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projector light bulb lamp
57 7891 E
( 57/7891/E )
is known as:
DWK 230V 1000W ANSI
( DWK/230V/1000W ANSI )
approximately 11 bulbs in stock
enter quantity:   
overstock discount:
bulb quantity:  1+    3+    9  
price per bulb:  $106    $48.44    $46.50  

DWK 230V 1000W ANSI bulb specifications:
category: Projector
volt: 230
amp: 4.35
watt: 1000
base: P28s - Medium Prefocus Flanged
glass: T20
filament: CC13
fil.res.: 52.9 ohm
m.o.l.: 5.75 inch (146.1MM)
l.c.l.: 2.19 inch (55.6MM)
burn pos: burn lamp in Base DOWN position only
i.lumens: 25000
cp: 2000
cri: 99
color temp: 3100
d.hours: 50

notes:


clear glass
projector lamp
specs verified against ANSI-SR24F2002

uses sockets:DB-P28S1
DB-P28S2


typical photo of DWK 230V 1000W ANSI bulb type
(your bulb may look slightly different)


typical shape of T20 glass envelopes
(not to scale)


typical shape of CC13 filament
(not to scale)


industry standards for base:
P28s - Medium Prefocus Flanged
(not to scale)


Although few specialty light bulbs and sockets are manufactured anymore, I have decent inventories of most types in stock, plus additional sources for nearly everything. All are guaranteed brand new, most being NOS (new old stock). Shelf life is forever.

Prices usually rise as inventory is sold off. Website updated daily to reflect current stock and prices. Click add to cart button above, and order at today's prices.

I don't guarantee brand (or country) of manufacture, but you are welcome to suggest a preference. If you do require a certain brand or specific country of manufacture; read my general information.

I need your help! I'm doing everything possible to provide free accurate bulb data and cross-referencing. If you have additional information or found errors, click here.

Thanks to you;  donsbulbs is the worlds largest resource of bulb data and cross-referencing.

Thank you, Don Schnapp


Definition of light bulb refers to lamp.
Definition of socket refers to lampholder (lamp holder).


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DWK 230V 1000W ANSI
also known as
Cross-Reference:


57-7891-E
57-7891E
57/7891/E
57/7891E
57 7891 E
57 7891E
57.7891-E OSRAM
57.7891/E OSRAM
57.7891 E OSRAM
57.7891E OSRAM
58.8997E OSRAM
230-1000-63S CANIMPEX
230-1000-63S MICROLITES
6185-C-230 PHILIPS
6185-C-230V PHILIPS
6185-C-240-1000
6185-C-240-1000W
6185-C-240V-1000
6185-C-240V-1000W
6185-C PHILIPS
6185/C/230 PHILIPS
6185/C/230V PHILIPS
6185/C/240/1000
6185/C/240/1000W
6185/C/240V/1000
6185/C/240V/1000W
6185/C PHILIPS
6185 C 230 PHILIPS
6185 C 230V PHILIPS
6185 C 240 1000
6185 C 240 1000W
6185 C 240V 1000
6185 C 240V 1000W
6185 C PHILIPS
6185C PHILIPS
6185C230 PHILIPS
6185C230V PHILIPS
6185C240-1000
6185C240-1000W
6185C240/1000
6185C240/1000W
6185C240 1000
6185C240 1000W
6185C240V1000
6185C240V1000W
1000227 USHIO
A1-58-230 ATLAS
A1-58-230 LIF
A1-58-230 THORN
A1-58-230V ATLAS
A1-58-230V LIF
A1-58-230V THORN
A1-58-240 ATLAS
A1-58-240 LIF
A1-58-240 THORN
A1-58-240V ATLAS
A1-58-240V LIF
A1-58-240V THORN
A1-58/240
A1-58/240V
A1-58 240
A1-58 240V
A1-058 ATLAS
A1-058 LIF
A1-058 THORN
A1/58-240
A1/58-240V
A1/58/230 ATLAS
A1/58/230 LIF
A1/58/230 THORN
A1/58/230V ATLAS
A1/58/230V LIF
A1/58/230V THORN
A1/58/240 ATLAS
A1/58/240 LIF
A1/58/240 THORN
A1/58/240V ATLAS
A1/58/240V LIF
A1/58/240V THORN
A1/58 240
A1/58 240V
A1/058 ATLAS
A1/058 LIF
A1/058 THORN
A1 58 230 ATLAS
Know a cross-reference for this bulb
to add to this list?


