What can I safely use with UBH?

[sstrauss]

SO far I have blown 2 SF lamps, I guess the e1,e2 lamps will not work with three cells in the UBH. Can somebody please tell me what the safe configurations are.

Thanks
Scott

 

[GJW]

Arc-LSx -- 3 volts
KL1 -- 3, 6, or 9 volts
E1 lamp -- 3 volts
E2 lamps -- 6 volts
P6x lamps -- 6 volts
P9x lamps -- 9 volts