screen width should be larger. It's uncomfortably bright in the dark. too bright


	Lux:	9956 Lux
	Contrast:	3000:1
	Candela pro m²:	3169 cd/m²
	Foot-Lamberts:	925 fL

•

Focus

Powered

Zoom

Powered

Objective

Throw Ratio

optional

Audio

Nein

Connections

DVI mit HDCP in
RS232C
RJ45 in
Weitere Anschlüsse optional.

Ceiling Mounting

Yes, is possible.

Power

Size WxHxD

700 x 640 x 1250 mm (27,6"x25,2"x49,2") 560 L/dm³

Operating Noise

Weight

181,00 kg / 399,04 lbs.

Keystone

Illumination

Frequenz

Foot-Lamberts

925 fL / max. 813 cm screen width

Candela m²

3169 cd/m²

Features

Full HD 1080P compatible

Gamma correction

Lan network compatible.

Screen Mirroring

In Comparison

The Sony SRX T420 compared to others not current "E-Cinema" projectors.

Ansi-Lumen:

Weight:

Contrast:

dB:

Black level:

Power cons.:

Picture Total Points:

Projector Total Points:

Popularity Top 100

Points:

Ranking:

55 (From: 142)

Optional accessories
	bulb only Original	LKRX-2042A	EOL €

Optional Lenses

Name	Ratio	Distance	Shift V	Shift H	Zoom
LKRL-Z140	3.81-7.12:1	762-1424 m			Powered
LKRL-Z122	2.23-4.03:1	446-806 m			Powered
LKRL-Z119	1.81-2.94:1	362-588 m			Powered
LKRL-Z117	1.72-2.39:1	344-478 m			Powered
KRL-Z116C	1.5-2.29:1	300-458 m			Powered
LKRL-Z114C	1.35-1.95:1	270-390 m			Powered
LKRL-Z115	1.48-1.81:1	296-362 m			Powered
LKRL-Z111C	1.07-1.71:1	214-342 m			Powered
LKRL-90	0.9:1	180 m			No Zoom

Status

2009 Discontinued (EOL) // Last update of the data: 2026-06-09

Data

Sony Website

Prosepkt Japanisch

Prosepkt Japanisch 2

Product Sheet english

Product Sheet english HC

Popular Alternatives

21000 ANSI-Lumen


Model	NC3540LS	NC3541L	AL-MH750A	PT-RQ7L	C735PS
Ansi-Lumen	35000	35000	7500	7500	7300
Specifications	UHD LAN	UHD Laser LAN 3D	HDTV Laser Lens-Shift LAN 3D	HDTV Laser Lens-Shift HDBaseT Android LAN	HDTV Laser 0.68:1 Lens-Shift HDBaseT LAN
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SONY SRX T420


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