1000A - 9999Z
There are many great four digit tubes such as the 7025, 6550, 5654 and 7868. These tubes tend to be high-end versions of standard tubes or variants of standard tubes though there are plenty that just exist on their own.
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New Matched Pair (2) Electro-Harmonix 6550 Ceramic Vacuum Tubes
Electro-Harmonix
$138.30New Plate Current Matched Pair of Electro-Harmonix 6550 Ceramic Vacuum Tubes The 6550EH is one of the finest new production tubes for any amp using 6550 or KT88. The 6550EH offers the maximum power...$138.30 -
New Electro-Harmonix 6550 Vacuum Tube
Electro-Harmonix
$65.90New Plate Current Tested Electro-Harmonix 6550EH Vacuum Tube The 6550EH is one of the finest new production tubes for any amp using 6550 or KT88. The 6550EH offers the maximum power of any 6550 with...$65.90 -
New Tung-Sol 6550 Coke Bottle Reissue Vacuum Tube
Tung-Sol
$60.80New Plate Current Tested Tung-Sol 6550 (KT88) Coke Bottle Reissue Vacuum Tube This 6550 has everything its vintage counterpart featured down to the bottle shape and size, three getter construction,...$60.80 -
New Matched Octet (8) Tung-Sol KT120 Vacuum Tubes
Tung-Sol
$670.35New Plate Current Matched Octet of Tung-Sol KT120 Vacuum Tubes The KT120 is an incredible tube. Essentially a KT88 / 6550 on steroids, they are capable of pushing 150 watts per pair of clean power in...$670.35 -
New Matched Sextet (6) Tung-Sol KT120 Vacuum Tubes
Tung-Sol
$505.80New Plate Current Matched Sextet of Tung-Sol KT120 Vacuum Tubes The KT120 is an incredible tube. Essentially a KT88 / 6550 on steroids, they are capable of pushing 150 watts per pair of clean power...$505.80 -
New Matched Quad (4) Tung-Sol KT120 Vacuum Tubes
Tung-Sol
$338.00New Plate Current Matched Quad of Tung-Sol KT120 Vacuum Tubes The KT120 is an incredible tube. Essentially a KT88 / 6550 on steroids, they are capable of pushing 150 watts per pair of clean power in...$338.00 -
New Matched Pair (2) Tung-Sol KT120 Vacuum Tubes
Tung-Sol
$173.45New Plate Current Matched Pair of Tung-Sol KT120 Vacuum Tubes The KT120 is an incredible tube. Essentially a KT88 / 6550 on steroids, they are capable of pushing 150 watts per pair of clean power in...$173.45 -
New Tung-Sol KT120 Vacuum Tube
Tung-Sol
$80.45New Plate Current Tested Tung-Sol KT120 Vacuum Tube The KT120 is an incredible tube. Essentially a KT88 / 6550 on steroids, they are capable of pushing 150 watts per pair of clean power in a...$80.45 -
Genalex Gold Lion KT88 Vacuum Tube
Genalex
$62.99Hand-Tested Genalex Gold Lion KT88 Power Vacuum Tube This Gold Lion KT88 is as close to the original Genalex KT88s as you could possibly get. Made in Russia, they look identical to the originals down...$62.99 -
New Matched Octet (8) JJ 7591 Vacuum Tubes
JJ Electronic
$257.34New Plate Current Matched Octet of JJ 7591 Vacuum Tubes There is finally a reliable 7591 that rivals the originals. These JJs are an excellent choice for your old Scott amplifier as well as many...$257.34 -
New Matched Sextet (6) JJ 7591 Vacuum Tubes
JJ Electronic
$192.80New Plate Current Matched Sextet of JJ 7591 Vacuum Tubes There is finally a reliable 7591 that rivals the originals. These JJs are an excellent choice for your old Scott amplifier as well as many...$192.80 -
New Matched Quad (4) JJ 7591 Vacuum Tubes
JJ Electronic
$127.34New Plate Current Matched Quad of JJ 7591 Vacuum Tubes There is finally a reliable 7591 that rivals the originals. These JJs are an excellent choice for your old Scott amplifier as well as many...$127.34