6n23p Reflector new 4 pcs 
 RARE! NEW. 
For better sound.
                                                      
Main technical characteristics 6N23P:

The heating voltage ...... 6.3 ± 0.6 V
Current of heating ... 310 ± 25 mA
The anode voltage is nominal (constant) ...... 100 V
Anode voltage limit (constant) ...... 300 V
The current of the anode of each triode 10....15
Cathode limiting current ...... 20 mA
The cathode current is the limiting (pulse amplitude) ...... 200 mA
The grid voltage (constant) ...... 9 V
The grid voltage is the limiting (pulse amplitude) ...... 260 V
Power dissipated by the anode, limiting ...... 1.8 W
Power dissipated by the grid, limiting ...... 0.03 W
The voltage between the cathode and the heater is the limiting (constant) ...... -200 V
The steepness of the characteristics of each triode 8.... 12.7 mA / V
The gain of each triode is 34 ± 9
Input resistance at a frequency of 200 MHz ...... 500 Ohm
Equivalent resistance of intra-lamp noise ...... 300 Ohm
Resistance in the cathode circuit for automatic bias ...... 680 Ohm
Resistance in the grid limit chain ...... 1 Om
Input capacitance of each triode ...... 3.6 pF
Output capacitance of the first triode ...... 2.1 pF
Output capacitance of the second triode ...... 1.9 pF
The capacitance of each triode is 1.5 pF

Criteria for evaluation:
reverse grid current, μA not more than 1
slope of the characteristic, mA / V not less than 7.5

Maximum permissible electrical quantities:

Voltage of glow, V 5.7 - 7
Anode voltage, V 300
Anode voltage at a locked lamp, V 470
Anode voltage when the lamp is locked in pulse, V 1000
The grid voltage in the pulse is negative, V 200
Voltage between cathode and heater, V:
with a positive potential of the heater 200
at a negative potential of the heater 200
Cathode current, mA:
average of 20
in the pulse 200
Power dissipated by the anode of each triode, W 1.8
Power dissipated by the grid of each triode, W 0.03
Resistance in the grid circuit, MΩ 1
Lamp cylinder temperature, deg. C 120
Resistance to external influences:
vibration acceleration at 50 Hz, g 2.5
acceleration at multiple impacts, g 35

NOTE:

When operating the lamp, the values of the values that determine the mode should not exceed the specified limits. Failure to do so may result in loss of operability.

Literature
Yu.I.Tempner, V.E. Osherov. Handbook on broadcasting receivers (under the general editorship of VV Ogievsky). - K .: "State Publishing House of Technical Literature of Ukraine", 1949. - 371 p.



I greatly appreciate your POSITIVE FEEDBACK. Please do not leave Negative feedback without asking for help. If you are unsatisfied with your items when received, please do not hesitate to contact us via. EBAY message, we will try our best to solve the problem within 24 hours.