Thanks for the post.  I may have very well installed the OPA627 incorrectly.  I removed the riser sockets from the top of the female socket in the 2 location per your pic on the previous post.  I then inserted the OPA627 on each socket but no adapters or OPA627 underneath the board.  The pic you...

This is a rudimentary question:   I have the Opamp 627 to install in my D1.  I plan to only use the chip for the headphone as this is my only  method of using the D1.  Does the Opamp seat firmly into the board?  I am having difficulty seating the chip and thus getting a lot of...

Thanks spritzer!   Will go with your recommendation.  I wonder why the ED-1 was part of the set? Perhaps it can be sold on Audiogon..   Kind Regards,   Patrick

There is a pre amp out

I have been using a Wadia Ipod Dock with a Peachtree Decco Intergrated Amp/DAC.  The Decco has many digital/analog inputs and analog speaker outs.  This has been sufficient until today when someone gave me a pristine set of: Stax SR-Omega and two black boxes:  ED-1 Monitor (Lamda) and a Tube...