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I did some simple checks pf the Metallica disc DVD-A playback this evening, playing it on a DV-45a.
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Speaker menu settings:
Audio output: 5.1 ch
Speaker Levels tested:
a. variable (all levels at 0 dB boost)
b. fixed (= + 6 dB for all, according to manual)
Speaker installations tested:
a. 5 small/sub on
b. Front large /Ctr small/Sur small/Sub ON
c. 5 large/sub ON
Connection:
6-channel analog output to 6-channel analog input of Harmon-Kardon AVR 520
(the player's digital out is also connected to the receiver, but of course was not used for this test)
Main test track: 'Nothing else MAtters' surroudn DVD-A track. All other tracks tested for format.
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Summary of results:
- All tracks read as 3/2.1 channel, 96kHz/24bit ('DVD-A 5.1')
- there was always considerable output from the center speakers and subwoofers
- there was more bass from the sub when front speakers were set to 'small' than when set to 'large'.
In other words, it seems to be behaving normally.
Since 'fixed' and 'variable' behaved similarly (though naturally fixed was louder than my variable setting at 0 dB , because 'fixed' maxes out the level boost at + 6 dB), I'm guessing again that the original 'problem' -- report that the center channel was silent, or that the sub was silent/suppressed -- was either
1) improper speaker size settings, or
2) the speaker 'audio output' was set to '2 ch' instead of the correct '5.1 channel', or
3) different definitions of 'considerable output'. With my head near the center or sub, I could easily hear the output. I could *feel* the sub output from much further away. Of course, it helps not to play the msuic at ear-splitting volume, that way you can hear what's coming from each speaker more clearly.
4) faulty player
5) receiver issues
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