For sale is a super-rare, clean AKG C28c vintage tube condenser microphone with original CK28 capsule, original case and original power supply. This is the famous C12’s little sister, packing a similar sonic punch. The C28 is a small diaphragm cardiod mic with great detail, silky high’s and exceptional transient response. It excels on acoustical instruments and vocals alike. The Beatles used it on some vocals as well. The condition is great considering its age. Both mic and power supply have just been fully gone through and serviced by vintage mic guru Bill Bradley at the“Mic Shop” (http://www.micshop.com/). Some components in the power supply were replaced (filter caps, voltage regulator) and the mic received a brand new tube. As expected, this mic sounds phenomenal and is also very quiet. It comes complete with all original cables, original case and original power supply. Also included in the auction is a new, old stock RCA spare tube! Mic serial#: 2814, capsule serial#: 10627, power supply serial#: 2381. This shape and the general design characteristics of the C12 are carried over to the C28, on a smaller scale. The original C28 was introduced in late 1955 or 1956. The condenser transducer used in the CK28 capsule came from an even earlier AKG design completed in 1951. The C28 is part of a series of microphones that were designed as broadcast products, specifically for their slim attractive appearance. An AKG goal was to maintain the studio quality of the product within the size constraints required. This is from a Service Memo from AKG: "The reason to develop a C28 simply was the ambition of the development engineers to make a small sized condenser microphone of studio quality, with linear frequency response and changeable capsules. As in these days condenser microphones were all rather big and had large diaphragm capsules, their use was limited to certain recording areas..." AKG didn't make a lot of tube condenser mics to begin with and the C28c is very, very rare indeed. I just added a picture of the CK28 original capsule, with the diaphragm clearly visible. Please feel free to ask any questions. I have been asked a lot how much this would probably sell for. The last C28c i saw sold for $2500 at vintageking.com a few months ago...