Vintage Asylum

RE: What did you do to the three big cans on top? Fisher

174.29.27.63

PeterI

In Reply to: RE: What did you do to the three big cans on top? posted by Michael Samra on May 29, 2014 at 13:37:09

With the three Fisher units I did years ago, none of the can caps needed replacement after reforming. They measured good, with no hum. I didn't want the chassis to have a big kluge, with new electrolytics hanging, so I left them alone. Never a problem in mine. 800C, 500B and Fisher console amp.

YMMV

Follow Ups:

RE: What did you do to the three big cans on top? Fisher - Jim McShane 06:32:57 05/30/14 (5)
It's not a question of IF they will fail, it's a question of when. With all due respect I believe that parts that have aged beyond their typical lifespan should be replaced. And the good news is the new parts are FAR superior in nearly every case. With a bit of care and creativity I find that you can install parts that while not original in appearance DO look "right" in the unit you are rebuilding. When I assemble the parts kits for the various units I do take into consideration how the unit will look when it's done, and sometimes a bit of compromise in one area will benefit another.

That's my $0.02 worth anyway.

Hey Mikey Samra - I've been popping Claritin like candy this year too, and I'm doing fine allergy wise. But hanging on to my youth - errr, not so much. I hit the big 63 TODAY!! And that big expensive present you bought me hasn't arrived yet, but I'm sure it will! :~)
- RE: What did you do to the three big cans on top? Fisher - Michael Samra 17:55:56 05/30/14 (0)
  Don't feel bad.I hit the big 56 in a couple weeks.I'm popping Zyrtec which is pretty much like Claritin but I've been using a nebulizer which helps a lot.
  
  Honest amplification is better than excessive 2nd order distortion anytime.
  - http://www.cs-healthinfo.com/allergy-season-and-how-to-use-a (Open in New Window)
- RE: Quick question - Russ57 11:18:20 05/30/14 (2)
  Do you offer a "parts kit" for the power supply caps for a Fisher 400? Never thought to ask....just "assumed" you only offered kits for the citation.
  - He has kits for - Michael Samra 07:10:42 05/31/14 (0)
    Citations
    Macs
    Eicos
    Fishers
    Scott
    Sherwoods
    and more
    
    Macs and Citations are his most common of the bigger stuff I would guess.
    
    Honest amplification is better than excessive 2nd order distortion anytime.
  - RE: Quick question - Jim McShane 12:37:21 05/30/14 (0)
    I have kits for most of the common Fisher models Russ - including the 400. Thanks for asking.
- HBD! nt - geoff 08:02:28 05/30/14 (0)
  ,
RE: What did you do to the three big cans on top? Fisher - Michael Samra 18:21:49 05/29/14 (0)
Pete
This one isn't mine and I have six if my own however,there is only one underneath that I put in separate and it actually better than it did originally if you saw that big ugly paper electrolytic.The red one is a poly in the tuner which makes a big improvement.I did replace the brown one on the angle with a physically smaller cap and ran short wires and now it looks even better..THe can caps are ticking time bombs after 50 years...They fail without notice like a 90yo woman with a heart condition.

Honest amplification is better than excessive 2nd order distortion anytime.

Edits: 05/29/14

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