Please enter:
bulb number
brand of bulb
A1 58 230 LIF
A1 58 230 THORN
A1 58 230V ATLAS
A1 58 230V LIF
A1 58 230V THORN
A1 58 240 ATLAS
A1 58 240 LIF
A1 58 240 THORN
A1 58 240V ATLAS
A1 58 240V LIF
A1 58 240V THORN
A1 058 ATLAS
A1 058 LIF
A1 058 THORN
DRS-230
DRS-230V
DRS-240
DRS-240V
DRS/230
DRS/230V
DRS/240
DRS/240V
DRS 230
DRS 230V
DRS 240
DRS 240V
DRS230
DRS230V
DRS240
DRS240V
DWK-230 ANSI
DWK-230 ASA
DWK-230V-1000W ANSI
DWK-230V-1000W ASA
DWK-230V ANSI
DWK-230V ASA
DWK/230 ANSI
DWK/230 ASA
DWK/230V/1000W ANSI
DWK/230V/1000W ASA
DWK/230V ANSI
DWK/230V ASA
DWK/230V GENERAL-ELECTRIC
DWK 230 ANSI
DWK 230 ASA
DWK 230V ANSI
DWK 230V ASA
DWK ANSI
DWK ASA
DWK BULB-DIRECT
DWK INTERLIGHT
DWK MICROLAMP
DWK USHIO
DWK WESTINGHOUSE
DWK230 ANSI
DWK230 ASA
DWK230V ANSI
DWK230V ASA
KP-20-58.8997-E KONDO
KP-20-230-1000 KONDO
KP-20-230-1000W KONDO
KP-20-230V-1000 KONDO
KP-20-230V-1000W KONDO
KP/20/58.8997/E KONDO
KP/20/230/1000 KONDO
KP/20/230/1000W KONDO
KP/20/230V/1000 KONDO
KP/20/230V/1000W KONDO
KP 20 58.8997 E KONDO
KP 20 230 1000 KONDO
KP 20 230 1000W KONDO
KP 20 230V 1000 KONDO
KP 20 230V 1000W KONDO
KP20-58.8997E KONDO
KP20-230-1000 KONDO
KP20-230-1000W KONDO
KP20-230V1000 KONDO
KP20-230V1000W KONDO
KP20/58.8997E KONDO
KP20/230/1000 KONDO
KP20/230/1000W KONDO
KP20/230V1000 KONDO
KP20/230V1000W KONDO
KP20 58.8997E KONDO
KP20 230 1000 KONDO
KP20 230 1000W KONDO
KP20 230V1000 KONDO
KP20 230V1000W KONDO

DWK 230V 1000W ANSI
have been found in equipment:
Beseler Photo Marketing Incorporated
11 VU-LYTE Projector Opaque / Transparency
2 VU-LYTE Projector Opaque / Transparency
II VU-LYTE Projector Opaque / Transparency
VU-LYTE-OPOR-SLIDE Projector Opaque / Transparency

Buhl Optical Company
4 POINTER-MARK Projector Opaque / Transparency
6000 KOOLITE 8mm Projector Overhead
7000 KOOLITE 8mm Projector Overhead
IV POINTER-MARK Projector Opaque / Transparency
MARK-4 POINTER Projector Opaque / Transparency
MARK-IV POINTER Projector Opaque / Transparency
MARK4 POINTER Projector Opaque / Transparency

Charles Beseler Company
2 VU-LYTE Projector Opaque / Transparency
II VU-LYTE Projector Opaque / Transparency
VU-LYTE-OPOR-SLIDE Projector Opaque / Transparency

Kalart Victor Corporation
3525 Projector Opaque / Transparency
3526 Projector Opaque / Transparency
3550 Projector Overhead
Know any equipment using this bulb to add to this list?
Enter as much information as possible: example:
manufacture name:  Bell & Howell
model number #:  1480
model name:  Multi-Motion
size:  8mm
type of equipment:  projector
notes:  only the green one
comments:  any comments