16 RCA 7586 NUVISTOR TUBES ALL HAVE STRONG TESTS FROM 80 TO 120 WHERE 68 IS THE MINIMUM All tubes test good with no shorts or leakage. Tested on a B&K 707 Dynamic mutual conductance tube tester. 1

 

Yamaha Orthodynamic YH-100 in very good shape. No cracks on the band. No broken parts. Pads are not cracking or splitting. Cable looks like new. Sound is great! These are the most realistic headphones

 

Dear friends, In this item I offer 5 pcs Gm-70 COPPER PLATE tubes Tubes a new, nos, from group packing Tubes a tested !!! All 100 % condition. Best Ebay offer copper plate Gm-70 Shipping worldwide 40$

 

Here are good used RCA Radiotron UX-281 tubes .These tubes have the black plates and the same construction inside. . I tested the tubes on my I-177B Mutual Conductance Tube tester and they both read a

 

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Please be advised that unpaid item cases are automated to open after 3 days without payment. Brand / Model: Mackie M-1400i Power Amplifier Condition: Unit plays sound, however output is staticy. Sold

 

This auction is for 2 pcs. of boxed and believed NOS Continental brand type 81 rectifier tube with big ST bulb- brand printed on bases. Both of these look and test excellent on Hickok type 532 tester-

 

2pcs Shuguang Natural Sound 12AX7-T Matched Pair(Gold pin,Test by AT1000, have actual test values ​​and curves) Description: 2pcs Shuguang Natural Sound 12AX7-T Matched PairTest by AT1000, have ac

 

Up for bidding Vintage "Scotch 3M" Metal 10.5" x 1/2" Reel To Reel Tape. Is in normal looking and working conditions,sealed!! It has kept in the storage for long time,and need a good cleaning. This au

 

Offered for Sale: EIMAC VT-127-A Vacuum Tube Condition: Used - Filament shows continuity. I have no other way to test it. Info: The EIMAC VT-127-A is a power triode used for transmitting with a plate