Marantz model 7 restoration

[Leilei787]

Hi friends, I am trying to determine what to do with my model 7. I am not technical so need your opinion. I am comparing the original inside of the model 7 vs mine..so my machine was definitely updated at some point. However, I am not sure what those blue cans are. The original model 7 does not have those. I wonder if this machine needs another restoration or keep as it is. Thank you all

 

[ramjet]

They are electrolytic capacitors. The other electrolytic capacitors (aluminum cans) have been replaced as well as some of the small signal capacitors with "Orange Drop" Sprague pieces. If it works and you like it there is no need, in my opinion, to do anything other than use it.

 

[maxhifi]

Looks like someone already restored it. It should be fine for the foreseeable future.

 

[trainbuftony]

Looks like a tech has already been there.
I second the sentiment of "enjoy the music"
If it ain't broke, resist the temptation to fix it until it is broke.
It's hard,
I know...

 

[Leilei787]

Thank you guys! It works pretty good. Do you guys know if these refreshed parts are good quality components?

 

[ramjet]

Thank you guys! It works pretty good. Do you guys know if these refreshed parts are good quality components?

They are.

 

[maxhifi]

Yes those are good quality parts. The workmanship looks good too.

 

[bryans12v]

Not sure if it makes much of a difference but pretty sure those .47uf spragues were originally .22uf.