Princeton Tec Matrix 2

 
 
 
3½ Stars
Good/Very Good
         

Light Type: Luxeon I LED
Light Class: Outdoor / Rough Use / Diving

Short Description:

The Princeton Tec Matrix 2 is a simple 2-AA alkaline powered headlamp that houses a single Luxeon I side emitting Luxeon Star LED in a PR base for light. This means that you never need to carry a spare bulb with you.

The Matrix 2 is a natural extension of several other Princeton Tec lights. The internal switch/reflector mechanism is essentially identical to that found in a Tec20, Tec40, Scout, Predator, Vortec, etc. As with those lights, switching the light on and off is accomplished with a simple twist of the bezel.

The bezel/battery unit pivots on the forehead plate allowing the light to be vertically directed where needed. The forehead plate has a rubber pad for comfort and a 3 point fully adjustable system of elastic straps.

The battery compartment opens on one end by lifting a lever on the back. The lid is sealed with an o-ring and is tethered to the battery compartment by a plastic strap to prevent its loss. The light is dive rated to 100 meters.

Included with the headlamp is a fleece bag for storage and protection.

Package
Size Reference
Apart - simple, reliable construction.
Bezel picture
Beam Profile

Detailed Information:

Unlike the movie of the same name, the Matrix 2 doesn't suck. (Yea, yea, I know... I should stick to being a flashlight critic, but I really hated that movie...). It's not a powerhouse, but it is a simple, straightforward, reliable headlamp. Add to that the fact that you never need to carry a spare bulb with you since it uses a Luxeon I LED instead of an incandescent bulb. The original Matrix used three 5mm LEDs that produced adequate light for camp side chores. This headlamp is sure to find greater utility due to its brighter output.

The body of the light is made of a tough polymer and the bezel is protected by a rubber shroud to give it a good degree of durability. The battery compartment door pops into place and is attached to the body by a plastic strap to prevent it from being lost or dropped when a battery change is necessary. The headlamp moves smoothly forward on the forehead plate hinge which can be tightened if necessary with a Phillips screwdriver.

The bezel is typical of many PT headlamps. Removing the lens reveals a reflector assembly that houses the PR base bulb. Pulling the back off of the reflector assembly reveals a spring and the PR based Luxeon I side emitting LED. This particular LED sends most of its light out to the side, allowing the reflector to do its job and reflect the light forward. In the rare event you should accidentally destroy the headlamp, you can remove the bulb and place it in any 2 cell flashlight that takes a PR based bulb.

To turn the headlamp on or off, simply twist the bezel. That's it. The bezel and battery compartment are sealed with o-rings giving the headlamp an advertised 100 meter depth rating. That means it will not only withstand rain and a dunk in a stream, but it can withstand the rigors of diving as well.

For batteries, the headlamp takes two standard alkaline AA cells. Information is not given about the compatibility of lithium or rechargeable AA batteries. I can tell you that if lithium batteries were used I would expect much longer runtime and greater brightness, but the literature included with the headlamp does not indicate if this will void the warranty on the light.

Runtime Plot:

Yes, I misspelled "Matrix"... oops...

Runtime completed withRayovac brand batteries. More information on runtime plots is available HERE.

To change the batteries, pivot the headlamp forward, lift the tab in the rear and the battery cover pops off. Drop out the old batteries and drop in new cells, paying attention to the polarity indicated on the sticker inside the body of the light. Snap the compartment door back in place when complete. Battery life is advertised at 8-10 hours. Throughout the life of the batteries the light will diminish, but it will stay pure white unlike an incandescent bulb which will turn more and more yellow.

Included with the headlamp is a nice fleece bag with a drawstring and spring cord-lock for storage of the headlamp.

What I Liked: Waterproof, Tough/impact resistant, Easy battery change, Comfortable on the head. Easy to operate. Never need to carry a spare bulb.

What I Didn't Like: Not as bright as I would like, but that's to be expected running on only 2 AA cells. Meter readings do indicate that it puts out about double the overall light of a 2 AA MiniMag.

Other Things I Noticed: The beam center has a little bit of a funny starburst shaped pattern, but I've seen this with other side emitter LEDs. The pattern is not distracting in practical use.

Conclusions: A very reliable, simple, straightforward headlamp for which you never have to buy (or carry) a replacement bulb.


Quick Facts Table:

Review Date .............................  
Case Material ........................... Polymer
Case Features .......................... 3-point headstrap, forehead cushion
Case Access Type .................... Pop-off battery compartment door
Switch Type ............................. Twist bezel
Reflector Type ......................... Silver plastic, textured
Lens Type ................................

Clear plastic

Bulb Type ................................. Luxeon I side emitter in a PR base
Beam Type ............................... Spot with significant sidespill
Beam Characteristics ............... Starburst pattern in center
Throw (Lux) at 1m (click for description) ~ 265 at beam center. (16.28 Comparison Chart equivalent)
Overall Output (click for description) ~ 1150 (11.50 Comparison Chart equivalent)
Battery / Power Type................ 2 x AA alkaline
Battery Life (advertised) ........... 8-10 hours, diminishing throughout
Environmental Protection ......... O-ring seals
Special Items of Note ............... Includes fleece bag
Warranty .................................. Limited lifetime
Retail Cost ................................ $40.00 US$ at time of review
 

 

 
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