
GE
GE CMH20MR16/830/FL 1 MR16 Ceramic Metal Halide Lamp 20W
★★★★★
A 20W ceramic metal halide MR16 that delivers 1000 lumens of warm, color-accurate light for precise accent and display work.
$27.19*$28.80Save 5%
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Overview
Specifications
Brand
GE Lighting
Model
CMH20MR16/830/FL 1
Light Type
Ceramic Metal Halide (CMH)
Wattage
20W
Base Type
GX10 Turn and Lock
Lumens
1000
Color Rendering Index (CRI)
80
Color Temperature
3000K (Warm White)
Beam Angle
25 Degrees (Flood)
Average Rated Life
12,000 Hours
Operating Voltage
95V
Pros & Cons
👍 Pros
- Produces 1000 lumens from just 20 watts, delivering outstanding efficacy for small-form-factor accent fixtures.
- The 3000K warm white output renders skin tones and warm materials naturally without the harshness of cooler sources.
- At 12,000 hours rated life, it dramatically reduces maintenance cycles compared to halogen MR16 alternatives.
- The compact MR16 form factor fits into tight display and architectural fixtures where larger lamps cannot reach.
- Ceramic metal halide arc tube maintains more consistent color temperature over its lifespan than quartz metal halide equivalents.
👎 Cons
- CRI of 80 may not satisfy applications demanding critical color accuracy, such as gallery lighting or on-camera work requiring 90+ CRI.
- Requires a dedicated CMH ballast, adding cost and complexity compared to drop-in halogen or LED MR16 replacements.
- The GX10 base limits fixture compatibility — you cannot swap this into standard bi-pin MR16 sockets.
- Metal halide lamps require a warm-up period of several minutes to reach full output and cannot be instantly restruck after power loss.
- The 95V operating voltage through a ballast means this is not a simple retrofit into existing halogen track systems.
Frequently Asked Questions
What is the color rendering quality of this lamp?
It carries a CRI of 80, which provides good color accuracy for retail display and architectural accent applications, though it falls short of the 90+ CRI preferred for critical on-camera lighting.
What base type does this lamp use?
It uses a GX10 turn-and-lock base, so you need a fixture with a compatible GX10 socket — standard MR16 bi-pin fixtures will not accept it.
What beam angle does this lamp produce?
The flood designation delivers a 25-degree beam angle, producing a focused but usable spread ideal for accent lighting, display cases, and spot highlighting in architectural settings.
What is the expected lamp life?
GE rates this lamp at 12,000 hours of average life, which significantly reduces re-lamping frequency compared to standard halogen MR16s in high-use commercial environments.
Does this lamp require a ballast?
Yes, as a ceramic metal halide source it requires a compatible 20W electronic or magnetic ballast designed for CMH lamps — it cannot be plugged directly into a line-voltage socket.