Hello all, I have used with greats results OPA627s (AP and BP) in DAC outputs and CDP outputs, I have recently switched to LME49710 and find them better. Is my opinion shared here ? Regards.

Hello all and happy new year ! SAA7345GP has a very poor bandwith, people say the CD711/721 should sound much better without. But how can I get the signal without it ? Is it possible to get a NOS CD721 ? SAA7345 schematics. http://matthieu.benoit.free.fr/cros...ets/SAA7345.pdf...

Hi there, I have took a look at the soundscape (odeum basic version) card with TG-link, and I wonder how to use it. I would like of course to use it with my Zhaolu D3.0; but I am surprised as this card has not speakers connexion, no CD-rom interface, no input (seems to have ouputs only)...

Hi there, I can not find the mistake I did today while tweaking this reader. I changed diodes for some BYV28-200 in order to connect some big (10 000µF 50V) power caps. I did not connect yet the big caps. Also changed many resistors and took care to put the good values, and some other...

Hi, I cannot fond pinout on my AD8620s ( they are 100% garanted to be originals). I need to know where are pins N°1 & N°4. would somebody give a hand ? Thanks !

Hi everyone, I am thinking to tweak a Sony CD payer, among other mods (caps, OP amps, bypass...) I would like to try better transistors. The original parts are: -"3901 5H" tripods (seem to be 2sc3901 "PNP / NPN EPITAXIAL PLANAR SILICON TRANSISTORS"). -"A144 ESF" small size tripods, I...

Hi there, Another OP issue. My father asked me to tweak a bit his old but not bad souding Akai CD player (PCM56 DAC), after opening it I've noticed to DIP8 OPs, both manufactured by Mitsubishi: -One 5218 7801 written on (could be M5128 OP family) -the other is 5221 7701 written...

Hi there, I wish to try some single OP amps to replace the well known OPA2604 in an analog stage, therefore I wish to know what good single audio OP amp are pin compatible with the 2604. Thanks in advance.

Hi there, I cannot find much information about this transport, do you know sites, blogs, tweaks and so on ??