Author Topic: QMH lamp making noise on electronic ballast  (Read 498 times)
RCM442
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QMH lamp making noise on electronic ballast « on: March 02, 2023, 09:53:44 PM » Author: RCM442
I have a 70 watt GE halarc running on an electronic ballast. The lamp seems to be making the same noise the ballast is! Is this normal?
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Re: QMH lamp making noise on electronic ballast « Reply #1 on: March 02, 2023, 11:45:47 PM » Author: RRK
Probably OK. I have a Philips CMH (70W, elliptical E26, protected) which makes a tiny buzz. Not very loud, but noticeable in a quiet room. Mostly at run-up, quiets as lamp heats up. This lamp/electronic ballast combo was run for many years, no ill effects.
« Last Edit: March 02, 2023, 11:48:35 PM by RRK » Logged
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