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Hum starting between -85 to -80db
#1
I've just replaced my Oracle Delphi with 345 SME arm and Ortofon Cadenza Black Cartridge with a VPI Aries 3D and Dynavector DRT XV-1s (12" 3D arm).  

In between -85 to -80DB I start getting a hum (from the woofers).  It builds up almost like the cartridge is picking up the phonics.  Its repeatable.  I don't let it get to far in to the hum before I'm cranking back the volume to -80.

My speakers are not all that efficient (86) so listening at that level is not uncomfortable.

Is there a setting that I might need to consider changing (like low level filter) or something similar?

With the cartridge/arm off the record, I can turn up the volume to well over 0 with no noise at all. 

Any suggestions most welcomed.

Jim
---------------------------------------------------------------------------------
Roon for life, VPI Aries 3D le/Dynavector XV-1s, 1000 Pro, KEF Blade Two
Okanagan, British Columbia
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Messages In This Thread
Hum starting between -85 to -80db - by Jim_Anderson - 17-Apr-2017, 21:33
RE: Hum starting between -85 to -80db - by G51 - 18-Apr-2017, 12:14
RE: Hum starting between -85 to -80db - by ogs - 30-Dec-2017, 10:06
RE: Hum starting between -85 to -80db - by ogs - 05-Jan-2018, 11:38

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