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Bk 747


Sylvania 6MJ6 Vacuum Tubes Tested B&K 747 Qty 4

$100.00


6LB6 Vacuum Tubes Quantity 7 Various Makes Tested B&K 747 Guaranteed

$50.00


Ultimate B&K 747 / 747B Tube Tester Chart & Manual 99pp new remastered

$11.99


6JS6C Vacuum Tubes (4) Various Makes Tested B&K 747 Guaranteed

$50.00


<>7868-Excellent Quad (4) RCAN 7868 Audio Tubes – B&K 747B Tested NR<>

$125.00


1 QTY # 1L6 TRANS OCEANIC RADIO VACUUM TUBE STRONG TESTING NOS B

$35.99


Pair 6J5 RCA USA Metal Audio Triode Vacuum Tubes Read 89/92 B&K747

$12.00


GE 8950 Vacuum Tubes (2) B&K 747 Tested 72% and 80% Medium!

$155.00


6LX6 Vacuum Tubes Various Makes Tested B&K 747 Guaranteed

$35.00


Two 6SJ6A Vacuum Tubes Tested and Guaranteed B&K 747 110% 78%

$25.00


Matched Pair 6CG7 GE NOS NIB Vacuum Tubes B&K747B tested 122%

$49.88


Raytheon Sylvania 6JB6 Vacuum Tubes Tested B&K 747 Qty 4

$40.00


RCA 6ME6 Vacuum Tube Tested B&K 747 Some Mica Issues

$15.00


GE Raytheon RCA 6CB5A Vacuum Tubes All Tested Medium on B&K 747

$45.00


RCA 6KD6 Ham Radio SWEEPS Vacuum Tube B&K 747 TESTED 106% #3.6976

$24.95


USED Marshall ECC83 12AX7A Twin Triode B&K747 gm 106/105

$18.00


RCA CRC U.S. NAVY 6AC7 VACUUM TUBE DATE MATCH PAIR 1943 TESTED CALIBRATED BK747B

$9.84


31JS6C (5) 31JS6A 23JS6A Vacuum Tubes Various Makes Tested B&K 747 Guaranteed

$35.00


LOT OF 50 USED PULL VACUUM TUBES ALL TESTED GOOD WITH BK 747 TESTER SEE LIST

$150.00


SYLVANIA 6BZ7 6BQ7A 6BS8 VACUUM TUBES MATCH PAIR BP AMPLIFIER B

$14.88


Amperex 8233 Electronic Tube (TESTED STRONG W/ B&K 747B)

$49.99


USED Pair 6V6GT Beam Power Output Tubes Magnavox Japan B&K747 gm 85/87

$22.00


DUMONT 6BZ7 6BQ7A 6BS8 VACUUM TUBES MATCH PAIR BP AMPLIFIER B&K 747B TEST

$14.88


NOS SYLVANIA # 83 Rectifier VACUUM TUBE B&K 747 Hickok Tube TESTERS #C.6673

$42.95


SYLVANIA MATCHED PAIR 50L6GT NOS NIB VACUUM TUBES B&K 747 TESTED 118,119%

$15.88


Comforatable Flex 24dB Noise Isolating Earphone for Yshon LS-398 LS-598 LS-747

$105.00


RCXA 6EV7 Vacuum Tubes Qty 2 Measured Medium on B&K 747 READ! 1960's

$20.00


USED Westinghouse by Sylvania USA 5687WA Twin Triode B&K 747 gm 110/111

$10.00


GE Set of Seven 6AX4GTB Vacuum Tubes B&K 747 Measured All at 80%!!

$24.00


RCA and GE 6883 Ham Vacuum Tubes (5) Tested Strong on my B&K 747

$40.00


Sylvania 6LX6 Vacuum Tube Measuring 80% on My B&K 747

$15.00


USED Sylvania USA 6L6WGB Audio Power Pentode B&K747

$15.00


USED Sylvania 31JS6C Beam Power Tube Zenith Logo B&K747 Reads 118

$10.00


RCXA 6EV7 Vacuum Tubes Qty 4 Measured Strong on B&K 747 Tube Tester READ! 1960's

$37.00


NIB NOS GE 6K11 6Q11 GE General Electric (TESTED W/ B&K 747B)

$24.99


GE 6BQ7A 6BZ7 6BS8 VACUUM TUBES MATCHED PAIR BP AMPLIFIER B&K 747B TESTED

$14.88


RCXA 6EV7 Vacuum Tubes Qty 4 Measured Strong on B&K 747 Tube Tester READ!

$37.00