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5691


Strong RCA Red Base 5691 Black Plate Tube

$49.99


NOS RCA RED BASE 5690 - SUPER RECTIFIER TUBE - COMPANION TUBE FOR 5692 OR 5691

$45.00


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

$200.00


RCA 5691 6SL7GT VT-229 BLACK PLATE 3 MICA MATCH PAIR VINTAGE 1958-59

$169.95


6188 Sylvania Tube 6SL7 5691 Test New, Well Matched 2.8/2.9ma

$17.95


GE Triple Mica Red Base 5691 6SL7 Vacuum Tube 106/95% Gm!!

$50.00


RCA Red Base JAN CRC 5691 Vacuum Tube Amplitrex Tested Strong 93/93% Gm

$100.00


Westinghouse RCA 5691 Vacuum Tube NIB Red Base Premium 6SL7 NIB

$73.99


1 GE 5691 / 6SL7 Vacuum Tube 10,000 Hours Red Base Tested New On Calibrated TV 7

$69.95


7 Piece's Sylvania RARE TALL Bottle 6SL7GT 6SL7 5691 Vintage Tube's EXCELLENT

$157.50


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

$149.00


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

$183.99


Rare* 4 Nos & Nib Tall Bottle 6113 / 6SL7GT Vintage Tube's Hytron Tung-sol 5691

$325.50


6188 Matched Pair Sylvania GTE Preamp Tube Audio 6SL7 5691 100% NEW Strong

$108.00


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

$311.85


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

$273.73


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

$155.93


4 NOS NIB GE 5691 RED BASE 10,000 HOUR VACUUM TUBES 6SL7 VARIANT

$362.35


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

$29.00


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

$59.99


2PCS Shuguang WE6SL7 Vacuum Tube Matched Pair Replace 6SL7 6N9P 6H9C 5691

$219.99


2PCS Shuguang WE6SL7 PLUS Vacuum Tube Matched Pair Replace 6SL7 6N9P 6H9C 5691

$236.99


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

$94.03


A pairs 6SL7 GT VT-229 5691 TUBES IN ORIGINAL BOX NOS US SYLVANIA Long plates

$88.06


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

$175.99


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

$999.99


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

$175.00


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

$220.91


Set Of Five (5) Tube 6SL7GT GE New In Sleeve From 1960 For 5691 ECC35 Position

$100.00


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

$328.37


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

$113.64


5691 tube 6SL7

$90.00


NOS RCA 5691 JAN red base tube matched pair

$299.00


A pairs 6SL7 GT 5691 6N9P 6H9C TUBES IN ORIGINAL BOX NOS US SYLVANIA Chrome Top

$87.76


A pairs 6SL7 GT VT-229 5691 6N9P TUBES IN ORIGINAL BOX NOS US SYLVANIA

$44.31


A pairs 6SL7 GT 5691 6N9P 6H9C TUBES IN ORIGINAL BOX NOS US WESTINGHOUSE Smoked

$343.29


1pc USA TUNG SOL 6C8G 6SL7 6H9C 5691 ECC35 6N9P Electron Tube Vacuum HIFI Amp

$168.26


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

$348.00


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

$116.42


6SL7 GT VT-229 5691 6N9P 6H9C TUBES IN BOX Square Getter US RCA Matched pairs

$74.68


6SL7 GT VT-229 5691 6N9P 6H9C TUBES IN ORIGINAL BOX NOS US RCA Matched pairs

$101.54


A pairs 6SL7 GT VT-229 5691 6N9P TUBES IN ORIGINAL BOX NOS US RCA Smoked Glass

$89.56