Mullard EL37 Power Vacuum Tube
Uber-rare Mullard EL37 vacuum tubes. These power tubes were made in England sometime in the 60's. In original packaging.
This is the only pair we have available. Price is per tube. You must order “2” tubes to order this pair.
Other Mullard tubes 
Other NOS TreasuresWarranty Information and Return Policy
Warranty Period: 3 monthsAll 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.