How hot does a source 4 leko get at the connection with the lamp base?

Check out this wiki entry:

http://community.etcconnect.com/wikis/products/knowledgebase-source-four-heat-ratings-how-much-heat-does-the-source-4-emit.aspx

which says:

S4/S4 Zoom/750w

Lamp Focus Knob: 210°C (410°F) max.
Exterior Rear Housing Skin: 217°C (423°F) max.

Of course, this will vary depending on lamp wattage and if the luminaire is incandescent or LED.

-Todd

Check out this wiki entry:

http://community.etcconnect.com/wikis/products/knowledgebase-source-four-heat-ratings-how-much-heat-does-the-source-4-emit.aspx

which says:

S4/S4 Zoom/750w

Lamp Focus Knob: 210°C (410°F) max.
Exterior Rear Housing Skin: 217°C (423°F) max.

Of course, this will vary depending on lamp wattage and if the luminaire is incandescent or LED.

-Todd