For sale is a rare 6N23P Reflector NOS Tube, also known as the Holy Grail of vacuum tubes. This particular model was manufactured in 1974 and features SWGP E88CC Single Wire with grey shields. It has been thoroughly tested and is in excellent working condition. This vintage tube is a must-have for audiophiles and collectors alike, especially those looking to enhance the quality of their sound system. With its unique characteristics, the 6N23P Reflector is highly sought after and will make a great addition to any collection. Don't miss out on the opportunity to own this rare piece of audio history.

Universal miniature double triode with separate cathodes and low noise level in glass fingertip design.

Designed to work as a broadband amplifier and high-frequency mixer in circuits of low-power amplifiers and pulse generators.

The 6N23P double triode is used in radio engineering devices for general and special purposes.

Works in any position.

Produced in a glass finger design.

Indirectly heated oxide cathode.

9-pin base with button bottom.

Pin arrangement: РШ8.

Overall dimensions of the double triode 6N23P:

   - lamp height - 60 mm;

   - lamp diameter - 22.5 mm.

Weight no more than 16 g.

Operating time not less than 5000 hours.

Foreign analogue of the 6N23P lamp: E88CC, ECC868, ECC88, 6DJ8, 6FW8, 6922.

Deciphering the marking of a double triode:

6N23P

6 - a number indicating the rounded value of the lamp filament voltage in volts;

H - a letter that determines the type of lamp: H - double triode;

23 - the number of the serial number of the development of this type of lamp;

P - a letter characterizing the design: P - a miniature (finger) lamp in a glass shell with a cylinder diameter of 19 or 22.5 mm.

Technical characteristics and electrical parameters of the lamp 6N23P:

Filament voltage 6.3 ± 0.6 V

Filament current 310 ± 25 mA

Anode voltage nominal (constant) 100 V

Anode voltage limit (constant) 300 V

Anode current of each triode 15 mA

Cathode current limit 20 mA

Limiting cathode current (pulse amplitude) 200 mA

Grid voltage (DC) 9 V

Grid voltage limit (pulse amplitude) 260 V

Power dissipated by the anode, limiting 1.8 W

Power dissipated by the grid, limit 0.03 W

The voltage between the cathode and the heater is limiting (constant) -200 V

Slope per triode 12.7 mA/V

Gain of each triode 34 ± 9

Input impedance at 200 MHz 500 Ohm

Equivalent tube noise resistance 300 Ohm

Cathode resistance for automatic bias 680 ohm

Resistance in the grid circuit limit 1 M?

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

Capacitance through passage of each triode 1.5 pF

Capacitance anode - cathode of each triode 0.18 pF

Capacitance between anodes no more than 0.06 pF

Capacitance between grids no more than 0.005 pF

Miniature glass decoration