>Non-magnetic stainless steel alloys will work. Some are magnetic, as
>can be tested with a small magnet. These are the higher loss
>stainless steels, in which eddy current heating can be expected.
>Brass is certainly preferred, but for strength, it is not so good
>compared to SS. We try and use brass in big amp cabinets here, but
>sometimes are forced to use nonmag stainless bolts. They do work. By
>the way, nickle plated brass hardware is very common for usage also.
>
>Building side panels and chassis of stainless steel sheet is a way to
>lower the Q of your amplifier, unfortunately.
>
** is lower Q always undesireable? In the Henry 3K-A, the occasional
instability at c. 95MHz appears to be supported by the high-Q resonance
of the (Al) enclosure.
- R. L. Measures, a.k.a. Rich..., 805.386.3734, AG6K,
www.vcnet.com/measures.
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