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Today I hooked up a receiver and speakers and all went well. Then hooked up the CD and played a well listened to CD. SOmething was really weird. The female vocal voice had reverb and was recessed to the point it was almost totally lost. I suspected the speaker caps may have needed a bit of burn in as the speakers have been used in probably 5-6 years. But, I was not experieincing it on the FM or AM.
Listened throughout the entire CD and then decided to start checking things. Now, the receiver and CD both have 2-prong AC cords. Neither are polarized with different sized prongs. I reversed the CD plug and things were better. Then reversed both and all was well. I have never experienced the event before when one component was inserted reversed of the amp; usually just ended up with a hum or higher noise level.
Don Brian Levy, J.D.
Toronto ON Canada
Follow Ups:
Think it may have also been foretelling of another problem. Late last night the FM died on the right channel. Other inputs all okay.
SO, sadly, the little KLH 27 now sits beside my Fisher TFM300 tuner and TX300 amp, none likely to ever see the tech work bench under my watch.
Don Brian Levy, J.D.
Toronto ON Canada
Check the selector switch Brian. Might need some cleaning.
David
I did but nope. I noticed just before it went out it started motorboating and the vocal that playing started to sound like she was in a tunnel, then the channel went out. Checked AM, FM mono, photos and, aux and all are good. Still makes a nice amp, though.
Don Brian Levy, J.D.
Toronto ON Canada
If the plugs are reversed it is as if the singer is singing facing the wall behind the stage rather than out to the audience!
extensively. For two pronged power cords, he recommends changing the insertion of the power cord to achieve the lowest potential between the component chassis and the outlet ground. I am not sure if this is safe, but I did measure a different voltage when I tried different insertions. Of course, depending on the age of the component and the age of the house, a cheater plug may have to be used to swap the orientation of the power cord prongs. I am sure this will attract a few comments, but DeWulf swears that the the sound changes for the better, when the lowest potential is achieved for each component.
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