The FEL-S2 B is a 350W bi-color LED Fresnel built for stages and studios that are replacing 2kW tungsten spotlights. It gives a soft-edged Fresnel beam with top-tier color quality at roughly one-fifth the power draw and with far less forward heat. That matters for talent comfort and for the HVAC bill.
What is under the hood
At the heart is a 2-in-1 COB LED: one chip running warm, one running cool, blended through the Fresnel lens. The 2700K to 6400K range matches tungsten and daylight without gels. Three quick-select preset color temperatures cover the common cases; in between, the CCT is fully variable. Color rendering is CRI greater than 97 and CQS 96 or above across the whole range.
Beam control and dimming
The lens is a Fresnel with a manual zoom from a 10° spot to a 50° flood, set from the rear of the unit. Barn doors and gel frames are standard 8-leaf / 4-gauge size, so most rental parks already own the accessories. A motorized auto-zoom controlled by DMX is available as a factory option. Dimming runs through 1 to 20 kHz PWM with 16-bit resolution; four selectable dimming curves let you match the response to what you are shooting. The result is flicker-free operation even at very high frame rates.
Control and connectivity
The control layout is standard DMX512 with RDM for addressing and diagnostics. Channel options are 2 (CCT and dimmer), 3 (adds strobe) or 6. Standalone programs for TV flicker, paparazzi, lightning and candle effects are built in, so a unit can run effects without a desk. Data comes in through 3- or 5-pin XLR or RJ45 Ethernet. Power is a Seetronic powerCON-compatible in/out on the back; a true1 Neutrik option is available for installations that require it. Daisy-chaining across a row of fixtures is straightforward.
Structure and cooling
The body is precision-machined aluminum in a matte grey finish. The heat sink is oversized for the 350W light source, and a temperature-regulated fan keeps the LED at its rated temperature. Measured fan noise stays at or below 32 dB at one meter, which is quiet enough for classical theater and for picking up dialogue close to the light. The unit is rated IP20: a stage fixture, not a washdown or outdoor light. Dimensions are 481 × 324 × 444 mm and the weight is about 11 kg, so it rigs on a junior stand or a pipe grid without special rigging. LED life is 50,000 hours.
Where it earns its keep
Broadcast key, fill and back light in multi-camera studios that need matching color across rigs. Specials and front light in professional theater, where the quiet fan and cool beam let the light sit close to performers. Touring and festival work where generator load is a real budget line. Narrative film sets that want a traditional Fresnel look without a 2kW tungsten unit on the stage floor. LED volume and virtual production stages, where a CRI above 97 and an accurate CCT matter for matching the LED wall. And in rental houses, where a 50,000-hour LED source and fan-only maintenance beat the tube-change cycle of the tungsten inventory it replaces.
Certifications and warranty
The FEL-S2 B ships with SAA, CE and RoHS certifications. The SAA mark covers Australian and New Zealand market requirements. The warranty period is three to five years depending on region and distributor terms.
Optional upgrades and accessories
A motorized auto-zoom, addressable over DMX, replaces the manual rear zoom wheel and covers shows where the beam size changes between scenes without a lane op. A true1 Neutrik power input replaces the Seetronic-compatible socket for installations that spec the original. A hard case and a road case are available as accessories at order time, sized for the 481 × 324 × 444 mm body. Standard 8-leaf barn doors and 4-gauge gel frames are not included; most rental parks already stock them, but for a single unit pulled off a shelf, budget a set with the first order so the rig is complete on arrival.
