Hi guys, some changes to our initial thoughts of what could be offered:
First of all, the clock upgrade and digital input will have to be separate. I am embarrassed to have to come back and say this, but further research concluded that the initial intent was not actually feasible - i.e. a digital input/clock module for ANY frequency.
We can add a RCA (SP-DIF) digital input to our player and DVD/Blue-Ray player mods. The MWTP (Transporter) already has all of these capabilities, therefore would not benefit.
We could also look into designing a separate clock circuit also. The ideal intent was to consolidate such a combination of clock and digital input circuit, hence the $750 proposed price. Just adding SP-DIF (RCA) digital input would be less.
As far as adding multiple inputs, perhaps not necessary or desired.
At this point, I am thinking of simplifying as follows:
A single digital input, SP-DIF (RCA) for any of our modified players, DVD, blue-ray, etc. There would be a simple toggle switch to select external digital input or internal (i.e. regular CD/DVD playback).
USB remains a conundrum for me as from what I can see, most implementations of this format are inferior to SP-DIF. There is of course the convenience factor and I realize that there are a number of 'asynch' options that allow 24/96 and even 24/192 and do so very well. My listening experience has proven SP-DIF digital inputs to still sound best however. Having said this, there are many relatively inexpensive options of converting USB to SPDIF for use with any DAC, thus allowing for this data format even for DAC with SPDIF only input.
This project goes hand-in-hand with the DAC that we are designing for our LS 100 'DAC option'. At this point, I have only designed for SP-DIF input...
Question to all of you. How would a lack of USB input effect your decision to opt for this upgrade? Do you consider USB to be a must?
How many of you are using computer-based audio systems that would require a USB connection?
I am trying, as always, to offer the highest value, highest performance option possible. If cost were no object, then many things are possible. As this is not the case, I am forced to look diligently at this project path and I welcome your feedback as you REPRESENT our customer base.
Sincerely,
Dan W.