PLEASE, READ CAREFULLY EVERYTHING. IT IS IMPORTANT.

About Item: Russian 6C4P rectifier tube has similar characteristics as 6Z4 (China), EZ90, 6Z31.

Tube is tested with professional tube Tester L3-3.

Rk = 5.2 kOhm, Va = 2 x 350 V, Vf = 6.3 V, la min/max acceptable value = >75 mA.

Russian 6C4P is a direct replacement for 6Z4 (China) tube, but have a different pinout for EZ90 / 6Z31. 

Made in USSR, Reflector factory. Durability not less than 5000h. 

Russian tubes - Last Letter – Meaning:

V (B) - Tubes of increased reliability and mechanical strength.

E - Long-life tubes with guaranteed life of more than 5,000 hours.

EV (EB) - Tubes of increased reliability, mechanical strength guaranteed life of more than 5,000 hours.

D (Д) - Extremely durable tubes with guaranteed life of more than 10,000 hours.

DR (ДР) - Tubes of special reliability, mechanical strength, radiation resistant, and guaranteed life of more than 10,000 hours.

I (И) - Tubes designed to operate in pulsed mode, characterized by increased emissivity of the cathode.

K - Tubes with high vibration resistance.

R (P) - Tubes of radiation resistant.

Base: Miniatur-7-Pin-Base B7G, USA 1940

Dimensions (WHD) incl. pins / tip: 19 x 62 x mm / 0.75 x 2.44 x inch

Weight: 15 g / 0.53 oz.


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!

102111_1**