The electrolytic capacitors in my Citation are at end of life. One has failed and most of the rest have lost about 1/3rd of their capacatance.
The old twist-lock caps are virtually impossable to get. NOS is probably not the first choice with electrolytics. There are some being made today but they are silly expensive.
This amplifier is becoming collectable so keeping it looking OEM has some value. Mine is no garage queen, it gets fairly heavy use.
Since getting new twist-locks looks like it will cost more than 1/2 of what decent Citation 5s are going for on eBay I probably won't be doing that. The two options which I am now considering are Jim McShane's kit and one from a guy named Sheldon Stokes. http://www.quadesl.com/refurb/refurb_hkCitation5.html
Jim of course is regarded the Harmon Kardon Guru and his kit includes computer grade caps with mounting clamps. In Jim's kit the first stage of the filter is increased to a whopping 400 microfarads vs. Sheldon's 235 microfarads. This stage supplies the anodes of the final stages so the extra energy storage is appealing. In the following stages Jim's kit offers 100 microfarads vs. Sheldon's 235 microfarads.
In Jim's kit there are more capacitor cans than in the OEM setup and I haven't seen a picture of the installed kit. Sheldon's kit uses a circuit card with PC mount capacators. The installed picture he provides looks very sanitary although not like 1960 electronics.
One other difference is that Jim does not provide bias adjustment for the output tubes and Sheldon's board has a home for the bias adjustment pots. In an earlier freshening up of this amp I felt the need for the bias adjustment and RTVed bias pots to the ballance pots. It works and doesn't look too bad but in the light of what this amp is now worth I'll want to refine that a bit. Sheldon's kit will do that.
Any Thoughts? Also are there any more kits out there which I should consider?
Of course I could search out the parts my self and likely save some money, but even as an old retired guy the time would be more than either of them are getting. The price is similar for either Sheldon's or Jim's. Jim gets about $100 and Sheldon sells the board for ~$50 and he provides a BOM with Mauser's part numbers and prices. The parts cost to stuff the board is about $50.