Sunday, May 6, 2012
Allied Radio Corporation Knight "6 in 1" Kit
I was given many vintage items 3 weeks ago and yesterday I opened a box labeled as above. What a treasure. Its a single tube, 6 in 1 radio lab kit! I wired it today to act as a "wireless" code practice oscillator. It will transmit on the broadcast AM band. All parts were in the box with the exception of the tube. It uses a 6SN7GT. I will look for one at Dayton, coming up in the next few weeks. (5-14)Update: Thanks Jon Kedron for providing the tube required in this kit! I also plan to get either a kit or parts needed to build a QRP tube transmitter soon. I have built a Rockmite, Elecraft K1, now its time for me to go vintage and try my hand at some nostalga...Should be great fun! Below is a picture of it "wired" and ready...less the tube...Its very nice looking Hope it works, this kit is pre 1960's I believe
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This 6-in-1 kit like one I received for Christmas in 1955 - assembled it that afternoon and played with it almost non-stop. The Fhanestock clips were murder on child finger tips, suggest using a thimble or replacing them with something more finger friendly.
ReplyDeleteHi Dewey,
ReplyDeleteCould you please share a copy of the schematics for the Knight 6-in-1. I have info on he 10-in-1 but not the 6-in-1.
Tnx es 73, Rich KB8TAD
E-mail is my lower case call on this side@gmail.com
The instructions specified insulating the selenium rectifier terminals with electrical tape, from memory the transformer secondary was ~ 67vt RMS which could make for ~ 100vt at the input capacitor.
ReplyDeleteI had a lot of fun with mine for a few years. Adding an output transformer allowed it to drive a 5in. speaker to room level volume. Ultimately I substituted a thermistor for the tone control resistor in the code practice AM broadcasting circuit and repackaged it to make a "temperature telemetry satellite" for a science fair project (this being 1960).
Am considering building a new one from junk parts. Experiments that occur are to determine the lowest usable plate voltage and winding a series of RF coils on plug in forms to extend the receiver's frequency range. Given that the receiver is a regen, adding an RF amplifier might be a good idea if one is going to operate it much.