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| Tubes / Valves All about our sweet vacuum tubes :) Threads about Musical Instrument Amps of all kinds should be in the Instruments & Amps forum |
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#1 |
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diyAudio Member
Join Date: Jun 2006
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recently bought via ebay a small tube amp that looks very close to a heathkit UA-1 schematic wise that is.
TUBES ARE 6BQ5 x 2 12AX7 x 1 6an8 x 1 However, there is absolutely no label as to who made this or a manufacturer It is obviously a kit of some type The only markings are on a piece of the assembled unit PA92-9 also a number 283 seperated by the power cord Power transformer has PA-227 and 798852 stamped on it measured output was green pair: 162.7 volts 7.6 volts Audio transformer has pa-228b, 138913, and 28536 stamped on it I have looked thru every old transformer catalouge i can find and cant see either of them listed anywhere If anyone can find out some info on the transformers like who made these things, i would appreciate it very much Thank You Mike |
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#2 |
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diyAudio Member
Join Date: May 2006
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You can upgrade your amp with parts from Audio Note
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#3 |
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diyAudio Member
Join Date: May 2006
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pics would be real nice.
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#4 |
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diyAudio Member
Join Date: Jun 2006
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Audio Note ? wth is that, theres like 30 of them on google
a little more info please |
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#5 |
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diyAudio Member
Join Date: May 2006
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#6 |
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diyAudio Member
Join Date: Jun 2006
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Mario, these are beautiful transformers, but way over my head and totally outclasses anything i have or work on, the info is very much appreciated.
However, im just trying to find the specs for what i do have atm,which i fear will be impossible since all the info i have is allready posted here. i will TRY o post some pictures asap. Thanks again, but im way out classed on this one. |
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