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reallyconfused
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Post subject: More of my grandfathers stuff Posted: May Fri 11, 2012 12:47 am |
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Joined: Apr Sat 28, 2012 10:47 pm Posts: 12
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codefox
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Post subject: Re: More of my grandfathers stuff Posted: May Fri 11, 2012 1:13 am |
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Joined: Nov Sat 27, 2010 6:15 pm Posts: 3677
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Neat old stuff, but I'm afraid you aren't gonna get much. Donate to local radio club and that would be good. Scrap copper from transformers worth a little bit, much more if they're good, someone wants them.
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reallyconfused
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Post subject: Re: More of my grandfathers stuff Posted: May Fri 11, 2012 1:21 am |
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Joined: Apr Sat 28, 2012 10:47 pm Posts: 12
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Im not looking to sell it. If some of this is no good or not safe ill get rid of it(not yet knowledgeable enough to know). The rest will be kept for future use, or at least the possibility of being used.
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Tom Bavis
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Post subject: Re: More of my grandfathers stuff Posted: May Fri 11, 2012 1:22 am |
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Joined: Jan Thu 01, 1970 1:00 am Posts: 3869 Location: Rochester NY USA
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The two amplifiers in the second picture can bring a few hundred each on eBay if properly identified and described. The Heathkit AM tuner MIGHT be interest to a collector - the FM ones are common as dirt, AM not so much.
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reallyconfused
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Post subject: Re: More of my grandfathers stuff Posted: May Fri 11, 2012 1:28 am |
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Joined: Apr Sat 28, 2012 10:47 pm Posts: 12
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Like i say this stuff isnt for making me money. Ill be using it to learn and play around with. He built the amps(i think) so no model number and i dont have a clue what they as to the output. A couple pics of the bigger amp.   after you post i now know the radio isnt worth much. makes me feel better about using it as a first project radio.
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K7MCG
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Post subject: Re: More of my grandfathers stuff Posted: May Fri 11, 2012 2:12 am |
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Joined: Jan Thu 01, 1970 1:00 am Posts: 2053 Location: Seattle WA US
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The Heathkit in your photos is not a radio, but an AM Tuner - that is a radio without and audio output amplifier, intended to be used with an external amplifier and speaker. The heathkit tuner design required an external loop antenna - instructions on how to make the loop were included in the kit manual. The heavy amplifier with the Acrosound transformer may be one of the designs published by Acrosound. If you send your email address I can send you a scan of the brochure with these designs. I'm sorry to disagree with Codefox, but the amplifier with the Acrosound transformer and possibly the Triad transformers from the other amp would bring significant cash on ebay.
--Chuck
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reallyconfused
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Post subject: Re: More of my grandfathers stuff Posted: May Fri 11, 2012 2:16 am |
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Joined: Apr Sat 28, 2012 10:47 pm Posts: 12
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So would the heathkit be a good first radio to mess with? Im sure this speaker pictured above went with it. My email is DavidCobb@hotmail.com Thanks in Advance.
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PBPP
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Post subject: Re: More of my grandfathers stuff Posted: May Fri 11, 2012 4:55 am |
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Joined: Jun Tue 21, 2011 8:27 pm Posts: 2214 Location: Virginia
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Your grandfather did some nice work. Hope you can follow in his footsteps. And yes, the Heathkit AM tuner would be a pretty good candidate to begin with. If you don't have the manual, I'm pretty sure you can find it online.
Make friends with the hams in your area. I'm sure there's a club close by. Nothing beats one on one, personal advice. Most hams are more than happy to help a novice.
Best of luck, ~ Mitch ~
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mescalero
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Post subject: Re: More of my grandfathers stuff Posted: May Fri 11, 2012 5:11 am |
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Joined: Feb Thu 24, 2011 1:29 am Posts: 2816 Location: Dallas, TX - in the city but with bobcats and coyotes
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And get one (or both!) of those nice amps working. Use one to amplify the AM tuner. Enjoy as your grandfather enjoyed. -priceless. 
_________________ In a triode, no one can hear you screen.
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Big Harry
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Post subject: Re: More of my grandfathers stuff Posted: May Fri 11, 2012 1:55 pm |
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Joined: Nov Wed 07, 2007 12:44 am Posts: 1640 Location: Hawthorne, Ca
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There is no way I would scrap those amplifiers as just the Acrosound output transformer is worth big bucks. I would say to rebuild the tuner and the amps and use them like your grandfather did. Harry
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Lou deGonzague
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Post subject: Re: More of my grandfathers stuff Posted: May Fri 11, 2012 2:02 pm |
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Joined: Jan Thu 01, 1970 1:00 am Posts: 7082 Location: Latham NY
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reallyconfused
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Post subject: Re: More of my grandfathers stuff Posted: May Sat 12, 2012 1:31 am |
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Joined: Apr Sat 28, 2012 10:47 pm Posts: 12
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mescalero wrote: And get one (or both!) of those nice amps working. Use one to amplify the AM tuner. Enjoy as your grandfather enjoyed. -priceless.  They all work. Well most work. I know the 2 preamps and 4 amps with the fisher work. Its more a matter of safety. Thanks for the info Chuck
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N0BST
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Post subject: Re: More of my grandfathers stuff Posted: May Sat 12, 2012 3:42 am |
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Joined: Jan Thu 01, 1970 1:00 am Posts: 1003 Location: Cambridge MN USA
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That larger chassis looks more like a power supply.
Scott Todd
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Hemingray
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Post subject: Re: More of my grandfathers stuff Posted: May Sun 13, 2012 3:07 am |
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Joined: Nov Tue 25, 2008 12:47 am Posts: 381 Location: Evening Shade, AR USA
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I'm curious about that 300 to 72 ohm transformer. Why 72 ohms instead of the common 75? What used a 72 ohm in/output?
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Jack Shirley
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Post subject: Re: More of my grandfathers stuff Posted: May Sun 13, 2012 2:03 pm |
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Joined: Mar Fri 14, 2008 1:40 pm Posts: 8563 Location: SE USA
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In the early days of CATV 72 and 75 were somewhat interchangeable. Even the venerable Jerrold 704B field strength meter had its input labelled as 72 ohms as did many of their products at the time. Here's a 704B: http://cgi.ebay.com/ws/eBayISAPI.dll?Vi ... 0739036310
_________________ The beatings will continue until the morale improves
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