|DAC and CDM playing CD recorded with EQ|
Decided to recapped the unit a while back (before creating this blog) as it was taking atleast an hour to warm up and sound decent. Volume before the recapping was very low as well - really sounded tired.
Took the opportunity to do some part replacements along the way as the unit had a treble and bass roll-off when I was listening to it using my Accuphase and Meridians (later on those).
Anyway, the pix below is the resultant of my efforts.
I am using the 8000DAC with the 8000CDM (black tray), 8000T and 8000A (all true Brits). Such 8000A's were the last of the true Audiolabs with "F" in the S/N (aka before sold to TagMcLaren).
And I added a few heatsinks to the power regulators to reduce heat levels as well. In addition, two silver mica's were added as by-pass to the non-EC capacitors.
View the blog for my Audiolab 8000A at http://myoldvintagehifi.blogspot.com/2010/09/audiolab-8000a-serial-number-with-f.html to see and hear how the units perform together.
Recapped the EC in the PLL control section of the DAC located at the bottom LHS of the unit - 4*100uf 35V and a 47uF 16V, as the power supply filter to the LM317 could be better. Now working fine again.