Tube Characteristics

Type:                   12AU7  (12AU7A/ECC82)

Bulb :                  Miniature T-6 1/2

Class :                 Dual Medium-Mu Triode

Base Diagram:           9A

Emitter Volts:          12.6    6.3

Emitter Amps:           0.15    0.3

Use:                    Class A1 Amp, Oscillator

Plate Dissipation (w):  2.75 per plate

Plate Volts:            100     250

Negative Grid Volts:    0       8.5

Plate Current (ma):     11.8    10.5

Plate Resistance (ohm): 6500    7700

Transconductance:       3100    2200  micromhos

Amplification (mu):     20      17