The 5AR4, 6N6's and 6C6's are missing. This unit will need a lot of components upgrade like capacitors and resistors.Unit has not been powered on for many years so it will definitely need expertise hands to go through it electronically. Thank You and Good Luck :. The item "Fairchild Model 219 Vintage Tube Microphone Preamplifier All Stock & Original" is in sale since Tuesday, August 27, 2019. This item is in the category "Consumer Electronics\Vintage Electronics\Vintage Audio & Video\Vintage Preamps & Tube Preamps". The seller is "mono" and is located in Fairfax, Virginia. This item can be shipped worldwide.