| Stored Energy | Selectable 750, 500, 250w/s |
| Guide number (m/100 ISO) | 102 at 750w/s |
| Recycle time to full power (240v) | 0.8 secs. (230V 50Hz)
1.4 secs. (120V 60Hz)
1.9 secs. (100 60Hz) |
| Flash Duration to t=0.5 | 1/3250 sec. (250w/s)
1/2240 sec. (500w/s)
1/1700 sec. (750w/s) |
| Flash Power Variation | Full to 1/32 |
| Stepless Power Variation | In 1/10 f-stops |
| User Replaceable Flash Tube | BW2981 (UV Cover Dome) or BW2980 (Clear) |
| Recommended Modelling Lamp | 650w Halogen |
| Model Lamp Variability | Full to 1/32 |
| Colour Temperature (+/- 300K) | 5600K |
| Voltage Stabilisation | to 0.05% |
| Flash Inhibit Circuit | Yes |
| Ready Light Indication at | 100% charge |
| Audible Recharge Confirmation | Yes |
| IR Remote Control | Yes |
| Reflector Mount | S-Type Bayonet |
| Operating Voltage | 90-130 50Hz or 190-253V 60Hz |
| Sync Voltage | 14V |
| Built in Slave Cell | Yes |
| Switchable Slave Cell | Yes |
| Circuit Protection | Yes 15A(F) fuse |
| EM Noise Suppression | Yes |
| Width (including bracket) | 150mm |
| Length | 425mm |
| Height | 135mm |
| Weight | 4.5kg |
