Other Electro-Harmonix tubes6550 Tube Types
Additional Information and Downloads
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Warranty Information and Return PolicyWarranty Period: 3 months
All our tubes are guaranteed for 3 months from the date of purchase. (Any exceptions will be noted on that tube's Warranty tab)
If you receive a tube that does not perform to the manufacturer's specifications, please do the following:
- contact us to get a return authorization
- return it via regular mail within 90 days from when we shipped it, and we will provide an exchange or refund of the full purchase price of the tube.
Returns not related to warranty or defect will be considered at our discretion, and are subject to a 15% restocking fee.
We can not accept returns that don't have an authorization, are past 3 month, or are returned improperly.
These guidelines may be updated without notice.
Ratings & Reviews
Used these for years in different applications; never a failure other than normal wear after a few years.The sound may be a bit darker than some but plenty loud.
There's a reason Audio Research voices some of their amplifiers on these tubes. Consistent supply, stout & electrically predictable, these are a excellent choice for hifi applications. Recommended.