Vacuum Tube 6E2 Tuning Instructions for HIFI Tube Amplifier Volume High Reliability

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Tube 6E2 Tuning Instructions for HIFI Tube Amplifier Volume Replace EM87 EM83     Replace EM87, EM83   6E2 Type: indirectly heated cathode tuning indicator tube   Main purpose: tuning instructions   Basic data Filament voltage (Uf) = 6.3V; Filament current (If) = 0.3 0.03A; Anode current (1) (Ia) =...
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Tube 6E2 Tuning Instructions for HIFI Tube Amplifier Volume Replace EM87 EM83

 

6E2

 

Replace EM87, EM83

 

6E2(1l)

6E2

Type: indirectly heated cathode tuning indicator tube

 

Main purpose: tuning instructions

 

Basic data

Filament voltage (Uf) = 6.3V;

Filament current (If) = 0.3 0.03A;

Anode current (1) (Ia) = 2 0.5Ma

; Gate-off voltage (1) (Ugj) = -10 5V;

Anode supply voltage (Ea) = 250V;

The phosphor screen voltage (UL) = 250V;

Screen current (1) (IL) = 1mA;

Transconductance (S) 0.5mA / V;

Anode resistance (Ri) = 100k;

Gate resistance (Rg) = 3M;

Amplification factor () 20.

Note: (1) When Ug = 0V; (2) screen band of light when closed.

 

Limit the use of data

Maximum filament voltage (Ufmax) = 6.9V;

The minimum filament voltage (Ufmin) = 5.7V

Maximum screen voltage (ULmax) = 250V;

Minimum screen voltage (ULmin) = 200V;

Maximum anode supply voltage (Eamax) = 250V;

Maximum anode dissipation power (Pamax) = 0.5W;

Maximum gate resistance (Rgmax) = 3M;

The maximum voltage between the filament and the cathode (Ufmax) = 100V.

6E2(4l)

6E2(2l)

 

 

 

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