On Sale At cr0tech.com!

5691


2 RCA 5691 RED BASE TUBES 6SL7GT

$23.00


2 vintage RCA red base 5691 tubes -tested-- 6sl7

$140.00


Tung-Sol Round Plate 5691 (6SL7GT) Vacuum Tube - NOS - AT1000 Tested

$10.38


A PAIR OF JAN/RCA 5691 MILITARY VERSION RED BASE BLACKPLATE

$125.00


Pair of RCA 5691 NOS NIB Special Red 1963 Vacuum Tubes

$200.00


Pair Old 6SL7GT NIB Tube Sylvania NOS WW2 1943 US Navy For 5691 ECC35

$135.00


QUAD RCA 5691 = 6SL7GT Special Red Base TRIPLE MICA BLACK PLATE

$174.95


02 - two - vintage RCA red base 5691 tube - 6sl7 - matched pair - boxed

$80.00


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

$99.99


VINTAGE RCA 5691 RED BASE MILITARY SPEC 6SL7GT TUBE TESTED Hickok VT-3U

$75.00


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

$58.88


RCA 5691 red base tube 6SL7GT NOS NIB NEW ( GE branded ) Hickok tested balanced

$99.99


5691 SUPER 6SL7 GE (RCA) RED BASE PAIR - AUDIO REFERENCE STANDARDS

$129.99


RCA-GE 5691 RED BASE SUPER 6SL7 MATCHED PAIR - EXCELLENT VALUE

$99.99


Vintage Sylvania black plate 5691 Vacuum Tube Tested Guaranteed 6SL7

$58.88


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

$149.00


STANDARD ELECTRIC 33S29 MEGA RARE 5691 6SU7 TUBE PREAMP

$574.47


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

$296.25


5 Vintage Sylvania VT-229 / 6SL7GT / 6SL7 / ECC35 1950's Chrome Glass Tube

$262.49


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

$206.25


Single vintage RCA 5691 6SL7GT Triple mica Red Base Black plates Full Tstd

$45.00


Single vintage RCA JAN 5691 6SL7GT Triple mica Red Base Grey Full Tstd

$35.00


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

$113.64


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

$101.54


6SL7 GT VT-229 5691 TUBES HAVE ONE ORIGINAL BOX US SYLVANIA Matched pairs

$89.23


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

$173.85


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

$328.37


Matched pairs US GE 6SL7GT VT229 5691 D Getter TUBES IN ORIGINAL BOX

$36.38


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


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

$79.14


3 US PHILCO 6SL7 GT VT-229 5691 6N9P 6H9C TUBES IN ORIGINAL BOX NOS TESTED GOOD

$84.18


JAN CKR 6SL7 GT VT-229 5691 6N9P 6H9C TUBES D Getter US KEN-RAD Matched pairs

$86.57


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

$74.68


1 Matched Pair Of 5691 Audio/Amplifier Vacuum Tubes 1 RCA 1 Philips ECG

$120.95


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

$41.79


GE Silver Plate 6SL7GT /(subs VT229 / 5691) Tube TV-7 Test Good

$14.94


GE 6SL7 GT (sub 5691 ) Vacuum Tube Very Strong & Balanced Results TV-7/u Tested!

$22.94