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Old 17th August 2015, 03:03 AM   #1
usa4356 is offline usa4356  United States
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Default GU-48 Tube amplifier 833A

My custom made little monster needs new tubes . I use new russian made GU-48 tubes now it sounds good,but I want to get RCA 833A tubes.I know it will sound better.I would buy a pair of RCA 833A or Tungsram OT400.
this is my little baby and some pictures
https://www.youtube.com/watch?v=a5lW3LDBjgw
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Old 17th August 2015, 07:35 AM   #2
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Beautiful work, how did you make the sockets/recepticles for the GU-48?
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Old 17th August 2015, 01:57 PM   #3
usa4356 is offline usa4356  United States
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Originally Posted by jazbo8 View Post
Beautiful work, how did you make the sockets/recepticles for the GU-48?
This way:
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Old 18th August 2015, 09:31 AM   #4
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Nice. Surprising small amp.
It is single chassis?
Solid State Rect?
Its use chokes?
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Old 18th August 2015, 12:07 PM   #5
usa4356 is offline usa4356  United States
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Quote:
Originally Posted by FullRangeMan View Post
Nice. Surprising small amp.
It is single chassis?
Solid State Rect?
Its use chokes?
big and heavy separate power supply unit almost 100 pounds with bunch of chokes
yes solid state rectifier
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