Danalog Posted December 8, 2010 Share Posted December 8, 2010 Can anyone provide me any information on this tube amp? It has the following tubes: 2A3 (2), 6SN7 (2), 6SC7 (1), 5X4G (1), N7GT (1) The first knob from the left is an on/off switch, then the following 4-5 knobs are on potentiometers, perhaps this is an old multi-channel P.A.? Thanks! Quote Link to comment Share on other sites More sharing options...
tube fanatic Posted December 10, 2010 Share Posted December 10, 2010 Looking at your pix, I'm not sure if this is a commercial amp, or one that someone built (probably from the 40's to early 50's). The 4 jacks on the side and 5 controls to the right of the on/off switch suggest that it could mix multiple inputs, so it may have been used for PA purposes in an auditorium, school, etc. If you give me the # of the UTC transformer I can reference that- it may be an interstage or output transformer. The two matching components behind the power transformer appear to be chokes for the power supply. What's nice is that it appears to be totally original under the chassis! Often, equipment like this turns up significantly butchered. Please post whatever other info you can locate on it. Quote Link to comment Share on other sites More sharing options...
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