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Gear Review



Page Type: Gear Review

Object Title: Duo

Manufacturer: Petzl

Your Opinion: 
 - 8 Votes


Page By: Martin Cash

Created/Edited: Nov 13, 2002 / Nov 13, 2002

Object ID: 559

Hits: 2390 


The Duo has 2 light sources. The first uses a standard bulb for economic use. The second has a halogen bulb which gives it a powerful light. The latter is adjustable and allows the width of the beam to be adjusted. The beam adjustment control as well as the lockable on / off switch are easily accessible and separately sited.Supplied with spare 6V standard and halogen bulbs.

Specs :

Weight: 200 g not including batteries.
Uses 4 AA-LR6 batteries.

Standards :The Duo is certified by UL for use in hazardous locations and rated Class I, Div. 1, Groups C, D T2A


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Martin CashUntitled Review

Voted 5/5

I use this headlamp for mountaineering and spelunking. In my opinion it is the best spelunking headlamp out there with it's ability to illuminate big caverns at the flick of a switch. I use the halogen less in the mountains, but it is still very usefull at camp. The 4 AA batteries don't last that long when the halogen is on, so be careful. I have 8 rechargeable Lithium Ion batteries that I use specifically with this headlamp. Lithium Ion batteries perform much better in the cold than Energizers or Duracells. I can get about 9 hours and 2 hours from E&D and 20 hours and 5 hours from the Lithiums.

The regular bulb is rated to illuminate to 20 meters and the halogen to 100 meters, making this a very versatile product.
Posted Nov 13, 2002 3:24 pm

marcminishUntitled Review

Voted 5/5

A very well built headlamp with a watertight hermetically sealed battery housing. This headlamp has a locking feature that prevents it from turning on inside of your pack. The halogen bulb performs just like other halogens I've used, but I like having an LED that I can switch over to when I'm in camp.

The unit is a tad heavy for a trip where weight is at a premium, but otherwise this is the best headlamp I have ever used. Two thumbs up!!!
Posted Feb 23, 2003 11:11 am

bbenseUntitled Review

Voted 5/5

The model I bought was the Duo 3 LED and it would get
5 stars except for one thing. The headlamp is does not
swivel. For trail hiking at night, I really like to be able to
keep my head straight and have the light focused on
on the ground in front of my feet. I couldn't do that
with this lamp, I had to keep my head bend more than is comfortable. For a four AA lamp, the weight is reasonable.

Thanks to the next reviewer, I learned the headlamp does
indeed swivel. The mechanism is hidden, boy do I feel
stupid. I just looked at it, didn't see any obvious hinge
and assumed it didn't swivel.... DOH!
Posted Jun 15, 2003 11:49 am

ViatorUntitled Review

Voted 4/5

Not a bad headlight, though I had a few problems with an older gen one konking out on me. Solid performance, good design, but a bit pricey.

Oh, and on a side note, the headlamp DOES, in fact, swivel. I didn't even realize until sometime after I had it, because it's very stiff and clicky when you pull the lamp away from the plastic base plate that is mounted to the bands. But you can angle it down a good ways. In fact, you can aim it pretty much vertically down.
Posted Aug 29, 2003 2:53 pm

grandwazooUntitled Review

Voted 5/5

Absolutely love this headlamp, except that I have the external 4 ā€œcā€ size battery pack. Yes the batteries last for trip after trip after trip and the battery pack stays close to the body during those extremely cold climbs but it is heavy.
Posted Oct 27, 2003 6:44 pm

Augie MedinaGreat Lamp but Weighty

Voted 4/5

It's nice to get all the light you need with the halogen feature. However, for most mountain outings, all you need is the LED. The unit is large and heavy compared with other lamps that give adequate light in a much smaller package. But when I anticipate on an outing that I won't want to skimp on light, I bring the Duo.
Posted Oct 4, 2007 4:51 pm


Voted 5/5

I've a 14LED version. It's remarkable. I like the lock on the switch.
Posted Jan 18, 2013 8:34 pm

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