@twoleftears I spoke with a few owners by DM, I emailed Doug Dale at CODA, and read some other posts. The bleed through issue is a known issue, maybe considered a feature and not a bug :). However, now that I have the LA4 I may send the 07x unit in for a look.
There was an issue with the 07x when I first received it. It was acting all haywire and I worked with Doug remotely to identify a loose wire on the volume control. Ever since that was fixed the unit has not gone haywire, just the bleed and some hiss.
The hiss is considered a whisper hiss, but I am really annoyed by it on quiet music. I sit 8-9 feet away and have been spoilt by my old all Benchmark stack which was noiseless.
I tolerate all of this because the unit does make magic with a lot of music. It was also essential with my RAAL SR1a headphones until I decided to use only the KRELL K-300i integrated with it.
The LA4 does not have the lushness to the sound that the 07x has but I now have options when I get annoyed by the 07x. It is easy to flip the XLR’s from one preamp to the amp.
@viber You are correct. I will use the CODA 07x when I compare the mods. I have also invited the person that heard the amp on my system before the mods to my house to hear the amp when it is ready. He said he will be excited to hear it. Hopefully we get it before early next week because there is a time component to what we are doing.