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Balanced Audio Technology VK 3i preamplifier
Balanced Audio Technology VK 3i preamplifier
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Old 19th February 2006, 09:58 PM   #1
w waldecker is offline w waldecker  United States
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Join Date: Jul 2005
Location: south of baltimore maryland
Default Balanced Audio Technology VK 3i preamplifier

Hello,i just purchased a used BAT VK 3i preamplifier from an Audio dealer in California. it uses four 6922 twin triode tubes which i am familiar with. the VK 3i also uses a pair of 6V6 tubes which i am unfamiliar with. i have a quad of Amperex 7308s with the green globe label that i intend to install when i receive this preamp which is due to arrive here early next week. does anyone have an opinion on which type or brand of 6V6 i should use ? does it matter or are all of them the same when it comes to sonics or reliability. thanks in advance for any replies or opinions...WCW III
william c waldecker 3rd
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Old 20th February 2006, 11:54 AM   #2
reinhard is offline reinhard
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Join Date: Dec 2000
Location: Germany
VK 3i is just a simple diffamp, two 6922 per channel, working on a current source, 6V6, instead of a tail resistor.

You must set the current to 40 mA after changing 6V6

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