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Sylvain View Drop Down
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    Posted: 25 Aug 2013 at 10:52pm
Mr G Slee
I seek you here as I could not identify your further elaborations on our previous string discussion.
 
Some designers  say that avoiding capacitors and resistors along the signal path is useful to maintain signal purity...the technique they advocate is DC Coupling ad DC servo assisted ...
 
Can you assist me understand the concept application...please Sir!!!!Tongue
 
Thank you
 
S Jacques 
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BAK View Drop Down
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Points: 1831 		Post Options Post Options   Thanks (1) Thanks(1)   Quote BAK Quote  Post ReplyReply Direct Link To This Post Posted: 25 Aug 2013 at 11:46pm
See http://audio-forum.gspaudio.co.uk/phono-preamp-pt2-mc_topic1459_page7.html
 the servo application is discussed here by Graham.
It is definately not as good as a properly designed single supply, capacitively coupled, preamp.
 
Bruce
Bruce
AT-14SA, Pickering XV-15, Hana EL, Technics SL-1600MK2, Lautus, Majestic DAC, Technics SH-8055 spectrum analyzer, Eminence Beta8A custom cabs; Proprius & Reflex M or C, Enjoy Life your way!
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Fatmangolf View Drop Down
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Points: 9695 		Post Options Post Options   Thanks (0) Thanks(0)   Quote Fatmangolf Quote  Post ReplyReply Direct Link To This Post Posted: 26 Aug 2013 at 12:28am
Thanks Bruce, you have saved us from repeating the thread and answered Sylvain's enquiry.

It's limited compared to Graham and others here but my practical experience of working on and listening to DC coupled circuits suggests it is a lot of extra complexity when a carefully chosen capacitor will achieve the same end. The excellent sound quality of the GSP gear is pretty persuasive on the merits of the latter approach.
Jon

Open mind and ears whilst owning GSP Genera, Accession M, Accession MC, Elevator EXP, Solo ULDE, Proprius amps, Cusat50 cables, Lautus digital cable, Spatia cables and links, and a Majestic DAC.
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Sylvain View Drop Down
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Thank you all ....I truly and sincerely appreciate.
 
Sylvain J TTongue
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