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Those old electrolytics are probably responsible for many of the failures...

These early caps deteriorated quite rapidly and caused numerous problems. Tube equipment used paper and film caps and those were more reliable.

I suspect that once updated with modern caps, these amps should be as reliable as modern units.

I believe the reason JBL dropped the line was economics. They were acquired by the Jervis Corporation (precursor to Harman International), and the new owners decided to kill the electronics line as it was not the company's main business. It also would compete with Harman/Kardon as the products had similar marketing targets.

Also, manufacturing in the US was starting to be threatened by the Japanese around that time. Perhaps it made no sense to the investors to continue the line.

However, the patents held by Locanthi were used by most Japanese manufacturers.

Pioneer ended up hiring Mr. Locanthi by the mid 1970s.


Edits: 10/11/09 10/11/09 10/11/09
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