Ivan The Terrible Isabel De Madariaga T19 I am playing them in

I am playing them in one my Radio Craftsmen RC2 mono blocks as I write and they sound super even though they test poorly and have that oxide isse

The links themselves also lack reference numbers and

new in box GE 12AV6 tubes tested to spec on our Paul Hart-calibrated TV7/U

Transconductance measured 42/31 for Tube One and 44/31 for Tube Two where minimum (65%) is 30/15

Ivan The Terrible Isabel De Madariaga T19 I am playing them inThis book is in excellent condition. The spine is in fine shape with no loose pages and the dust jacket in good shape with only a Nick towards the top of the spine side. MOST FORMS OF SHIPPING EXCEPT MEDIA MAIL ARE AUTOMATICALLY INSURED UP TO $100. ETSY PURCHASE PROTECTION COVERS ITEMS UP TO $250 IN VALUE. IF AN ITEM IS MARKED "DELIVERED," AND YOU HAVE NOT ACTUALLY RECEIVED IT, THE FIRST STEP IS FOR YOU TO CONSULT YOUR MAIL CARRIER TO GET THE EXACT