Changsha Shuguang Audio Ltd.

Changsha Shuguang Audio Ltd.

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Shuguang EL156 Hi-fi vacuume tube new

Shuguang EL156 Hi-fi  vacuume tube new
Product name:Shuguang EL156 Hi-fi vacuume tube new
Item:SG-EL156
Price:36.9
Details:
about this tube 
     The auction is for one tube.

EL156

Power output pentode EL156 is glass crust eight GT, its anticathode limit dissipation power is 50W. In the output pode, it is used to amplify A1 series, AB1 series.


filament heating
UH …………………………6.3 V
IH…………………………1.9 A

limit rating
anode voltage……………………800 V
second grid voltage………………450 V
anode dissipation power………………50 W
second grid dissipation power…………8 W
cathode current……………………180 mA
voltage between heating and cathode
preset bias time……………………0.1 MΩ
self-bias time………………………0.1 MΩ

interelectrode capacitances
input capacitance……………………19 PF
output capacitance……………………7.5 PF
transconductance capacitances……………………0.5 PF
capacitance between grid No.1 and heater……0.25 PF

static state parameter
Ua…………………………440 V
Ug2…………………………350 V
Rk…………………………150 Ω
Ia……………………………100 mA
Ig2…………………………16 mA
Gm…………………………11 mA/V
μg1-g2……………………6.2

 

 

?span class=itm>commend working state(reference value)
single-tube A1 amplification
Ua(0)……………………300 450 V
Ug2………………………250 250 V
Rk…………………………60 90 Ω
Ia(0)……………………120 112 mA
Ia(max.sig)……………116 108 mA
Ig2………………………15 17 mA
Ig2(max.sig) …………24 27 mA
RL…………………………4 3.8 kΩ
üg1………………………6 9.2 V
Pout……………………15 25 W
Dtot……………………8 9 %

push pull AB1 amplification(preset bias)
Ua(b)……………………600 600 V
Ug2………………………300 350 V
Rk………………………160 200 Ω
Ia(0)……………………80 80 mA
Ia(max.sig)……………95 100 mA
Ig2 ……………………10 10.5 mA
Ig2(max.sig) …………18 20 mA
üg1………………………13.5 18.5 V
RL(a-a)……………………8.5 7.6 kΩ
Pout………………………65 80 W
Dtot………………………4 4 %

 

 


 

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