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Telefunken ECC83 / 12AX7 Smooth Plate Diamond Bottom #9
For sale is a rare vintage Telefunken ECC83 12ax7 tube smooth plate diamond bottom. Made in Western Germany. Tested on our Amplitrex AT1000. This tube is likely NOS New-Old-Stock / never used, from a private tube collector who had this in home climate controlled home studio likely for the past 10-20 years. 

The readings for this exact tube #9 are as follows:

iP (Plate Current in mA )
iP1 -  1.1   | 83%
iP2 - 1.1   | 91%

GM (Transconductance in mA/V)
GM1 -  1.7   |  106% 
GM2 - 1.7    |  106%

**Check out the pictures to make sure you like it. Pictures #1-#3 are example from the batch of tubes we have for sale, you will receive one in similar condition, but pictures #4 & #5 are of actual tube for sale, including actual pictures of the measurements on our Amplitrex AT1000 for this exact tube** 

**We have multiple available, contact us if interested in purchasing more than one.**

**We have a large collection of tubes coming for sale (over 1000+), please check out our other listings** 

Free shipping in the USA with Fedex Priority 1-2-day.
Discounted international shipping flat rate with Fedex Priority estimated 2-5 day.