Phillips 5761 in M6

ShineOnYouCrazyDiamond

Flashlight Enthusiast
Joined
Aug 18, 2009
Messages
4,442
Location
CT, USA
I've been trying to track down some bright bulbs available for the M6 and I see that the Phillips G4 5761 bulb is quite powerful and has quite a reputation in Mag builds. But, there is also a lot of information about having to widen the reflector opening to make it fit.

The question is if a 5761 in a FM-MN bi-pin adapter will fit into the reflector in a Surefire M6?

Thanks for your help.
 

ganymede

Enlightened
Joined
Apr 14, 2011
Messages
553
Location
The Pale Blue Dot
SOYCD,

Have you looked at this thread? http://www.candlepowerforums.com/vb/showthread.php?204157-SureFire-M6-rechargeable-options-%96-SHOOTOUT-(Part-1)


From DM51's post:

The Philips 5761, like the MN21, is a high-current bulb, drawing 5.4 amps. It needs the FM 2C extension, as it should not be used with smaller Li-Ion cells than 'C' size. There are reports of some batches of 5761s being too large to fit through the KT4 reflector hole; certainly, it is a close fit. The filament sits up higher than the WA lamps, so ~1mm of shims are required on the base of the bi-pin holder. As if all that wasn't enough, it needs several clicks to start. Unless you intend to use LiMn (Emoli) cells in a 2x18650 holder and you don't mind extremely short run-times, it is not worth considering this bulb for the M6 (in my opinion, anyway).
Output………….. ððððð
Run-time……….. ðð
Practicality……. ð
Overall…………...
 

ShineOnYouCrazyDiamond

Flashlight Enthusiast
Joined
Aug 18, 2009
Messages
4,442
Location
CT, USA
Thanks for that information. I forgot about that test thread - one of the best back in the day.

I picked up a few 5761 bulbs, they are very easy to find online. Fit was a little snug but got it in - very impressive amount of light.
 

ganymede

Enlightened
Joined
Apr 14, 2011
Messages
553
Location
The Pale Blue Dot
Thanks for that information. I forgot about that test thread - one of the best back in the day.

I picked up a few 5761 bulbs, they are very easy to find online. Fit was a little snug but got it in - very impressive amount of light.

Haha! That is THE DEFINITIVE thread on hotwire M6 setups and you posted in that thread too!

I am running WA1185 on 3x17670 on my M6s, love them!
 

ShineOnYouCrazyDiamond

Flashlight Enthusiast
Joined
Aug 18, 2009
Messages
4,442
Location
CT, USA
Putting all of this together for a CPF buddy at the moment, but man this is making me want to get a M6 again. The parts are so hard to find though. I do have a KT2 head setup with a 2x18500 Leef body that I've been rocking a MN21 in. I tried the 5761 in a FM-MN bipin and it's so much brighter.

Trying to source a FM-MN bipin for myself but they are hard to come by lately. If anyone knows of an available on please PM me.......

I definitely think the 5761 is easier to focus than the 1185 and a smaller filament so no bat wings.
 

ShineOnYouCrazyDiamond

Flashlight Enthusiast
Joined
Aug 18, 2009
Messages
4,442
Location
CT, USA
The 1185 is a great bulb. A little harder to focus than the 5761. Also much harder to find nowadays. The 5761 is readily available for $4.
 

ShineOnYouCrazyDiamond

Flashlight Enthusiast
Joined
Aug 18, 2009
Messages
4,442
Location
CT, USA
Something is a bit wide on the batch that I just got. They fit through the reflector opening when you slide them in by themselves, but once you put them in the FM-MN bi-pin they stick in the opening. I think they sit a bit wide once inserted. I've managed to crack the pins or glass on all of the bulbs and pretty much killed them.

As they are pretty cheap I may try an order from another store and see if I get lucky with a different batch of bulbs.
 

Greenbean

Flashlight Enthusiast
Joined
Feb 19, 2008
Messages
1,301
Location
WNC
You guys are making me miss my old M6 badly,

I also ran a WA1185 in FM Bi-Pin holder with 3x17670 cells.

Absolutely loved it and also had an IR filter for it.
Man it would light up the night with NVGs on....

I told my then g/f I would never sell it, and now my wife (same lady) has told me multiple times.
"Told you not to sell it!"
 

hron61

Flashlight Enthusiast
Joined
Nov 26, 2009
Messages
1,003
Location
lakewood wa.
[QUOTE

I also ran a WA1185 in FM Bi-Pin holder with 3x17670 cells.

Absolutely loved it

I told my then g/f I would never sell it, and now my wife (same lady) has told me multiple times.
"Told you not to sell it!"[/QUOTE]

If i have a dime for every time i heard my gf tell me that I'd have about a buck thirty.
But, the m6 with the 1185 has remained in my stable while a lot of other lights have been passed on for others to enjoy.
Its a KEEPER. I feel your pain though. Its truly a classic setup and i will never part with mine, and its a beater, lol.

EDIT...All this m6 talking got me feeling a bit nostalgic..So I'm charging up the batts in it so i can just shine it in the yard. lol
 
Last edited:

Greenbean

Flashlight Enthusiast
Joined
Feb 19, 2008
Messages
1,301
Location
WNC
Lol...

I am trying to come by an M6 again, I just can't believe I had two bi-pin holders....
The other was in an M4... Argh!!!!

I'll slowly get around to getting some stuff together. :candle:
 

Greenbean

Flashlight Enthusiast
Joined
Feb 19, 2008
Messages
1,301
Location
WNC
Weeellllll I have an old beater M6 now, scored a deal on the auction site, lol...

Have a FM 2 x 18650 pack coming and also Wohoo thanks to some great friendly CPF Mall folks as in SOYCD and AndyF a FM Bi-Pin socket coming also.

I wanna try the Phillips 5761 in it. I know it's not WA1185 territory but until I can get another 3 x 17670 pack it's what I have.

Tickled to hit night shift with this set up as well.
 
Last edited:

Greenbean

Flashlight Enthusiast
Joined
Feb 19, 2008
Messages
1,301
Location
WNC
You bet, I was just reading that the bulbs draws much current and I'll go with a set of good IMR cells with your battery pack.
 

Greenbean

Flashlight Enthusiast
Joined
Feb 19, 2008
Messages
1,301
Location
WNC
So what is the best right now, 18650 to power x 2 the Phillips 5761 bulb?

I used to have a set of these in a 2C and they were great for my ROP buld as they are just short enough to fit both in a 2C w/out needing any extension.
You just put some foam with copper braid on it inside a cleaned out cap and there you go.

Sanyo 2600 mah Rechargable Lithium Ion Battery, from customlites.com
http://www.customlites.com/Sanyo-2600-mah-Rechargable-Lithium-Ion-Battery-SAN2600.htm

Would these be OK for the 5761 in a 2 x 18650 carrier in an M6? Obviously with the carrier from FM you need not worry about the length.
But is there a better cell for the 5761. I am going to purchase two new cells but want to get the best I can for this set up.
I may get four cells and make it a truck light and keep it in my tool box. Verdict isn't in yet on that though.
 

fivemega

Flashlight Enthusiast
Joined
Jan 28, 2003
Messages
5,522
Location
California
Last edited:

Greenbean

Flashlight Enthusiast
Joined
Feb 19, 2008
Messages
1,301
Location
WNC
Now that's cool,

You still include a M6 bi pin socket $40 with purchase of tubes?
 
Top