March 23, 2006

Hosa GLT-255

As an experiment, I purchased a Hosa GLT-255 adapter and found that it reduced the noise coming out of my Emotiva MPS-1 when I placed it into one of the amp module inputs. The noise did not go away completely, but it removed the noise being contributed by that connection to the Emotiva DMC-1. I received seven more GLT-255 adapters today, and have managed to completely rid myself of the noise.

What is interesting is that I cannot use GLT-255's on every amplifier module input. Placing a GLT-255 on three specific modules, which correspond to three specific channels from the DMC-1, removes the noise. Placing it on any of the other modules or channels has no effect. However, placing it on the left front channel, which is also the module closest to the MPS-1 power connection, introduces crazy amounts of noise, as with the ART T8. I suspect the T8 I purchased earlier and returned was in fact no defective, and instead my specific DMC-1 and MPS-1 units need to have the left front channel and/or that module grounded to each other.

Posted by josuah at March 23, 2006 6:33 AM UTC+00:00

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