@IRON HORSE posted:No, Mike, I don't think so because both transformers were made by the same company, just different watts, I'm pretty sure one is just a little defective with that annoying whine. I have the whiny one reserved for, as Bill Sherry suggested, the outdoor mice. The 600 watt unit powers lights wonderfully on the layout.
I have several Menards buildings and the only whiny one is the Red Owl. As I stated on a different post on the same subject, I think it is the flashing light that causes it. And I will probably disconnect it and put in a solid LED light. The Miller Engineering signs I have may have a slight minor whine (that I don't hear)-- but nowhere near my Red Owl whine. I'm a fan of Menards, warts and all because they offer the best valuable in the hobby for what they sell. They have cool buildings and good customer service and if there are issues with the electronics, you can either modify them or exchange or return them -- which this post confirmed at the beginning. So I do agree you get what you pay for.
What device do you use for non blinking led control?
