7591A / 7868 from BOI AudioWorks
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7591A / 7868

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7591AEH Matched Pair

Electro-Harmonix $39.00
Reproduction of NOS 7591A found in many vintage gear such as HH Scott, Fisher, Eico, McIntosh and Ampeg. Measures 3 1/4 inches (85 mm) tall and 1.45 inches (37 mm) dia so please make sure you have clearance.

Fits and sounds superb in our McIntosh MC225. Price is for a matched pair.

7591AEH Matched Pair
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7591AEH Matched Quad

Electro-Harmonix $78.00
Price is for a matched quad of 7591AEH. These fit and sound excellent in McIntosh MC225. 7591AEH Matched Quad
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7591S Matched Pair

JJ/Tesla $36.00
Close in size to original 7591, this octal based tube is an excellent substitute for any NOS 7591. Measures 3.1 inches (79 mm) tall and 1.27 inches (33 mm) dia. It fits in HH Scott and other vintage amps, and works great in amps like Ampeg Mercury. 7591S Matched Pair
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7591S Matched Quad

JJ/Tesla $72.00
Price is for a matched quad of 7591S. 7591S Matched Quad
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7868EH Matched Pair

Electro-Harmonix $54.00
Great news for all Fisher owners! 7868EH is a faithful reproduction of NOS 7868 tubes and is a drop-in replacement. 7868EH is a very rugged tube that will take voltages far beyond the original rating, and has proven to provide excellent sonics in our own Fisher.

Price is for a matched pair.

7868EH  Matched Pair
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7868EH Matched Quad

Electro-Harmonix $108.00
Price is for a matched quad of 7868EH tubes. 7868EH  Matched Quad
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7591A / 7868 NOS OFFERINGS

The following is NOS and vintage tubes in this category. Due to the scarcity of some items, inventory will change constantly, so please check back often. Be sure to check out our NOS terms.

The photos of NOS tubes are representative samples and actual NOS tube shipped may vary. "Various" means we have multiple brands in stock.


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7868 NOS

Various $65.00
PENTODE, BEAM POWER AMPLIFIER
American made NOS
7868 NOS
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7868 USED

Various
PENTODE, BEAM POWER AMPLIFIER
American made USED
7868 USED
Out of stock


Stock and price may change without notice.
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