can audiolab 8000s be 'tweaked' into more emotional sound?? - Page 2 - diyAudio
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Old 21st February 2002, 10:33 PM   #11
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Dear Traderbam (and Dex-Rex), I will be very patient. At the moment my hifi sounds rather good, due to the fact that I changed the cables from vdHull cs 122 to only copper VLS ultra high performance heavy duty cables (I think only known in the Netherlands); nevertheless their name they sound very good. Much better (in my setup!?) than the Transparent cables I tried, and much cheaper.
What the pcb concerns; I am afraid though I have maybe the patience, I have not the time. (Being a teacher in Holland is nice because of the kids, but for the rest it is almost day and night work nowadays.)

Dex-rex; can you tell me a bit more about the choke?

Thanks, Hans
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Old 25th February 2002, 01:01 AM   #12
dex-rex is offline dex-rex  Australia
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Dear Hans,
Choke or D.C.reactor is large inductivity device used to lower the supply ripple voltage.They are connected in series between rectifying diodes and supply filters(parallel fitted condensators).That`s called choke input filter or LC config.Choke itself is an energy storage device,and would never let the +rail run out of steam.Furthermore,choke forms a classic 12dB/oct. filter,which really filters any AC line noise!Diodes in supply are on less stress...But choke is relatively expensive,big,heavy and you will have some voltage drop on supply rail.Check them on
www.hammondmfg.com.Approximate calc is L=R/940 for 50 Hz(minimum value),the bigger the better.R is for effective resistance of the rail to be supplied R=E/I.I make my own chokes out of old,big EI transformers,with very loose calculation,and they are working good!
Greetings,
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