Here is a photo of the 12 VAC transformer installed in the amplifier:
|12 VAC Transformer in Dirt Road Special|
I got the transformer at Radio Shack. It has a three Ampere rating. You can see that I have used heat-shrink tubing over the splices I made in the primary leads. Here is a photo of the amp with the replacement speaker installed:
|Electro Harmonix Mike Matthews Dirt Road Special Amp with GE speaker|
This is an early 1950s speaker I inherited from a guy who used to hold "record hops" in his barn a few miles from here. He had several of these speakers, each in a plywood open back box hanging from a barn beam. He ran speaker wires to them from a record player on which he played mostly 45 rpm records of tunes that were popular at the time. At any rate, I have been trying to find out more about the speaker for quite a long time. It has an Alnico magnet and is similar in appearance to a GE model S-1201D speaker illustrated in the following scan of page 7 of the February 1952 issue of Audio Engineering magazine.
|GE S-1201D Ad in Audio Engineering February 1952|