Prémium 211 teljesítmény trióda párba válogatva. A klasszikus Western Electric 211 replikája, díszdobozban.
Heater
Uf--------------------------------------10 V
If---------------------------------------3.25 A
Direct Interelectrode Capacitances
input----------------------------------6 pF
output------------------------------5.5 pF
grid to plate----------------------14.5 pF
Static parameter
Ua------------------------------------1250 V
-Ug--------------------------------------70 V
Ia--------------------------------------100 mA
Gm-------------------------------------3.8 mA/V
u(Ia=75mA)----------------------------12
RL---------------------------------------7 KO
Pout------------------------------------10 W
Recommended Operating Conditions (reference value)
class A(A-F) for two tubes:
typical working condition limited parameter
Ua--------------------------750 1000 1250 1250 V
Pa-----------------------------------75 W
-Ug-------------46 61 80 V
Ug(pk)---------41 56 75 V
Ia(0)-----------34 53 60 mA
ri--------------4.4 3.8 3.6 KO
RL------------8.8 7.6 9.2 KO
Pout----------5.6 12 19.7 W
Push-pull. class B(A-F)
typical working condition limited parameter
Ua----------------------------- 1000 1250 1250 V
Ia (mAx.sig per tube)-------------------175 mA
Pa (in) (mAx.sig per tube)------------- 220 W
Pa (per tube)---------------------------- 100 W
-Ug--------------------------------------72 95 V
Ug(pk)-------------------------------380 410 V
Ia (0)------------------------------------20 20 mA
Ia(mAx.sig)----------------------320 320 mA
Pd(mAx.sig)--------------------------7.5 8 W
RL(a-a)-------------------------------6.9 9 KO
Pout----------------------------------200 260 W