Don`t know of any mods.But ARC may have an upgrade,contact them.Depends what model and age.You would be surprised what new caps and low noise resistors in the signal path can do for the sound.
I think that Great Northern Sound are specialists in this topic. On that, most of the upgrades or mods you can expect go back to replacement and tweaking of some sort...but the circuitboard itself remains the same. So, there are upgrades or replacements of spec parts can really be called a "mod."
You must have a verified phone number and physical address in order to post in the Audiogon Forums. Please return to Audiogon.com and complete this step. If you have any questions please contact Support.
