Manley Jumbo Shrimp upgrade


Would like to keep and upgrade my current Manley Jumbo Shrimp preamplifier.  Does anyone know of a competent tech who can accomplish this.  Considering $700-1000 worth of upgrades.  Thanks for input.

celtic66
The "positive results" mentioned have been somewhat skewed by the relentless commercial promotion of SR fuses by a few very motivated posters, who by themselves make up a large percentage of the "testimony" in the primary SR fuse thread. When I posted the simple question asking if anybody had a reasonable explanation of why these fuses work (the Athletic Supporters of SR stuff seemed likely to know the answer), it became clear there was simply nobody who has a clue about why Quantum Tunnelling or Graphene dust in a fuse would make any difference. My tests showed it doesn't, but then I didn't pay anything for my test samples.
The Wolf Man wrote,

(I don’t see why) Graphene dust in a fuse would make any difference.

Wolfie, maybe it’s because the Graphene is not in the fuse.

I'd suggest finding the competent tech sought after and ask them what to do.  Ask about a fuse upgrade and see what they say.  
wolf

Thanks for sharing that information with us. Seriously. Did you make it to the RMAF this year?

Modifications to the Manley Jumbo Shrimp should be very easy to do to because the main circuit board is on it’s side allowing you to access both sides of the printed circuit board. Don’t be shy to buy a solder gun and an auto-ranging multi-meter then watch YouTube "how to" videos to learn how to solder. I started modifying my own components a couple of years ago with no experience and now Parts Connexion and SonicCraft know me by name.

Start by upgrading the capacitors. Jupiter capacitors and Clarity Cap MR should yield very good improvements for a relatively low budget. Teflon caps are expensive but well worth the cost especially when using them to bypass power supply electrolytic caps (.22uf VCaps make a big improvement to the power supply).