Current pricing for a modded SA7S1

  I have a Marantz SA7S1 with a modification package by Chris Johnson that was sold by Underwood HiFi.  It is a demo model but in good condition.  Anyone have any idea what I should be asking for this?  It was purchased several years ago for $5490 but I am not finding any currently for sale.  Thanks for any feedback!
I have a Marantz SA-11S1 that had the Ultimate Tube mod installed by Chris Johnson of pcX.
I tried to sell it a couple of times over the past few years, but finally gave up and kept it. I still use it as a back up.
The upgrades cost around $3400, but most folks were only willing to pay a couple hundred more than a used stock unit would go for.

Basically, modded units don't have much value on the used market.
This is a generalization, there will always be some exceptions.
Normally though, you will be very lucky to recover 10-20% of the cost of the upgrade.

Good luck.
Even worse, many audiophiles are moving away from spinning discs in favor of using their computers to feed their system.  The market for all spinners is shrinking!
I kind of doubt the market for CDs is shrinking since the market is mostly comprised of teenagers. 👫

@geoffkait What teens do you know who are listening to CDs?  Ironically, I know of a couple who have wetted their piggies in the vinyl pool, but CDs?  Nah.
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