7591 - 7868 - 6GM5
The 7591 is a great tube with a unique sound and character. The 6GM5 and 7868 are essentially the same tube but they do have different pin-outs so they would require an adapter to be ran in place of the 7591.
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New Matched Octet (8) Tung-Sol 7591A Reissue Vacuum Tubes
Tung-Sol
$398.87New Plate Current Matched Octet of Tung-Sol 7591A Reissue Vacuum Tubes Built around the same specs as the original Tung-Sol 7591A, this is the perfect choice for those looking to replace tubes in their Scotts, Harman Kardons, Fischers, or any amp that...NP086-8$398.87 -
New Matched Sextet (6) Tung-Sol 7591A Reissue Vacuum Tube
Tung-Sol
$301.15New Plate Current Matched Sextet of Tung-Sol 7591A Reissue Vacuum Tubes Built around the same specs as the original Tung-Sol 7591A, this is the perfect choice for those looking to replace tubes in their Scotts, Harman Kardons, Fischers, or any amp that...NP086-6$301.15 -
New Matched Quad (4) Tung-Sol 7591A Reissue Vacuum Tubes
Tung-Sol
$199.70New Plate Current Matched Quad of Tung-Sol 7591A Reissue Vacuum Tubes Built around the same specs as the original Tung-Sol 7591A, this is the perfect choice for those looking to replace tubes in their Scotts, Harman Kardons, Fischers, or any amp that...NP086-4$199.70 -
New Matched Pair (2) Tung-Sol 7591A Reissue Vacuum Tubes
Tung-Sol
$101.13New Plate Current Matched Pair of Tung-Sol 7591A Reissue Vacuum Tubes Built around the same specs as the original Tung-Sol 7591A, this is the perfect choice for those looking to replace tubes in their Scotts, Harman Kardons, Fischers, or any amp that...NP086-2$101.13 -
New Tung-Sol 7591A Reissue Vacuum Tube
Tung-Sol
$48.43New Plate Current Tested Tung-Sol 7591A Reissue Vacuum Tube Built around the same specs as the original Tung-Sol 7591A, this is the perfect choice for those looking to replace tubes in their Scotts, Harman Kardons, Fischers, or any amp that calls...NP086-1$48.43 -
New Matched Quad (4) Electro-Harmonix 7868 Vacuum Tubes
Electro-Harmonix
$208.51New Plate Current Matched Quad of Electro-Harmonix 7868 Vacuum Tubes Thanks to Electro-Harmonix we have this wonderful new production 7868. This is the one and only new production 7868 currently being made. With a warm, rich tone and a great price point...NP063-4$208.51 -
New Matched Pair (2) Electro-Harmonix 7868 Vacuum Tubes
Electro-Harmonix
$105.54New Plate Current Matched Pair of Electro-Harmonix 7868 Vacuum Tubes Thanks to Electro-Harmonix we have this wonderful new production 7868. This is the one and only new production 7868 currently being made. With a warm, rich tone and a great price...NP063-2$105.54 -
New Electro-Harmonix 7868 Vacuum Tube
Electro-Harmonix
$50.50New Plate Current Tested Electro-Harmonix 7868 Vacuum Tube Thanks to Electro-Harmonix we have this wonderful new production 7868. This is the one and only new production 7868 currently being made. With a warm, rich tone and a great price point they are a...NP063-1$50.50