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#1
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Newbie Question - Any help would be greatly appreciated.
I have swapped out my solid state preamp for a tube unit from Audio
Experience out of Hong Kong. I am very impressed with the unit so far but am thinking of doing some tube swapping just to see how it affects the sound. It uses a tube regulated power supply and 3 12AX7 tubes for the line stage. My question is: If this is a two channel amp, why does it use 3 signal tubes? Are they arranged in at A, A+B, B arrangement where the third tube amplifies signals that are common between channels? Or would it be split with the third tube amplifying only the low frequencies? I am really quite perplexed as to why there would be three signal tubes used. Any insights would be greatly appreciated. Thanks. |
#2
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I guess the first advice to a newbee would be not to post a message three
times in 6 minutes. wrote in message news I have swapped out my solid state preamp for a tube unit from Audio Experience out of Hong Kong. I am very impressed with the unit so far but am thinking of doing some tube swapping just to see how it affects the sound. It uses a tube regulated power supply and 3 12AX7 tubes for the line stage. My question is: If this is a two channel amp, why does it use 3 signal tubes? Are they arranged in at A, A+B, B arrangement where the third tube amplifies signals that are common between channels? Or would it be split with the third tube amplifying only the low frequencies? I am really quite perplexed as to why there would be three signal tubes used. Any insights would be greatly appreciated. Thanks. |
#3
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It is very possible that there are a total of three stages in the unit and it
is simply using each dual triode as the left and right active element for each of the three stages. |
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