• WARNING: Tube/Valve amplifiers use potentially LETHAL HIGH VOLTAGES.
    Building, troubleshooting and testing of these amplifiers should only be
    performed by someone who is thoroughly familiar with
    the safety precautions around high voltages.

Help me make a preamp decision

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Well i'm in a dilema. I can't choose between building the Etude on diyparadise based on the 12b4 and Frank's Ultimate preamp based on the 12bh7a. There is about a $200 price difference. I was leaning toward Frank's, then was enticed the 12b4 can be built for cheap, but after compararing prices, if i sprang the extra money, i could build Frank's.
Whichever preamp i build, it would be driving my Ladyday 300Bs. Please share experience you guys have with either and convince which to build!
 
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