Sylvania 6SN7GTB. Recorded results: 3900 / 3700. You will receive the exact tube and marked storage bag pictured.
Item Tag: 6SN7GTB
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⭐USA⭐Test NOS Matched Pair RCA 6SN7GTB 6SN7 BLACK PLATE Tube TV-7 LOT #1A+++
6SN7GTB 6SN7. ( LOT #1A+++ ). Tested NOS NIB! TUBE’s TEST RESULT’s Big Base Tube. Bottom Hanging D Getter! BLACK PLATES! ( USA ) .
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NOS Tung-Sol 6SN7GTB Vacuum Tube USA Short Bottle w/ Box 3200/3300
The paper note identifies this tube as a Tung-Sol short-bottle 6SN7GTB and marks it NOS. It also records test readings of 3200 / 3300, with 1600 noted as the reference value. ● NOS Tung-Sol 6SN7GTB short-bottle vacuum tube.
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GE 6SN7GTB Vacuum Tube Vtg Tested Good in Worn RCA Box
Model 257 or 151 tester on 6/25/26. Worn, mismatched, RCA 6SN7GTB box.
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6SN7GT Tung-Sol radio audio amplifier vacuum tubes 3 valves tested 6SN7GTB 6SN7
Tubes have grey ribbed plates, clear top, bottom side rectangular getter. tubes tests Price is for all tubes pictured.
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MATCHED PAIR SYLVANIA Chrome Dome 6SN7GTB Vintage Vacuum Tubes TESTED H.9151
Model 6SN7GTB. Condition Tested. Manufacture Date BFZ = February 1962, BGY = February 1963 — Emporium, PA plant. ALL TUBE AUDIO. Minimum Good Value: 50/50.
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Pair Westinghouse 6SN7GTB Tubes Gray Plates O Getters Mid 1960s Tests Strong
Pair Westinghouse 6SN7GTB Vacuum Tubes | Tall Bottle | Gray Plates | O Getters | Mid 1960s Production.
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Pair GE 6SN7GTB Coin Base Vacuum Tubes – Tested NOS/NIB – Matched Pair
Gray Plates, Side “O” Getter. Minimum Gm 1700. A new 6SN7 tests2600 – 2700 per section. Date Codes IR.
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RCA 6SN7GTB Staggered Black Plate Tubes PLATINUM MATCHED on AT1000 – TESTS NOS
RCA 6SN7GTB – TESTS NOS. These RCA 6SN7GTB have a rich harmonic structure with excellent imaging and a sweet non fatiguing sound performance. They are especially known for their outstanding imaging and low level resolution.