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6550 Tube


Tung-Sol 6550 Vacuum Tube 10950/11000

$49.00


♫ 1970 Tung Sol 6550 Tube Pair Leslie Branded 3227039-3 Marshall McIntosh Ampeg

$129.95


Ruby Tube 6550A-STR Matched Pair Russian Vacuum Tubes Used & Tested

$49.99


JJ 6550 Power Tube Matched Quad

$164.99


JJ 6550 Power Tube Matched Sextet

$259.99


♫ 1974 Tung Sol 6550 Tube Pair - Leslie Branded 3227424 Marshall McIntosh Ampeg

$119.95


Aims Vt-100 6550 Vintage Tube Amplifier Head Serviced & Ready

$870.00


Electro-Harmonix 6550 Matched Power Tubes Medium Sextet

$219.99


JJ 6550 Power Tube Matched Duet

$84.99


Groove Tubes Gold GT-6550-R Matched Power Tube Medium (4-7 GT Rating) Quartet

$249.99


♫ 1963 Tung Sol 6550 Tubes Quad - Dates 3226332-3 Marshall McIntosh Ampeg Leslie

$395.00


FENDER Rumble Bass PRIMO Tube Set 6550

$254.98


Penta Labs 6550 Vacuum Tube open box

$29.95


MESA engineering 6550 Vacuum Tube open box

$29.95


6550-TK Black Diamond Series Vacuum Tube Matched Pair

$171.00


Yellow Jacket Tube Converter For 6L6 / EL34 / 6V6 / 6550, Duet

$121.95


Tube Amp Doctor 6550A Tubes Quartet - Matched Quad

$225.35


♫ 1960 Tung Sol 6550 Tubes Quad - Dates 3226020-3 Marshall McIntosh Ampeg Leslie

$495.00


Svetlana Wing C SED 6550 Matched Pair Russian Vacuum Tubes Used

$89.99


Yellow Jacket Triode Tube Converter For 6L6 / EL34 / 6V6 / 6550, Quartet

$239.95


Svetlana Wing C SED 6550 Single Russian Vacuum Tube Used & Tested

$39.99


Tube Amp Doctor TAD 6550A-STR Matched Pair Russian Vacuum Tubes Used

$59.99


Wathen CryoTone Tubes 6550-WC (KT88SC-WC) Power Tube

$186.00


Sovtek Matched 6550WE Power Tube Duet

$68.99


YELLOW JACKET YJC TUBE CONVERTERS (Adapter)6L6,6V6,EL34 AND 6550 TO EL84

$50.00


New Plate Current Matched Sextet 6x Mullard Reissue KT88 / 6550 Vacuum Tubes

$242.86


YELLOW JACKET YJShort TUBE CONVERTERS (Adapter)6L6,EL34,6V6 AND 6550 TO EL84

$55.00


Electro-Harmonix 6550 Matched Power Tubes Medium Duet

$79.99


(16) WHITE TUBE BOXES * 6550

$14.95


Svetlana 6550C Matched Pair Russian Vacuum Tubes Used & Tested

$49.99


Brand New Matched Quad (4) Genalex Gold Lion Reissue KT88 / 6550 Vacuum Tubes

$199.06


Brand New Matched Octet (8) Genalex Gold Lion Reissue KT88 / 6550 Vacuum Tubes

$389.09


LESLIE 257 Primo Tube Set 6550 (Thomas Organ Version of 122)

$79.98


YELLOW JACKET YJS TUBE CONVERTERS (Adapter) 6L6,6V6,EL34 AND 6550 TO EL84

$50.00