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  Home >> Vacuum tube >> PSVANE Tube >> K&D >> PSV 811A HIFI PSVANE Audio Vacuum Tube

PSV 811A HIFI PSVANE Audio Vacuum Tube [Comments(0)|Leave your Comment]
Brand:K&D
Item#:13062706300964
Score:1  (Score change Discount Voucher)
Weight:0.35 kg.
List Price:$35.00
Price:$20.00
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HIFI PSVANE 811A Audio Vacuum Tube

One piece 811A

 

811A is direct-heated type thorium tungsten cathode high µ triode, can be used as high-frequency oscillation power amplification.
811 is similar to 811A, they can be exchanged each other.

Heater
Uf--------------------------------------6.3 V
If---------------------------------------4 A 
Maximum Rating
Ua--------------------------------------1250 V
Ia---------------------------------------125 mA
Pa--------------------------------------40W
grid current---------------------------------------50 mA
Operating frequency and Ua
When the operating frequency above 30MC, Ua and anode input power should be reduced as follows: 
Operating frequency(MC) Ua and anode input power
60 89%
80 70%
100 55%
 When it is in constant working, the anode should not be allowed to have slight red; when in interrupted working, it should only be allowed to have perceptible slight red.
Direct Interelectrode Capacitances 
Input--------------------------------------5.5 PF
output--------------------------------------0.6 PF
Grid to plate……………………………………………..5.5 PF
Static parameter:
Ua……………………………………………………….2000 V
-Ug……………………………………………………...2 V
Ia………………………………………………………26 mA
µ(Ia=20mA)……………………………………..160
Maximum rating in other operating conditions
R-F power amplifier or oscillation, C amplifier (CW)
                     CCS          ICAS
 Ua………………………………….1250            1500   V
 Ia……………………………………175             175    Ma
 Pa…………………………………..45              65     W
 Pa (in)……………………………..175            260     W
 Ug…………………………………-200            -200     V
 Ig…………………………………..55               50     mA
C amplifier anode-modulation, R-F power amplifier
                     CCS          ICAS
Ua…………………………………1000          1250    V
Ia…………………………………..125           150   mA
Pa………………………………….30            45    W
Pa (in)……………………………115          175    W
Ug…………………………………-200         -200    V
Ig……………………………………50           50     mA
CCS: constant working 
ICAS: interrupted working 

A-F power amplifier or oscillation 
B amplifier, grid driving 
                           Maximum Rating
                            CCS      ICAS 
Ua………………………………………………1250      1500      V
Ia (max. sig)……………………………….175      175        mA
Pa………………………………………………45        65         W
Pa (in) (max. sig)……………………165        235          W

Recommended operating condition (Reference value)
(The value of two tubes) 
                          CCS         ICAS
Ua……………………………………………1250        1500      V
Ug…………………………………………….0           -4.5       V
Ia (0)…………………………………………50          32        mA
Ia (max .sig)……………………………..260        313        Ma
Ũg (pk)……………………………………145         170        V
Pd (max. sig)…………………………..3.8          4.4       W
RL (a-a)……………………………………12.4         12.4      kΩ
Pout (max. sig)…………………………235         340      W

ROHS Compliant

Good quality tubes

 

Test and selected by factory
3months quality warranty from date of receipt.


 

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