re capping

I am restoring my highly Modified Old Sumo Nine right now, It took a lightening strike a few years ago and I have missed it. In 1983, we put what at the time was a very nice Panasonic electrolytic in the power supply, they were an 85 degree part. It was never turned off for most of those years. While repairing this amp, I figured why not, while its open, I’ll replace the caps... I found nice caps with double the capacitance and lower esr to replace them.... The point is, To my surprise, we measured the old Panasonic caps. their values across the board were still in spec. You just don’t know. My experience has been, that when caps sit without a charge, that is when the tend to dry out. I have never had a cap failure and I do not EVER turn off my solid state gear. (when I owned tubed gear, it was always turned off after each use). I have always been under the belief that it is the charging and discharging caps that is most damaging to them. 

@kosst_amojan     Very nice of you to put it that way to me... So, I've clearly never owned the PURE Class A amplifier that I just referenced that I am currently rebuilding?  I am changing the 85 degree caps to 105 degree caps, but I haven't shoved any big cheap caps next to hot diodes. I hope that can be repaired for you.  I guess since it is "My Experience" you could call it anecdotal, but either way, it is 100 percent true.  Is it ok to use to many periods......  or is it just commas that are the problem? And yes,  ESR and Capacitance were both measured.  I saw no reason to measure leakage current since there was no loss of ESR or Capacitance, all caps looked great..... 
I am ok with others having more knowledge about amplifiers than I do.  I am a speaker guy,  but I still do not belittle people about what they might not know about speakers. 

@g_nakamoto... I apologize, I did not intend to have your thread go awry. 
 @kosst_amojan       Leaving an amp on all the time sounds better, period.
 Again,  I didn't turn it off for years upon years and caps measured at spec.  As, I'm sure that you know, caps with lower ESR should sound better, even thought spec'd at 105 degree parts vs 85 degree parts,  ESR was significantly lower.  
Yes,  it gets expensive and HOT in the summer.  I have a Class D amp that I made with Abletec modules that actually sounds quite good.  I ran on occasion and am using it now until I finish the old Sumo Nine,  but even while owning the Class D, I kept the Sumo Plugged in. 
The F5 is a nice sounding amp.  One of my best friends used it with Tektons and is now using a DIY version of the Aleph J. I wish that it was a bit more power, I'd give it a try.  I could use it with one set of my speakers, but it would be just ok with my other 2 sets.  I have a 12 inch 2 way with Heil AMT that is 4 ohm and 95db sensitivity, I have an MTM which is 4 ohm 88db sensitivity and I have a 10 inch 3 way that are 8 ohm 86db sensitivity.  My Sumo originally had 4, 10,000 mfd caps, it is now getting 8, 22,000 mfd.  With the beefed up power supply and a bit of re biasing now does around 80 to 8 and 160 to 4.