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1967 NOS GE USA JAN 12AX7 WA 7025 MILITARY ECC803S DIGITAL BALANCED PERFECT TRIO
1967 NOS GE USA JAN 12AX7 WA 7025 MILITARY ECC803S DIGITAL BALANCED PERFECT TRIO
1967 NOS GE USA JAN 12AX7 MILITARY 12AX7WA ECC803S NOS DIGITAL BALANCED PERFECT TRIO
 
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Product Code: GE-1967-JAN-12AX7-TRIO
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1967 NOS GE USA JAN 12AX7 MILITARY 12AX7WA ECC803S NOS DIGITAL BALANCED PERFECT TRIO!

Price is for a TRIO!



THREE (3) NOS 1967 VINTAGE TUBES

Bid 1 for THE PERFECT EXCEPTIONALLY MATCHED TRIO!

NEW OLD STOCK AUTHENTIC 1967

45 YEAR OLD NOS FROM A TIME-CAPSULE!
CREAM OF THE CROP STRONGEST SUPER-TUBES HIGHEST EMISSIONS - GREAT MATCHED TRIOS!

How many times have you purchased what you read advertised as a balanced and matched-triode tube off the internet and have received mismatched or marginal tubes? Well, get rid of those! Here are the HIGHEST QUALITY AMPLITREX DIGITALLY TESTED NOS (NEW OLD STOCK) NIB (NEW IN BOX) GE JOINT ARMY NAVY (J.A.N.) 12AX7-WA tubes that were made in the 1960's that will end your search for the Top Quality you would expect from a Premium tube in your ultimate HI-FI AMPLIFIER or Musical Amplification system.

NOS NIB TUBE MUSEUM QUALITY NOS GE USA 12AX7

12AX7-WA = E83CC = ECC803S LOW-NOISE TUBES

These tubes actually have THICK mica spacer insulators! (2 sandwiched mica insulators) but we will call these 2-mica or double mica tubes - this doubling up of the top mica adds to the 12AX7-WA "ruggedized" construction classification of all J.A.N. MILITARY SPEC tubes capable of being held in 3 different positions in a Navy type (flyweight) Shock Machine and are subject to 600 g impact acceleration & 2.5 g vibrational acceleration at 25 cycles for 32 hours in Factory testing and burn-in.

Gray-Plate Top Double-Mica

Special ruggedized tube.

Extra Thick Micas

Dual reinforcement bars running vertically
Solid halo getter
Brass alloy pins
Tight tolerances
and were made in May 1967.

SIMPLY the PERFECT SINGLE REFERENCE 12AX7-WA  AMPLITREX TESTED TUBES BY WHICH ALL OTHER 12AX7's CAN BE MEASURED BY!  

VERY QUIET tube

Comes in their (OVP) ORIGINAL VENDOR PACKAGING as shown

CERTIFIED ULTRA-LOW-NOISE SPECIMENS

All tubes measure VERY STRONG averaging from 1,600 or 100% to 1,700 or 106% GM uMhos (mA/V) per triode which is Balanced & Matched and 100% to 130% mA or 1.2mA to 1.4mA WOW! Tested on the Amplitrex as displayed below in the "fixed-bias" setting which is the most accurate bias setting, with a test specification iP of 1.2mA and 1,600 GM/uMhos spec.

Hickok Spec on a 12AX7 is @ 1,250/1,250 per triode & 1.2/1.2mA

These SUPER-TUBES measure 1.2 to 1.4 mA! WOW!

Amplitrex measures at a REAL 1,600/1,600 spec - the same on the factory spec sheet

What I like about these tubes is that they are all Matched & Balanced in Mutual Conductance with Uniquely Matched Plate-Resistance (Rp)& matched Tube-Gain (Mu)

TubeMuseum tested tubes takes the guesswork out of the process of selection delivering you the best Audio tubes that there possibly can be.

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