Tubos rectificadores Mullard ez81 6ca4 u709 nuevos en caja/reedición década de 1960 (par) AT1000 probado nuevo en caja nuevo de lote antiguo

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Vendedor: nova.76 ✉️ (3.032) 100%, Ubicación del artículo: Brunswick, Maryland, US, Realiza envíos a: WORLDWIDE y muchos otros países, Número de artículo: 266574828930 Tubos rectificadores Mullard ez81 6ca4 u709 nuevos en caja/reedición década de 1960 (par) AT1000 probado nuevo en caja nuevo de lote antiguo.

Mullard EZ81 Rectifier Tubes (PAIR) - New in Box Matching Production Date Codes: 8t1-B5H5 (1965 AUG) These Mullard EZ81 are brand new in box and test absolutely perfect. This is a RARE find indeed!!!

 Tested on AT1000 w/Forward & Reverse Voltage Specs In order to make an informed decision on buying a rectifier tube you need to know the Forward Voltage Drop and Reverse Voltage. The 2 most important numbers to focus on is the FORWARD VOLTAGE DROP and BALANCE BETWEEN SIDE 1 & 2. Balance delta should be no greater than 5%. These are numbers that you will NEVER get with a vintage tube tester and are critical to the performance of your equipment. The EZ81/6CA4 can't accurately be measures by standard tube testers and even the AT1000 requires an adapter (see pics) that will enable you to get all the correct measurements, Here are the desired target numbers for a EZ81/6CA4:  * Forward Voltage Drop:  12 volts or Less = PERFECT  * Reverse Voltage: Greater than 420 volts = OUTSTANDING Tube #12-18006 Results:  * Forward Voltage Drop Side 1:  11  * Forward Voltage Drop Side 2:  11  * Forward Voltage Balance: Perfect  * Reverse Voltage Side 1:  422  * Reverse Voltage Side 2:  422  * Reverse Voltage Balance: Perfect Tube #12-18007 Results:  * Forward Voltage Drop Side 1:  11  * Forward Voltage Drop Side 2:  11  * Forward Voltage Balance: Perfect  * Reverse Voltage Side 1:  421  * Reverse Voltage Side 2:  421  * Reverse Voltage Balance: Perfect 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 I 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.

 

  • Condition: Abierto, sin usar
  • Condition: All tubes are tested on an AT1000 for Mutual Conductance, Emissions, Gas, Shorts and Noise... Tubes are guaranteed to be as listed... Please refer to pictures and specs for tube details... Do not hesitate to ask questions...
  • Brand: Mullard
  • Type: Rectifier Tubes
  • Model: EZ81
  • MPN: 12-18006 / 12-18007
  • Country/Region of Manufacture: United Kingdom

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