Googling "record player tube amp into guitar amp"
nets a butt ton of hits.
one of which says:
Quote:
Hey folks, thanks for letting me join your forums. Im a total amature at the tube amp game, but know enough that I can do some general stuff. Handy with a soldering iron. Given that I have a very old single tube amp with 1 25EH5 tube in it and thought it would make a very cool litte guitar amp, and a good starter project to enter in to the tub amp building world. First off is it possible to convert this small bit to a useable guitar amp?
And if so where do I start. Ive been unable as of yet to find schematics for it but could post a photo of the curcuitry
Thanks
Quote:
xbolanx, those little amplifiers were designed for use with a line level input(ceramic phono cartridge, CD, tuner, cassette) which is called a high level input. Guitar pickups and microphones have the exact same impedances known as low level inputs. You would need (for example) a separate pre-amp with a phono or microphone input so you could use a guitar with that amplifier. Otherwise, if you're electronic savvy, you would have to build one
Quote:
Hey, thanks for the advice, I was actually planning on using a mic preamp in line with it. The Idea was to make the apm functional and then use the +/- wires that extend to the Stylus (needle) and installing an XLR jack. then using the XLR out on the mic preamp and the 1/4 inch to plug my guitar into.
Since finding this little project I have also come across an ancient GE bakelite tube radio and was going to attempt the same. if the results to either were favourable I might concider building a preamp curcuit instead of using the mic preamp. Can you recomend a schematic for that ?
Quote:
you're going to have to remove the RIAA equalization circuit for proper frequency response. It'll probably be a RC network following the first gain stage...
A lot of the articles talk about removing the RIAA EQ circuit.
Dan
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