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Dear Wolfgang Last question: As far as i could understand, you said you could get 3000Lumens only in your home made torch!? As per the specification of "led.de" you suppose to have more than 6000Lumens! any reason for that? heat? (i'm not suppose to have this problem in water) power less? long...

Whaoooo thank's a lot Wolfgang for all those details very usefull for me Good Day Best regards Chris

Thank you very much Wolfgang for your very prompt response I suppose you use the 12 Volt batterie to get the 22V necessery to the 7 Leds PCB and if you don't mind can you tell me what is the second "chip" pcb on you picture? (second constant current pcb)? Can i also find the PDF of this piece in...

Dear Hoehlenfreund Sorry but i don't speek German! I'm a French Scuba diver and i saw your post about you LED lamp and i would like to ask you questions if you don't mind!? Can you explain me what is the parts: Links: „Senser Xtreme“ Boost-Konstantstromquelle (KSQ) I suppose it's DC...