Extek® Model 3441 Silver Film Duplicators
- Extek Model 3441 utilizes the same compact design and film duplicating technology which has been proven over many years.
- Designed to produce high quality duplicates from old, curled and damaged masters
- Works with all types of master films, putting the least possible stress on fragile masters, even with nitrate or acetate backings.
- Duplicates common quality 16mm or 35mm film at 150 feet per minute.
- Design simplicity and quality in manufacture account for excellent reliability enjoyed by our users
- Convenient threading mechanism permits instant, high quality operation.
- Low maintenance requirements; most common service can be done in a matter of minutes.
- Digital speed and exposure readout also available

Features
Film Size:
16mm and 35mm
Film Type:
| Master: |
Silver Halide, Diazo or Vesicular |
| Duplicate: |
Silver Halide
– Print form (Image reserved)
– Direct Duplicating (Image not reserved) |
Film may have sprocket holes; however, sprocket registration is not maintained.
Film Capacity:
- Maximum roll diameter, 10 inches (25cm); diameter of full roll must not exceed five (5) times the core diameter.
Duplication Speed:
- 150 (46 meters) per minute, nominal
Exposure Lamp:
Resolution:
- 180line pairs/mm, minimum
Electrical:
- 100 to 130 VAC (115V nominal), 60Hz, 6 Amps (3441)
- 200 to 250 VAC (230V nominal), 50Hz, 3 Amps (3441E)
Environmental:
- Darkroom operation, allowable light level upon type of duplicating film being used.
- Recommended relative humidity: 65% - 85%
Heat Load:
- Less than 94- BTU/hr (275W) standby
- Less than 1710 BTU/hr (500W) when duplicating
Spindle Configuration:
- 5/16” of 1” spindles, operator changeable
Size:
- Width- 30.5” (77.5cm)
- Depth- 21.0” (53.5cm)
- Height-35.0” (88.9cm)
Weight:
- 165 lbs. (75kg)
- Crated for shipping, 225lbs., (116kg)
Optional Features
Digital Readouts:
Red LED readouts for running speed (feet or meters/minute) and lamp voltage shows your duplicating conditions at a glance
Tacky Roller Film Cleaner (Model TR129)
Master Film is cleaned just before duplicating with this environmentally safe attachment. Removes 99% of dust and debris.
Film Rewind:
Switch-operated bi-directional rewind
Work Tables:
Clear mounted and fixed poison, heavy-duty tables are available
Spare Parts Kit:
Level I (basic) and Level II (comprehensive) spare-parts kits keep your unit running and insure against excessive down time
Specifications subject to change without notice
Silver Film Duplicator 3441 Spec Sheet
General inquiries & Suggestions:
For more information, call us at (240) 215-0224
For general inquiries and suggestions, please contact us.