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VV30B
An improved version of the 300B manufactured by AVVT from 1994 to 1996 and then replaced with the AVVT VV32B. Copies of this model slightly changed later mady by KR Audio Electronics.
Vf = 5.0 V AC or DC
If = 1.2 A
S = 6.5 mA/V
mu = 3.9
Ri_max = 600 ohm
@ Va = 300 V and Vg= - 60 V => Ia = 70 mA (-5%,+25%)
@ Va = 400 V and Vg= - 80 V => Ia = 120 mA (-5%,+25%)
@ Va = 500 V and Vg= - 110 V => Ia = 130 mA (-5%,+25%)
Va_max = 550 V
Ia_max = 160 mA
Pa_max = 65 W
Ig_max = 0.5 uA (typical 0.2 uA) at Pa = 65 W
Ig_max = 0.2 uA (typical 0.1 uA) at Pa = 30 W