Changsha Shuguang Audio Ltd.

Changsha Shuguang Audio Ltd.

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Name: xiao hong
Tel: +86-0731-89745701
Fax: +86-0731-89998000
Mobile: +86-13975805576
E-mail: dxwdhx@aliyun.com
Add: Room 369,xingyao,Changsha City,Hunan Province,China ,hunan Province,China
MSN: shuguangs@hotmail.com Skype: shuguangtubes ҷϢ ҷϢ

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Shuguang 300BC (replacing 300BA300BS-B) new vacuum tube

Shuguang 300BC (replacing 300BA300BS-B) new vacuum tube
Product name:Shuguang 300BC (replacing 300BA300BS-B) new vacuum tube
Item:SG- 300BC
Price:75
Details:
  
about this tube 
     The auction is for one tube.  Shuguang tube 300BC,300BA and 300B-98,300Bs-B can be exchangable for use .They are closely matched and tested for noise.  

limit rating
plate voltage………………480V
plate dissipation power…………40W
cathodecurrent
自partial voltage…………………100 mA
fixuppartial voltage………………70 mA

capacitance between poles
input capacitance……………………9PF
output capacitance……………………4.3PF
transroute capacitance……………………15PF

static state parameter
Ua…………………………300V
-Ug……………………… 60 V
Ia…………………………60mA
Gm…………………………5.5mA/V
Ri…………………………0.7 KΩ
μ…………………………3.85
Pout………………………6.6W

----------------Ug
---------Ua Uf(AC) Uf(DC) Ia
----------V --~V---- =V----mA
commend
parameter-----33 ---29.5 --77
---------200{ 45 --41.5 --20
---------------46-- 42.6-- 74
---------250 { 57 --53.6 --22
---------------60-- 56.5 --68
---------300 { 70-- 66.5-- 23
---------------86-- 82.5-- 68
---------400 { 98-- 94.5-- 19
limit
parameter450 100-- 96.5--- 60


 

filament heating
Uf(DC)……………………5V
If(DC) ……………… 1.2A

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