ProjectorDB

Panasonic PT-TW381R vs Promethean UST-P3

Panasonic PT-TW381R is lighter.

Panasonic PT-TW381R
Promethean UST-P3MSRP $499
Key differences
White light output
3,300 lm ISO (Normal power, Dynamic mode) · 3,300 lm ANSI—
Throw ratio
0.46:10.35:1
Fan noise
Normal 38 dB(A) · Eco 35 dB(A)—
MSRP
—$499
Room fit
Distance to screen
0.99 m0.75 m
Picture
White light output
3,300 lm ISO (Normal power, Dynamic mode) · 3,300 lm ANSI—
Claimed brightness (non-standard)
—3,150 lm
Brightness uniformity
85%—
Imaging technology
3LCDDLP
Chip / panel diagonal
0.59 in0.65 in
Native resolution
WXGA (1280 × 800)WXGA (1280 × 800)
Native aspect
16:10Derived16:10Derived
Dynamic contrast
20,000:1Up to 2,300:1
Colour bit depth (per channel)
8 bit—
Gamma / EOTF presets
—2.2, 2.4
Colour management (CMS)
—6-axis
3D
—Yes
3D formats
—Frame packing, Side-by-side, Top-bottom, Frame sequential
Light source
Light source
LampLamp
Lamp power
230 W240 W
Replacement lamp
ET-LAL510—
Light-source life
10,000 h normal · 20,000 h eco5,000 h normal · 8,000 h eco
Life defined as
50% brightness—
Optics
Throw ratio
0.46:10.35:1
Image size
50–100 in80–100 in
Zoom
NoneDigital
Focal length
6.08 mm—
Aperture (f-number)
1.8—
Focus
ManualManual
Autofocus
—No
Vertical keystone
15°40°
Horizontal keystone
15°—
Auto keystone
Yes—
Corner correction
4-corner—
Grid warp
Yes—
Interchangeable lens
NoNo
Inputs & control
HDMI inputs
—2 × HDMI
Other video inputs
VGA, CompositeVGA
Max input resolution
—4K UHD
Audio inputs
3.5 mm, RCA3.5 mm
USB media playback
Yes—
Control ports
RS-232RS-232
PJLink
Class 2—
Control-system drivers
Crestron, AMXCrestron
Horizontal scan
—15–91.4 kHz
Vertical scan
—24–120 Hz
Smart platform
Ethernet
YesYes
Audio
Speaker power
10 W20 W
Speakers
—2
Layout
MonoStereo
Audio outputs
3.5 mm3.5 mm
HDMI audio return
NoneDerivedNoneDerived
Physical & installation
Dimensions (W × D × H)
335 × 329 × 134 mm288 × 375 × 168 mm
Weight
3,900 g4,800 g
Colours
WhiteBlack
Orientations
Table, Ceiling, RearTable, Ceiling, Rear
Ceiling mount
4 × M4, 10 mm deep, 1.25 N·mM4, 12 mm screws
Dust filter
Replaceable—
Environment & power
Operating temperature
5–40°C0–40°C
Operating humidity
20–80%RH10–85%RH
Altitude
2,700 m—
Power draw
Max 300 WMax 330 W
Standby
0.5 WUp to 0.5 W
Power supply
Built in—
Mains input
100–240 V · 50/60 Hz100–240 V
Fan noise
Normal 38 dB(A) · Eco 35 dB(A)—
Safety & support
Risk group
—RG1
Marks
FCCCE, FCC, UL, CCC
User manual
https://eu.connect.panasonic.com/sites/default/files/media/document/2025-01/tw381r_manual_en.pdfhttps://cdn.cs.1worldsync.com/55/fb/55fb8d82-0779-48d1-9c55-233622ca8bbd.pdf
Spare parts
Lamp ET-LAL510 · Air filter ET-RFL300—
In the box
In the box
Power cord, Remote, Remote batteries, USB cablePower cord, Remote, Remote batteries, Quick start guide, HDMI cable, VGA cable
Remote
—IR