Moving coil corrosion

Dthagerty@aol.com

VIP/Donor
Dec 31, 2015
81
60
208
Solana Beach, CA
My analog system consists of an AMG Viella TT with AMG 12” arm and Ortofon Anna cartridge. Pure sonic bliss! However about 12 months ago I started noticing intermittent noise that I initially thought was LP groove damage. At first it only occurred on rare LP’s but it got worse until I realized it wasn’t the LP’s. I rechecked arm and cartridge setup to no avail. Finally I sent the Anna to Peter Ledermann for repairs. He called me back and said that the coils were severely corroded and asked me where I live. I told him on a bluff about 80 ft above the ocean, and that metal corrosion is a constant problem.

He’s going to try to repair my Anna but he and I are both concerned that this is going to recur, and my Anna is only around 3 yrs old. I already use a TT cover and I’ve been struggling to think of a way to prevent recurrence. One thing I’ve considered is buying a new tonearm with a removable headshell and removing the cartridge/headshell after each use. Perhaps even storing it in a dessicator.

I’d appreciate hearing what people think about this solution or if there might be better solutions. I don’t want to give up my analog system!
 
Last edited:

Halcro

Well-Known Member
Dec 25, 2012
130
38
270
My analog system consists of an AMG Viella TT with AMG 12” arm and Ortofon Anna cartridge. Pure sonic bliss! However about 12 months ago I started noticing intermittent noise that I initially thought was LP groove damage. At first it only occurred on rare LP’s but it got worse until I realized it wasn’t the LP’s. I rechecked arm and cartridge setup to no avail. Finally I sent the Anna to Peter Ledermann for repairs. He called me back and said that the coils were severely corroded and asked me where I live. I told him on a bluff about 80 ft above the ocean, and that metal corrosion is a constant problem.

He’s going to try to repair my Anna but he and I are both concerned that this is going to recur, and my Anna is only around 3 yrs old. I already use a TT cover and I’ve been struggling to think of a way to prevent recurrence. One thing I’ve considered is buying a new tonearm with a removable headshell and removing the cartridge/headshell after each use. Perhaps even storing it in a dessicator.

I’d appreciate hearing what people think about this solution or if there might be better solutions. I don’t want to give up my analog system!
Try a cartridge with gold coils.
They don’t corrode.
 

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