H.H. Scott applications that use the 12AT7:

HHSCOTT TYPES:	12AT7 - ECC81
310-E 333-A 333-B 335 340-B 350-A 350-B 350-C 350-D 355 380 LM-35	TWIN TRIODE, HIGH-MU Tube Data provided by Duncan Amplification Miniature type used as phase inverters or twin resistance- coupled amplifiers in radio and audio equipment. Requires miniature 9-contact socket. Each triode unit is independent of the other except for the common heater. Download Duncan's utilities and tube database software.