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In Reply to: RE: hovland hp100 posted by Blackdog on July 29, 2015 at 15:01:59
Thanks for the reply.
So the mention of volume controls with black resitors as opposed to later blues is a red herring?
ie black being liable to become noisy/pop and blue being good.
Follow Ups:
The resistors had nothing to with the good or bad volume controls. It was the switches that were made incorrectly. It is possible that the later blue resistor controls had correct switches. However there are also good controls with the black resistors.
Dan Santoni
One other thing.
As i understand it, tnere was one factory upgrade in tne production of tne hp100.
To the psu.
Is it still possible to obtain tne parts for this?
Is it a worthwhile update?
Cheers
The update consisted of moving some of the filament wires, putting in a few resistors (in the power supply and ground circuit) and removing the filter choke.
It was designed to get rid of ground loops in some systems. I don't know what effect it would have on the sound, I never did this "upgrade" to any units. I suspect if you don't have a ground loop problem, it probably isn't worth doing, but I don't know.
Dan Santoni
Thank you.
Much appreciated.
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