Fosi Audio Vacuum Tubes 7-Pin

Marsoni

M251S

$36.29

Get it in 3 business days with 1 day shipping. Friday, May 29

Fosi Audio Vacuum Tubes 7-PinEach package contains a pair of fully tested and matched vacuum tubes (2 PCS). 5654W vacuum tubes for T20, P1, P2, Box X2, Box X4. Substitute for 7 pin 6AK5 6AK5W 6Zh1P 6J1 6J1P tubes. It can also directly replace WE 403A 403B EF95 and ordinary 5654. 6J1, 6CB6A, 63N, 6J5, 65N tubes are compatible with audio devices such as BOX X2, BOX X4, P3, GR40, MC331, and T20X MKII. Note: Replacing the wrong type of tube may damage your amplifier. If you are not

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got it for nursing school at UT Tyler. Love it as it's a great little resource to haul around everywhere which has a significant amount of great information which is needed for my classes and clinicals. Highly recommend it but due note that the 8th edition contains the same information merely a few pages are numbered differently and that older edition was nearly $30 less in price. Just an FYI if looking to save a few bucks...

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Reviewed in the United States on February 2, 2026

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Jennifer

Pawtucket, US

★★★★★ 5

Brand New

Format: Paperback

Purchased brand new. Arrived in perfect condition

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Reviewed in the United States on December 11, 2023

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