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CRT Projector Specifications > Electrohome


 



Select a manufacturer:

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Model

CRT Size/
LC

CRT
Type

Chassis Controls Peak
Lumens
Contrast
x:1

HScan (kHz)

VScan
(Hz)

Band
width
(Mhz)

Screen
Size
(inches)
Max Resolution HDTV Inputs IR
Remote
Point
Convergence
EM
Focus
New
Price
(USD)
EDP 57 7" - Digital 725 15,000 15-33 45-90 30 60-250+ 480p Y V/R - - N 3195
EDP 58 7" - Digital 725 15,000 15-33 45-90 30 60-250+ 480p Y V/R - - N 3195
CadCam 7" SD187 Digital 725 15,000 30-71 45-100 60 60-250+ 1024x768 Y V/R - - N -
ECP 1000 7" SD187 Digital 725 15,000 15-33 60 30 60-250+ 480p Y R - - N -
ECP 2000 7" SD136 Digital 725 15,000 15-36 42-100 30 60-250+ 540p Y V/R - - N 9995
ECP 2100 7" SD187 Digital 600 15,000 15-38 42-100 30 60-250+ 540p Y V/R - - N 9995
ECP 2500 7" 07MS Digital 725 15,000 15-50 45-120 40 60-250+ 1024x768p Y V/R Y - N 9995
ECP2500 Plus 7" 07MS Digital 725 15,000 15-50 45-120 50 60-250+ 1024x768p Y V/S/R Y - N 9995
ECP 3000 7" SD187 Digital 600 15,000 15-55 45-120 50 60-250+ 1280x1024p Y V/S/R Y - N 14400
ECP 3100/01 7" SD187 Digital 600 15,000 15-55 45-120 50 60-250+ 1280x1024p Y V/S/R Y - N 12995
ECP 3500/01 7" 07MS Digital 725 15,000 15-62 45-120 60 60-250+ 1280x1024p Y V/S/R Y - N 11995
ECP 3500 Plus 7" 07MS Digital 725 15,000 15-72 45-120 60 60-250+ 1280x1024p Y V/S/R Y - N 11995
ECP 4000 7" SD187 Digital 600 15,000 15-80 45-120 65 60-250+ 1280x1024p Y V/S/R Y - N 22400
ECP 4100 7" SD187 Digital 600 15,000 15-80 45-120 65 60-250+ 1280x1024p Y V/S/R Y - N 18995
ECP 4500/01 7" 07MS Digital 725 15,000 15-90 45-120 70 60-250+ 1280x1024p Y V/S/R Y - N 16995
ECP 4500 Plus 7" 07MS Digital 725 15,000 15-90 45-120 70 60-250+ 1280x1024p Y V/S/R Y - N 15995
ECP Graphics 7" SD187 Digital 600 15,000 15-80 45-150 70 60-250+ 1280x1024p Y V/S/R Y - N 14400
Marquee 6500 8" 180DMB22 Digital 900 20,000 15-80 38-108 70 57-250+ 1600x1200p Y V/R Y - - 19995
Marquee 7500 8" 180DMB22 Digital 900 20,000 15-110 38-180 100 57-250+ 1600x1200p Y V/R Y - - 19995
Marquee 8000 8" 180DMB22 Digital 1000 25,000 15-130 45-150 100 57-250+ 1600x1200p Y V/S/R Y 45 Y 22995
Marquee 8110 8" 180DMB22 Digital 1000 25000 15-110 38-180 100 57-250+ 1600x1200p Y V/S/R Y 45 Y 20995
Marquee 8500SM 8" 180DMB22 Digital 1000 25000 15-70 38-180 120 57-250+ 1600x1200p Y V/S/R Y 45 Y 24995
Marquee 8500 8" 180DMB22 Digital 1200 25,000 15-130 38-180 100 57-250+ 1600x1200p Y V/S/R Y 45 Y 22995
Marquee 8500LC 8" LC 180DMB22 Digital 1200 28,000 15-130 38-180 100 57-250+ 1600x1200p Y V/S/R Y 45 Y 29995
Marquee 9000 9" LC P19LCP09 Digital 1200 30,000 15-130 45-150 120 67-250+ 2500x2000p Y V/S/R Y 45 Y 29995
Marquee 9500DM 9" LC P19LCP09 Digital 1300 30,000 15-70 38-180 120 67-250+ 1600x1200p Y V/S/R Y 45 Y 36995
Marquee 9500LC 9" LC P19LCP09 Digital 1300 30,000 15-130 38-180 120 67-250+ 2500x2000p Y V/S/R Y 45 Y 31995
Marquee 9500HS 9" LC P19LCP09 Digital 1300 30,000 15-152 40-185 130+ 67-250+ 2500x2000p Y V/S/R Y 45 Y 33995
Marquee 9500LC Ultra 9" LC P19LCP09 Digital 1300 30,000 15-152 40-185 130+ 67-250+ 2500x2000p Y V/S/R Y 45 Y 33995

