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Customer Review

on November 8, 2011
When looking for an LED lamp as a more energy-efficient alternative to the halogen lamp I've had on my desk for years, I narrowed my search to the IMG Beacon 600LE and the Koncept Z-Bar. Having to buy a lamp for both me & and my wife, I got one of each and here's what I found:

IMG Beacon 600LE:
1) Much brighter than the Koncept Z-Bar as the IMG lamp has 8 OSRAM LEDs vice 4 OSRAM LEDs in the Koncept model.
2) Only two brightness settings which are not strikingly different. Although I thought this was a limitation, in truth my halogen lamp only had two brightness settings as well.
3) Combination of 4 white LEDs and 4 yellow LEDs which are all on in both brightness settings.
4) Lamp has to be kept a "crack" open for the lamp to turn on as there is a cut-off switch on the head of the lamp that turns it off when its closed entirely. Although the press pictures show a closed lamp lit in "ambience" mode, that capability was for an older model (per an email from the IMG rep.). This is not a deal breaker as it makes practical sense for the lamp to be open in order to keep the LEDs from overheating.
5) AC adapter converts to 24VDC and supports input voltages of 100-240VAC. So, while the plug style is U.S. 2-prong (no ground), the lamp can easily be adapted for overseas use.
6) Lamp head has a maximum forward reach of about 16" (40cm) from it's base, measured from it's center; the base is 9.5" (24 cm) in diameter. So, if you're looking to light up your desk, make sure you have the room on your desk and that the area you're trying to light up is within reach.
7) GREAT CUSTOMER SERVICE! Emails were answered promptly and all questions addressed.

Koncept Z-Bar
1) Less brightness than IMG Beacon 600LE; 4 OSRAM LEDs vice 8 OSRAM LEDs. When you buy a Z-Bar, you have to specify white OR yellow LEDs.
2) Four brightness settings which are visibly significant.
3) All LEDs (4) on in all brightness settings.
4) AC adapter converts to 9VDC and supports input voltages of 100-240VAC. The plug style is a U.S. 2-prong (no ground).
6) Lamp is VERY flexible in positioning the arm with the 4 LEDs and has more reach than the Beacon lamp. The provided metal base is 9" (23 cm) in diameter, but lamp also includes a desk-clamp which can be used instead of the base if you're limited on desk space. The clamp can fit a desk with a maximum thickness of 4.3cm (1.7").

Bottom Line: If you're looking for maximum brightness (and great customer service), go with the Beacon. If you're looking for a lamp with a lot of reach (and not so much brightness), the Z-Bar is for you.
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