Check on bama (boatanchor archive) and see if there is a manual there for it. http://bama.sbc.edu It's not specifically listed so the only place it might be would be in the schematic and spec section of early heathkit products at the beginning of the heath page. Some of these manuals require the deja vu plugin and I don't have it installed, so I didn't go any further.
Colt45 said:I've looked at all the usual suspects, and can't find anything apart from the fact that exists.
if it works, wtf do you need a schematic for? wait until it breaks..
Then once it is broken and you are desperate, you'll either have to junk it or possibly spend a whole lot more money to get the information you need to fix it. Better to find the information now - before you need it.
Eventually it is likely you will run across someone who has the information you seek. Have you checked Tannenbaum or eBay?
IMO $35 was a pretty reasonable price for a decent generator, spending a little on a schematic doesn't seem that unreasonable to me.
Another bunch of Heathkit resources, all without the AG-7 unfortunately:
http://www.vintage-radio.info/heathkit/index.htm
http://www.heathkit-museum.com/hvmtest.shtml
There are some forums that specialize in old heathkit gear, try joining one of these..
The AG-7 apparently is a bit obscure...
The AG-7 is a very early HEATHKIT product featured in their 1952 catalog which also include a (quite small) schematic. Tube complement is (all octal's): 6J7,6K6,6SL7,(2)6J5,6X5 for a total of 6 tubes,plus a 3W incandescent bulb for amplitude stabilisation. The AG-8 has a different circuit with only 4 tubes and no square waves.
Yes I just finished restoring a ag8. I love the old heathkit. Do you want to sell yours? I would love to restore a second one. The first one has lots of problems including a wiring error of the low output.happypalms@shaw.ca
I have an AG-7 and the manual
I have an AG-7 and the manual. I've been meaning to scan the manual. If someone needs it I might get around to scanning it sooner.
The AG-7 is a Wien Oscillator that uses a light bulb for amplitude control. very "standard" design.
BTW I measured the AG-7's output. Not bad under 1% THD and if you are carful you can calibrate the freq. dial to about 2% using a zero beat to the 60Hz mains
I have an AG-7 and the manual. I've been meaning to scan the manual. If someone needs it I might get around to scanning it sooner.
The AG-7 is a Wien Oscillator that uses a light bulb for amplitude control. very "standard" design.
BTW I measured the AG-7's output. Not bad under 1% THD and if you are carful you can calibrate the freq. dial to about 2% using a zero beat to the 60Hz mains
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