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5691


2 Matched Pairs RCA 5691 Tubes aka ECC85 6SL7 Amplitrex Tested No Reserve

$102.50


Pair of RCA (GE label) 5691 NOS NIB Special Red 1960 Vacuum Tubes

$200.00


RCA-JAN CRC 5691 Tubes

$119.95


TWO JAN CRC 5691 RCA RED BASE TUBES N.O.S.TESTED

$104.41


ONE RCA JAN 5691 RED BASE Vacuum Tube HICKOK 539C TESTED

$49.99


1956 RCA Rec Based 5691 with Black Plates Test Strong

$48.00


CLOSE PAIR EXCELLENT NOS RCA 5691 RED BASE DUAL TRIODE TUBE 6SL7 SUB

$159.00


NOS NIB Quad RCA CRC 5691 Red Base Audio Tubes USA

$425.00


Lot of 4) 5691 RCA CBS Preamp Tubes 2 NOS & 2 Used Tested Strong

$129.95


Strong NOS 1961 RCA Red Base Black Plate Double Top D Getter 5691 Tube

$74.99


1 x 5691 GE Red Base Twin Triode! Matched Sections! 539C Tested!

$9.99


EXTRA LONG LIFE MATCHED PAIR 2 SYLVANIA JAN 6SL7 GT WGT 5691 Vtg Tube NOS NIB

$149.00


Vintage RCA black plate 5691 Vacuum Tube Tested Guaranteed 6SL7 Sylvania 3 mica

$58.88


1 x 5691(6SL7) RCA Tube *Strong & Balanced*NOS*NIB

$78.99


Rare Nos Pair Tung-sol Tiny Black plate 6sl7w / 6su7 6188 Vintage tube's 3 Mica

$206.25


Vintage Sylvania black plate 5691 Vacuum Tube Tested Guaranteed 6SL7

$58.88


4 PC'S Matched Quad CHS 6SL7GT VT-229 5691 Sylvania Tall Bottle Vintage Tube's

$168.75


RCA 5691 Vacuum Tube Bogey + Red Base

$78.99


Vintage Sylvania black plate 5691 Vacuum Tube Tested Guaranteed 6SL7 3 mica

$48.88


5 PIECE'S NOS Tungsol Tiny Plate Tall Tube's 6SL7gt vt-229 5691 6SL7 Vintage new

$199.12


5 NOS NIB Sylavania 6SL7W -GT Vintage tube's Tiny Black Plate's Brown Base 5691

$337.50


7 Perfect Nos Tube's 6SL7GT VT-229 5691 G.E. Silver plate 1964 Vintage Matched

$296.25


A JAN/RCA CRC-5691/6SL7 MILITARY VERSION RED BASE TRIPLE MICA BLACK PLATE NOS

$70.00


1 x 5691(6SL7) RCA Tube *Weak*

$31.99


Qty 3, Red Base RCA 5691, 6SL7, Tested High on Amplitrex AT1000

$189.00


2pcs matched pair Shuguang WE6SL7 plus Vacuum Tube replace 6SL7 6N9P 6H9C 5691

$175.00


Matched Pair Shuguang WE6SL7 PLUS Valve Vacuum Tube Replace 6SL7 6N9P 6H9C 5691

$165.43


5691 RCA CRC USED AUDIO TUBE CHROME TOP RED BASE LOW NOISE 6SL7 33S29

$59.99


6SL7 GT VT-229 5691 TUBES IN ORIGINAL BOX NOS US NU Matched pairs Smoked Glass

$94.03


2 X SWEDISH EARLY MATCHED CODES STANDARD RADIO 33S29B 5691 6SL7 AUDIO TUBE

$999.99


6SL7 GT 6N9P 5691 TUBES IN ORIGINAL BOX NOS Chrome Top US SYLVANIA Matched pairs

$113.64


USED OCTAL 7-PIN CERAMIC TUBE SOCKETS SHIELD 6X5 6C4 6AT6 5691 9005 AUDIO RADIO

$29.00


Matched pairs 6SL7 GT VT-229 5691 6N9P 6H9C TUBES IN BOX US TUNG-SOL Brown Base

$328.37


3 US CBS 6SL7 GT VT-229 5691 6N9P 6H9C TUBES IN ORIGINAL BOX NOS Smoked Glass

$116.42


JAN CRC 5691 6SL7 6H9C 6N9P TUBES US RCA Matching Pair Test value very strong

$220.91


6SL7 GT 5691 6N9P TUBES IN ORIGINAL BOX NOS US RCA Matched pairs Square Getter

$67.17


4pcs matched quad Shuguang WE6SL7 Plus Vacuum Tube replace 6SL7 6N9P 6H9C 5691

$348.00


NOS RCA 5691 JAN red base tube matched pair

$299.00