12AU6
The 12AU6 (European equivalent HF94) is a miniature RF pentode for up to ~50 MHz. Apart from the 12 V heaters, it is the same as the 6AU6.
The 12AU6 (European equivalent HF94) is a miniature RF pentode for up to ~50 MHz. Apart from the 12 V heaters, it is the same as the 6AU6.