On Sale At abuturab.org!

6550 Tung Sol


New Plate Current Matched Quad (4) Tung-Sol Reissue 6550 KT88 Coke Bottle Tubes

$141.95


2 NOS NIB Matched Tung-Sol 6550 Black Plate Audio Tubes USA 1960

$440.00


MATCHED PAIR NOS Tung-Sol 6550 Tubes - USA Made Strong Pair $1NR

$84.69


1 PAIR Tung Sol 6550 Tubes Triple Halo Getter Vintage USA Tested Strong 1970's

$145.00


2 NOS NIB Matched Sylvania Tung-Sol 6550 Audio Tubes USA

$325.00


early vintage '50s pair Tung-Sol 6550 Power Tubes smooth plates

$280.00


Tung Sol 6550 KT88 Gray Plate Sylvania Branded Vacuum Tube

$79.95


Matched Quads (4 tubes) Tung Sol 6550 Reissue amp tubes, BRAND NEW

$134.99


Tung-Sol (GE, RCA) 6550 Original Issue Tubes, Matched Pair - Tested, NOS, 1964

$400.00


Tung Sol 6550 / KT88 Tubes Matched Pair Hickok Tested

$200.00


RCA (Tung Sol) 6550 Tube - USA Made $1NR

$15.15


NEW NESSTONE 6550 ST **QUAD** Tung Sol Style Power Tubes-Matched-Powerful Tone!

$79.99


2 NOS NIB Matched RCA Tung-Sol 6550 Audio Tubes USA 1974

$320.00


Tung-Sol Set of Three 1963 6550 Vacuum Tubes 92% 93% 88% Solid Gray Plates

$280.00


6550 TUNG-SOL AS GE VACUUM TUBES 3 HOLE COKE BOTTLE 1971 MATCHED PAIR JKPMN WOW

$290.00


Factory Matched Octet Tung-Sol Tungsol 6550 KT88 - Audio Research Tube Amplifier

$320.00


Single NOS Tung-Sol 3 Hole Gray Plate 6550. Date code 1967.

$155.00


Tung-Sol 6550 Made in USA Vintage Power Amplifier Tube

$129.99


Quad Vintgage Tung-Sol JAN 6550A, 1967 & 68, OOO, 3 Hole Grey Plate, Tested

$599.00


Factory Matched QUAD Tung-Sol Tungsol 6550 KT88 - For Tube Amplifiers

$155.00


Qty 3, Tung-Sol JAN 6550A, 1967, OOO, 3 Hole Grey Plate, Low Hours

$399.00


Tung-Sol 6550 ST NOS-U.S. Made

$349.95


Tung sol 6550, NOS 2 PAIRS

$600.00


Factory Matched OCTET Tung-Sol Tungsol 6550 KT88 - For Tube Amplifiers

$320.00


1 x 6550 Tungsol(USA) Tube *Solid Black Plate*

$128.99


Tung Sol type Vintage GE 6550 Power Tube

$92.00


Quad Set NOS NIB Tungsol JAN 6550 Audio Output Tubes Tested Closely Matched

$1,000.00


Tung Sol 6550 KT88 Gray Plate RCA Branded Vacuum Tube

$99.95


NOS Perfect 6550 RCA Tube MAde by Tung-sol Vintage 1973 Kt88 3 Mica 3 getter New

$136.50


Vintage 1975 pair Tung-Sol for RCA 6550 Power Tubes tested 3-hole plates

$220.00


Vacuum Tube - 6550, Tung-Sol Reissue, Single or Matched: Apex Matched Sextet

$218.70


Sleeve of five NOS 6550 tubes Tung-Sol branded as Sylvania ,genuine USA perfect.

$872.13


Quad of Tung-Sol 6550 New Production Power Vacuum Tube

$139.92


Vacuum Tube - 6550, Tung-Sol Reissue, Single or Matched: Apex Matched Quad

$145.80


Octet of Tung-Sol 6550 New Production Power Vacuum Tube

$279.84


Vintage Tung-Sol 6550, 3-hole with original boxes, USA, Amplitrex tested

$210.00


Tung-Sol 6550 Duet Platinum Matched

$106.90


6550 Tung-sol Vintage made in U.S.A Amplitrex tested #623005

$350.00


VINTAGE TUNG-SOL "LESLIE" KT88 6550 ELECTRON TUBE - TEST EXCELLENT

$172.95