Premium Grade Matched Quad Psvane Treasure 211-T Mark II

211-TII
TII-Series: Positioning in exceeding totally, not only exceed all the same types of productions that always been imitating on the market, but also to exceed itself.

211-TII is direct-heated type thorium tungsten cathode triode, can be used as class A, B and C.
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 KΩ
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 KΩ
RL--------8.8 7.6 9.2 KΩ
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 KΩ
Pout------------------200 260W

Established in 2007 as an Electronic parts supplier, we start supplying NOS tubes to tube AMP factories since 2010. Nowadays, we are also supplying new tubes and other hifi DIY parts to tube amplifier factories and audiophiles.

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