Six Altec Tube 1561 Tube preamplifiers mounted on a 3 RU panel. Original Vintage Altec Green.
Altec C61L condenser lavalier microphones, made in Austria, 1980 vintage. Many available, a fine sounding microphone with phantom power module. All are missing the tie clip.
This is the immediate successor to the popular Green Faced Altec 1599B. Very, Very clean.