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Singing / harshness in Challenger 180
(03-22-2017, 05:01 PM)AudioValve Wrote:
(03-22-2017, 12:08 PM)Bernt Wrote:
(03-22-2017, 11:29 AM)Bernd Wrote: Hello Bernt,

for me need know, thats a prob from ECLIPSE or Challengers. Can you tell me please, what source you use, what Eclipse input you use and what VOLUME angel stay volume control on the Eclipse ??

thx Helmut

The harshness buss is there even after Eclipse is switch off.
 Input from Eclipse is Balanced (Audioquest Niagara XLR).  Volume around 9 oClock pluss minus an hour or so. I dont think I ever have had the Eclipse to 12 oCloc... I need to be in the room :-)

you think its a rising gound noise or a main power AC hum what you can listen after you switch OFF the Eclipse ? I remember that some 12AX7 have bad isolation between cathode and filament, I think its comes from the driver stage ... Can you swap one tube after other from left to right amp and hear what tube make its trouble ?
One more Bernt, Eclipse sound at the best when VOLUME pot stay higher then 12 o`clock and more ...
What INPUT you use by the Eclpse and what music source you listen most time ?
never chance a running system ...

Messages In This Thread
Singing / harshness in Challenger 180 - by Bernt - 03-19-2017, 01:43 PM
RE: Singing / harshness in Challenger 180 - by AudioValve - 03-22-2017, 05:45 PM

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