john_murphy1 Posted September 2, 2005 Share Posted September 2, 2005 Please help me to sort out the difference in the numerical designations of the various Speedotron Blackline 2400 w/s units. Their website offers no help.<p> The 2401A, 2403cx, 2403sx, 2405, etc.-what's the difference? Link to comment Share on other sites More sharing options...
ellis_vener_photography Posted September 2, 2005 Share Posted September 2, 2005 240x refers to the maximum power capacity of the packs in watt-seconds: 2400 watt- seconds in this case. Try contacting Speedotron at http://www.speedotron.com for more details. Link to comment Share on other sites More sharing options...
danny_wong2 Posted September 2, 2005 Share Posted September 2, 2005 2401A - basic pack, power bank of 400/800/1200 WS independant or combined into 6 outlets 2401sx - basic pack same as "a" with low voltage trigger circuit for digital cameras 2403cx - has additonal dial down feature to give variable output (1/10 of f-stop) 2405 lighter and smaller with less lamp outlets Link to comment Share on other sites More sharing options...
bernard_r._negrin Posted September 3, 2005 Share Posted September 3, 2005 Speedotrons have been around for a long time and are a proven system. I love their design and quality of light. But I don't understand why they do not seem to upgrade their systems. It would be nice if their packs had model light tracking and just 1 or 2 more bells and whistles and move with the times. I know it all comes down to cost. I guess thats why they are one of the most affordable and reliable brands out there. Link to comment Share on other sites More sharing options...
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