5879 - 6267 - EF86
The 5879 and EF86 are compatible and interchangeable though they are both slightly different tubes. We recommend buying the tube that your amplifier calls for. The EF86 and 6267 are the same tube.
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On Sale
New Matched Quad (4) Electro-Harmonix EF86 Vacuum Tubes
Electro-Harmonix
Now: $119.41Was: $132.68New Gain Matched Quad of Electro-Harmonix EF86 (6267) Vacuum Tubes There is finally a new production EF86 and a great audio pentode for many different applications. The vintage EF86s, while having great tone, are notoriously plagued with noise...NP064-4Now: $119.41Was: $132.68 -
On Sale
New Matched Pair (2) Electro-Harmonix EF86 Vacuum Tubes
Electro-Harmonix
Now: $61.17Was: $67.97New Gain Matched Pair of Electro-Harmonix EF86 (6267) Vacuum Tubes There is finally a new production EF86 and a great audio pentode for many different applications. The vintage EF86s, while having great tone, are notoriously plagued with noise...NP064-2Now: $61.17Was: $67.97 -
On Sale
New Electro-Harmonix EF86 Vacuum Tube
Electro-Harmonix
Now: $29.81Was: $33.12New Gain Tested Electro-Harmonix EF86 (6267) Vacuum Tube There is finally a new production EF86 and a great audio pentode for many different applications. The vintage EF86s, while having great tone, are notoriously plagued with noise. Electro-Harmonix...NP064-1Now: $29.81Was: $33.12