Changsha Shuguang Audio Ltd.

Changsha Shuguang Audio Ltd.

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Name: xiao hong
Tel: +86-0731-89745701
Fax: +86-0731-89998000
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E-mail: dxwdhx@aliyun.com
Add: Room 369,xingyao,Changsha City,Hunan Province,China ,hunan Province,China
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Products

Shuguang 2A3B (replacing 2A3C) new vacuum tube

Shuguang 2A3B (replacing 2A3C) new vacuum tube
Product name:Shuguang 2A3B (replacing 2A3C) new vacuum tube
Item:SG-2A3B
Price:$37.99
Details:
  

 

2A3


straight heating cathode middle power double rridoes used in amplify A1 and AB1

 

 

filament heating
Uf ………………………… 2.5 V
If…………………………2.5 A

limit rating
plate voltage…………………………300 V
plate dissipation power…………………………15 W
grid resistance
when it is self-partial voltage…………………………0.5 MΩ
when it is fixup partial voltage…………………………0.05 MΩ

capacitance between poles
input capacitance………………………… 7.5 PF
output capacitance…………………………16.5 PF
transroute capacitance…………………………5.5 PF

static state parameter
Ua………………………… 300 V
-Ug………………………… 45 V
Ia………………………… 60 mA
Gm………………………… 5.25 mA/V
ri………………………… 0.8 kΩ
μ………………………… 4.2
Pout…………………………3.5 W

 

commend working state(reference value)
single tube A1 amplify(fixuppartial voltage)

Ua………………… 250 V
-Ug……………………45 V
RL……………………2.5 kΩ
Ia(0)…………………60 mA
Gm……………………5.25 Ma/V
ri……………………0.8 Kω
μ……………………4.2
Pout……………………3.5 W
Dtot……………………5 %

driving AB1 amplify
fixuppartial voltage self-partial voltage
Ua……………300   300 V
-Ug……………62  Rk=780Ω V
RL……………3     5 kΩ
üg(pk)………87   110 V
Ia(0)…………80   80 mA
Ia(max.sig)…140  100 mA
Pout……………15   10 W
Dtot……………2.5  5 %

 

 
 


友情链接: 长沙理工自考 中南大学自考 湖南大学自考 湖南农业大学自考 长沙理工大学自考 湖南师范大学自考
Warranty
       All tubes come with a 12 months warranty from the date of your purchase.
Shipping 
       We can send our goods worldwide via registered airmail with tracking numbers . We only ship to the confirmed address provided by PayPal. Before you pay, please make sure your address in PayPal matches the address you would like us to ship to. All the items we sell are marked as gifts with a declared low value. 
Payment
      We accept Paypal. All ordered items are promised to dispatch within 1 business day.
 
Thank You and Good Luck! Please email with any questions.
 
    We want all buyers satisfied!
 
about this tube 
     The auction is for one tubes.Shuguang tube 2A3B and 2A3C can be exchangable for use .They are closely matched and tested for noise.          
      
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