Changsha Shuguang Audio Ltd.

Changsha Shuguang Audio Ltd.

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Shuguang El84(6P14,6BQ5) vacuume tube new

Shuguang El84(6P14,6BQ5) vacuume tube new Shuguang El84(6P14,6BQ5) vacuume tube new Shuguang El84(6P14,6BQ5) vacuume tube new Shuguang El84(6P14,6BQ5) vacuume tube new
Product name:Shuguang El84(6P14,6BQ5) vacuume tube new
Item:SG-El84
Price:$9.56
Details:
 
about this tube 
     The auction is for one tube,and they are newly produced.

EL84

High transconductance pentode tube EL84's anticathode limit dissipation power is 12W. In audio frequency amplifier, it can amplify A1,AB1 and B. EL84 is the same with 6BQ5、6P14, and can be exchanged each other.
 

heater heating
UH …………………………6.3 V
IH…………………………0.76 A

limit rating
plate voltage……………………500 V
plate dissipation power………………12 W
second grid voltage………………300 V
second grid dissipation power…………2 W
cathodecurrent……………………65 mA
first grid voltage………………-100 V
maximumcathodecurrent………………120 mA
heatervoltage between cathodes……………±100 V
first grid resistance
when it is fixup partial voltage………………0.3 MΩ
when it is self-partial voltage…………………1 MΩ

capacitance between poles
input capacitance…………………………10.8 PF
output capacitance………………………… 6.5 PF
transroute capacitance………………………… 0.5 PF
first grid heater capacitance……………0.25 PF

static state parameter
Ua………………………… 256 V
Ug2…………………………256 V
Rk………………………… 120 Ω
Ia……………………………48 mA
Ig2………………………… 7 mA
Gm………………………… ≥9 mA/V
ri………………………… 38 kvΩ
μg1-g2……………………19
 

 

 

 

commend working state(reference value)
single tube A1 amplify
Ua…………………………250 V
Ug2……………………… 250 V
-Ug1………………………7.3 V
Rk…………………………135 Ω
RL…………………………5.2 kΩ
üg1(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) ……… -   -   -   -  mA
Gm………………………11.3   -   -   -  mA
ri……………………… 38   -   -   - mA/V
μg1-g2………………… 19   -   -   - 
Pout……………………  0  4.5  5.7  6.0  W
Dtot……………………  0  6.8  10   -  %

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