The first thing I would do is try a different pair of speakers that are known good. Assuming there is no damaged equipment, the problem is with the speakers. I've worked with several pairs and have owned the 802 S3's. They have the same setup for the mids and highs that your 801's have. The high frequencies on those speakers are extremely difficult to live with. I tried just about everything you can think of to get good sound and had little, to no success. One thing you can try is to go over all the screws on the cabinet and make sure they are all tight. They loosen up over time. Also look at the tweeter grill very carefully. Some people remove the grill (you're not supposed to). Make sure its secure.
Problem with New System - Diagnosis Sought.
Just put together a new system from here and Craigslist. Consists of my long-time owned NAD T550 DVD player/Krell KAV-250p preamp/Krell KSA-250amp/B&W 801 series3 speakers.
Problem: Noticable in choral/vocal works in high register around just one frequency coincident with the singing, there is a chirping sound. Like crickets on a summers night or a high pulsating whistle.
Sounded to me like a loose tweeter vibrating, but sound comes from both tweeter and mid-range driver and from BOTH channels. It's there at low volume as well as high.
Problem: Noticable in choral/vocal works in high register around just one frequency coincident with the singing, there is a chirping sound. Like crickets on a summers night or a high pulsating whistle.
Sounded to me like a loose tweeter vibrating, but sound comes from both tweeter and mid-range driver and from BOTH channels. It's there at low volume as well as high.
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