Shuguang 6L6GC Tubes – Matched Pair
Shuguang 6L6GC. New Shuguang 6L6GC Matched Pair of tubes. Matched Pair. Matched for plate current and transconductance. If you are in the USA then tariffs need to be added to the invoice.
AMPEREX ECC83 12AX7A TUBE MILITARY SPEC MADE IN USA – NIB
AMPEREX ECC83 12AX7A TUBE MILITARY SPEC MADE IN USA NEW IN BOX COMES AS PICTURED
GE 6SN7 GTB 1962 WHITE LABEL CHROME SIDED HALO TALL BLACK BASE MATCHING SET
Where 50 ( μ) is Good these tubes peg at 73/77 for Emission. Where 2,600 (ma/V ) is Good these tubes peg at 3,000/3,100 for Mutual Conductance. Mutual Conductance: The 750 is a dynamic mutual conductance tester.
WESTINGHOUSE 6SN7 GTB TUBE 1963 TOUGH DOGS 2 HOLE GRAY PLATES MATCHING SET NIB
🔥🔥 RARE 1963 WESTINGHOUSE 6SN7GTB “TOUGH DOG” PERFECT MATCHED PAIR 🔥🔥. 🐾 LEGENDARY 2-HOLE PLATES • U.S.A. MADE • 📦 ORIGINAL WESTINGHOUSE BOXES • 🎵 AUDIOPHILE FAVORITE. 🏭 Westinghouse Electric Corporation.
NOS Pair GE 6SN7 GTB CHROME SIDED
Pair of Closely Matched GE 6SN7GTB Twin Triodes. Tested on Daniel Nelson Calibrated TV7/U. Tube 1: 102/107 Tube 2: 102/117 minimum is 50.
RCA 6SN7 GTB TUBE 1962 TOUGH DOGS 2 HOLE BLACK LADDER PLATES MATCHING SET
Production Year: October 1962 December 1962. TOUGH DOGS. 2 HOLE PLATES. MATCHED SET. Closely Matched Codes: LM LV. I mark every tube in order to avoid tube rolling! EXCL USIVE HIGH FIDELTY TUBE. BEST TUBES ON THE MARKET. NO LEAKS. NO SHORTS.
RCA 6SN7 GTB TUBE 1950s TOUGH DOGS 2 HOLE BLACK LADDER PLATES MATCHING SET
Production Year: 1950s. TOUGH DOGS. 2 HOLE PLATES. MATCHED SET. Closely Matched Codes: KC L#. I mark every tube in order to avoid tube rolling! EXCL USIVE HIGH FIDELTY TUBE. BEST TUBES ON THE MARKET. NO LEAKS. NO SHORTS.
GE 6SN7 GTB 1960s CHROME SIDED HALO TALL BLACK BASE PERFECT MATCHED SET NIB
Production Year: 1960s. (Original GE Boxes). Mutual Conductance: The 750 is a dynamic mutual conductance tester. This is a more sophisticated test than a basic emission only test, which only checks the cathode’s ability to emit electrons (super heated).
