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Re: [Amps] Building an Amp 101

To: amps@contesting.com
Subject: Re: [Amps] Building an Amp 101
From: Jim W7RY <w7ry@centurytel.net>
Reply-to: w7ry@centurytel.net
Date: Fri, 17 Jan 2014 08:50:57 -0800
List-post: <amps@contesting.com">mailto:amps@contesting.com>
Agreed Ward! When you see an old piece of equipment, visualize it as an amplifier cabinet. How easy is it to make a new front panel? New back panel?

I've even bought old medical equipment for an amplifier cabinet (modern stuff is all plastic and not suitable) at surplus houses.

I used only a hack-saw, and saber saw (and during later phases of the project, a table saw with a aluminum cutting blade) to build this: http://s900.photobucket.com/user/w7ry/library/8877%20Amplifier?sort=3&page=1

Metal Supermarkets cut all the aluminum sheet to size for me: http://www.metalsupermarkets.com/

Its fun and you will learn ALLOT!!  Get er' done!
73
Jim W7RY


I had the
On 1/17/2014 8:33 AM, Ward Silver wrote:
A good source of excellent cabinets is surplus or junked lab instruments. Not necessarily electronic instruments - chemistry, medical, or any large instrument enclosure will do the job. These are made of superb materials and would cost hundreds of dollars if purchased new in single quantities. You can find them at hamfests, surplus sales outlets, sometimes even second-hand stores. Ask your club members to see if one is sitting in a basement or garage. Strip them to the metal (and save the various useful bits and pieces) and you'll have a fine amplifier enclosure. Cover the front and back panel with a sheet of aluminum from some other scrapped device - such as microwave ovens (see Jan QST) - and you'll have a good looking piece of equipment.

73, Ward N0AX
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