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For sale is a rare vintage Groove Tubes Model 3a. This one is in fantastic condition, previous owner mentioned it was NOS condition. We can't say for certain if it's brand new, but it certainly is very very clean shape. Tested and fully functional, sounds great. Includes power supply and power cable along with small case for the mic. Has cardioid and omni pickup patterns (there's a small screw you can adjust to change the pickup pattern, we noticed you have to really tighten the screw to get it to switch into omni). These are great sounding tube microphones that are hard to find, don't miss out!
