PLEASE, READ CAREFULLY EVERYTHING. IT IS IMPORTANT.

About Item: Russian, Strong Matched quad, double triode tubes 6N23P (6Н23П).

Tube is tested with professional tube Tester L3-3.

Va = 90 V, Vf = 6.3 V, Rc = 60 Ohm.

la min/max acceptable value =  (10 - 20) mA.   

Warning! Tubes are matched by electrical parameters (Ia), not by year manufacture or producer.

Difference = 0 %   

pair    |   Ia tube1    |    Ia tube2    |   Ia tube3    |   Ia tube4    |   pcs

1.         10/11 mA        10/11 mA      10/11 mA     11/10 mA         4

We have these number of measured items in stock.

Please select pair of the list and write to us.

Price is for one matched quad (4 items). 

Analogues: 6922, 7308, 6DJ8, E188CC, E88CC, E88CC\01, ECC88, CV2492, Cca.

Double triode 6N23P for broadband voltage gain high and low frequencies and generating vibrations.

Oxide indirectly heated cathode. Operates in any position.

Name: 6Н23П

Type: Double triode.

Application:   Broadband voltage gain high and low frequencies and  generating vibrations.

Envelope: Glass, miniature.

NOMINAL ELECTRICAL VALUES

Heater voltage: 6.3 V
Anode voltage: 100 V
Voltage grid (working): -9 V
Filament current: (310 ± 25) mA
The current anode: (15 ± 5) mA
Steepness of the characteristic (10 to 12.7) mA/V
Gain: 34 ± 9
Leakage current cathode-heater <15 uA
Input resistance (200 MHz): 500 Ohm
The equivalent noise resistance: 300 Ohms
Voltage vibronoise: <150 mV
Reverse grid current: <0.2 uA
Input capacity of (3.6 ± 0.9) pF
Output capacity (2 ± 0.35) pF
Checkpoint Capacity: (1.55 ± 0.3) pF
Capacitance between the anodes: <0.09 pF
Mean time between failures > 5000 hours

MAXIMUM ELECTRICAL VALUES

Heater voltage: (5.7 to 7.0) V
Anode voltage: 300 V
Voltage anode locked tube (same pulse): 470 V (1000 V)
Maximum power on the anode: 1.8 V
Maximum power on the grid: 0.03 V
The highest voltage between the cathode and heater: 200 V
The maximum current of the cathode (same pulse): 20 mA (200 mA)
The maximum resistance in the grid circuit: 1 MOhm
Maximum temperature of the glass bulb: 120 °C
Temperature range: (-60 to +70) °C

PLEASE, READ CAREFULLY!

SHIPPING METHODS:

1. Europe - Economy International Shipping - no tracking number.
If you wish faster delivery and tracking number, please select STANDARD International Shipping.
2. Worldwide - Standard International Shipping - with tracking number included in the cost of shipping.
3. Any order above $ 60 US - with tracking number included in the cost of shipping.

The ESTIMATED delivery time varies from 7 to 45 working days (9 weeks) to most of the countries.

Detailed info you can find in the table below. 

Delivery time 
% of shipments that arrive in the said delivery time 
Country working days (without holidays and weekends)
<15 15-24 25-34 35-45 >45
<3 weeks 5 weeks 7 weeks 9 weeks >9 weeks
Canada, United States 5 % 85 % 7 % 3 % 0 %
Africa, South America 5 % 20 % 55 % 20 % 0 %
Japan, South Korea 10 % 85 % 5 % 0 % 0 %
Taiwan,  Thailand 5 % 45 % 45 % 5 % 0 %
China, India 5 % 40 % 50 % 5 % 0 %
Indonesia, New Zealand 5 % 40 % 50 % 5 % 0 %
Israel 5 % 65 % 30 % 0 % 0 %
Australia 5 % 55 % 35 % 5 % 0 %
Russia 5 % 50 % 40 % 5 % 0 %
Europe 60 % 35 % 5 % 0 % 0 %
Others, not entered shall, countries 5 % 20 % 55 % 20 % 0 %
   Items are generally shipped out within 24 (rarely 48) hours after payment has been confirmed (Holidays, Sat. & Sun. excluded). The delivery time depends on the destination, holidays, customs clearance factor and other factors.
   Please, if you have a problem, DO NOT OPEN CASE on eBay before this period has elapsed or before you communicate with us.
   We ship your package to your eBay address. Please update your complete address including full name and phone number during checkout. We are not responsible for any wrong or undeliverable address.
   INTERNATIONAL BUYERS – PLEASE NOTE: Import duties, taxes and charges are not included in the item price or shipping charges. These charges are the buyer’s responsibility. Please check with your country’s customs office to determine what these additional costs will be prior to bidding/buying.
   ADDITIONAL INFORMATION & QUESTIONS: The pictures are for general information only. They do not carry technical information. I apply maximum efforts to work better and better. It is very important for me to get your feedback to know, whether you are really satisfied completely! Please, contact us if you have questions - especislly in the delivery term. Please use the link "Ask seller a question".
   GUARANTEES & a POLICY of RETURN: We guarantee you complete satisfaction with all our products. If you receive an item you ordered damaged or defective, we will send replacement item. We only accept returns if the items in original package you have received are not what was described in the auction, damaged or defective. If exchange is not possible money refund will be issued. All returns must be sent to Bulgaria. Item for returning must have the original tags and packing, otherwise it won't be accepted.

Thanks And Good luck!