ESS amt 1am crossover [Archive] - Audio & Video Forums


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02-16-2006, 12:52 AM
I havce a nice pair af ESS amt 1am (1982 mod). There is a problem, when testing I can see a 9 db dropp in frequency at about 11 - 12kHz. Have even testet the AMT alone with same result,

Is this normal? Do I have to rebuild someting? (rebuild my crossover?) Is there any one who have a scematic for a new crossover?