| Maximum Watt/Seconds | 500 |
| Guide Number | 365 @ 10' (3.0 m), ISO 100 with PL7R reflector, 110 with no reflector |
| Recycle Time | 1.5 Sec. @ max. power 0.5 Sec @ min. power |
| Flash Duration | 1/1,300 Sec. @ max. power 1/640 Sec. @ min. power |
| Flash Variability | 6.0 Stops, full to 1/32 power, 500 to 16W/s in 1/2 or 1/10 stop increments |
| User Replaceable Flashtube | Comes with C4-15C (UV), optional C4-15 (non-UV) C4-15F (frosted non-UV), C4-15D (frosted UV) |
| Changeable Reflector | Yes |
| Modeling Light | 250W (ESS), optional 100W (ESR) or 150W (ESP) Control: 6 stops, full to 1/32 power |
| Voltage Stabilization | +/- 0.05 Stop |
| Material | Extruded aluminum |
| Operating Voltage | 105-125VAC, 60 Hz, 10 amps |
| Flash Ready Indicator | Ready light Modeling light dims during recharge then powers up when charged |
| Power Consumption | 0.2 amps idling, 15 amps charging |
| Sync Voltage | 5V, 1/4" (6.35 mm) outlet |
| Built-in Slave Cell | Photocell |
| Circuit Protection | Fuse, 3AG type 16 amp, SLO-BLO |
| Fan Cooled | Yes |
| Auto Dump | Yes |
| Mount | 5/8" (16 mm) female |
| Dimensions | 4.5 x 4.5 x 6.75" (11.4 x 11.4 x 17.1 cm) |
| Weight | 5.5 lb (2.5 kg) |
| Manufacturer | Other Brands |
|---|