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Author
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Topic: sound head
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Maurizio Di Cintio
Jedi Master Film Handler
Posts: 977
From: Ortona, Italy
Registered: Jan 2004
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posted March 15, 2012 04:05 PM
The early symptom is usually a strong loss of high frequency output. As wear increases, the gap, a microscopic seam in the head surface, the thinnest part of it, will eventually crack and no sound will be audible any more (just background noise).
The process is much faster with Eumig balance stripe heads (Models 926, 932, 934, 938, 940), because they are really thin and small; in some cases they were so poorly built the permalloy layers they are made of (usually two, for balance) simply split from each other, without actual wear, which made it impossible to use anyway...
Why are you asking?
Keep in mind a dirty/magnetized sound head may give you the impression to require replacement. So first gently clean it with a cotton swab moistened with some isopropil alcohol (never use metal object on or near magnetic heads!). Usually this fill fix the problem. Good luck!
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Maurizio
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Hugh Thompson Scott
Film God
Posts: 3063
From: Gt. Clifton,Cumbria,England
Registered: Jan 2012
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posted March 16, 2012 05:19 PM
Hello Alex,in answer to your question,yes there are at the following
addresses; SUMMERTONE LTD., WOODSIDE,
98 SCATTERDELLS LANE, CHIPPERFIELD, HERTS WD4 9EZX
Tel; 01923 263220
and also HEAD TECHNOLOGY, 11 BRITTANIA WAY, STANWELL,
STAINES, MIDDX, TW19 7HT
Tel; 01784 256046 (The last time I tried this number it didn't
receive incoming calls, so write first)
I have used both of these companies and they are excellent
and the charges very reasonable.I would have no hesitation
in recommending either. If you have a soundhead in need of
some TLC get in touch with them.
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