"Ei-RC" - Electronic tubes factory
Data Sheet
Page 4 of 4
ECC82/12AU7
Application note:
This tube can be used without precautions against microphony in equipment which is characterized by
Vi ≥ 10mV for an output of 50mW of the output tube (or Vi ≥ 100mV for 5W output), provided that average
acceleration of the tube is not greater than indicated in the Section "Microphonic effect" from the
"Application directions". When the center tap of the heater transformer is grounded, Rg ≤ 0,3MΩ and Rk is
sufficiently decoupled, and the disturbance level from hum and noise will be better than 60dB bellow 100mV.
Telephone:
FAX:
+381 18 550 741
+381 18 550 806
Postal address:
Electronic mail:
Web site:
Bul. Sv. Cara Konstantina 80-86, 18000 Nis, Yugoslavia
eirc@eierc.com
http://www.eierc.com/rc/default.htm