How badly does price drop for RIP manufacturer?


I have noticed posts of companies that have gone under. It is obvious that prices fall for gear from manufacturers that have gone under, but what happens to prices of gear whose restoration is practically impossible due to very specific components. Components that were made to order?
Examples of these might be things like:
The Sumo Polaris amps, that have a specific type of mosfet for the output stages.
Another example might be older gear, older Japanese RIP manufacturers like Sansui from the 70s.
Furthermore, the Spica speakers that had closed match tolerance drivers and perhaps crossover components.

Would you contemplate spending money, eventhough a minimal % of the original MSRP for gear that might die in the next sonic meltdown?
bemopti123
I think the Threshold people are still around and might be willing to work on the Forte if ever needed.
Art
Sansui is still in business although they keep a low profile in the US. There used classic products are still well thought of and garner respectible resell prices.

Since Platinum went out of business it has become difficult to find replacement parts for their speakers. Does anyone out there know where parts can be obtained? If so, let me know.
http://www.rsvlonline.net/vintageamp/archiveamps.htm

He's very good and can IMPROVE your amps performance.
The Forte while nice is very upgrade prone. For minimal $ you too can own a state of the art amp.

loon
After a long time passes, some gear becomes vintage collectors items and the price goes up above MSRP..