Description

6H1n-EB (6N1P-EV) VOSKHOD RUSSIAN ROCKETS TRUE NOS - Silver Shield & Pins - GAIN MATCHED Matching Production Dates: "03-84" = MAR 1984 Extended Life 5000 Hour Military Spec Tube Triple Platinum Matched on AT1000 All New Stock & Fully Guaranteed The 6H1n-EB, which equals 6N1P-EV in English, vacuum tube is made in the Famous Voskhod Military Plant made to Soviet Military Specifications and has the Rocket (=>) logo on it. NOTE: These are the REAL DEAL with 6H1n -EB marked clearly on the tube along with the "Rocket Logo"... The Russian n = P... It is a small signal dual triode intended for use as a line level amplifier or driver in high quality audio amplifiers. Features include very low distortion, medium transconductance, higher plate voltage, dissipation rating and larger cathode than 6DJ8 types. Many sellers claim that 6N1P-EV tube is 6DJ8/6922 equivalent which is not completely factual. Basically the 6N1P-EV has a higher heater current than the 6DJ8/6922 and in many cases they work great in place of a 6DJ8/6922 but it's always best to consult the equipment manufacturers specifications as to compatibility. If compatible, these tubes have shown excellent results for just a fraction of the cost of 6DJ8?s!!! The Russian inscription is " EV (B) ". "E" designator means ~ extended life (5000 HRS) "V" designator means ~ improved mechanical construction) Chrome Plated Pins TUBE SPECIFICATIONS Name: 6N1P-EV ( 6H1n -EB in Russian) Type: Double triode, hi-durability, long-life Cathode type: oxide, indirect heating Filament voltage: 6.3 Volts uMhos: 4500 Nominal (3900-5100) mA: 7.6 mA Nominal (6.8-8.4) gV: 4.6 gV Nominal (3.8-5.1) Tube Gain: 28.0 - 42.0 (33 Mu = Nominal) Preferred Substitutes ........................ 6N1, 6N1PVI, 6N1PEV, 6H1N, 6H1NBN, 6H1NEB. Alternative Substitutes ............................ ECC88, 6DJ8, 7308, 6922. E88CC MATCHING/BALANCE SPECIFICATIONS uMhos = within 5% gV = within 10% Tube Gain = within 3 Mu Amplitrex AT1000 Test Results uMhos GM = 4500 Nominal Emission gV = 4.6 Nominal Tube Gain 28-42 Noise Rating TUBE #1 4600/4600 (102.2/102.2%) 4.5/4.7 (97.8/102.2%) 34.5 34.0 5/5 TUBE #2 4640/4530 (103.1/100.7%) 4.6/4.5 (100.0 /97.8%) 33.4 34.1 5/5 TUBE #3 N/A N/A N/A N/A TUBE #4 N/A N/A N/A N/A Perfect = 0.0% (Mhos < 5% / Gv < 10% = Outstanding) Balance Tube 1: A to B = Mhos - 0.0% Gv - 4.4% Tube 2: A to B = Mhos - 2.4% Gv - 2.2% Match (Tube 1 to Tube 2) Tube 1A to 2A = Mhos - 0.9% Gv - 2.2% Tube 1B to 2B = Mhos - 1.6% Gv - 4.4% Noise Test Scale: 5 = Ultra Low; 4 = Very Very Low; 3 Very Low Please Read My Feedback and Buy with Confidence I Stand Behind Everything I Sell About BULLzTUBEz: I've been an Audiophile for over 50 years, 2 time National Champion in Car Audio and owned a chain of Car Stereo Stores... I have a massive collection of vacuum tubes specializing in mostly esoteric tubes but we have just about any tube you need. Just check the store for the listed inventory. If you have a request just send a message to NOVA.76 through the eBay messaging system... I stand behind everything I sell... My goal is to "Create a Positive Experience" for my customers... About My TUBEz: All tubes are tested with the Audiophile in mind for SHORTS, GAS, MUTUAL CONDUCTANCE, EMISSION and NOISE (large tube lots are not tested for noise). All my tubes are tested thoroughly on an Amplitrex AT1000... My backup tube testers are an AVO MKIV and another Amplitrex AT1000... I WILL NOT GUARANTEE THAT MY READINGS WILL MATCH YOUR READINGS... Variations in Line Voltage and Test Equipment excludes any claims regarding matching test results on any equipment other than mine... Warranties: Used or vintage items are sold as is with no warranty beyond the description and photographs provided on the listing. Returns will NOT be accepted for reasons such as: don't like the sound, ordered the wrong item, changed mind, not what I thought it was, wrong color ordered, wrong item ordered or tube readings don't match my tester. Any exceptions are on a case by case basis and subject to a 15% restocking fee... Shipping: Domestic Shipping to the continental United States will be by the US Postal Service (USPS) including free tracking. Some items listed will ship free and will be clearly listed as "free Shipping". Items not listed as free shipping will be for the cost of packaging plus shipping only, no extra charge will be added to the USPS fee. INTERNATIONAL BUYERS PLEASE CHECK THE SHIPPING CHARGES PRIOR TO BIDDING International Shipping will be offered for select items and will be clearly identified in the listings Shipping & Payment tab. Shipping will be by the " eBay International Standard Shipping " and be made available as a shipping option at check-out. Shipping costs to international locations will be paid by the buyer. The shipping and handling cost will be clearly identified at check-out. THERE ARE NO RETURNS ON INTERNATIONAL SHIPPING , apart from the exceptions as dictated by eBay... Please note the following: Import duties, taxes and charges are not included in the item price or shipping charges. These charges are solely the buyer?s responsibility. Please check with your country?s customs office to determine what these additional costs will be prior to bidding/buying. These charges are normally collected by the delivering freight (shipping) company or when you pick the item up ? do not confuse them for additional shipping charges. We do not mark merchandise values below value or mark items as ?gifts? - US and International government regulations prohibit such behavior.