Last Updated 37 minutes ago
Overview
The Type 2701 is the single-cell Molefar for lighting a cyclorama from an overhead pipe. Its curved reflector throws light down the backing, and one front frame carries the gel. With a 1,500 W FDB, Mole’s 15 ft cyc example shows 141 fc with the fixtures 6½ ft from the wall and 6½ ft apart.
Key specifications
| Specification | Type 2701 |
|---|---|
| Maximum head load | 1,500 W across 1 circuit |
| Maximum per cell | 1,500 W, 12.5 A with a 120 V lamp |
| Control | One lead. External switching or dimming. |
| Width and depth | 20½ in. wide × 9¾ in. deep |
| Hanging drop | 22¼ in. from pipe centre to bottom of colour-frame holder |
| Fixture weight | 15 lb including yoke and holder |
| Globe sockets | Recessed single-contact lamp, with one spring contact at each end |
| Filter hardware | One Type 27012 single-cell holder, 1 individual Type 27934 filter frame |
Replacement lamps
Mole lists three 120 V, 3,200 K double-ended lamps. Each end of the globe seats in a spring-loaded contact. The series sheet specifies horizontal lamp operation within ±4°.
| Lamp code | Power | Current at 120 V | Ushio finish | Ushio rated life |
|---|---|---|---|---|
| FDB | 1,500 W | 12.5 A | Clear | 400 h |
| FGT | 1,500 W | 12.5 A | Frosted | 400 h |
| FFT | 1,000 W | 8.3 A | Clear | 300 h |
The original Mole sheet lists a clear FGT and a 500-hour FFT. The finish and life above are for Ushio’s own catalogued lamps. Match the markings on the replacement. Ushio double-ended quartz lamp catalogue.
Strengths and limitations
- At 20½ in. wide, one head can fill a short section of pipe or extend the wash at the end of a longer run.
- One circuit gives one gel colour at a time. A second independently controlled colour needs another cell.
Practical uses
To extend an existing run across a wider backing, match the adjacent lamp and gel, then check the join with a meter at camera height. A one-cell unit lets the crew move that last source sideways without disturbing the rest of the run.
Output and photometrics
Mole’s diagrams use the clear 1,500 W FDB at 120 V. Each reading applies to a particular wall height, setback and centre-to-centre spacing along the pipe. The foot-candle figure appears at the lower end of the distribution drawing.
| Cyc height | Setback from cyc | Spacing on centres | Published fc | Lux, rounded |
|---|---|---|---|---|
| 12 ft | 5 ft | 5 ft | 231 | 2,486 |
| 15 ft | 6.5 ft | 6.5 ft | 141 | 1,518 |
| 18 ft | 8 ft | 8 ft | 87 | 936 |
Exposure from a published cyc setup
Choose the mounting diagram that matches the shot. The camera settings convert its incident reading to an approximate aperture.
Chart reading and exposure
Select a configuration to calculate.
Readings are for the 1,500 W FDB. Meter the backing with the show gel and dimmer level in place. Manufacturer’s mounting diagrams.
Power and controls
One 36 in. circuit lead feeds the lamp. At 120 V, the 1,500 W FDB or FGT is a nominal 12.5 A load. The 1,000 W FFT draws about 8.3 A.
Mole specified three 36 in. conductors per circuit, with the plug selected when ordered. Confirm the fitted connectors and lamp voltage at prep. The lamp table above covers 120 V globes.
Optics and mounting
The Type 27012 holder accepts one Type 27934 filter frame. The curved holder leaves an air gap at the lamp. Check that the frame seats fully and that the reflector and holder have retained their shape.
Comparable fixture
The two-light Type 2811 adds a second independently fed cell for a second gel colour. Compare the Molefar layouts in the manufacturer’s catalogue.
Field coverage and further reading
The Chelsea Studios C and D lighting inventory identifies the 2701 as a one-light Super Cyc Strip. That type number distinguishes it from other one-cell Mole cyc heads when matching a studio package. Chelsea Studios C and D lighting inventory.
Rental and used-fixture checks
Confirm that the single-cell holder, filter frame, clamp and adapter are included. Ask which globe is installed. The published mounting chart uses the 1,500 W clear FDB.
Documentation
- Mole-Richardson Molefar Super Quartz Cyc-Strips, specifications and mounting diagrams (view the original sheet online)
- Type 2701 specifications on AV-iQ
- Mole-Richardson rental catalogue, Molefars
- Ushio double-ended quartz lamps
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