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3.5mm Stereo Audio Isolation Transformer image
 
(based on 2 ratings)
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Brand: Impact Acoustics
Located in: Isloation Transformers
Every installation technician has faced it or soon will - the dreaded humming from the speakers, a telltale sign of a ground loop. Ground loops are caused by voltage potential differences at the ground point on your equipment. Voltages in the range of microvolts up to millivolts or higher can cause ground loops. Ground loops occur when multiple audio/video components are powered from different outlets, most commonly outlets that are tied to different circuitbreakers or even a different secondary from the power transformer. Ground loops manifest themselves in the form of speaker hum.

Ground Loop Isolation Transformers from Impact Acoustics™ connect easily into your A/V system and break the ground path through cables between components. Start at the component last installed before the ground loop was discovered and connect the isolation transformer at different ends of the A/V cable until the ground loop is gone. We offer ground loop isolation transformers for composite video, S-video and component video applications.

Please note: While these transformers are designed to eliminate ground loops, isolating the source of the ground loop can be very difficult even for professional technicians. Now we recommend exercising patience while you work through test scenarios to eliminate your ground loop. While sometimes the problem is at the last component added or the furthest from the main system, these might only be symptoms of a harder-to-solve problem.

Features:
  • Frequency Response: 20Hz~20KHz
  • Gold-plated 3.5mm Stereo Jacks
  • Easy Connection using standard 3.5mm cables
  • Also available for Composite, Component, S-Video, and L/R Stereo applications
More information for the 3.5mm Stereo Audio Isolation Transformer
Review Snapshot®
Avg. Customer Rating:
 
5 stars
(based on 2 reviews)

[1 of 1 customers found this review helpful]

 
eliminates hum
By DMHVerified Purchaser from Ambler, PA on 12/4/2009
Pros:
Consistent Performance
Best Uses:
Home
Describe Yourself:
Enthusiast
Primary use:
Personal
Bottom Line:
Yes, I would recommend this to a friend

Comments about Impact Acoustics 3.5mm Stereo Audio Isolation Transformer:

I needed something to eliminate the hum from the output of my computer to the input to my HDTV. Before the audible was unusable. Now I get decent sound without having to ground or use the same outlet for the two components.

[2 of 2 customers found this review helpful]

 
Kills current loops dead.
By BroadwingVerified Purchaser from Los Altos, CA on 8/7/2009
Pros:
Consistent Performance, Durable, Easy To Use
Best Uses:
In The Car, Portable Devices
Describe Yourself:
Enthusiast
Primary use:
Personal
Bottom Line:
Yes, I would recommend this to a friend

Comments about Impact Acoustics 3.5mm Stereo Audio Isolation Transformer:

I use this for a different but related use. When I added an auxiliary line-in to my car's stereo, I found that while it worked great, any device plugged in to the car's 12v circuit would have noise from the alternator and engine electronics added in. Since this is a similar idea to a normal AC 'ground loop', I figured this would provide a good solution. It sure did! Didn't just attenuate the whine and hum, it totally eliminated it. Works as advertised.

Customer Reviews about the 3.5mm Stereo Audio Isolation Transformer at Cables To Go
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