Please be aware that this tube has 2-3 db more gain than typical 12au7! In addition, it is about 50% taller and draws 0.6v heater current, twice the typical 12au7. The Phillips *SQ* is clean, quiet, open, detailed with a nice touch of warmth. If you are looking for a more tubey sound, try a vintage Blackburn Mullard, or any 12bh7. Rated at 10,000 hrs. Used in a hi-fi amp in the voltage gain section. Probably overkill as the phase inverter.
Verified purchase: Yes
i use this in my V2 position on my pwr amps and they work very well there, cheap easy to find tubes without to much color enhancement-fantastic just what the good Dr ordered. Doesnt take away or add anything to my E83CC V1
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This is one of the most common tube that fail in vacuum tube receivers. That makes this a good deal!
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I bought these for my Cary Audio SLP-03 and immediately loved the sound they produced when I installed them! They are not cheap but worth it if you love your audio!
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Had to replace a bad rectifier tube on my amp and these worked great, thank you!
Verified purchase: Yes
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