EL84-TII (one pair)
$82.00
EL84-TII (one pair)
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.
EL84-TII is high transconductance pentode, used as class A1, AB1 and B in audio amplifier.
Heater
Uf—————————–6.3 V
If———————————-0.76 A
Direct Interelectrode Capacitances
input————————–10.8 PF
output—————————–6.5 PF
grid to plate———————-0.5 PF
grid to filament—————-0.25 PF
Static parameter
Ua———————————–256 V
Ug2———————————-256 V
Rk———————————–120 Ω
Ia————————————48 mA
Ig2———————————–7 mA
Gm———————————–≥9 mA/V
ug1-g2——————————-19
ri————————————38 KΩ
Maximum Rating
Ua————500 V
Pa——————–12 W
Ug2——————300 V
Pg2——————-2 W
Ik————————-65 mA
Ug1———————-—100 V
Uh-k(pk)—————–±100 V
Rg1
with cathode bias————————1 MΩ
with fixed bias———————–0.3 MΩ
Recommended Operating Conditions（reference value）
class A1.single tube.
Ua————————250 V
Ug2—————————-250 V
Ug1—————————-—7.3 V
Rk—————————–135 Ω
RL—————————–5.2 KΩ
Ug1(r.M.S)———-0 3.4 4.3 4.7 V
Ia(0)—————48 — — — mA
Ia(mAx.sig)———-— — 49.5 49.2 mA
Ig2(0)————–5.5 — — — mA
Ig2(mAx.sig)—– —— — 10.8 11.6 mA
Gm—————-11.3 — — — mA/V
ri——————38 — — — KΩ
ug1-g2————-19 — — —
Pout—————0 4.5 5.7 6.0 W
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