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bstepp1

Interference In Electricity Through Sequencing

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This year I began using LOR to sequence instead of Aurora. Here is the situation. There is a lamp next to my computer. As I was creating a sequence I noticed when I played it back the lamp (the light bulb is turned on) which is not connected to a controller was dimming to the beat of the music (maybe to the bass sound). I tested this several times various times of the day with several sounds and this problem continued. As my show has been running this season I have noticed this phenomena with certain lights in my home. There must be some type of interferance......but I have no idea....the amperage that I am using on the display is significantly lower than needed.....if anyone has any idea.....do I need to buy some type of resistor and plug it between the outlet and the computer? Again I would appreciate any ideas....thanks alot

Sincerely

Bill

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This year I began using LOR to sequence instead of Aurora. Here is the situation. There is a lamp next to my computer. As I was creating a sequence I noticed when I played it back the lamp (the light bulb is turned on) which is not connected to a controller was dimming to the beat of the music (maybe to the bass sound). I tested this several times various times of the day with several sounds and this problem continued. As my show has been running this season I have noticed this phenomena with certain lights in my home. There must be some type of interferance......but I have no idea....the amperage that I am using on the display is significantly lower than needed.....if anyone has any idea.....do I need to buy some type of resistor and plug it between the outlet and the computer? Again I would appreciate any ideas....thanks alot

Sincerely

Bill

The bolded part, can you explain what you mean?

Generally, dimming lights is due to the current draw required for your display being too heavy for the allowable source. There could be other reasons, but that is a good place to start.

Some questions:

1. How much current is your display drawing?

2. What service does your house have, 100A, 200A, etc?

3. How do you have all your controllers plugged in (a dedicated electrical panel, outside outlets, inside outlets, etc)?

4. How "balanced" are your controllers for Current draw (current per channel, current per each half of your controller, current required for a complete controller), and do they match the total current allowable for the circuit they are plugged in to?

Edited by fan1080

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Thanks for the responce....

1. I use a spread sheet. I am running well under 25% of the total capacity.

2. 200 A

3. Each of my lines are single dedicated lines.

4. Vert balanced.

The issue began when I was sequencing and there was not any controllers connected to the computer. The light bulb on the desk began to beat to the bass sound of the sequence. I thought maybe the filament was "weak" so I changed the bulb. This did not solve the issue. I remember as a teenager when I put a booster on my car sound system there was interference of the engine. I had to buy a resistor.

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The only thing I can think of is that the circuit the computer and lamp are plugged in to is borderline maxed out. Then when the speakers need some extra juice to pound out the bass, the voltage drops a bit due to the circuit being overloaded (called a brown-out).

Do you have external speakers connected to the computer?

Try plugging the computer and lamp in separate (different) circuits.

You could have a more serious issue with your house wiring, such as a bad neutral somewhere, especially in relation to the specific circuit you are plugged into.

Not sure if there are commercially available line-smoothing products similar to alternator noise filters for cars.

ETA: Looks like there may be some power line residential power line conditioners out there. There are similar to surge suppressors. Some powerbars come with both surge suppression and conditioning. Try googling " residential power conditioner".

Another option would be a UPS. The better quality UPS' will have good power conditioning.

Edited by fan1080

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Thank you for the information. I reallly appreciate it. I am now reading about the residential power conditioners....they make sense.....

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