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Description
A valve (tube) microphone is a condenser microphone which uses a valve (tube) amplifier rather than a transistor circuit. The condenser microphone, invented at Western Electric in 1916 by E. C. Wente, is also called a capacitor microphone or electrostatic microphone—capacitors were historically called condensers. Condenser microphones are best used to capture vocals and high frequencies. They are also the preferred type of microphone for most studio applications. Also known as capacitor microphones, condenser mics are mainly used in studios because of their detail and accuracy.

Looking for an all purpose large-diaphragm condensor mic

I've been looking for a good all-purpose large-diaphragm condensor and I just found a good deal on a used U87Ai locally. It was purchased new and never used, so it's pretty-much brand new. I can get it for $1,450, which seems like a pretty good deal. But then I think to myself that I could get a Shure KSM44 for less than half that price or an AT4050 for less than a third of that price.