AEA Ribbon Mics Inc is an American audio equipment manufacturing company that manufactures ribbon microphones, professional audio electronics, and accessories based in Pasadena, California. Audio Engineering Associates (AEA) was established by Wes Dooley in 1965 as a record label. Starting in 1976, AEA began repairing and servicing RCA 44BX ribbon microphones. AEA microphone models include R44, R84, R92, R88, N8, N13, N22, KU5a, and KU4. Electronics include TDI active direct box, TRP3 preamp, RPQ3 preamp, TRP500 and RPQ500. AEA's electronics are designed by circuit designer Fred Forssell. AEA services and repairs vintage ribbon microphones, Coles microphones, and vintage microphone accessories. They have been servicing RCA ribbons since the 70s and have many spare parts in stock and available for purchase.