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Erlend Sæterdal  
#1 Posted : Saturday, November 5, 2011 4:38:54 AM(UTC)
Erlend Sæterdal

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Yesterday a got my speakers and heard my Buffalo II for the first time. The sound is just stunning. I have to work at bit with it because the sound is a little to the " cold " side.

My problem is when playing loud the SPDIF lock suddenly goes of and on. My voltage out of the Placids is 5,1 V and shunt current is 50 ma ( if I remember ). I use two Placids ! Think it must be the one for DVcc ?

Do I have to adjust the voltage up to 5,2 ?

Edited by user Monday, November 28, 2011 10:24:50 AM(UTC)  | Reason: Not specified

avr300  
#2 Posted : Sunday, November 6, 2011 1:36:13 AM(UTC)
avr300

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Define loud - earth quaking loud?

Is this only happening when playing loud? Can you get 10 hours of uninterrupted music when playing at modest level?

Almost sounds like a bad connection / solder joint (or a serious current draw from the power amplifier causing the mains to sag (not likely) ;-))
Erlend Sæterdal  
#3 Posted : Sunday, November 6, 2011 6:53:12 AM(UTC)
Erlend Sæterdal

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avr300 wrote:
Define loud - earth quaking loud?

Is this only happening when playing loud? Can you get 10 hours of uninterrupted music when playing at modest level?

Almost sounds like a bad connection / solder joint (or a serious current draw from the power amplifier causing the mains to sag (not likely) ;-))


Bad connection should be the sockets for the Trident AVCC modul it is not very good. I can play without problems by moderate levels. When very loud or very dynamic I get the problem.

My Power amp is a 400 W Class D . No problem there.
Russ White  
#4 Posted : Sunday, November 6, 2011 7:10:01 PM(UTC)
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You don't have to use sockets anywhere. Direct solder if you like, but you really should have no issues with the sockets.

I have never seen this occur before, but if I were to venture a guess I would start looking at ground issues and as avr300 said possibly some loose wiring.
Erlend Sæterdal  
#5 Posted : Sunday, November 6, 2011 9:30:07 PM(UTC)
Erlend Sæterdal

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Russ White wrote:
You don't have to use sockets anywhere. Direct solder if you like, but you really should have no issues with the sockets.

I have never seen this occur before, but if I were to venture a guess I would start looking at ground issues and as avr300 said possibly some loose wiring.


I have 1,1 ohm in series with each ground at the 6 different inputs ! Could also be the input selector. On the selector there is 100ohm and a capacitor to ground with an unsure contact to the cabinet. So you do not think it can be something with the output voltage of the Placid.
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