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The core of products & after-sales
- The bulb life: The core of our products is to extend the life of the bulb. Because it’s easy to increase the brightness, and many businesses can do this.
- Production core: The core of our production is to produce big data. Through continuous collection of big data, engineers solved the problems of incompatibility, failure to start, and low brightness. High-quality raw materials are important, but production matching data is more important.
- After-sales: We will respond to customer problems within 12 hours and solve them quickly. Helping customers solve problems is what we are most proud of.
Bulb model: 915B403001 /915B403A01
Ctrl+F find your model
WD-60735 WD-60737 WD-65735 WD-73737 WD-73735 WD-65C9 WD-65737 WD-65837 WD-73736 WD-60736 WD-60C8 WD-60C9 WD-62530 WD-65736 WD-65835 WD-65C8 WD-73734 WD-73835 WD-73837 WD-73C8 WD-73C9 WD-82737 WD-82837 TV lamp
Bulb parameters
- Wattage：150W
- Life: 2500-3000 hours
- Period: 200 days
Extend the life of the lamp
1：Use ECO mode to reduce lamp consumption.
2：Do not exceed 4 hours each time.
3：Each use lasts at least 3 minutes.
4：Do not disconnect the power supply during use.
5：After shutting down, wait at least 60 minutes or the projector has cooled down before restarting.
6：After shutting down, make sure that the cooling fan stops before disconnecting the power plug.
7：Regularly clean the dust inside the projector and around the lamp, and replace the filter.
Bulb life test
We have a team that specializes in testing the service life of bulbs. Engineers will test the bulbs in different series and different environments. At the same time of testing, we will collect the data generated when the bulb is working, and update the bulb technology based on these data.
Brightness test
We implement a unique policy for the brightness of the bulb, the brightness index difference of each bulb is within 4% to ensure the consistency of the brightness of each bulb.
Color temperature test
We ensure that the consistency of the color temperature index of each bulb reaches 100%. and the color temperature remains unchanged within 3000 hours, the color temperature difference within 5000 hours does not exceed 2%.
Technology Application
We share light source technologies in different fields. for example, we apply the light and shadow technology of 3D architectural projection to projector bulbs and stage lighting.
Narendra Amarnani
2025-08-26 18:13:14
New story! Working awesomely!!! My anxiety is gone! I almost forgot that I had a problem. You are wonderful, Alice, COOBAN, for supporting me on this issue. It makes me feel good about myself that I can solve some simple problems with help. Where can I return the old bulbs for recycling?Old story: This bulb lasted less than a day. I was ok for few hours of viewing but next day I found it dead.I failed to request refund because I thought I did! Alas! It was wrong!I understood from Amazon.com CS that I should contact the supplier because it has 200-days warranty but they didn’t provide direct contact. So, I had to write this review. Hopefully, someone will contact me.
Kal Hassan
2025-08-21 18:19:42
It’s too early to predict its life expectancy… but the supplied bulb and housing unit fits the DLP TV perfectly. It fired up right away. I do have Tv set on Slow start and normal brightness as recommended. These settings are in the TV menu screen.A month later it’s still working.
Gary Shaw
2025-08-17 17:46:17
The lamp was packaged well and included a glove which is useful for keeping the lamp from being contaminated by finger oils. Installation was simple and took less than 5 minutes. The lamp is advertised as being 150 watts but the picture is just as bright as the 180 watt lamp it replaced. I ordered a cheaper lamp from another vendor and received a used, dusty, defective lamp. This lamp is obviously new and is working great. My aging TV has a new lease on life!
Customer
2025-07-28 10:08:46
This bulb made my TV much more bright than with the last bulb I had. I'd buy it again.***Update, the bulb burnt out after two weeks. Very disappointing ****
DAVE
2025-07-17 14:02:02
I bought my first bulb about a year ago it's still working. I use my tv a lot it's just getting slightly dim. I thought I would buy a new one because the holidays are coming and family etc so I wanted a fresh bulb. I have found this brand to work best for me. I have had oem Mitsubishi which are very costly and not worth the price. Cooban bulbs are reasonably priced and work excellent for my Mitsubishi wd65735 which was also costly when I bought it.... ridiculous seeing the cost of TV's now it makes me sick but what can you do. These bulbs allow me to keep that overpriced tv going. So I am happy.
Vpain32
2025-03-29 12:48:05
Bulb lasted 218 days. Too bad for me! 18 days past warranty. won’t buy or recommend product!
BR
2025-02-24 09:40:31
Easy install, perfect fit, great picture for the DLP that it is. Came with a small phillips screwdriver, cotton glove, instructions that made actual sense and well packaged!
KRO512
2025-02-22 13:11:26
First one I bought lasted a year before blowing out and shattering inside my tv. Second one I purchased flicked terribly. Third one I purchased lasted 2 weeks. Find another brand to replace your tv lamp.
M G
2025-01-10 13:15:18
This lamp not only increases the brightness of my bulb effortlessly, but it also tackles the most challenging aspect of bulb longevity - extending its life. Cooban has done it!One of the common frustrations when buying a new bulb is encountering compatibility issues. However, Cooban's engineers have solved this problem by continuously collecting big data and testing. This ensures accurate matching of production parameters, so you can rest assured that the bulb you purchase will work seamlessly with your device.What sets Cooban apart from other brands is their commitment to customer satisfaction. They provide a 200-day free replacement or full refund warranty service, which speaks volumes about their confidence in the quality of their product. With Cooban, you can always expect high-quality and practical service items.The Cooban Replacement Lamp, specifically the model 915B403001 / 915B403A01 with housing, offers perfect compatibility to ensure high brightness output and clear pictures. With a 2500-3000 hours lifespan in ECO mode, you can enjoy long-lasting performance without worrying about frequent replacements.Compatible with many models, including WD-60735, WD-60737, WD-65735, WD-73737, and many more, this lamp is designed to cater to various needs whether you have a WD-65C9 or a WD-82737.Since installing this lamp into my aging rear projection TV, I've noticed an appreciable picture improvement in contrast and brightness. I hope it lasts as promised. I will update the review if anything changes. So far, so great. The price is reasonable as well.Say goodbye to dim pictures and short-lived lamps, and say hello to Cooban's superior quality.
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