Note : A "01" suffix in any model number signifies an ACON auto convergence system installed.

Model

  Weight in Lbs (Kg)

 Dimensions L x W x H in inches (mm)

All ECP Series

105 (47.7) - 131 (60)

23.54 x 20.88 x 16.68  (598 x 530 x 424)
Marquee 8000 Series

145 ( 64)

32 x 28 x 17  (813 x 711 x 432)
Marquee 8000 LC Series

175 (79.5)

32 x 28 x 17  (813 x 711 x 432)
Marquee 9000 Series

157 (71.4)

32 x 28 x 17  (813 x 711 x 432)
Marquee 9000 LC Series

186 (84.5)

32 x 28 x 17  (813 x 711 x 432)


Glossary of Terms (click on term for in-depth information)

CRT Size/LC: Although manufacturers measurements will vary, these measurements are the agreed upon measurements by most enthusiasts. Actual raster corner to corner measurements will vary based on the installation. LC is noted for tubes that are liquid-coupled (as opposed to air-coupled). LC'ed tubes offer greater contrast and less halo'ing.

Chassis Controls: Analog chassis projectors use manual "pots" for convergence, image sizing, shift, etc.  With the newer digital convergence feature, convergence is done from the control panel or infrared remote control.  This gives you the ability to stand at the screen and more accurately set up the focus and alignment of the CRT's. Digital convergence units also may have memories for different inputs and aspect ratios.  These can then be changed with the push of a button on the remote.

Peak Lumens: Lumens relate to the amount of energy (light) that's coming from the CRT.  It describes the potential of the projector, but little of the actual brightness you will get on screen.  The brightness depends on many factors.  The most important being the screen size and material as well as ambient light conditions.

Scan Rates and HDTV:  The ability of a projector to display HDTV depends on its scanning capability. For example for a projector to line double standard NTSC signals (480i at 15.75khz horizontal) from DVD, VCR or cable/Satellite to 480p, requires 31.5 Khz of horizontal scan rate and enough bandwidth to handle twice the picture information. HDTV at 1080i requires a horizontal rate of 33.75 Khz and 50 Mhz bandwidth.  720p requires a horizontal rate of 45 Khz with 50 Mhz bandwidth. 

Max resolution: This is the maximum resolution that the projector can accept (and sync to) as an input signal. Important: While the projector may be able accept the signal, it may not be able to fully resolve the information on screen without overlapping of scan lines resulting in a softening of the picture. That is, the manufacturer resolution specifications do not necessarily reflect real world resolving capability.

Inputs: As listed above V = standard composite video, usually a BNC connector on projectors (takes a $2 Radio shack connector to convert back to RCA). S = S-video in its usual form. R = RGB in either a DB type plug or 5 separate RGBHV BNC type connectors. C = Component video.  Any values in ( ) are available with an optional input board.

Zone/Point Convergence: A feature of a digital chassis where after doing a rough convergence you can fine tune various areas of the image for a tighter alignment

Electromagnetic Focus: A feature on newer projectors where you not only have the ability to focus corners and center, but additional electronic controls for fine focus of the beam spot throughout various areas of the image producing a sharper image.
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