THREE GOOD MATCHED TUNG-SOL JAN 5998 AUDIO TUBES SE AMP WHITE LABEL

THREE GOOD MATCHED TUNG-SOL JAN 5998 AUDIO TUBES SE AMP WHITE LABEL (image 1/2)
THREE GOOD MATCHED TUNG-SOL JAN 5998 AUDIO TUBES SE AMP WHITE LABEL (image 2/2)
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FOR SALE: THREE GOOD MATCHED TUNG-SOL JAN 5998 AUDIO TUBES These exquisite audio tubes were manufactured by Tung-Sol Electronics USA. All have very close balanced sections . They have black plate structures and they have coated grid support posts. They are all constructed the same way. Tube one has the date code 3225739-3 on the base and 5641 on the glass. Tube two has the date code 805 on the base and 5--- on the glass. Tube three has the date code 62-16 on the base. I have fully tested them on a Hickok 752 A tester. The red marks on them are my grading marks and will remove with alcohol. The Testing results are as follows: 1: A=17,000um, B=17,500um 2: A=16,000um, B=16,500um. 3: A=16,500um, B=16,500um. 18,000 to 20,000 is the reading for a new tube All leakage tests are negative. I have run the tubes in an amplifier at 225volts and full dissipation. They are stable and quit I have used these tubes in many of my own designs and they work excellently in push pull and single ended amplifiers. DO Not miss out on this rare auction. These tubes are very hard to find new and matched . Please see my feedback. The tubes are guaranteed for 30 days after receipt. All marks must be on the tube for exchange. Shipping not included User Damage is not covered. PLEASE ASK QUESTIONS THANK YOU FOR LOOKING
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