RCA 5814A BLACK PLATE Triple Mica Mil Spec Tubes Platinum Match on AT1000 12AU7

$168.66 Buy It Now or Best Offer
free,30-Day Returns

Seller Store nova.76
(2946) 100.0%,

Location: Brunswick, Maryland
Ships to: US,
Item: 266637251811

Restocking Fee:No
Return shipping will be paid by:Seller
All returns accepted:Returns Accepted
Item must be returned within:30 Days
Refund will be given as:Money Back
RCA:RCA
Type:Preamp Tubes
12AU7:12AU7
MPN:01-26007 / 01-26009
Country/Region of Manufacture:United States

RCA 5814A 1956 BLACK PLATES – TESTS NOSMilitary Spec – Triple Mica – HD Posts – « D » GetterThese RCA 5814A are extremely sought after by audiophiles. These are the best of the best of the 12AU7 class of tubes and known to be very quiet and ALWAYS tests very consistent side to side and tube to tube…Triple Platinum Matched on Amplitrex AT1000 Amplitrex AT1000 Test Results 90%+ GM = Within NOS Specs 90%+ EM = Within NOS Specs (GM) Mutual Conductance 2200 = SPEC (EM) Emission 8.5 gV = SPEC Noise Test (Mu) Tube Gain TUBE #1 2200/2250 (100.0/102.3%) 8.5/8.6 (100.0/101.2%) 5/5 16.9 17.6 TUBE #2 2200/2200 (100.0/100.0%) 8.6/8.5 (101.2/100.0%) 5/5 16.9 17.2 TUBE #3 N/A N/A N/A TUBE #4 N/A N/A N/A PERFECT = 0.0% (10% or less = Outstanding)Balance (Balance Goal = Mhos > 10% / Gv > 10%)Tube 1: A to B = Mhos – 2.3% Gv – 1.2%Tube 2: A to B = Mhos – 0.0% Gv – 1.2%Match (Tube 1 to Tube 2) (Match Goal = Mhos > 10% / Gv > 10%)Tube 1A to 2A = Mhos – 0.0% Gv – 1.2%Tube 1B to 2B = Mhos – 2.3% Gv – 1.2% Noise Test Scale: 5 = Ultra Low; 4 = Very Very Low; 3 Very LowGain Test Scale: 17mU (+ or – 3mU) = Factory Spec BULLz TUBEz 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… About our TUBEz:All tubes are tested with the Audiophile in mind for SHORTS, GAS, MUTUAL CONDUCTANCE and NOISE (large tube lots are not tested for noise). All our tubes are tested thoroughly on an Amplitrex AT1000… Our backup tube testers are a Hickok 752A, Precision 612 and Eico 667… I WILL NOT GUARANTEE THAT OUR READINGS WILL MATCH YOUR READINGS… We stand behind everything we sell… Our goal is to « Create a Positive Experience »… It starts with you, « The Customer »!!! About Our Rating System: NIB: New in Original or White BoxNOS: New Old Stock (given to tubes that meet or exceed factory values)UTS: Used Tube Tests StrongUTG: Used Tube Tests Good 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: 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… 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 BIDDINGInternational 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.

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